1 // dear imgui, v1.49 WIP
2 // (drawing and font code)
3
4 // Contains implementation for
5 // - ImDrawList
6 // - ImDrawData
7 // - ImFontAtlas
8 // - ImFont
9 // - Default font data
10
11 #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
12 #define _CRT_SECURE_NO_WARNINGS
13 #endif
14
15 #include "imgui.h"
16 #define IMGUI_DEFINE_MATH_OPERATORS
17 #define IMGUI_DEFINE_PLACEMENT_NEW
18 #include "imgui_internal.h"
19
20 #include <stdio.h> // vsnprintf, sscanf, printf
21 #if !defined(alloca) && !defined(__FreeBSD__) && !defined(__DragonFly__)
22 #ifdef _WIN32
23 #include <malloc.h> // alloca
24 #else
25 #include <alloca.h> // alloca
26 #endif
27 #endif
28
29 #ifdef _MSC_VER
30 #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
31 #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
32 #define snprintf _snprintf
33 #endif
34
35 #ifdef __clang__
36 #pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
37 #pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
38 #pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference it.
39 #pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness //
40 //#pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier //
41 #endif
42 #ifdef __GNUC__
43 #pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
44 #endif
45
46 //-------------------------------------------------------------------------
47 // STB libraries implementation
48 //-------------------------------------------------------------------------
49
50 //#define IMGUI_STB_NAMESPACE ImGuiStb
51 //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
52 //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
53
54 #ifdef IMGUI_STB_NAMESPACE
55 namespace IMGUI_STB_NAMESPACE
56 {
57 #endif
58
59 #ifdef _MSC_VER
60 #pragma warning (push)
61 #pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
62 #endif
63
64 #ifdef __clang__
65 #pragma clang diagnostic push
66 #pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
67 #pragma clang diagnostic ignored "-Wunused-function"
68 #pragma clang diagnostic ignored "-Wmissing-prototypes"
69 #endif
70
71 #define STBRP_ASSERT(x) IM_ASSERT(x)
72 #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
73 #define STBRP_STATIC
74 #define STB_RECT_PACK_IMPLEMENTATION
75 #endif
76 #include "stb_rect_pack.h"
77
78 #define STBTT_malloc(x,u) ((void)(u), ImGui::MemAlloc(x))
79 #define STBTT_free(x,u) ((void)(u), ImGui::MemFree(x))
80 #define STBTT_assert(x) IM_ASSERT(x)
81 #ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
82 #define STBTT_STATIC
83 #define STB_TRUETYPE_IMPLEMENTATION
84 #else
85 #define STBTT_DEF extern
86 #endif
87 #include "stb_truetype.h"
88
89 #ifdef __clang__
90 #pragma clang diagnostic pop
91 #endif
92
93 #ifdef _MSC_VER
94 #pragma warning (pop)
95 #endif
96
97 #ifdef IMGUI_STB_NAMESPACE
98 } // namespace ImGuiStb
99 using namespace IMGUI_STB_NAMESPACE;
100 #endif
101
102 //-----------------------------------------------------------------------------
103 // ImDrawList
104 //-----------------------------------------------------------------------------
105
106 static const ImVec4 GNullClipRect(-8192.0f, -8192.0f, +8192.0f, +8192.0f); // Large values that are easy to encode in a few bits+shift
107
Clear()108 void ImDrawList::Clear()
109 {
110 CmdBuffer.resize(0);
111 IdxBuffer.resize(0);
112 VtxBuffer.resize(0);
113 _VtxCurrentIdx = 0;
114 _VtxWritePtr = NULL;
115 _IdxWritePtr = NULL;
116 _ClipRectStack.resize(0);
117 _TextureIdStack.resize(0);
118 _Path.resize(0);
119 _ChannelsCurrent = 0;
120 _ChannelsCount = 1;
121 // NB: Do not clear channels so our allocations are re-used after the first frame.
122 }
123
ClearFreeMemory()124 void ImDrawList::ClearFreeMemory()
125 {
126 CmdBuffer.clear();
127 IdxBuffer.clear();
128 VtxBuffer.clear();
129 _VtxCurrentIdx = 0;
130 _VtxWritePtr = NULL;
131 _IdxWritePtr = NULL;
132 _ClipRectStack.clear();
133 _TextureIdStack.clear();
134 _Path.clear();
135 _ChannelsCurrent = 0;
136 _ChannelsCount = 1;
137 for (int i = 0; i < _Channels.Size; i++)
138 {
139 if (i == 0) memset(&_Channels[0], 0, sizeof(_Channels[0])); // channel 0 is a copy of CmdBuffer/IdxBuffer, don't destruct again
140 _Channels[i].CmdBuffer.clear();
141 _Channels[i].IdxBuffer.clear();
142 }
143 _Channels.clear();
144 }
145
146 // Use macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug mode
147 #define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : GNullClipRect)
148 #define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : NULL)
149
AddDrawCmd()150 void ImDrawList::AddDrawCmd()
151 {
152 ImDrawCmd draw_cmd;
153 draw_cmd.ClipRect = GetCurrentClipRect();
154 draw_cmd.TextureId = GetCurrentTextureId();
155
156 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
157 CmdBuffer.push_back(draw_cmd);
158 }
159
AddCallback(ImDrawCallback callback,void * callback_data)160 void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
161 {
162 ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
163 if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL)
164 {
165 AddDrawCmd();
166 current_cmd = &CmdBuffer.back();
167 }
168 current_cmd->UserCallback = callback;
169 current_cmd->UserCallbackData = callback_data;
170
171 AddDrawCmd(); // Force a new command after us (see comment below)
172 }
173
174 // Our scheme may appears a bit unusual, basically we want the most-common calls AddLine AddRect etc. to not have to perform any check so we always have a command ready in the stack.
175 // The cost of figuring out if a new command has to be added or if we can merge is paid in those Update** functions only.
UpdateClipRect()176 void ImDrawList::UpdateClipRect()
177 {
178 // If current command is used with different settings we need to add a new command
179 const ImVec4 curr_clip_rect = GetCurrentClipRect();
180 ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL;
181 if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL)
182 {
183 AddDrawCmd();
184 return;
185 }
186
187 // Try to merge with previous command if it matches, else use current command
188 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
189 if (prev_cmd && memcmp(&prev_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) == 0 && prev_cmd->TextureId == GetCurrentTextureId() && prev_cmd->UserCallback == NULL)
190 CmdBuffer.pop_back();
191 else
192 curr_cmd->ClipRect = curr_clip_rect;
193 }
194
UpdateTextureID()195 void ImDrawList::UpdateTextureID()
196 {
197 // If current command is used with different settings we need to add a new command
198 const ImTextureID curr_texture_id = GetCurrentTextureId();
199 ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
200 if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL)
201 {
202 AddDrawCmd();
203 return;
204 }
205
206 // Try to merge with previous command if it matches, else use current command
207 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
208 if (prev_cmd && prev_cmd->TextureId == curr_texture_id && memcmp(&prev_cmd->ClipRect, &GetCurrentClipRect(), sizeof(ImVec4)) == 0 && prev_cmd->UserCallback == NULL)
209 CmdBuffer.pop_back();
210 else
211 curr_cmd->TextureId = curr_texture_id;
212 }
213
214 #undef GetCurrentClipRect
215 #undef GetCurrentTextureId
216
217 // Scissoring. The values in clip_rect are x1, y1, x2, y2. Only apply to rendering! Prefer using higher-level ImGui::PushClipRect() to affect logic (hit-testing and widget culling)
PushClipRect(const ImVec4 & clip_rect)218 void ImDrawList::PushClipRect(const ImVec4& clip_rect)
219 {
220 _ClipRectStack.push_back(clip_rect);
221 UpdateClipRect();
222 }
223
PushClipRectFullScreen()224 void ImDrawList::PushClipRectFullScreen()
225 {
226 PushClipRect(GNullClipRect);
227
228 // FIXME-OPT: This would be more correct but we're not supposed to access ImGuiState from here?
229 //ImGuiState& g = *GImGui;
230 //PushClipRect(GetVisibleRect());
231 }
232
PopClipRect()233 void ImDrawList::PopClipRect()
234 {
235 IM_ASSERT(_ClipRectStack.Size > 0);
236 _ClipRectStack.pop_back();
237 UpdateClipRect();
238 }
239
PushTextureID(const ImTextureID & texture_id)240 void ImDrawList::PushTextureID(const ImTextureID& texture_id)
241 {
242 _TextureIdStack.push_back(texture_id);
243 UpdateTextureID();
244 }
245
PopTextureID()246 void ImDrawList::PopTextureID()
247 {
248 IM_ASSERT(_TextureIdStack.Size > 0);
249 _TextureIdStack.pop_back();
250 UpdateTextureID();
251 }
252
ChannelsSplit(int channels_count)253 void ImDrawList::ChannelsSplit(int channels_count)
254 {
255 IM_ASSERT(_ChannelsCurrent == 0 && _ChannelsCount == 1);
256 int old_channels_count = _Channels.Size;
257 if (old_channels_count < channels_count)
258 _Channels.resize(channels_count);
259 _ChannelsCount = channels_count;
260
261 // _Channels[] (24 bytes each) hold storage that we'll swap with this->_CmdBuffer/_IdxBuffer
262 // The content of _Channels[0] at this point doesn't matter. We clear it to make state tidy in a debugger but we don't strictly need to.
263 // When we switch to the next channel, we'll copy _CmdBuffer/_IdxBuffer into _Channels[0] and then _Channels[1] into _CmdBuffer/_IdxBuffer
264 memset(&_Channels[0], 0, sizeof(ImDrawChannel));
265 for (int i = 1; i < channels_count; i++)
266 {
267 if (i >= old_channels_count)
268 {
269 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
270 }
271 else
272 {
273 _Channels[i].CmdBuffer.resize(0);
274 _Channels[i].IdxBuffer.resize(0);
275 }
276 if (_Channels[i].CmdBuffer.Size == 0)
277 {
278 ImDrawCmd draw_cmd;
279 draw_cmd.ClipRect = _ClipRectStack.back();
280 draw_cmd.TextureId = _TextureIdStack.back();
281 _Channels[i].CmdBuffer.push_back(draw_cmd);
282 }
283 }
284 }
285
ChannelsMerge()286 void ImDrawList::ChannelsMerge()
287 {
288 // Note that we never use or rely on channels.Size because it is merely a buffer that we never shrink back to 0 to keep all sub-buffers ready for use.
289 if (_ChannelsCount <= 1)
290 return;
291
292 ChannelsSetCurrent(0);
293 if (CmdBuffer.Size && CmdBuffer.back().ElemCount == 0)
294 CmdBuffer.pop_back();
295
296 int new_cmd_buffer_count = 0, new_idx_buffer_count = 0;
297 for (int i = 1; i < _ChannelsCount; i++)
298 {
299 ImDrawChannel& ch = _Channels[i];
300 if (ch.CmdBuffer.Size && ch.CmdBuffer.back().ElemCount == 0)
301 ch.CmdBuffer.pop_back();
302 new_cmd_buffer_count += ch.CmdBuffer.Size;
303 new_idx_buffer_count += ch.IdxBuffer.Size;
304 }
305 CmdBuffer.resize(CmdBuffer.Size + new_cmd_buffer_count);
306 IdxBuffer.resize(IdxBuffer.Size + new_idx_buffer_count);
307
308 ImDrawCmd* cmd_write = CmdBuffer.Data + CmdBuffer.Size - new_cmd_buffer_count;
309 _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size - new_idx_buffer_count;
310 for (int i = 1; i < _ChannelsCount; i++)
311 {
312 ImDrawChannel& ch = _Channels[i];
313 if (int sz = ch.CmdBuffer.Size) { memcpy(cmd_write, ch.CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; }
314 if (int sz = ch.IdxBuffer.Size) { memcpy(_IdxWritePtr, ch.IdxBuffer.Data, sz * sizeof(ImDrawIdx)); _IdxWritePtr += sz; }
315 }
316 AddDrawCmd();
317 _ChannelsCount = 1;
318 }
319
ChannelsSetCurrent(int idx)320 void ImDrawList::ChannelsSetCurrent(int idx)
321 {
322 IM_ASSERT(idx < _ChannelsCount);
323 if (_ChannelsCurrent == idx) return;
324 memcpy(&_Channels.Data[_ChannelsCurrent].CmdBuffer, &CmdBuffer, sizeof(CmdBuffer)); // copy 12 bytes, four times
325 memcpy(&_Channels.Data[_ChannelsCurrent].IdxBuffer, &IdxBuffer, sizeof(IdxBuffer));
326 _ChannelsCurrent = idx;
327 memcpy(&CmdBuffer, &_Channels.Data[_ChannelsCurrent].CmdBuffer, sizeof(CmdBuffer));
328 memcpy(&IdxBuffer, &_Channels.Data[_ChannelsCurrent].IdxBuffer, sizeof(IdxBuffer));
329 _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size;
330 }
331
332 // NB: this can be called with negative count for removing primitives (as long as the result does not underflow)
PrimReserve(int idx_count,int vtx_count)333 void ImDrawList::PrimReserve(int idx_count, int vtx_count)
334 {
335 ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size-1];
336 draw_cmd.ElemCount += idx_count;
337
338 int vtx_buffer_size = VtxBuffer.Size;
339 VtxBuffer.resize(vtx_buffer_size + vtx_count);
340 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_size;
341
342 int idx_buffer_size = IdxBuffer.Size;
343 IdxBuffer.resize(idx_buffer_size + idx_count);
344 _IdxWritePtr = IdxBuffer.Data + idx_buffer_size;
345 }
346
347 // Fully unrolled with inline call to keep our debug builds decently fast.
PrimRect(const ImVec2 & a,const ImVec2 & c,ImU32 col)348 void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
349 {
350 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(GImGui->FontTexUvWhitePixel);
351 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
352 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
353 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
354 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
355 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
356 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
357 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
358 _VtxWritePtr += 4;
359 _VtxCurrentIdx += 4;
360 _IdxWritePtr += 6;
361 }
362
PrimRectUV(const ImVec2 & a,const ImVec2 & c,const ImVec2 & uv_a,const ImVec2 & uv_c,ImU32 col)363 void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
364 {
365 ImVec2 b(c.x, a.y), d(a.x, c.y), uv_b(uv_c.x, uv_a.y), uv_d(uv_a.x, uv_c.y);
366 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
367 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
368 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
369 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
370 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
371 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
372 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
373 _VtxWritePtr += 4;
374 _VtxCurrentIdx += 4;
375 _IdxWritePtr += 6;
376 }
377
PrimQuadUV(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,const ImVec2 & d,const ImVec2 & uv_a,const ImVec2 & uv_b,const ImVec2 & uv_c,const ImVec2 & uv_d,ImU32 col)378 void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col)
379 {
380 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
381 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
382 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
383 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
384 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
385 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
386 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
387 _VtxWritePtr += 4;
388 _VtxCurrentIdx += 4;
389 _IdxWritePtr += 6;
390 }
391
392 // TODO: Thickness anti-aliased lines cap are missing their AA fringe.
AddPolyline(const ImVec2 * points,const int points_count,ImU32 col,bool closed,float thickness,bool anti_aliased)393 void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness, bool anti_aliased)
394 {
395 if (points_count < 2)
396 return;
397
398 const ImVec2 uv = GImGui->FontTexUvWhitePixel;
399 anti_aliased &= GImGui->Style.AntiAliasedLines;
400 //if (ImGui::GetIO().KeyCtrl) anti_aliased = false; // Debug
401
402 int count = points_count;
403 if (!closed)
404 count = points_count-1;
405
406 const bool thick_line = thickness > 1.0f;
407 if (anti_aliased)
408 {
409 // Anti-aliased stroke
410 const float AA_SIZE = 1.0f;
411 const ImU32 col_trans = col & 0x00ffffff;
412
413 const int idx_count = thick_line ? count*18 : count*12;
414 const int vtx_count = thick_line ? points_count*4 : points_count*3;
415 PrimReserve(idx_count, vtx_count);
416
417 // Temporary buffer
418 ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2));
419 ImVec2* temp_points = temp_normals + points_count;
420
421 for (int i1 = 0; i1 < count; i1++)
422 {
423 const int i2 = (i1+1) == points_count ? 0 : i1+1;
424 ImVec2 diff = points[i2] - points[i1];
425 diff *= ImInvLength(diff, 1.0f);
426 temp_normals[i1].x = diff.y;
427 temp_normals[i1].y = -diff.x;
428 }
429 if (!closed)
430 temp_normals[points_count-1] = temp_normals[points_count-2];
431
432 if (!thick_line)
433 {
434 if (!closed)
435 {
436 temp_points[0] = points[0] + temp_normals[0] * AA_SIZE;
437 temp_points[1] = points[0] - temp_normals[0] * AA_SIZE;
438 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE;
439 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE;
440 }
441
442 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
443 unsigned int idx1 = _VtxCurrentIdx;
444 for (int i1 = 0; i1 < count; i1++)
445 {
446 const int i2 = (i1+1) == points_count ? 0 : i1+1;
447 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3;
448
449 // Average normals
450 ImVec2 dm = (temp_normals[i1] + temp_normals[i2]) * 0.5f;
451 float dmr2 = dm.x*dm.x + dm.y*dm.y;
452 if (dmr2 > 0.000001f)
453 {
454 float scale = 1.0f / dmr2;
455 if (scale > 100.0f) scale = 100.0f;
456 dm *= scale;
457 }
458 dm *= AA_SIZE;
459 temp_points[i2*2+0] = points[i2] + dm;
460 temp_points[i2*2+1] = points[i2] - dm;
461
462 // Add indexes
463 _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
464 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0);
465 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
466 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1);
467 _IdxWritePtr += 12;
468
469 idx1 = idx2;
470 }
471
472 // Add vertexes
473 for (int i = 0; i < points_count; i++)
474 {
475 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
476 _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans;
477 _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans;
478 _VtxWritePtr += 3;
479 }
480 }
481 else
482 {
483 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
484 if (!closed)
485 {
486 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
487 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
488 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
489 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
490 temp_points[(points_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
491 temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness);
492 temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness);
493 temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
494 }
495
496 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
497 unsigned int idx1 = _VtxCurrentIdx;
498 for (int i1 = 0; i1 < count; i1++)
499 {
500 const int i2 = (i1+1) == points_count ? 0 : i1+1;
501 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4;
502
503 // Average normals
504 ImVec2 dm = (temp_normals[i1] + temp_normals[i2]) * 0.5f;
505 float dmr2 = dm.x*dm.x + dm.y*dm.y;
506 if (dmr2 > 0.000001f)
507 {
508 float scale = 1.0f / dmr2;
509 if (scale > 100.0f) scale = 100.0f;
510 dm *= scale;
511 }
512 ImVec2 dm_out = dm * (half_inner_thickness + AA_SIZE);
513 ImVec2 dm_in = dm * half_inner_thickness;
514 temp_points[i2*4+0] = points[i2] + dm_out;
515 temp_points[i2*4+1] = points[i2] + dm_in;
516 temp_points[i2*4+2] = points[i2] - dm_in;
517 temp_points[i2*4+3] = points[i2] - dm_out;
518
519 // Add indexes
520 _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
521 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+1);
522 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
523 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10] = (ImDrawIdx)(idx2+0); _IdxWritePtr[11] = (ImDrawIdx)(idx2+1);
524 _IdxWritePtr[12] = (ImDrawIdx)(idx2+2); _IdxWritePtr[13] = (ImDrawIdx)(idx1+2); _IdxWritePtr[14] = (ImDrawIdx)(idx1+3);
525 _IdxWritePtr[15] = (ImDrawIdx)(idx1+3); _IdxWritePtr[16] = (ImDrawIdx)(idx2+3); _IdxWritePtr[17] = (ImDrawIdx)(idx2+2);
526 _IdxWritePtr += 18;
527
528 idx1 = idx2;
529 }
530
531 // Add vertexes
532 for (int i = 0; i < points_count; i++)
533 {
534 _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans;
535 _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
536 _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
537 _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col_trans;
538 _VtxWritePtr += 4;
539 }
540 }
541 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
542 }
543 else
544 {
545 // Non Anti-aliased Stroke
546 const int idx_count = count*6;
547 const int vtx_count = count*4; // FIXME-OPT: Not sharing edges
548 PrimReserve(idx_count, vtx_count);
549
550 for (int i1 = 0; i1 < count; i1++)
551 {
552 const int i2 = (i1+1) == points_count ? 0 : i1+1;
553 const ImVec2& p1 = points[i1];
554 const ImVec2& p2 = points[i2];
555 ImVec2 diff = p2 - p1;
556 diff *= ImInvLength(diff, 1.0f);
557
558 const float dx = diff.x * (thickness * 0.5f);
559 const float dy = diff.y * (thickness * 0.5f);
560 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
561 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
562 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
563 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
564 _VtxWritePtr += 4;
565
566 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+2);
567 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx+2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx+3);
568 _IdxWritePtr += 6;
569 _VtxCurrentIdx += 4;
570 }
571 }
572 }
573
AddConvexPolyFilled(const ImVec2 * points,const int points_count,ImU32 col,bool anti_aliased)574 void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col, bool anti_aliased)
575 {
576 const ImVec2 uv = GImGui->FontTexUvWhitePixel;
577 anti_aliased &= GImGui->Style.AntiAliasedShapes;
578 //if (ImGui::GetIO().KeyCtrl) anti_aliased = false; // Debug
579
580 if (anti_aliased)
581 {
582 // Anti-aliased Fill
583 const float AA_SIZE = 1.0f;
584 const ImU32 col_trans = col & 0x00ffffff;
585 const int idx_count = (points_count-2)*3 + points_count*6;
586 const int vtx_count = (points_count*2);
587 PrimReserve(idx_count, vtx_count);
588
589 // Add indexes for fill
590 unsigned int vtx_inner_idx = _VtxCurrentIdx;
591 unsigned int vtx_outer_idx = _VtxCurrentIdx+1;
592 for (int i = 2; i < points_count; i++)
593 {
594 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1));
595 _IdxWritePtr += 3;
596 }
597
598 // Compute normals
599 ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2));
600 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
601 {
602 const ImVec2& p0 = points[i0];
603 const ImVec2& p1 = points[i1];
604 ImVec2 diff = p1 - p0;
605 diff *= ImInvLength(diff, 1.0f);
606 temp_normals[i0].x = diff.y;
607 temp_normals[i0].y = -diff.x;
608 }
609
610 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
611 {
612 // Average normals
613 const ImVec2& n0 = temp_normals[i0];
614 const ImVec2& n1 = temp_normals[i1];
615 ImVec2 dm = (n0 + n1) * 0.5f;
616 float dmr2 = dm.x*dm.x + dm.y*dm.y;
617 if (dmr2 > 0.000001f)
618 {
619 float scale = 1.0f / dmr2;
620 if (scale > 100.0f) scale = 100.0f;
621 dm *= scale;
622 }
623 dm *= AA_SIZE * 0.5f;
624
625 // Add vertices
626 _VtxWritePtr[0].pos = (points[i1] - dm); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner
627 _VtxWritePtr[1].pos = (points[i1] + dm); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer
628 _VtxWritePtr += 2;
629
630 // Add indexes for fringes
631 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+(i0<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx+(i0<<1));
632 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx+(i1<<1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx+(i1<<1));
633 _IdxWritePtr += 6;
634 }
635 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
636 }
637 else
638 {
639 // Non Anti-aliased Fill
640 const int idx_count = (points_count-2)*3;
641 const int vtx_count = points_count;
642 PrimReserve(idx_count, vtx_count);
643 for (int i = 0; i < vtx_count; i++)
644 {
645 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
646 _VtxWritePtr++;
647 }
648 for (int i = 2; i < points_count; i++)
649 {
650 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+i-1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+i);
651 _IdxWritePtr += 3;
652 }
653 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
654 }
655 }
656
PathArcToFast(const ImVec2 & centre,float radius,int amin,int amax)657 void ImDrawList::PathArcToFast(const ImVec2& centre, float radius, int amin, int amax)
658 {
659 static ImVec2 circle_vtx[12];
660 static bool circle_vtx_builds = false;
661 const int circle_vtx_count = IM_ARRAYSIZE(circle_vtx);
662 if (!circle_vtx_builds)
663 {
664 for (int i = 0; i < circle_vtx_count; i++)
665 {
666 const float a = ((float)i / (float)circle_vtx_count) * 2*IM_PI;
667 circle_vtx[i].x = cosf(a);
668 circle_vtx[i].y = sinf(a);
669 }
670 circle_vtx_builds = true;
671 }
672
673 if (amin > amax) return;
674 if (radius == 0.0f)
675 {
676 _Path.push_back(centre);
677 }
678 else
679 {
680 _Path.reserve(_Path.Size + (amax - amin + 1));
681 for (int a = amin; a <= amax; a++)
682 {
683 const ImVec2& c = circle_vtx[a % circle_vtx_count];
684 _Path.push_back(ImVec2(centre.x + c.x * radius, centre.y + c.y * radius));
685 }
686 }
687 }
688
PathArcTo(const ImVec2 & centre,float radius,float amin,float amax,int num_segments)689 void ImDrawList::PathArcTo(const ImVec2& centre, float radius, float amin, float amax, int num_segments)
690 {
691 if (radius == 0.0f)
692 _Path.push_back(centre);
693 _Path.reserve(_Path.Size + (num_segments + 1));
694 for (int i = 0; i <= num_segments; i++)
695 {
696 const float a = amin + ((float)i / (float)num_segments) * (amax - amin);
697 _Path.push_back(ImVec2(centre.x + cosf(a) * radius, centre.y + sinf(a) * radius));
698 }
699 }
700
PathBezierToCasteljau(ImVector<ImVec2> * path,float x1,float y1,float x2,float y2,float x3,float y3,float x4,float y4,float tess_tol,int level)701 static void PathBezierToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level)
702 {
703 float dx = x4 - x1;
704 float dy = y4 - y1;
705 float d2 = ((x2 - x4) * dy - (y2 - y4) * dx);
706 float d3 = ((x3 - x4) * dy - (y3 - y4) * dx);
707 d2 = (d2 >= 0) ? d2 : -d2;
708 d3 = (d3 >= 0) ? d3 : -d3;
709 if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy))
710 {
711 path->push_back(ImVec2(x4, y4));
712 }
713 else if (level < 10)
714 {
715 float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f;
716 float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f;
717 float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f;
718 float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f;
719 float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f;
720 float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f;
721
722 PathBezierToCasteljau(path, x1,y1, x12,y12, x123,y123, x1234,y1234, tess_tol, level+1);
723 PathBezierToCasteljau(path, x1234,y1234, x234,y234, x34,y34, x4,y4, tess_tol, level+1);
724 }
725 }
726
PathBezierCurveTo(const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,int num_segments)727 void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
728 {
729 ImVec2 p1 = _Path.back();
730 if (num_segments == 0)
731 {
732 // Auto-tessellated
733 PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, GImGui->Style.CurveTessellationTol, 0);
734 }
735 else
736 {
737 float t_step = 1.0f / (float)num_segments;
738 for (int i_step = 1; i_step <= num_segments; i_step++)
739 {
740 float t = t_step * i_step;
741 float u = 1.0f - t;
742 float w1 = u*u*u;
743 float w2 = 3*u*u*t;
744 float w3 = 3*u*t*t;
745 float w4 = t*t*t;
746 _Path.push_back(ImVec2(w1*p1.x + w2*p2.x + w3*p3.x + w4*p4.x, w1*p1.y + w2*p2.y + w3*p3.y + w4*p4.y));
747 }
748 }
749 }
750
PathRect(const ImVec2 & a,const ImVec2 & b,float rounding,int rounding_corners)751 void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, int rounding_corners)
752 {
753 float r = rounding;
754 r = ImMin(r, fabsf(b.x-a.x) * ( ((rounding_corners&(1|2))==(1|2)) || ((rounding_corners&(4|8))==(4|8)) ? 0.5f : 1.0f ) - 1.0f);
755 r = ImMin(r, fabsf(b.y-a.y) * ( ((rounding_corners&(1|8))==(1|8)) || ((rounding_corners&(2|4))==(2|4)) ? 0.5f : 1.0f ) - 1.0f);
756
757 if (r <= 0.0f || rounding_corners == 0)
758 {
759 PathLineTo(a);
760 PathLineTo(ImVec2(b.x,a.y));
761 PathLineTo(b);
762 PathLineTo(ImVec2(a.x,b.y));
763 }
764 else
765 {
766 const float r0 = (rounding_corners & 1) ? r : 0.0f;
767 const float r1 = (rounding_corners & 2) ? r : 0.0f;
768 const float r2 = (rounding_corners & 4) ? r : 0.0f;
769 const float r3 = (rounding_corners & 8) ? r : 0.0f;
770 PathArcToFast(ImVec2(a.x+r0,a.y+r0), r0, 6, 9);
771 PathArcToFast(ImVec2(b.x-r1,a.y+r1), r1, 9, 12);
772 PathArcToFast(ImVec2(b.x-r2,b.y-r2), r2, 0, 3);
773 PathArcToFast(ImVec2(a.x+r3,b.y-r3), r3, 3, 6);
774 }
775 }
776
AddLine(const ImVec2 & a,const ImVec2 & b,ImU32 col,float thickness)777 void ImDrawList::AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thickness)
778 {
779 if ((col >> 24) == 0)
780 return;
781 PathLineTo(a + ImVec2(0.5f,0.5f));
782 PathLineTo(b + ImVec2(0.5f,0.5f));
783 PathStroke(col, false, thickness);
784 }
785
786 // a: upper-left, b: lower-right. we don't render 1 px sized rectangles properly.
AddRect(const ImVec2 & a,const ImVec2 & b,ImU32 col,float rounding,int rounding_corners,float thickness)787 void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners, float thickness)
788 {
789 if ((col >> 24) == 0)
790 return;
791 PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.5f,0.5f), rounding, rounding_corners);
792 PathStroke(col, true, thickness);
793 }
794
AddRectFilled(const ImVec2 & a,const ImVec2 & b,ImU32 col,float rounding,int rounding_corners)795 void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners)
796 {
797 if ((col >> 24) == 0)
798 return;
799 if (rounding > 0.0f)
800 {
801 PathRect(a, b, rounding, rounding_corners);
802 PathFill(col);
803 }
804 else
805 {
806 PrimReserve(6, 4);
807 PrimRect(a, b, col);
808 }
809 }
810
AddRectFilledMultiColor(const ImVec2 & a,const ImVec2 & c,ImU32 col_upr_left,ImU32 col_upr_right,ImU32 col_bot_right,ImU32 col_bot_left)811 void ImDrawList::AddRectFilledMultiColor(const ImVec2& a, const ImVec2& c, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left)
812 {
813 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) >> 24) == 0)
814 return;
815
816 const ImVec2 uv = GImGui->FontTexUvWhitePixel;
817 PrimReserve(6, 4);
818 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2));
819 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3));
820 PrimWriteVtx(a, uv, col_upr_left);
821 PrimWriteVtx(ImVec2(c.x, a.y), uv, col_upr_right);
822 PrimWriteVtx(c, uv, col_bot_right);
823 PrimWriteVtx(ImVec2(a.x, c.y), uv, col_bot_left);
824 }
825
AddTriangle(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,ImU32 col,float thickness)826 void ImDrawList::AddTriangle(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col, float thickness)
827 {
828 if ((col >> 24) == 0)
829 return;
830
831 PathLineTo(a);
832 PathLineTo(b);
833 PathLineTo(c);
834 PathStroke(col, true, thickness);
835 }
836
AddTriangleFilled(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,ImU32 col)837 void ImDrawList::AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col)
838 {
839 if ((col >> 24) == 0)
840 return;
841
842 PathLineTo(a);
843 PathLineTo(b);
844 PathLineTo(c);
845 PathFill(col);
846 }
847
AddCircle(const ImVec2 & centre,float radius,ImU32 col,int num_segments,float thickness)848 void ImDrawList::AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments, float thickness)
849 {
850 if ((col >> 24) == 0)
851 return;
852
853 const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
854 PathArcTo(centre, radius-0.5f, 0.0f, a_max, num_segments);
855 PathStroke(col, true, thickness);
856 }
857
AddCircleFilled(const ImVec2 & centre,float radius,ImU32 col,int num_segments)858 void ImDrawList::AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments)
859 {
860 if ((col >> 24) == 0)
861 return;
862
863 const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
864 PathArcTo(centre, radius, 0.0f, a_max, num_segments);
865 PathFill(col);
866 }
867
AddBezierCurve(const ImVec2 & pos0,const ImVec2 & cp0,const ImVec2 & cp1,const ImVec2 & pos1,ImU32 col,float thickness,int num_segments)868 void ImDrawList::AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments)
869 {
870 if ((col >> 24) == 0)
871 return;
872
873 PathLineTo(pos0);
874 PathBezierCurveTo(cp0, cp1, pos1, num_segments);
875 PathStroke(col, false, thickness);
876 }
877
AddText(const ImFont * font,float font_size,const ImVec2 & pos,ImU32 col,const char * text_begin,const char * text_end,float wrap_width,const ImVec4 * cpu_fine_clip_rect)878 void ImDrawList::AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect)
879 {
880 if ((col >> 24) == 0)
881 return;
882
883 if (text_end == NULL)
884 text_end = text_begin + strlen(text_begin);
885 if (text_begin == text_end)
886 return;
887
888 // Note: This is one of the few instance of breaking the encapsulation of ImDrawList, as we pull this from ImGui state, but it is just SO useful.
889 // Might just move Font/FontSize to ImDrawList?
890 if (font == NULL)
891 font = GImGui->Font;
892 if (font_size == 0.0f)
893 font_size = GImGui->FontSize;
894
895 IM_ASSERT(font->ContainerAtlas->TexID == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
896
897 // reserve vertices for worse case (over-reserving is useful and easily amortized)
898 const int char_count = (int)(text_end - text_begin);
899 const int vtx_count_max = char_count * 4;
900 const int idx_count_max = char_count * 6;
901 const int vtx_begin = VtxBuffer.Size;
902 const int idx_begin = IdxBuffer.Size;
903 PrimReserve(idx_count_max, vtx_count_max);
904
905 ImVec4 clip_rect = _ClipRectStack.back();
906 if (cpu_fine_clip_rect)
907 {
908 clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x);
909 clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y);
910 clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z);
911 clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w);
912 }
913 font->RenderText(font_size, pos, col, clip_rect, text_begin, text_end, this, wrap_width, cpu_fine_clip_rect != NULL);
914
915 // give back unused vertices
916 // FIXME-OPT: clean this up
917 VtxBuffer.resize((int)(_VtxWritePtr - VtxBuffer.Data));
918 IdxBuffer.resize((int)(_IdxWritePtr - IdxBuffer.Data));
919 int vtx_unused = vtx_count_max - (VtxBuffer.Size - vtx_begin);
920 int idx_unused = idx_count_max - (IdxBuffer.Size - idx_begin);
921 CmdBuffer.back().ElemCount -= idx_unused;
922 _VtxWritePtr -= vtx_unused;
923 _IdxWritePtr -= idx_unused;
924 _VtxCurrentIdx = (unsigned int)VtxBuffer.Size;
925 }
926
AddText(const ImVec2 & pos,ImU32 col,const char * text_begin,const char * text_end)927 void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
928 {
929 AddText(GImGui->Font, GImGui->FontSize, pos, col, text_begin, text_end);
930 }
931
AddImage(ImTextureID user_texture_id,const ImVec2 & a,const ImVec2 & b,const ImVec2 & uv0,const ImVec2 & uv1,ImU32 col)932 void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv0, const ImVec2& uv1, ImU32 col)
933 {
934 if ((col >> 24) == 0)
935 return;
936
937 // FIXME-OPT: This is wasting draw calls.
938 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
939 if (push_texture_id)
940 PushTextureID(user_texture_id);
941
942 PrimReserve(6, 4);
943 PrimRectUV(a, b, uv0, uv1, col);
944
945 if (push_texture_id)
946 PopTextureID();
947 }
948
949 //-----------------------------------------------------------------------------
950 // ImDrawData
951 //-----------------------------------------------------------------------------
952
953 // For backward compatibility: convert all buffers from indexed to de-indexed, in case you cannot render indexed. Note: this is slow and most likely a waste of resources. Always prefer indexed rendering!
DeIndexAllBuffers()954 void ImDrawData::DeIndexAllBuffers()
955 {
956 ImVector<ImDrawVert> new_vtx_buffer;
957 TotalVtxCount = TotalIdxCount = 0;
958 for (int i = 0; i < CmdListsCount; i++)
959 {
960 ImDrawList* cmd_list = CmdLists[i];
961 if (cmd_list->IdxBuffer.empty())
962 continue;
963 new_vtx_buffer.resize(cmd_list->IdxBuffer.Size);
964 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
965 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
966 cmd_list->VtxBuffer.swap(new_vtx_buffer);
967 cmd_list->IdxBuffer.resize(0);
968 TotalVtxCount += cmd_list->VtxBuffer.Size;
969 }
970 }
971
972 // Helper to scale the ClipRect field of each ImDrawCmd. Use if your final output buffer is at a different scale than ImGui expects, or if there is a difference between your window resolution and framebuffer resolution.
ScaleClipRects(const ImVec2 & scale)973 void ImDrawData::ScaleClipRects(const ImVec2& scale)
974 {
975 for (int i = 0; i < CmdListsCount; i++)
976 {
977 ImDrawList* cmd_list = CmdLists[i];
978 for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
979 {
980 ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i];
981 cmd->ClipRect = ImVec4(cmd->ClipRect.x * scale.x, cmd->ClipRect.y * scale.y, cmd->ClipRect.z * scale.x, cmd->ClipRect.w * scale.y);
982 }
983 }
984 }
985
986 //-----------------------------------------------------------------------------
987 // ImFontAtlas
988 //-----------------------------------------------------------------------------
989
ImFontConfig()990 ImFontConfig::ImFontConfig()
991 {
992 FontData = NULL;
993 FontDataSize = 0;
994 FontDataOwnedByAtlas = true;
995 FontNo = 0;
996 SizePixels = 0.0f;
997 OversampleH = 3;
998 OversampleV = 1;
999 PixelSnapH = false;
1000 GlyphExtraSpacing = ImVec2(0.0f, 0.0f);
1001 GlyphRanges = NULL;
1002 MergeMode = false;
1003 MergeGlyphCenterV = false;
1004 DstFont = NULL;
1005 memset(Name, 0, sizeof(Name));
1006 }
1007
ImFontAtlas()1008 ImFontAtlas::ImFontAtlas()
1009 {
1010 TexID = NULL;
1011 TexPixelsAlpha8 = NULL;
1012 TexPixelsRGBA32 = NULL;
1013 TexWidth = TexHeight = TexDesiredWidth = 0;
1014 TexUvWhitePixel = ImVec2(0, 0);
1015 }
1016
~ImFontAtlas()1017 ImFontAtlas::~ImFontAtlas()
1018 {
1019 Clear();
1020 }
1021
ClearInputData()1022 void ImFontAtlas::ClearInputData()
1023 {
1024 for (int i = 0; i < ConfigData.Size; i++)
1025 if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas)
1026 {
1027 ImGui::MemFree(ConfigData[i].FontData);
1028 ConfigData[i].FontData = NULL;
1029 }
1030
1031 // When clearing this we lose access to the font name and other information used to build the font.
1032 for (int i = 0; i < Fonts.Size; i++)
1033 if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size)
1034 {
1035 Fonts[i]->ConfigData = NULL;
1036 Fonts[i]->ConfigDataCount = 0;
1037 }
1038 ConfigData.clear();
1039 }
1040
ClearTexData()1041 void ImFontAtlas::ClearTexData()
1042 {
1043 if (TexPixelsAlpha8)
1044 ImGui::MemFree(TexPixelsAlpha8);
1045 if (TexPixelsRGBA32)
1046 ImGui::MemFree(TexPixelsRGBA32);
1047 TexPixelsAlpha8 = NULL;
1048 TexPixelsRGBA32 = NULL;
1049 }
1050
ClearFonts()1051 void ImFontAtlas::ClearFonts()
1052 {
1053 for (int i = 0; i < Fonts.Size; i++)
1054 {
1055 Fonts[i]->~ImFont();
1056 ImGui::MemFree(Fonts[i]);
1057 }
1058 Fonts.clear();
1059 }
1060
Clear()1061 void ImFontAtlas::Clear()
1062 {
1063 ClearInputData();
1064 ClearTexData();
1065 ClearFonts();
1066 }
1067
GetTexDataAsAlpha8(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1068 void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1069 {
1070 // Build atlas on demand
1071 if (TexPixelsAlpha8 == NULL)
1072 {
1073 if (ConfigData.empty())
1074 AddFontDefault();
1075 Build();
1076 }
1077
1078 *out_pixels = TexPixelsAlpha8;
1079 if (out_width) *out_width = TexWidth;
1080 if (out_height) *out_height = TexHeight;
1081 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
1082 }
1083
GetTexDataAsRGBA32(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1084 void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1085 {
1086 // Convert to RGBA32 format on demand
1087 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
1088 if (!TexPixelsRGBA32)
1089 {
1090 unsigned char* pixels;
1091 GetTexDataAsAlpha8(&pixels, NULL, NULL);
1092 TexPixelsRGBA32 = (unsigned int*)ImGui::MemAlloc((size_t)(TexWidth * TexHeight * 4));
1093 const unsigned char* src = pixels;
1094 unsigned int* dst = TexPixelsRGBA32;
1095 for (int n = TexWidth * TexHeight; n > 0; n--)
1096 *dst++ = ((unsigned int)(*src++) << 24) | 0x00FFFFFF;
1097 }
1098
1099 *out_pixels = (unsigned char*)TexPixelsRGBA32;
1100 if (out_width) *out_width = TexWidth;
1101 if (out_height) *out_height = TexHeight;
1102 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
1103 }
1104
AddFont(const ImFontConfig * font_cfg)1105 ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
1106 {
1107 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
1108 IM_ASSERT(font_cfg->SizePixels > 0.0f);
1109
1110 // Create new font
1111 if (!font_cfg->MergeMode)
1112 {
1113 ImFont* font = (ImFont*)ImGui::MemAlloc(sizeof(ImFont));
1114 IM_PLACEMENT_NEW(font) ImFont();
1115 Fonts.push_back(font);
1116 }
1117
1118 ConfigData.push_back(*font_cfg);
1119 ImFontConfig& new_font_cfg = ConfigData.back();
1120 new_font_cfg.DstFont = Fonts.back();
1121 if (!new_font_cfg.FontDataOwnedByAtlas)
1122 {
1123 new_font_cfg.FontData = ImGui::MemAlloc(new_font_cfg.FontDataSize);
1124 new_font_cfg.FontDataOwnedByAtlas = true;
1125 memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
1126 }
1127
1128 // Invalidate texture
1129 ClearTexData();
1130 return Fonts.back();
1131 }
1132
1133 // Default font TTF is compressed with stb_compress then base85 encoded (see extra_fonts/binary_to_compressed_c.cpp for encoder)
1134 static unsigned int stb_decompress_length(unsigned char *input);
1135 static unsigned int stb_decompress(unsigned char *output, unsigned char *i, unsigned int length);
1136 static const char* GetDefaultCompressedFontDataTTFBase85();
Decode85Byte(char c)1137 static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
Decode85(const unsigned char * src,unsigned char * dst)1138 static void Decode85(const unsigned char* src, unsigned char* dst)
1139 {
1140 while (*src)
1141 {
1142 unsigned int tmp = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4]))));
1143 dst[0] = ((tmp >> 0) & 0xFF); dst[1] = ((tmp >> 8) & 0xFF); dst[2] = ((tmp >> 16) & 0xFF); dst[3] = ((tmp >> 24) & 0xFF); // We can't assume little-endianess.
1144 src += 5;
1145 dst += 4;
1146 }
1147 }
1148
1149 // Load embedded ProggyClean.ttf at size 13, disable oversampling
AddFontDefault(const ImFontConfig * font_cfg_template)1150 ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
1151 {
1152 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1153 if (!font_cfg_template)
1154 {
1155 font_cfg.OversampleH = font_cfg.OversampleV = 1;
1156 font_cfg.PixelSnapH = true;
1157 }
1158 if (font_cfg.Name[0] == '\0') strcpy(font_cfg.Name, "<default>");
1159
1160 const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
1161 ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, 13.0f, &font_cfg, GetGlyphRangesDefault());
1162 return font;
1163 }
1164
AddFontFromFileTTF(const char * filename,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1165 ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1166 {
1167 int data_size = 0;
1168 void* data = ImLoadFileToMemory(filename, "rb", &data_size, 0);
1169 if (!data)
1170 {
1171 IM_ASSERT(0); // Could not load file.
1172 return NULL;
1173 }
1174 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1175 if (font_cfg.Name[0] == '\0')
1176 {
1177 // Store a short copy of filename into into the font name for convenience
1178 const char* p;
1179 for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
1180 snprintf(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s", p);
1181 }
1182 return AddFontFromMemoryTTF(data, data_size, size_pixels, &font_cfg, glyph_ranges);
1183 }
1184
1185 // NBM Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build().
AddFontFromMemoryTTF(void * ttf_data,int ttf_size,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1186 ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1187 {
1188 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1189 IM_ASSERT(font_cfg.FontData == NULL);
1190 font_cfg.FontData = ttf_data;
1191 font_cfg.FontDataSize = ttf_size;
1192 font_cfg.SizePixels = size_pixels;
1193 if (glyph_ranges)
1194 font_cfg.GlyphRanges = glyph_ranges;
1195 return AddFont(&font_cfg);
1196 }
1197
AddFontFromMemoryCompressedTTF(const void * compressed_ttf_data,int compressed_ttf_size,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1198 ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1199 {
1200 const unsigned int buf_decompressed_size = stb_decompress_length((unsigned char*)compressed_ttf_data);
1201 unsigned char* buf_decompressed_data = (unsigned char *)ImGui::MemAlloc(buf_decompressed_size);
1202 stb_decompress(buf_decompressed_data, (unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size);
1203
1204 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1205 IM_ASSERT(font_cfg.FontData == NULL);
1206 font_cfg.FontDataOwnedByAtlas = true;
1207 return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges);
1208 }
1209
AddFontFromMemoryCompressedBase85TTF(const char * compressed_ttf_data_base85,float size_pixels,const ImFontConfig * font_cfg,const ImWchar * glyph_ranges)1210 ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
1211 {
1212 int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4;
1213 void* compressed_ttf = ImGui::MemAlloc((size_t)compressed_ttf_size);
1214 Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf);
1215 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges);
1216 ImGui::MemFree(compressed_ttf);
1217 return font;
1218 }
1219
Build()1220 bool ImFontAtlas::Build()
1221 {
1222 IM_ASSERT(ConfigData.Size > 0);
1223
1224 TexID = NULL;
1225 TexWidth = TexHeight = 0;
1226 TexUvWhitePixel = ImVec2(0, 0);
1227 ClearTexData();
1228
1229 struct ImFontTempBuildData
1230 {
1231 stbtt_fontinfo FontInfo;
1232 stbrp_rect* Rects;
1233 stbtt_pack_range* Ranges;
1234 int RangesCount;
1235 };
1236 ImFontTempBuildData* tmp_array = (ImFontTempBuildData*)ImGui::MemAlloc((size_t)ConfigData.Size * sizeof(ImFontTempBuildData));
1237
1238 // Initialize font information early (so we can error without any cleanup) + count glyphs
1239 int total_glyph_count = 0;
1240 int total_glyph_range_count = 0;
1241 for (int input_i = 0; input_i < ConfigData.Size; input_i++)
1242 {
1243 ImFontConfig& cfg = ConfigData[input_i];
1244 ImFontTempBuildData& tmp = tmp_array[input_i];
1245
1246 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == this));
1247 const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo);
1248 IM_ASSERT(font_offset >= 0);
1249 if (!stbtt_InitFont(&tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset))
1250 return false;
1251
1252 // Count glyphs
1253 if (!cfg.GlyphRanges)
1254 cfg.GlyphRanges = GetGlyphRangesDefault();
1255 for (const ImWchar* in_range = cfg.GlyphRanges; in_range[0] && in_range[1]; in_range += 2)
1256 {
1257 total_glyph_count += (in_range[1] - in_range[0]) + 1;
1258 total_glyph_range_count++;
1259 }
1260 }
1261
1262 // Start packing. We need a known width for the skyline algorithm. Using a cheap heuristic here to decide of width. User can override TexDesiredWidth if they wish.
1263 // After packing is done, width shouldn't matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
1264 TexWidth = (TexDesiredWidth > 0) ? TexDesiredWidth : (total_glyph_count > 4000) ? 4096 : (total_glyph_count > 2000) ? 2048 : (total_glyph_count > 1000) ? 1024 : 512;
1265 TexHeight = 0;
1266 const int max_tex_height = 1024*32;
1267 stbtt_pack_context spc;
1268 stbtt_PackBegin(&spc, NULL, TexWidth, max_tex_height, 0, 1, NULL);
1269
1270 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
1271 ImVector<stbrp_rect> extra_rects;
1272 RenderCustomTexData(0, &extra_rects);
1273 stbtt_PackSetOversampling(&spc, 1, 1);
1274 stbrp_pack_rects((stbrp_context*)spc.pack_info, &extra_rects[0], extra_rects.Size);
1275 for (int i = 0; i < extra_rects.Size; i++)
1276 if (extra_rects[i].was_packed)
1277 TexHeight = ImMax(TexHeight, extra_rects[i].y + extra_rects[i].h);
1278
1279 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
1280 int buf_packedchars_n = 0, buf_rects_n = 0, buf_ranges_n = 0;
1281 stbtt_packedchar* buf_packedchars = (stbtt_packedchar*)ImGui::MemAlloc(total_glyph_count * sizeof(stbtt_packedchar));
1282 stbrp_rect* buf_rects = (stbrp_rect*)ImGui::MemAlloc(total_glyph_count * sizeof(stbrp_rect));
1283 stbtt_pack_range* buf_ranges = (stbtt_pack_range*)ImGui::MemAlloc(total_glyph_range_count * sizeof(stbtt_pack_range));
1284 memset(buf_packedchars, 0, total_glyph_count * sizeof(stbtt_packedchar));
1285 memset(buf_rects, 0, total_glyph_count * sizeof(stbrp_rect)); // Unnecessary but let's clear this for the sake of sanity.
1286 memset(buf_ranges, 0, total_glyph_range_count * sizeof(stbtt_pack_range));
1287
1288 // First font pass: pack all glyphs (no rendering at this point, we are working with rectangles in an infinitely tall texture at this point)
1289 for (int input_i = 0; input_i < ConfigData.Size; input_i++)
1290 {
1291 ImFontConfig& cfg = ConfigData[input_i];
1292 ImFontTempBuildData& tmp = tmp_array[input_i];
1293
1294 // Setup ranges
1295 int glyph_count = 0;
1296 int glyph_ranges_count = 0;
1297 for (const ImWchar* in_range = cfg.GlyphRanges; in_range[0] && in_range[1]; in_range += 2)
1298 {
1299 glyph_count += (in_range[1] - in_range[0]) + 1;
1300 glyph_ranges_count++;
1301 }
1302 tmp.Ranges = buf_ranges + buf_ranges_n;
1303 tmp.RangesCount = glyph_ranges_count;
1304 buf_ranges_n += glyph_ranges_count;
1305 for (int i = 0; i < glyph_ranges_count; i++)
1306 {
1307 const ImWchar* in_range = &cfg.GlyphRanges[i * 2];
1308 stbtt_pack_range& range = tmp.Ranges[i];
1309 range.font_size = cfg.SizePixels;
1310 range.first_unicode_codepoint_in_range = in_range[0];
1311 range.num_chars = (in_range[1] - in_range[0]) + 1;
1312 range.chardata_for_range = buf_packedchars + buf_packedchars_n;
1313 buf_packedchars_n += range.num_chars;
1314 }
1315
1316 // Pack
1317 tmp.Rects = buf_rects + buf_rects_n;
1318 buf_rects_n += glyph_count;
1319 stbtt_PackSetOversampling(&spc, cfg.OversampleH, cfg.OversampleV);
1320 int n = stbtt_PackFontRangesGatherRects(&spc, &tmp.FontInfo, tmp.Ranges, tmp.RangesCount, tmp.Rects);
1321 stbrp_pack_rects((stbrp_context*)spc.pack_info, tmp.Rects, n);
1322
1323 // Extend texture height
1324 for (int i = 0; i < n; i++)
1325 if (tmp.Rects[i].was_packed)
1326 TexHeight = ImMax(TexHeight, tmp.Rects[i].y + tmp.Rects[i].h);
1327 }
1328 IM_ASSERT(buf_rects_n == total_glyph_count);
1329 IM_ASSERT(buf_packedchars_n == total_glyph_count);
1330 IM_ASSERT(buf_ranges_n == total_glyph_range_count);
1331
1332 // Create texture
1333 TexHeight = ImUpperPowerOfTwo(TexHeight);
1334 TexPixelsAlpha8 = (unsigned char*)ImGui::MemAlloc(TexWidth * TexHeight);
1335 memset(TexPixelsAlpha8, 0, TexWidth * TexHeight);
1336 spc.pixels = TexPixelsAlpha8;
1337 spc.height = TexHeight;
1338
1339 // Second pass: render characters
1340 for (int input_i = 0; input_i < ConfigData.Size; input_i++)
1341 {
1342 ImFontConfig& cfg = ConfigData[input_i];
1343 ImFontTempBuildData& tmp = tmp_array[input_i];
1344 stbtt_PackSetOversampling(&spc, cfg.OversampleH, cfg.OversampleV);
1345 stbtt_PackFontRangesRenderIntoRects(&spc, &tmp.FontInfo, tmp.Ranges, tmp.RangesCount, tmp.Rects);
1346 tmp.Rects = NULL;
1347 }
1348
1349 // End packing
1350 stbtt_PackEnd(&spc);
1351 ImGui::MemFree(buf_rects);
1352 buf_rects = NULL;
1353
1354 // Third pass: setup ImFont and glyphs for runtime
1355 for (int input_i = 0; input_i < ConfigData.Size; input_i++)
1356 {
1357 ImFontConfig& cfg = ConfigData[input_i];
1358 ImFontTempBuildData& tmp = tmp_array[input_i];
1359 ImFont* dst_font = cfg.DstFont;
1360
1361 float font_scale = stbtt_ScaleForPixelHeight(&tmp.FontInfo, cfg.SizePixels);
1362 int unscaled_ascent, unscaled_descent, unscaled_line_gap;
1363 stbtt_GetFontVMetrics(&tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap);
1364
1365 float ascent = unscaled_ascent * font_scale;
1366 float descent = unscaled_descent * font_scale;
1367 if (!cfg.MergeMode)
1368 {
1369 dst_font->ContainerAtlas = this;
1370 dst_font->ConfigData = &cfg;
1371 dst_font->ConfigDataCount = 0;
1372 dst_font->FontSize = cfg.SizePixels;
1373 dst_font->Ascent = ascent;
1374 dst_font->Descent = descent;
1375 dst_font->Glyphs.resize(0);
1376 }
1377 dst_font->ConfigDataCount++;
1378 float off_y = (cfg.MergeMode && cfg.MergeGlyphCenterV) ? (ascent - dst_font->Ascent) * 0.5f : 0.0f;
1379
1380 dst_font->FallbackGlyph = NULL; // Always clear fallback so FindGlyph can return NULL. It will be set again in BuildLookupTable()
1381 for (int i = 0; i < tmp.RangesCount; i++)
1382 {
1383 stbtt_pack_range& range = tmp.Ranges[i];
1384 for (int char_idx = 0; char_idx < range.num_chars; char_idx += 1)
1385 {
1386 const stbtt_packedchar& pc = range.chardata_for_range[char_idx];
1387 if (!pc.x0 && !pc.x1 && !pc.y0 && !pc.y1)
1388 continue;
1389
1390 const int codepoint = range.first_unicode_codepoint_in_range + char_idx;
1391 if (cfg.MergeMode && dst_font->FindGlyph((unsigned short)codepoint))
1392 continue;
1393
1394 stbtt_aligned_quad q;
1395 float dummy_x = 0.0f, dummy_y = 0.0f;
1396 stbtt_GetPackedQuad(range.chardata_for_range, TexWidth, TexHeight, char_idx, &dummy_x, &dummy_y, &q, 0);
1397
1398 dst_font->Glyphs.resize(dst_font->Glyphs.Size + 1);
1399 ImFont::Glyph& glyph = dst_font->Glyphs.back();
1400 glyph.Codepoint = (ImWchar)codepoint;
1401 glyph.X0 = q.x0; glyph.Y0 = q.y0; glyph.X1 = q.x1; glyph.Y1 = q.y1;
1402 glyph.U0 = q.s0; glyph.V0 = q.t0; glyph.U1 = q.s1; glyph.V1 = q.t1;
1403 glyph.Y0 += (float)(int)(dst_font->Ascent + off_y + 0.5f);
1404 glyph.Y1 += (float)(int)(dst_font->Ascent + off_y + 0.5f);
1405 glyph.XAdvance = (pc.xadvance + cfg.GlyphExtraSpacing.x); // Bake spacing into XAdvance
1406 if (cfg.PixelSnapH)
1407 glyph.XAdvance = (float)(int)(glyph.XAdvance + 0.5f);
1408 }
1409 }
1410 cfg.DstFont->BuildLookupTable();
1411 }
1412
1413 // Cleanup temporaries
1414 ImGui::MemFree(buf_packedchars);
1415 ImGui::MemFree(buf_ranges);
1416 ImGui::MemFree(tmp_array);
1417
1418 // Render into our custom data block
1419 RenderCustomTexData(1, &extra_rects);
1420
1421 return true;
1422 }
1423
RenderCustomTexData(int pass,void * p_rects)1424 void ImFontAtlas::RenderCustomTexData(int pass, void* p_rects)
1425 {
1426 // A work of art lies ahead! (. = white layer, X = black layer, others are blank)
1427 // The white texels on the top left are the ones we'll use everywhere in ImGui to render filled shapes.
1428 const int TEX_DATA_W = 90;
1429 const int TEX_DATA_H = 27;
1430 const char texture_data[TEX_DATA_W*TEX_DATA_H+1] =
1431 {
1432 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX"
1433 "..- -X.....X- X.X - X.X -X.....X - X.....X"
1434 "--- -XXX.XXX- X...X - X...X -X....X - X....X"
1435 "X - X.X - X.....X - X.....X -X...X - X...X"
1436 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X"
1437 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X"
1438 "X..X - X.X - X.X - X.X -XX X.X - X.X XX"
1439 "X...X - X.X - X.X - XX X.X XX - X.X - X.X "
1440 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X "
1441 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X "
1442 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X "
1443 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X "
1444 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X "
1445 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X "
1446 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X "
1447 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X "
1448 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX "
1449 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------"
1450 "X.X X..X - -X.......X- X.......X - XX XX - "
1451 "XX X..X - - X.....X - X.....X - X.X X.X - "
1452 " X..X - X...X - X...X - X..X X..X - "
1453 " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - "
1454 "------------ - X - X -X.....................X- "
1455 " ----------------------------------- X...XXXXXXXXXXXXX...X - "
1456 " - X..X X..X - "
1457 " - X.X X.X - "
1458 " - XX XX - "
1459 };
1460
1461 ImVector<stbrp_rect>& rects = *(ImVector<stbrp_rect>*)p_rects;
1462 if (pass == 0)
1463 {
1464 // Request rectangles
1465 stbrp_rect r;
1466 memset(&r, 0, sizeof(r));
1467 r.w = (TEX_DATA_W*2)+1;
1468 r.h = TEX_DATA_H+1;
1469 rects.push_back(r);
1470 }
1471 else if (pass == 1)
1472 {
1473 // Render/copy pixels
1474 const stbrp_rect& r = rects[0];
1475 for (int y = 0, n = 0; y < TEX_DATA_H; y++)
1476 for (int x = 0; x < TEX_DATA_W; x++, n++)
1477 {
1478 const int offset0 = (int)(r.x + x) + (int)(r.y + y) * TexWidth;
1479 const int offset1 = offset0 + 1 + TEX_DATA_W;
1480 TexPixelsAlpha8[offset0] = texture_data[n] == '.' ? 0xFF : 0x00;
1481 TexPixelsAlpha8[offset1] = texture_data[n] == 'X' ? 0xFF : 0x00;
1482 }
1483 const ImVec2 tex_uv_scale(1.0f / TexWidth, 1.0f / TexHeight);
1484 TexUvWhitePixel = ImVec2((r.x + 0.5f) * tex_uv_scale.x, (r.y + 0.5f) * tex_uv_scale.y);
1485
1486 // Setup mouse cursors
1487 const ImVec2 cursor_datas[ImGuiMouseCursor_Count_][3] =
1488 {
1489 // Pos ........ Size ......... Offset ......
1490 { ImVec2(0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
1491 { ImVec2(13,0), ImVec2(7,16), ImVec2( 4, 8) }, // ImGuiMouseCursor_TextInput
1492 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_Move
1493 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 5,11) }, // ImGuiMouseCursor_ResizeNS
1494 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 5) }, // ImGuiMouseCursor_ResizeEW
1495 { ImVec2(73,0), ImVec2(17,17), ImVec2( 9, 9) }, // ImGuiMouseCursor_ResizeNESW
1496 { ImVec2(55,0), ImVec2(17,17), ImVec2( 9, 9) }, // ImGuiMouseCursor_ResizeNWSE
1497 };
1498
1499 for (int type = 0; type < ImGuiMouseCursor_Count_; type++)
1500 {
1501 ImGuiMouseCursorData& cursor_data = GImGui->MouseCursorData[type];
1502 ImVec2 pos = cursor_datas[type][0] + ImVec2((float)r.x, (float)r.y);
1503 const ImVec2 size = cursor_datas[type][1];
1504 cursor_data.Type = type;
1505 cursor_data.Size = size;
1506 cursor_data.HotOffset = cursor_datas[type][2];
1507 cursor_data.TexUvMin[0] = (pos) * tex_uv_scale;
1508 cursor_data.TexUvMax[0] = (pos + size) * tex_uv_scale;
1509 pos.x += TEX_DATA_W+1;
1510 cursor_data.TexUvMin[1] = (pos) * tex_uv_scale;
1511 cursor_data.TexUvMax[1] = (pos + size) * tex_uv_scale;
1512 }
1513 }
1514 }
1515
1516 // Retrieve list of range (2 int per range, values are inclusive)
GetGlyphRangesDefault()1517 const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
1518 {
1519 static const ImWchar ranges[] =
1520 {
1521 0x0020, 0x00FF, // Basic Latin + Latin Supplement
1522 0,
1523 };
1524 return &ranges[0];
1525 }
1526
GetGlyphRangesKorean()1527 const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
1528 {
1529 static const ImWchar ranges[] =
1530 {
1531 0x0020, 0x00FF, // Basic Latin + Latin Supplement
1532 0x3131, 0x3163, // Korean alphabets
1533 0xAC00, 0xD79D, // Korean characters
1534 0,
1535 };
1536 return &ranges[0];
1537 }
1538
GetGlyphRangesChinese()1539 const ImWchar* ImFontAtlas::GetGlyphRangesChinese()
1540 {
1541 static const ImWchar ranges[] =
1542 {
1543 0x0020, 0x00FF, // Basic Latin + Latin Supplement
1544 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
1545 0x31F0, 0x31FF, // Katakana Phonetic Extensions
1546 0xFF00, 0xFFEF, // Half-width characters
1547 0x4e00, 0x9FAF, // CJK Ideograms
1548 0,
1549 };
1550 return &ranges[0];
1551 }
1552
GetGlyphRangesJapanese()1553 const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
1554 {
1555 // Store the 1946 ideograms code points as successive offsets from the initial unicode codepoint 0x4E00. Each offset has an implicit +1.
1556 // This encoding helps us reduce the source code size.
1557 static const short offsets_from_0x4E00[] =
1558 {
1559 -1,0,1,3,0,0,0,0,1,0,5,1,1,0,7,4,6,10,0,1,9,9,7,1,3,19,1,10,7,1,0,1,0,5,1,0,6,4,2,6,0,0,12,6,8,0,3,5,0,1,0,9,0,0,8,1,1,3,4,5,13,0,0,8,2,17,
1560 4,3,1,1,9,6,0,0,0,2,1,3,2,22,1,9,11,1,13,1,3,12,0,5,9,2,0,6,12,5,3,12,4,1,2,16,1,1,4,6,5,3,0,6,13,15,5,12,8,14,0,0,6,15,3,6,0,18,8,1,6,14,1,
1561 5,4,12,24,3,13,12,10,24,0,0,0,1,0,1,1,2,9,10,2,2,0,0,3,3,1,0,3,8,0,3,2,4,4,1,6,11,10,14,6,15,3,4,15,1,0,0,5,2,2,0,0,1,6,5,5,6,0,3,6,5,0,0,1,0,
1562 11,2,2,8,4,7,0,10,0,1,2,17,19,3,0,2,5,0,6,2,4,4,6,1,1,11,2,0,3,1,2,1,2,10,7,6,3,16,0,8,24,0,0,3,1,1,3,0,1,6,0,0,0,2,0,1,5,15,0,1,0,0,2,11,19,
1563 1,4,19,7,6,5,1,0,0,0,0,5,1,0,1,9,0,0,5,0,2,0,1,0,3,0,11,3,0,2,0,0,0,0,0,9,3,6,4,12,0,14,0,0,29,10,8,0,14,37,13,0,31,16,19,0,8,30,1,20,8,3,48,
1564 21,1,0,12,0,10,44,34,42,54,11,18,82,0,2,1,2,12,1,0,6,2,17,2,12,7,0,7,17,4,2,6,24,23,8,23,39,2,16,23,1,0,5,1,2,15,14,5,6,2,11,0,8,6,2,2,2,14,
1565 20,4,15,3,4,11,10,10,2,5,2,1,30,2,1,0,0,22,5,5,0,3,1,5,4,1,0,0,2,2,21,1,5,1,2,16,2,1,3,4,0,8,4,0,0,5,14,11,2,16,1,13,1,7,0,22,15,3,1,22,7,14,
1566 22,19,11,24,18,46,10,20,64,45,3,2,0,4,5,0,1,4,25,1,0,0,2,10,0,0,0,1,0,1,2,0,0,9,1,2,0,0,0,2,5,2,1,1,5,5,8,1,1,1,5,1,4,9,1,3,0,1,0,1,1,2,0,0,
1567 2,0,1,8,22,8,1,0,0,0,0,4,2,1,0,9,8,5,0,9,1,30,24,2,6,4,39,0,14,5,16,6,26,179,0,2,1,1,0,0,0,5,2,9,6,0,2,5,16,7,5,1,1,0,2,4,4,7,15,13,14,0,0,
1568 3,0,1,0,0,0,2,1,6,4,5,1,4,9,0,3,1,8,0,0,10,5,0,43,0,2,6,8,4,0,2,0,0,9,6,0,9,3,1,6,20,14,6,1,4,0,7,2,3,0,2,0,5,0,3,1,0,3,9,7,0,3,4,0,4,9,1,6,0,
1569 9,0,0,2,3,10,9,28,3,6,2,4,1,2,32,4,1,18,2,0,3,1,5,30,10,0,2,2,2,0,7,9,8,11,10,11,7,2,13,7,5,10,0,3,40,2,0,1,6,12,0,4,5,1,5,11,11,21,4,8,3,7,
1570 8,8,33,5,23,0,0,19,8,8,2,3,0,6,1,1,1,5,1,27,4,2,5,0,3,5,6,3,1,0,3,1,12,5,3,3,2,0,7,7,2,1,0,4,0,1,1,2,0,10,10,6,2,5,9,7,5,15,15,21,6,11,5,20,
1571 4,3,5,5,2,5,0,2,1,0,1,7,28,0,9,0,5,12,5,5,18,30,0,12,3,3,21,16,25,32,9,3,14,11,24,5,66,9,1,2,0,5,9,1,5,1,8,0,8,3,3,0,1,15,1,4,8,1,2,7,0,7,2,
1572 8,3,7,5,3,7,10,2,1,0,0,2,25,0,6,4,0,10,0,4,2,4,1,12,5,38,4,0,4,1,10,5,9,4,0,14,4,2,5,18,20,21,1,3,0,5,0,7,0,3,7,1,3,1,1,8,1,0,0,0,3,2,5,2,11,
1573 6,0,13,1,3,9,1,12,0,16,6,2,1,0,2,1,12,6,13,11,2,0,28,1,7,8,14,13,8,13,0,2,0,5,4,8,10,2,37,42,19,6,6,7,4,14,11,18,14,80,7,6,0,4,72,12,36,27,
1574 7,7,0,14,17,19,164,27,0,5,10,7,3,13,6,14,0,2,2,5,3,0,6,13,0,0,10,29,0,4,0,3,13,0,3,1,6,51,1,5,28,2,0,8,0,20,2,4,0,25,2,10,13,10,0,16,4,0,1,0,
1575 2,1,7,0,1,8,11,0,0,1,2,7,2,23,11,6,6,4,16,2,2,2,0,22,9,3,3,5,2,0,15,16,21,2,9,20,15,15,5,3,9,1,0,0,1,7,7,5,4,2,2,2,38,24,14,0,0,15,5,6,24,14,
1576 5,5,11,0,21,12,0,3,8,4,11,1,8,0,11,27,7,2,4,9,21,59,0,1,39,3,60,62,3,0,12,11,0,3,30,11,0,13,88,4,15,5,28,13,1,4,48,17,17,4,28,32,46,0,16,0,
1577 18,11,1,8,6,38,11,2,6,11,38,2,0,45,3,11,2,7,8,4,30,14,17,2,1,1,65,18,12,16,4,2,45,123,12,56,33,1,4,3,4,7,0,0,0,3,2,0,16,4,2,4,2,0,7,4,5,2,26,
1578 2,25,6,11,6,1,16,2,6,17,77,15,3,35,0,1,0,5,1,0,38,16,6,3,12,3,3,3,0,9,3,1,3,5,2,9,0,18,0,25,1,3,32,1,72,46,6,2,7,1,3,14,17,0,28,1,40,13,0,20,
1579 15,40,6,38,24,12,43,1,1,9,0,12,6,0,6,2,4,19,3,7,1,48,0,9,5,0,5,6,9,6,10,15,2,11,19,3,9,2,0,1,10,1,27,8,1,3,6,1,14,0,26,0,27,16,3,4,9,6,2,23,
1580 9,10,5,25,2,1,6,1,1,48,15,9,15,14,3,4,26,60,29,13,37,21,1,6,4,0,2,11,22,23,16,16,2,2,1,3,0,5,1,6,4,0,0,4,0,0,8,3,0,2,5,0,7,1,7,3,13,2,4,10,
1581 3,0,2,31,0,18,3,0,12,10,4,1,0,7,5,7,0,5,4,12,2,22,10,4,2,15,2,8,9,0,23,2,197,51,3,1,1,4,13,4,3,21,4,19,3,10,5,40,0,4,1,1,10,4,1,27,34,7,21,
1582 2,17,2,9,6,4,2,3,0,4,2,7,8,2,5,1,15,21,3,4,4,2,2,17,22,1,5,22,4,26,7,0,32,1,11,42,15,4,1,2,5,0,19,3,1,8,6,0,10,1,9,2,13,30,8,2,24,17,19,1,4,
1583 4,25,13,0,10,16,11,39,18,8,5,30,82,1,6,8,18,77,11,13,20,75,11,112,78,33,3,0,0,60,17,84,9,1,1,12,30,10,49,5,32,158,178,5,5,6,3,3,1,3,1,4,7,6,
1584 19,31,21,0,2,9,5,6,27,4,9,8,1,76,18,12,1,4,0,3,3,6,3,12,2,8,30,16,2,25,1,5,5,4,3,0,6,10,2,3,1,0,5,1,19,3,0,8,1,5,2,6,0,0,0,19,1,2,0,5,1,2,5,
1585 1,3,7,0,4,12,7,3,10,22,0,9,5,1,0,2,20,1,1,3,23,30,3,9,9,1,4,191,14,3,15,6,8,50,0,1,0,0,4,0,0,1,0,2,4,2,0,2,3,0,2,0,2,2,8,7,0,1,1,1,3,3,17,11,
1586 91,1,9,3,2,13,4,24,15,41,3,13,3,1,20,4,125,29,30,1,0,4,12,2,21,4,5,5,19,11,0,13,11,86,2,18,0,7,1,8,8,2,2,22,1,2,6,5,2,0,1,2,8,0,2,0,5,2,1,0,
1587 2,10,2,0,5,9,2,1,2,0,1,0,4,0,0,10,2,5,3,0,6,1,0,1,4,4,33,3,13,17,3,18,6,4,7,1,5,78,0,4,1,13,7,1,8,1,0,35,27,15,3,0,0,0,1,11,5,41,38,15,22,6,
1588 14,14,2,1,11,6,20,63,5,8,27,7,11,2,2,40,58,23,50,54,56,293,8,8,1,5,1,14,0,1,12,37,89,8,8,8,2,10,6,0,0,0,4,5,2,1,0,1,1,2,7,0,3,3,0,4,6,0,3,2,
1589 19,3,8,0,0,0,4,4,16,0,4,1,5,1,3,0,3,4,6,2,17,10,10,31,6,4,3,6,10,126,7,3,2,2,0,9,0,0,5,20,13,0,15,0,6,0,2,5,8,64,50,3,2,12,2,9,0,0,11,8,20,
1590 109,2,18,23,0,0,9,61,3,0,28,41,77,27,19,17,81,5,2,14,5,83,57,252,14,154,263,14,20,8,13,6,57,39,38,
1591 };
1592 static ImWchar base_ranges[] =
1593 {
1594 0x0020, 0x00FF, // Basic Latin + Latin Supplement
1595 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
1596 0x31F0, 0x31FF, // Katakana Phonetic Extensions
1597 0xFF00, 0xFFEF, // Half-width characters
1598 };
1599 static bool full_ranges_unpacked = false;
1600 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(offsets_from_0x4E00)*2 + 1];
1601 if (!full_ranges_unpacked)
1602 {
1603 // Unpack
1604 int codepoint = 0x4e00;
1605 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
1606 ImWchar* dst = full_ranges + IM_ARRAYSIZE(base_ranges);;
1607 for (int n = 0; n < IM_ARRAYSIZE(offsets_from_0x4E00); n++, dst += 2)
1608 dst[0] = dst[1] = (ImWchar)(codepoint += (offsets_from_0x4E00[n] + 1));
1609 dst[0] = 0;
1610 full_ranges_unpacked = true;
1611 }
1612 return &full_ranges[0];
1613 }
1614
GetGlyphRangesCyrillic()1615 const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
1616 {
1617 static const ImWchar ranges[] =
1618 {
1619 0x0020, 0x00FF, // Basic Latin + Latin Supplement
1620 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
1621 0x2DE0, 0x2DFF, // Cyrillic Extended-A
1622 0xA640, 0xA69F, // Cyrillic Extended-B
1623 0,
1624 };
1625 return &ranges[0];
1626 }
1627
1628 //-----------------------------------------------------------------------------
1629 // ImFont
1630 //-----------------------------------------------------------------------------
1631
ImFont()1632 ImFont::ImFont()
1633 {
1634 Scale = 1.0f;
1635 FallbackChar = (ImWchar)'?';
1636 Clear();
1637 }
1638
~ImFont()1639 ImFont::~ImFont()
1640 {
1641 // Invalidate active font so that the user gets a clear crash instead of a dangling pointer.
1642 // If you want to delete fonts you need to do it between Render() and NewFrame().
1643 // FIXME-CLEANUP
1644 /*
1645 ImGuiState& g = *GImGui;
1646 if (g.Font == this)
1647 g.Font = NULL;
1648 */
1649 Clear();
1650 }
1651
Clear()1652 void ImFont::Clear()
1653 {
1654 FontSize = 0.0f;
1655 DisplayOffset = ImVec2(0.0f, 1.0f);
1656 ConfigData = NULL;
1657 ConfigDataCount = 0;
1658 Ascent = Descent = 0.0f;
1659 ContainerAtlas = NULL;
1660 Glyphs.clear();
1661 FallbackGlyph = NULL;
1662 FallbackXAdvance = 0.0f;
1663 IndexXAdvance.clear();
1664 IndexLookup.clear();
1665 }
1666
BuildLookupTable()1667 void ImFont::BuildLookupTable()
1668 {
1669 int max_codepoint = 0;
1670 for (int i = 0; i != Glyphs.Size; i++)
1671 max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
1672
1673 IndexXAdvance.clear();
1674 IndexXAdvance.resize(max_codepoint + 1);
1675 IndexLookup.clear();
1676 IndexLookup.resize(max_codepoint + 1);
1677 for (int i = 0; i < max_codepoint + 1; i++)
1678 {
1679 IndexXAdvance[i] = -1.0f;
1680 IndexLookup[i] = -1;
1681 }
1682 for (int i = 0; i < Glyphs.Size; i++)
1683 {
1684 int codepoint = (int)Glyphs[i].Codepoint;
1685 IndexXAdvance[codepoint] = Glyphs[i].XAdvance;
1686 IndexLookup[codepoint] = i;
1687 }
1688
1689 // Create a glyph to handle TAB
1690 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
1691 if (FindGlyph((unsigned short)' '))
1692 {
1693 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times
1694 Glyphs.resize(Glyphs.Size + 1);
1695 ImFont::Glyph& tab_glyph = Glyphs.back();
1696 tab_glyph = *FindGlyph((unsigned short)' ');
1697 tab_glyph.Codepoint = '\t';
1698 tab_glyph.XAdvance *= 4;
1699 IndexXAdvance[(int)tab_glyph.Codepoint] = (float)tab_glyph.XAdvance;
1700 IndexLookup[(int)tab_glyph.Codepoint] = (int)(Glyphs.Size-1);
1701 }
1702
1703 FallbackGlyph = NULL;
1704 FallbackGlyph = FindGlyph(FallbackChar);
1705 FallbackXAdvance = FallbackGlyph ? FallbackGlyph->XAdvance : 0.0f;
1706 for (int i = 0; i < max_codepoint + 1; i++)
1707 if (IndexXAdvance[i] < 0.0f)
1708 IndexXAdvance[i] = FallbackXAdvance;
1709 }
1710
SetFallbackChar(ImWchar c)1711 void ImFont::SetFallbackChar(ImWchar c)
1712 {
1713 FallbackChar = c;
1714 BuildLookupTable();
1715 }
1716
FindGlyph(unsigned short c) const1717 const ImFont::Glyph* ImFont::FindGlyph(unsigned short c) const
1718 {
1719 if (c < IndexLookup.Size)
1720 {
1721 const int i = IndexLookup[c];
1722 if (i != -1)
1723 return &Glyphs[i];
1724 }
1725 return FallbackGlyph;
1726 }
1727
CalcWordWrapPositionA(float scale,const char * text,const char * text_end,float wrap_width) const1728 const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const
1729 {
1730 // Simple word-wrapping for English, not full-featured. Please submit failing cases!
1731 // FIXME: Much possible improvements (don't cut things like "word !", "word!!!" but cut within "word,,,,", more sensible support for punctuations, support for Unicode punctuations, etc.)
1732
1733 // For references, possible wrap point marked with ^
1734 // "aaa bbb, ccc,ddd. eee fff. ggg!"
1735 // ^ ^ ^ ^ ^__ ^ ^
1736
1737 // List of hardcoded separators: .,;!?'"
1738
1739 // Skip extra blanks after a line returns (that includes not counting them in width computation)
1740 // e.g. "Hello world" --> "Hello" "World"
1741
1742 // Cut words that cannot possibly fit within one line.
1743 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
1744
1745 float line_width = 0.0f;
1746 float word_width = 0.0f;
1747 float blank_width = 0.0f;
1748
1749 const char* word_end = text;
1750 const char* prev_word_end = NULL;
1751 bool inside_word = true;
1752
1753 const char* s = text;
1754 while (s < text_end)
1755 {
1756 unsigned int c = (unsigned int)*s;
1757 const char* next_s;
1758 if (c < 0x80)
1759 next_s = s + 1;
1760 else
1761 next_s = s + ImTextCharFromUtf8(&c, s, text_end);
1762 if (c == 0)
1763 break;
1764
1765 if (c < 32)
1766 {
1767 if (c == '\n')
1768 {
1769 line_width = word_width = blank_width = 0.0f;
1770 inside_word = true;
1771 s = next_s;
1772 continue;
1773 }
1774 if (c == '\r')
1775 {
1776 s = next_s;
1777 continue;
1778 }
1779 }
1780
1781 const float char_width = ((int)c < IndexXAdvance.Size) ? IndexXAdvance[(int)c] * scale : FallbackXAdvance;
1782 if (ImCharIsSpace(c))
1783 {
1784 if (inside_word)
1785 {
1786 line_width += blank_width;
1787 blank_width = 0.0f;
1788 }
1789 blank_width += char_width;
1790 inside_word = false;
1791 }
1792 else
1793 {
1794 word_width += char_width;
1795 if (inside_word)
1796 {
1797 word_end = next_s;
1798 }
1799 else
1800 {
1801 prev_word_end = word_end;
1802 line_width += word_width + blank_width;
1803 word_width = blank_width = 0.0f;
1804 }
1805
1806 // Allow wrapping after punctuation.
1807 inside_word = !(c == '.' || c == ',' || c == ';' || c == '!' || c == '?' || c == '\"');
1808 }
1809
1810 // We ignore blank width at the end of the line (they can be skipped)
1811 if (line_width + word_width >= wrap_width)
1812 {
1813 // Words that cannot possibly fit within an entire line will be cut anywhere.
1814 if (word_width < wrap_width)
1815 s = prev_word_end ? prev_word_end : word_end;
1816 break;
1817 }
1818
1819 s = next_s;
1820 }
1821
1822 return s;
1823 }
1824
CalcTextSizeA(float size,float max_width,float wrap_width,const char * text_begin,const char * text_end,const char ** remaining) const1825 ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const
1826 {
1827 if (!text_end)
1828 text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this.
1829
1830 const float line_height = size;
1831 const float scale = size / FontSize;
1832
1833 ImVec2 text_size = ImVec2(0,0);
1834 float line_width = 0.0f;
1835
1836 const bool word_wrap_enabled = (wrap_width > 0.0f);
1837 const char* word_wrap_eol = NULL;
1838
1839 const char* s = text_begin;
1840 while (s < text_end)
1841 {
1842 if (word_wrap_enabled)
1843 {
1844 // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
1845 if (!word_wrap_eol)
1846 {
1847 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width);
1848 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
1849 word_wrap_eol++; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below
1850 }
1851
1852 if (s >= word_wrap_eol)
1853 {
1854 if (text_size.x < line_width)
1855 text_size.x = line_width;
1856 text_size.y += line_height;
1857 line_width = 0.0f;
1858 word_wrap_eol = NULL;
1859
1860 // Wrapping skips upcoming blanks
1861 while (s < text_end)
1862 {
1863 const char c = *s;
1864 if (ImCharIsSpace(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
1865 }
1866 continue;
1867 }
1868 }
1869
1870 // Decode and advance source
1871 const char* prev_s = s;
1872 unsigned int c = (unsigned int)*s;
1873 if (c < 0x80)
1874 {
1875 s += 1;
1876 }
1877 else
1878 {
1879 s += ImTextCharFromUtf8(&c, s, text_end);
1880 if (c == 0)
1881 break;
1882 }
1883
1884 if (c < 32)
1885 {
1886 if (c == '\n')
1887 {
1888 text_size.x = ImMax(text_size.x, line_width);
1889 text_size.y += line_height;
1890 line_width = 0.0f;
1891 continue;
1892 }
1893 if (c == '\r')
1894 continue;
1895 }
1896
1897 const float char_width = ((int)c < IndexXAdvance.Size ? IndexXAdvance[(int)c] : FallbackXAdvance) * scale;
1898 if (line_width + char_width >= max_width)
1899 {
1900 s = prev_s;
1901 break;
1902 }
1903
1904 line_width += char_width;
1905 }
1906
1907 if (text_size.x < line_width)
1908 text_size.x = line_width;
1909
1910 if (line_width > 0 || text_size.y == 0.0f)
1911 text_size.y += line_height;
1912
1913 if (remaining)
1914 *remaining = s;
1915
1916 return text_size;
1917 }
1918
RenderText(float size,ImVec2 pos,ImU32 col,const ImVec4 & clip_rect,const char * text_begin,const char * text_end,ImDrawList * draw_list,float wrap_width,bool cpu_fine_clip) const1919 void ImFont::RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, ImDrawList* draw_list, float wrap_width, bool cpu_fine_clip) const
1920 {
1921 if (!text_end)
1922 text_end = text_begin + strlen(text_begin);
1923
1924 // Align to be pixel perfect
1925 pos.x = (float)(int)pos.x + DisplayOffset.x;
1926 pos.y = (float)(int)pos.y + DisplayOffset.y;
1927 float x = pos.x;
1928 float y = pos.y;
1929 if (y > clip_rect.w)
1930 return;
1931
1932 const float scale = size / FontSize;
1933 const float line_height = FontSize * scale;
1934 const bool word_wrap_enabled = (wrap_width > 0.0f);
1935 const char* word_wrap_eol = NULL;
1936
1937 ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
1938 ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
1939 unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx;
1940
1941 const char* s = text_begin;
1942 if (!word_wrap_enabled && y + line_height < clip_rect.y)
1943 while (s < text_end && *s != '\n') // Fast-forward to next line
1944 s++;
1945 while (s < text_end)
1946 {
1947 if (word_wrap_enabled)
1948 {
1949 // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
1950 if (!word_wrap_eol)
1951 {
1952 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x));
1953 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
1954 word_wrap_eol++; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below
1955 }
1956
1957 if (s >= word_wrap_eol)
1958 {
1959 x = pos.x;
1960 y += line_height;
1961 word_wrap_eol = NULL;
1962
1963 // Wrapping skips upcoming blanks
1964 while (s < text_end)
1965 {
1966 const char c = *s;
1967 if (ImCharIsSpace(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
1968 }
1969 continue;
1970 }
1971 }
1972
1973 // Decode and advance source
1974 unsigned int c = (unsigned int)*s;
1975 if (c < 0x80)
1976 {
1977 s += 1;
1978 }
1979 else
1980 {
1981 s += ImTextCharFromUtf8(&c, s, text_end);
1982 if (c == 0)
1983 break;
1984 }
1985
1986 if (c < 32)
1987 {
1988 if (c == '\n')
1989 {
1990 x = pos.x;
1991 y += line_height;
1992
1993 if (y > clip_rect.w)
1994 break;
1995 if (!word_wrap_enabled && y + line_height < clip_rect.y)
1996 while (s < text_end && *s != '\n') // Fast-forward to next line
1997 s++;
1998 continue;
1999 }
2000 if (c == '\r')
2001 continue;
2002 }
2003
2004 float char_width = 0.0f;
2005 if (const Glyph* glyph = FindGlyph((unsigned short)c))
2006 {
2007 char_width = glyph->XAdvance * scale;
2008
2009 // Arbitrarily assume that both space and tabs are empty glyphs as an optimization
2010 if (c != ' ' && c != '\t')
2011 {
2012 // We don't do a second finer clipping test on the Y axis as we've already skipped anything before clip_rect.y and exit once we pass clip_rect.w
2013 float y1 = (float)(y + glyph->Y0 * scale);
2014 float y2 = (float)(y + glyph->Y1 * scale);
2015
2016 float x1 = (float)(x + glyph->X0 * scale);
2017 float x2 = (float)(x + glyph->X1 * scale);
2018 if (x1 <= clip_rect.z && x2 >= clip_rect.x)
2019 {
2020 // Render a character
2021 float u1 = glyph->U0;
2022 float v1 = glyph->V0;
2023 float u2 = glyph->U1;
2024 float v2 = glyph->V1;
2025
2026 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
2027 if (cpu_fine_clip)
2028 {
2029 if (x1 < clip_rect.x)
2030 {
2031 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
2032 x1 = clip_rect.x;
2033 }
2034 if (y1 < clip_rect.y)
2035 {
2036 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
2037 y1 = clip_rect.y;
2038 }
2039 if (x2 > clip_rect.z)
2040 {
2041 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
2042 x2 = clip_rect.z;
2043 }
2044 if (y2 > clip_rect.w)
2045 {
2046 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
2047 y2 = clip_rect.w;
2048 }
2049 if (y1 >= y2)
2050 {
2051 x += char_width;
2052 continue;
2053 }
2054 }
2055
2056 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug build.
2057 // Inlined here:
2058 {
2059 idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
2060 idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3);
2061 vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1;
2062 vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1;
2063 vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2;
2064 vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2;
2065 vtx_write += 4;
2066 vtx_current_idx += 4;
2067 idx_write += 6;
2068 }
2069 }
2070 }
2071 }
2072
2073 x += char_width;
2074 }
2075
2076 draw_list->_VtxWritePtr = vtx_write;
2077 draw_list->_VtxCurrentIdx = vtx_current_idx;
2078 draw_list->_IdxWritePtr = idx_write;
2079 }
2080
2081 //-----------------------------------------------------------------------------
2082 // DEFAULT FONT DATA
2083 //-----------------------------------------------------------------------------
2084 // Compressed with stb_compress() then converted to a C array.
2085 // Use the program in extra_fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
2086 // Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
2087 //-----------------------------------------------------------------------------
2088
stb_decompress_length(unsigned char * input)2089 static unsigned int stb_decompress_length(unsigned char *input)
2090 {
2091 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
2092 }
2093
2094 static unsigned char *stb__barrier, *stb__barrier2, *stb__barrier3, *stb__barrier4;
2095 static unsigned char *stb__dout;
stb__match(unsigned char * data,unsigned int length)2096 static void stb__match(unsigned char *data, unsigned int length)
2097 {
2098 // INVERSE of memmove... write each byte before copying the next...
2099 IM_ASSERT (stb__dout + length <= stb__barrier);
2100 if (stb__dout + length > stb__barrier) { stb__dout += length; return; }
2101 if (data < stb__barrier4) { stb__dout = stb__barrier+1; return; }
2102 while (length--) *stb__dout++ = *data++;
2103 }
2104
stb__lit(unsigned char * data,unsigned int length)2105 static void stb__lit(unsigned char *data, unsigned int length)
2106 {
2107 IM_ASSERT (stb__dout + length <= stb__barrier);
2108 if (stb__dout + length > stb__barrier) { stb__dout += length; return; }
2109 if (data < stb__barrier2) { stb__dout = stb__barrier+1; return; }
2110 memcpy(stb__dout, data, length);
2111 stb__dout += length;
2112 }
2113
2114 #define stb__in2(x) ((i[x] << 8) + i[(x)+1])
2115 #define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
2116 #define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
2117
stb_decompress_token(unsigned char * i)2118 static unsigned char *stb_decompress_token(unsigned char *i)
2119 {
2120 if (*i >= 0x20) { // use fewer if's for cases that expand small
2121 if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2;
2122 else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3;
2123 else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
2124 } else { // more ifs for cases that expand large, since overhead is amortized
2125 if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4;
2126 else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
2127 else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
2128 else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
2129 else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5;
2130 else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
2131 }
2132 return i;
2133 }
2134
stb_adler32(unsigned int adler32,unsigned char * buffer,unsigned int buflen)2135 static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
2136 {
2137 const unsigned long ADLER_MOD = 65521;
2138 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
2139 unsigned long blocklen, i;
2140
2141 blocklen = buflen % 5552;
2142 while (buflen) {
2143 for (i=0; i + 7 < blocklen; i += 8) {
2144 s1 += buffer[0], s2 += s1;
2145 s1 += buffer[1], s2 += s1;
2146 s1 += buffer[2], s2 += s1;
2147 s1 += buffer[3], s2 += s1;
2148 s1 += buffer[4], s2 += s1;
2149 s1 += buffer[5], s2 += s1;
2150 s1 += buffer[6], s2 += s1;
2151 s1 += buffer[7], s2 += s1;
2152
2153 buffer += 8;
2154 }
2155
2156 for (; i < blocklen; ++i)
2157 s1 += *buffer++, s2 += s1;
2158
2159 s1 %= ADLER_MOD, s2 %= ADLER_MOD;
2160 buflen -= blocklen;
2161 blocklen = 5552;
2162 }
2163 return (unsigned int)(s2 << 16) + (unsigned int)s1;
2164 }
2165
stb_decompress(unsigned char * output,unsigned char * i,unsigned int length)2166 static unsigned int stb_decompress(unsigned char *output, unsigned char *i, unsigned int length)
2167 {
2168 unsigned int olen;
2169 if (stb__in4(0) != 0x57bC0000) return 0;
2170 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
2171 olen = stb_decompress_length(i);
2172 stb__barrier2 = i;
2173 stb__barrier3 = i+length;
2174 stb__barrier = output + olen;
2175 stb__barrier4 = output;
2176 i += 16;
2177
2178 stb__dout = output;
2179 for (;;) {
2180 unsigned char *old_i = i;
2181 i = stb_decompress_token(i);
2182 if (i == old_i) {
2183 if (*i == 0x05 && i[1] == 0xfa) {
2184 IM_ASSERT(stb__dout == output + olen);
2185 if (stb__dout != output + olen) return 0;
2186 if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2))
2187 return 0;
2188 return olen;
2189 } else {
2190 IM_ASSERT(0); /* NOTREACHED */
2191 return 0;
2192 }
2193 }
2194 IM_ASSERT(stb__dout <= output + olen);
2195 if (stb__dout > output + olen)
2196 return 0;
2197 }
2198 }
2199
2200 //-----------------------------------------------------------------------------
2201 // ProggyClean.ttf
2202 // Copyright (c) 2004, 2005 Tristan Grimmer
2203 // MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip)
2204 // Download and more information at http://upperbounds.net
2205 //-----------------------------------------------------------------------------
2206 // File: 'ProggyClean.ttf' (41208 bytes)
2207 // Exported using binary_to_compressed_c.cpp
2208 //-----------------------------------------------------------------------------
2209 static const char proggy_clean_ttf_compressed_data_base85[11980+1] =
2210 "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
2211 "2*>]b(MC;$jPfY.;h^`IWM9<Lh2TlS+f-s$o6Q<BWH`YiU.xfLq$N;$0iR/GX:U(jcW2p/W*q?-qmnUCI;jHSAiFWM.R*kU@C=GH?a9wp8f$e.-4^Qg1)Q-GL(lf(r/7GrRgwV%MS=C#"
2212 "`8ND>Qo#t'X#(v#Y9w0#1D$CIf;W'#pWUPXOuxXuU(H9M(1<q-UE31#^-V'8IRUo7Qf./L>=Ke$$'5F%)]0^#0X@U.a<r:QLtFsLcL6##lOj)#.Y5<-R&KgLwqJfLgN&;Q?gI^#DY2uL"
2213 "i@^rMl9t=cWq6##weg>$FBjVQTSDgEKnIS7EM9>ZY9w0#L;>>#Mx&4Mvt//L[MkA#W@lK.N'[0#7RL_&#w+F%HtG9M#XL`N&.,GM4Pg;-<nLENhvx>-VsM.M0rJfLH2eTM`*oJMHRC`N"
2214 "kfimM2J,W-jXS:)r0wK#@Fge$U>`w'N7G#$#fB#$E^$#:9:hk+eOe--6x)F7*E%?76%^GMHePW-Z5l'&GiF#$956:rS?dA#fiK:)Yr+`�j@'DbG&#^$PG.Ll+DNa<XCMKEV*N)LN/N"
2215 "*b=%Q6pia-Xg8I$<MR&,VdJe$<(7G;Ckl'&hF;;$<_=X(b.RS%%)###MPBuuE1V:v&cXm#(&cV]`k9OhLMbn%s$G2,B$BfD3X*sp5#l,$R#]x_X1xKX%b5U*[r5iMfUo9U`N99hG)"
2216 "tm+/Us9pG)XPu`<0s-)WTt(gCRxIg(%6sfh=ktMKn3j)<6<b5Sk_/0(^]AaN#(p/L>&VZ>1i%h1S9u5o@YaaW$e+b<TWFn/Z:Oh(Cx2$lNEoN^e)#CFY@@I;BOQ*sRwZtZxRcU7uW6CX"
2217 "ow0i(?$Q[cjOd[P4d)]>ROPOpxTO7Stwi1::iB1q)C_=dV26J;2,]7op$]uQr@_V7$q^%lQwtuHY]=DX,n3L#0PHDO4f9>dC@O>HBuKPpP*E,N+b3L#lpR/MrTEH.IAQk.a>D[.e;mc."
2218 "x]Ip.PH^'/aqUO/$1WxLoW0[iLA<QT;5HKD+@qQ'NQ(3_PLhE48R.qAPSwQ0/WK?Z,[x?-J;jQTWA0X@KJ(_Y8N-:/M74:/-ZpKrUss?d#dZq]DAbkU*JqkL+nwX@@47`5>w=4h(9.`G"
2219 "CRUxHPeR`5Mjol(dUWxZa(>STrPkrJiWx`5U7F#.g*jrohGg`cg:lSTvEY/EV_7H4Q9[Z%cnv;JQYZ5q.l7Zeas:HOIZOB?G<Nald$qs]@]L<J7bR*>gv:[7MI2k).'2($5FNP&EQ(,)"
2220 "U]W]+fh18.vsai00);D3@4ku5P?DP8aJt+;qUM]=+b'8@;mViBKx0DE[-auGl8:PJ&Dj+M6OC]O^((##]`0i)drT;-7X`=-H3[igUnPG-NZlo.#k@h#=Ork$m>a>$-?Tm$UV(?#P6YY#"
2221 "'/###xe7q.73rI3*pP/$1>s9)W,JrM7SN]'/4C#v$U`0#V.[0>xQsH$fEmPMgY2u7Kh(G%siIfLSoS+MK2eTM$=5,M8p`A.;_R%#u[K#$x4AG8.kK/HSB==-'Ie/QTtG?-.*^N-4B/ZM"
2222 "_3YlQC7(p7q)&](`6_c)$/*JL(L-^(]$wIM`dPtOdGA,U3:w2M-0<q-]L_?^)1vw'.,MRsqVr.L;aN&#/EgJ)PBc[-f>+WomX2u7lqM2iEumMTcsF?-aT=Z-97UEnXglEn1K-bnEO`gu"
2223 "Ft(c%=;Am_Qs@jLooI&NX;]0#j4#F14;gl8-GQpgwhrq8'=l_f-b49'UOqkLu7-##oDY2L(te+Mch&gLYtJ,MEtJfLh'x'M=$CS-ZZ%P]8bZ>#S?YY#%Q&q'3^Fw&?D)UDNrocM3A76/"
2224 "/oL?#h7gl85[qW/NDOk%16ij;+:1a'iNIdb-ou8.P*w,v5#EI$TWS>Pot-R*H'-SEpA:g)f+O$%%`kA#G=8RMmG1&O`>to8bC]T&$,n.LoO>29sp3dt-52U%VM#q7'DHpg+#Z9%H[K<L"
2225 "%a2E-grWVM3@2=-k22tL]4$##6We'8UJCKE[d_=%wI;'6X-GsLX4j^SgJ$##R*w,vP3wK#iiW&#*h^D&R?jp7+/u&#(AP##XU8c$fSYW-J95_-Dp[g9wcO&#M-h1OcJlc-*vpw0xUX&#"
2226 "OQFKNX@QI'IoPp7nb,QU//MQ&ZDkKP)X<WSVL(68uVl&#c'[0#(s1X&xm$Y%B7*K:eDA323j998GXbA#pwMs-jgD$9QISB-A_(aN4xoFM^@C58D0+Q+q3n0#3U1InDjF682-SjMXJK)("
2227 "h$hxua_K]ul92%'BOU&#BRRh-slg8KDlr:%L71Ka:.A;%YULjDPmL<LYs8i#XwJOYaKPKc1h:'9Ke,g)b),78=I39B;xiY$bgGw-&.Zi9InXDuYa%G*f2Bq7mn9^#p1vv%#(Wi-;/Z5h"
2228 "o;#2:;%d	v68C5g?ntX0X)pT`;%pB3q7mgGN)3%(P8nTd5L7GeA-GL@+%J3u2:(Yf>et`e;)f#Km8&+DC$I46>#Kr]]u-[=99tts1.qb#q72g1WJO81q+eN'03'eM>&1XxY-caEnO"
2229 "j%2n8)),?ILR5^.Ibn<-X-Mq7[a82Lq:F&#ce+S9wsCK*x`569E8ew'He]h:sI[2LM$[guka3ZRd6:t%IG:;$%YiJ:Nq=?eAw;/:nnDq0(CYcMpG)qLN4$##&J<j$UpK<Q4a1]MupW^-"
2230 "sj_$%[HK%'F####QRZJ::Y3EGl4'@%FkiAOg#p[##O`gukTfBHagL<LHw%q&OV0##F=6/:chIm0@eCP8X]:kFI%hl8hgO@RcBhS-@Qb$%+m=hPDLg*%K8ln(wcf3/'DW-$.lR?n[nCH-"
2231 "eXOONTJlh:.RYF%3'p6sq:UIMA945&^HFS87@$EP2iG<-lCO$%c`uKGD3rC$x0BL8aFn--`ke%#HMP'vh1/R&O_J9'um,.<tx[@%wsJk&bUT2`0uMv7gg#qp/ij.L56'hl;.s5CUrxjO"
2232 "M7-##.l+Au'A&O:-T72L]P`&=;ctp'XScX*rU.>-XTt,%OVU4)S1+R-#dg0/Nn?Ku1^0f$B*P:Rowwm-`0PKjYDDM'3]d39VZHEl4,.j']Pk-M.h^&:0FACm$maq-&sgw0t7/6(^xtk%"
2233 "LuH88Fj-ekm>GA#_>568x6(OFRl-IZp`&b,_P'$M<Jnq79VsJW/mWS*PUiq76;]/NM_>hLbxfc$mj`,O;&%W2m`Zh:/)Uetw:aJ%]K9h:TcF]u_-Sj9,VK3M.*'&0D[Ca]J9gp8,kAW]"
2234 "%(?A%R$f<->Zts'^kn=-^@c4%-pY6qI%J%1IGxfLU9CP8cbPlXv);C=b),<2mOvP8up,UVf3839acAWAW-W?#ao/^#%KYo8fRULNd2.>%m]UK:n%r$'sw]J;5pAoO_#2mO3n,'=H5(et"
2235 "Hg*`+RLgv>=4U8guD$I%D:W>-r5V*%j*W:Kvej.Lp$<M-SGZ':+Q_k+uvOSLiEo(<aD/K<CCc`'Lx>'?;++O'>()jLR-^u68PHm8ZFWe+ej8h:9r6L*0//c&iH&R8pRbA#Kjm%upV1g:"
2236 "a_#Ur7FuA#(tRh#.Y5K+@?3<-8m0$PEn;J:rh6?I6uG<-`wMU'ircp0LaE_OtlMb&1#6T.#FDKu#1Lw%u%+GM+X'e?YLfjM[VO0MbuFp7;>Q&#WIo)0@F%q7c#4XAXN-U&VB<HFF*qL("
2237 "$/V,;(kXZejWO`<[5??ewY(*9=%wDc;,u<'9t3W-(H1th3+G]ucQ]kLs7df($/*JL]@*t7Bu_G3_7mp7<iaQjO@.kLg;x3B0lqp7Hf,^Ze7-##@/c58Mo(3;knp0%)A7?-W+eI'o8)b<"
2238 "nKnw'Ho8C=Y>pqB>0ie&jhZ[?iLR@@_AvA-iQC(=ksRZRVp7`.=+NpBC%rh&3]R:8XDmE5^V8O(x<<aG/1N$#FX$0V5Y6x'aErI3I$7x%E`v<-BY,)%-?Psf*l?%C3.mM(=/M0:JxG'?"
2239 "7WhH%o'a<-80g0NBxoO(GH<dM]n.+%q@jH?f.UsJ2Ggs&4<-e47&Kl+f//9@`b+?.TeN_&B8Ss?v;^Trk;f#YvJkl&w$]>-+k?'(<S:68tq*WoDfZu';mM?8X[ma8W%*`-=;D.(nc7/;"
2240 ")g:T1=^J$&BRV(-lTmNB6xqB[@0*o.erM*<SWF]u2=st-*(6v>^](H.aREZSi,#1:[IXaZFOm<-ui#qUq2$##Ri;u75OK#(RtaW-K-F`S+cF]uN`-KMQ%rP/Xri.LRcB##=YL3BgM/3M"
2241 "D?@f&1'BW-)Ju<L25gl8uhVm1hL$##*8###'A3/LkKW+(^rWX?5W_8g)a(m&K8P>#bmmWCMkk&#TR`C,5d>g)F;t,4:@_l8G/5h4vUd%&%950:VXD'QdWoY-F$BtUwmfe$YqL'8(PWX("
2242 "P?^@Po3$##`MSs?DWBZ/S>+4%>fX,VWv/w'KD`LP5IbH;rTV>n3cEK8U#bX]l-/V+^lj3;vlMb&[5YQ8#pekX9JP3XUC72L,,?+Ni&co7ApnO*5NK,((W-i:$,kp'UDAO(G0Sq7MVjJs"
2243 "bIu)'Z,*[>br5fX^:FPAWr-m2KgL<LUN098kTF&#lvo58=/vjDo;.;)Ka*hLR#/k=rKbxuV`>Q_nN6'8uTGT5g)uLv:873UpTLgH+#FgpH'_o1780Ph8KmxQJ8#H72L4@768@Tm&Q"
2244 "h4CB/5OvmA&,Q&QbUoi$a_%3M01H)4x7I^&KQVgtFnV+;[Pc>[m4k//,]1?#`VY[Jr*3&&slRfLiVZJ:]?=K3Sw=[$=uRB?3xk48@aeg<Z'<$#4H)6,>e0jT6'N#(q%.O=?2S]u*(m<-"
2245 "V8J'(1)G][68hW$5'q[GC&5j`TE?m'esFGNRM)j,ffZ?-qx8;->g4t*:CIP/[Qap7/9'#(1sao7w-.qNUdkJ)tCF&#B^;xGvn2r9FEPFFFcL@.iFNkTve$m%#QvQS8U@)2Z+3K:AKM5i"
2246 "sZ88+dKQ)W6>J%CL<KE>`.d*(B`-n8D9oK<Up]c$X$(,)M8Zt7/[rdkqTgl-0cuGMv'?>-XV1q['-5k'cAZ69e;D_?$ZPP&s^+7])$*$#@QYi9,5P	r+$%CE=68>K8r0=dSC%%(@p7"
2247 ".m7jilQ02'0-VWAg<a/''3u.=4L$Y)6k/K:_[3=&jvL<L0C/2'v:^;-DIBW,B4E68:kZ;%?8(Q8BH=kO65BW?xSG&#@uU,DS*,?.+(o(#1vCS8#CHF>TlGW'b)Tq7VT9q^*^$$.:&N@@"
2248 "$&)WHtPm*5_rO0&e%K&#-30j(E4#'Zb.o/(Tpm$>K'f@[PvFl,hfINTNU6u'0pao7%XUp9]5.>%h`8_=VYbxuel.NTSsJfLacFu3B'lQSu/m6-Oqem8T+oE--$0a/k]uj9EwsG>%veR*"
2249 "hv^BFpQj:K'#SJ,sB-'#](j.Lg92rTw-*n%@/;39rrJF,l#qV%OrtBeC6/,;qB3ebNW[?,Hqj2L.1NP&GjUR=1D8QaS3Up&@*9wP?+lo7b?@%'k4`p0Z$22%K3+iCZj?XJN4Nm&+YF]u"
2250 "@-W$U%VEQ/,,>>#)D<h#`)h0:<Q6909ua+&VU%n2:cG3FJ-%@Bj-DgLr`Hw&HAKjKjseK</xKT*)B,N9X3]krc12t'pgTV(Lv-tL[xg_%=M_q7a^x?7Ubd>#%8cY#YZ?=,`Wdxu/ae&#"
2251 "w6)R89tI#6@s'(6Bf7a&?S=^ZI_kS&ai`&=tE72L_D,;^R)7[$s<Eh#c&)q.MXI%#v9ROa5FZO%sF7q7Nwb&#ptUJ:aqJe$Sl68%.D###EC><?-aF&#RNQv>o8lKN%5/$(vdfq7+ebA#"
2252 "u1p]ovUKW&Y%q]'>$1@-[xfn$7ZTp7mM,G,Ko7a&Gu%G[RMxJs[0MM%wci.LFDK)(<c`Q8N)jEIF*+?P2a8g%)$q]o2aH8C&<SibC/q,(e:v;-b#6[$NtDZ84Je2KNvB#$P5?tQ3nt(0"
2253 "d=j.LQf./Ll33+(;q3L-w=8dX$#WF&uIJ@-bfI>%:_i2B5CsR8&9Z&#=mPEnm0f`<&c)QL5uJ#%u%lJj+D-r;BoFDoS97h5g)E#o:&S4weDF,9^Hoe`h*L+_a*NrLW-1pG_&2UdB8"
2254 "6e%B/:=>)N4xeW.*wft-;$'58-ESqr<b?UI(_%@[P46>#U`'6AQ]m&6/`Z>#S?YY#Vc;r7U2&326d=w&H####?TZ`*4?&.MK?LP8Vxg>$[QXc%QJv92.(Db*B)gb*BM9dM*hJMAo*c&#"
2255 "b0v=Pjer]$gG&JXDf->'StvU7505l9$AFvgYRI^&<^b68?j#q9QX4SM'RO#&sL1IM.rJfLUAj221]d##DW=m83u5;'bYx,*Sl0hL(W;;$doB&O/TQ:(Z^xBdLjL<Lni;''X.`$#8+1GD"
2256 ":k$YUWsbn8ogh6rxZ2Z9]%nd+>V#*8U_72Lh+2Q8Cj0i:6hp&$C/:p(HK>T8Y[gHQ4`4)'$Ab(Nof%V'8hL&#<NEdtg(n'=S1A(Q1/I&4([%dM`,Iu'1:_hL>SfD07&6D<fp8dHM7/g+"
2257 "tlPN9J*rKaPct&?'uBCem^jn%9_K)<,C5K3s=5g&GmJb*[SYq7K;TRLGCsM-$$;S%:Y@r7AK0pprpL<Lrh,q7e/%KWK:50I^+m'vi`3?%Zp+<-d+$L-Sv:@.o19n$s0&39;kn;S%BSq*"
2258 "$3WoJSCLweV[aZ'MQIjO<7;X-X;&+dMLvu#^UsGEC9WEc[X(wI7#2.(F0jV*eZf<-Qv3J-c+J5AlrB#$p(H68LvEA'q3n0#m,[`*8Ft)FcYgEud]CWfm68,(aLA$@EFTgLXoBq/UPlp7"
2259 ":d[/;r_ix=:TF`S5H-b<LI&HY(K=h#)]Lk$K14lVfm:x$H<3^Ql<M`$OhapBnkup'D#L$Pb_`N*g]2e;X/Dtg,bsj&K#2[-:iYr'_wgH)NUIR8a1n#S?Yej'h8^58UbZd+^FKD*T@;6A"
2260 "7aQC[K8d-(v6GI$x:T<&'Gp5Uf>@M.*J:;$-rv29'M]8qMv-tLp,'886iaC=Hb*YJoKJ,(j%K=H`K.v9HggqBIiZu'QvBT.#=)0ukruV&.)3=(^1`o*Pj4<-<aN((^7('#Z0wK#5GX@7"
2261 "u][`*S^43933A4rl][`*O4CgLEl]v$1Q3AeF37dbXk,.)vj#x'd`;qgbQR%FW,2(?LO=s%Sc68%NP'##Aotl8x=BE#j1UD([3$M(]UI2LX3RpKN@;/#f'f/&_mt&F)XdF<9t4)Qa.*kT"
2262 "LwQ'(TTB9.xH'>#MJ+gLq9-##@HuZPN0]u:h7.T..G:;$/Usj(T7`Q8tT72LnYl<-qx8;-HV7Q-&Xdx%1a,hC=0u+HlsV>nuIQL-5<N?)NBS)QN*_I,?&)2'IM%L3I)X((e/dl2&8'<M"
2263 ":^#M*Q+[T.Xri.LYS3v%fF`68h;b-X[/En'CR.q7E)p'/kle2HM,u;^%OKC-N+Ll%F9CF<Nf'^#t2L,;27W:0O@6##U6W7:$rJfLWHj$#)woqBefIZ.PK<b*t7ed;p*_m;4ExK#h@&]>"
2264 "_>@kXQtMacfD.m-VAb8;IReM3$wf0''hra*so568'Ip&vRs849'MRYSp%:t:h5qSgwpEr$B>Q,;s(C#$)`svQuF$##-D,##,g68@2[T;.XSdN9Qe)rpt._K-#5wF)sP'##p#C0c%-Gb%"
2265 "hd+<-j'Ai*x&&HMkT]C'OSl##5RG[JXaHN;d'uA#x._U;.`PU@(Z3dt4r152@:v,'R.Sj'w#0<-;kPI)FfJ&#AYJ&#//)>-k=m=*XnK$>=)72L]0I%>.G690a:$##<,);?;72#?x9+d;"
2266 "^V'9;jY@;)br#q^YQpx:X#Te$Z^'=-=bGhLf:D6&bNwZ9-ZD#n^9HhLMr5G;']d&6'wYmTFmL<LD)F^%[tC'8;+9E#C$g%#5Y>q9wI>P(9mI[>kC-ekLC/R&CH+s'B;K-M6$EB%is00:"
2267 "+A4[7xks.LrNk0&E)wILYF@2L'0Nb$+pv<(2.768/FrY&h$^3i&@+G%JT'<-,v`3;_)I9M^AE]CN?Cl2AZg+%4iTpT3<n-&%H%b<FDj2M<hH=&Eh<2Len$b*aTX=-8QxN)k11IM1c^j%"
2268 "9s<L<NFSo)B?+<-(GxsF,^-Eh@$4dXhN$+#rxK8'je'D7k`e;)2pYwPA'_p9&@^18ml1^[@g4t*[JOa*[=Qp7(qJ_oOL^('7fB&Hq-:sf,sNj8xq^>$U4O]GKx'm9)b@p7YsvK3w^YR-"
2269 "CdQ*:Ir<($u&)#(&?L9Rg3H)4fiEp^iI9O8KnTj,]H?D*r7'M;PwZ9K0E^k&-cpI;.p/6_vwoFMV<->#%Xi.LxVnrU(4&8/P+:hLSKj$#U%]49t'I:rgMi'FL@a:0Y-uA[39',(vbma*"
2270 "hU%<-SRF`Tt:542R_VV$p@[p8DV[A,?1839FWdF<TddF<9Ah-6&9tWoDlh]&1SpGMq>Ti1O*H&#(AL8[_P%.M>v^-))qOT*F5Cq0`Ye%+$B6i:7@0IX<N+T+0MlMBPQ*Vj>SsD<U4JHY"
2271 "8kD2)2fU/M#$e.)T4,_=8hLim[&);?UkK'-x?'(:siIfL<$pFM`i<?%W(mGDHM%>iWP,##P`%/L<eXi:@Z9C.7o=@(pXdAO/NLQ8lPl+HPOQa8wD8=^GlPa8TKI1CjhsCTSLJM'/Wl>-"
2272 "S(qw%sf/@%#B6;/U7K]uZbi^Oc^2n<bhPmUkMw>%t<)'mEVE''n`WnJra$^TKvX5B>;_aSEK',(hwa0:i4G?.Bci.(X[?b*($,=-n<.Q%`(X=?+@Am*Js0&=3bh8K]mL<LoNs'6,'85`"
2273 "0?t/'_U59@]ddF<#LdF<eWdF<OuN/45rY<-L@&#+fm>69=Lb,OcZV/);TTm8VI;?%OtJ<(b4mq7M6:u?KRdF<gR@2L=FNU-<b[(9c/ML3m;Z[$oF3g)GAWqpARc=<ROu7cL5l;-[A]%/"
2274 "+fsd;l#SafT/f*W]0=O'$(Tb<[)*@e775R-:Yob%g*>l*:xP?Yb.5)%w_I?7uk5JC+FS(m#i'k.'a0i)9<7b'fs'59hq$*5Uhv##pi^8+hIEBF`nvo`;'l0.^S1<-wUK2/Coh58KKhLj"
2275 "M=SO*rfO`+qC`W-On.=AJ56>>i2@2LH6A:&5q`?9I3@@'04&p2/LVa*T-4<-i3;M9UvZd+N7>b*eIwg:CC)c<>nO&#<IGe;__.thjZl<%w(Wk2xmp4Q@I#I9,DF]u7-P=.-_:YJ]aS@V"
2276 "?6*C()dOp7:WL,b&3Rg/.cmM9&r^>$(>.Z-I&J(Q0Hd5Q%7Co-b`-c<N(6r@ip+AurK<m86QIth*#v;-OBqi+L7wDE-Ir8K['m+DDSLwK&/.?-V%U_%3:qKNu$_b*B-kp7NaD'QdWQPK"
2277 "Yq[@>P)hI;*_F]u`Rb[.j8_Q/<&>uu+VsH$sM9TA%?)(vmJ80),P7E>)tjD%2L=-t#fK[%`v=Q8<FfNkgg^oIbah*#8/Qt$F&:K*-(N/'+1vMB,u()-a.VUU*#[e%gAAO(S>WlA2);Sa"
2278 ">gXm8YB`1d@K#n]76-a$U,mF<fX]idqd)<3,]J7JmW4`6]uks=4-72L(jEk+:bJ0M^q-8Dm_Z?0olP1C9Sa&H[d&c$ooQUj]Exd*3ZM@-WGW2%s',B-_M%>%Ul:#/'xoFM9QX-$.QN'>"
2279 "[%$Z$uF6pA6Ki2O5:8w*vP1<-1`[G,)-m#>0`P&#eb#.3i)rtB61(o'$?X3B</R90;eZ]%Ncq;-Tl]#F>2Qft^ae_5tKL9MUe9b*sLEQ95C&`=G?@Mj=wh*'3E>=-<)Gt*Iw)'QG:`@I"
2280 "wOf7&]1i'S01B+Ev/Nac#9S;=;YQpg_6U`*kVY39xK,[/6Aj7:'1Bm-_1EYfa1+o&o4hp7KN_Q(OlIo@S%;jVdn0'1<Vc52=u`3^o-n1'g4v58Hj&6_t7$##?M)c<$bgQ_'SY((-xkA#"
2281 "Y(,p'H9rIVY-b,'%bCPF7.J<Up^,(dU1VY*5#WkTU>h19w,WQhLI)3S#f$2(eb,jr*b;3Vw]*7NH%$c4Vs,eD9>XW8?N]o+(*pgC%/72LV-u<Hp,3@e^9UB1J+ak9-TN/mhKPg+AJYd$"
2282 "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)"
2283 "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo"
2284 "1*c-(aY168o<`JsSbk-,1N;$>0:OUas(3:8Z972LSfF8eb=c-;>SPw7.6hn3m`9^Xkn(r.qS[0;T%&Qc=+STRxX'q1BNk3&*eu2;&8q$&x>Q#Q7^Tf+6<(d%ZVmj2bDi%.3L2n+4W'$P"
2285 "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO"
2286 "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#"
2287 ";u.T%fAr%4tJ8&><1=GHZ_+m9/#H1F^R#SC#*N=BA9(D?v[UiFY>>^8p,KKF.W]L29uLkLlu/+4T<XoIB&hx=T1PcDaB&;HH+-AFr?(m9HZV)FKS8JCw;SD=6[^/DZUL`EUDf]GGlG&>"
2288 "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#"
2289 "d<F&#*;G##.GY##2Sl##6`($#:l:$#>xL$#B.`$#F:r$#JF.%#NR@%#R_R%#Vke%#Zww%#_-4^Rh%Sflr-k'MS.o?.5/sWel/wpEM0%3'/1)K^f1-d>G21&v(35>V`39V7A4=onx4"
2290 "A1OY5EI0;6Ibgr6M$HS7Q<)58C5w,;WoA*#[%T*#`1g*#d=#+#hI5+#lUG+#pbY+#tnl+#x$),#&1;,#*=M,#.I`,#2Ur,#6b.-#;w[H#iQtA#m^0B#qjBB#uvTB##-hB#'9$C#+E6C#"
2291 "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#"
2292 "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#"
2293 "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP"
2294 "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
2295 "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
2296
GetDefaultCompressedFontDataTTFBase85()2297 static const char* GetDefaultCompressedFontDataTTFBase85()
2298 {
2299 return proggy_clean_ttf_compressed_data_base85;
2300 }
2301