1 /*
2 * Nuklear - 1.40.8 - public domain
3 * no warrenty implied; use at your own risk.
4 * authored from 2015-2017 by Micha Mettke
5 */
6 /*
7 * ==============================================================
8 *
9 * API
10 *
11 * ===============================================================
12 */
13 #ifndef NK_GDIP_H_
14 #define NK_GDIP_H_
15
16 #define WIN32_LEAN_AND_MEAN
17 #include <windows.h>
18 #include <shlwapi.h>
19
20 /* font */
21 typedef struct GdipFont GdipFont;
22 NK_API GdipFont* nk_gdipfont_create(const char *name, int size);
23 NK_API GdipFont* nk_gdipfont_create_from_file(const WCHAR* filename, int size);
24 NK_API GdipFont* nk_gdipfont_create_from_memory(const void* membuf, int membufSize, int size);
25 NK_API void nk_gdipfont_del(GdipFont *font);
26
27 NK_API struct nk_context* nk_gdip_init(HWND hwnd, unsigned int width, unsigned int height);
28 NK_API void nk_gdip_set_font(GdipFont *font);
29 NK_API int nk_gdip_handle_event(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam);
30 NK_API void nk_gdip_render(enum nk_anti_aliasing AA, struct nk_color clear);
31 NK_API void nk_gdip_shutdown(void);
32
33 /* image */
34 NK_API struct nk_image nk_gdip_load_image_from_file(const WCHAR* filename);
35 NK_API struct nk_image nk_gdip_load_image_from_memory(const void* membuf, nk_uint membufSize);
36 NK_API void nk_gdip_image_free(struct nk_image image);
37
38 #endif
39 /*
40 * ==============================================================
41 *
42 * IMPLEMENTATION
43 *
44 * ===============================================================
45 */
46 #ifdef NK_GDIP_IMPLEMENTATION
47
48 #include <stdlib.h>
49 #include <malloc.h>
50 #define _USE_MATH_DEFINES
51 #include <math.h>
52
53 /* manually declare everything GDI+ needs, because
54 GDI+ headers are not usable from C */
55 #define WINGDIPAPI __stdcall
56 #define GDIPCONST const
57
58 typedef struct GpGraphics GpGraphics;
59 typedef struct GpImage GpImage;
60 typedef struct GpPen GpPen;
61 typedef struct GpBrush GpBrush;
62 typedef struct GpStringFormat GpStringFormat;
63 typedef struct GpFont GpFont;
64 typedef struct GpFontFamily GpFontFamily;
65 typedef struct GpFontCollection GpFontCollection;
66
67 typedef GpImage GpBitmap;
68 typedef GpBrush GpSolidFill;
69
70 typedef int Status;
71 typedef Status GpStatus;
72
73 typedef float REAL;
74 typedef DWORD ARGB;
75 typedef POINT GpPoint;
76
77 typedef enum {
78 TextRenderingHintSystemDefault = 0,
79 TextRenderingHintSingleBitPerPixelGridFit = 1,
80 TextRenderingHintSingleBitPerPixel = 2,
81 TextRenderingHintAntiAliasGridFit = 3,
82 TextRenderingHintAntiAlias = 4,
83 TextRenderingHintClearTypeGridFit = 5
84 } TextRenderingHint;
85
86 typedef enum {
87 StringFormatFlagsDirectionRightToLeft = 0x00000001,
88 StringFormatFlagsDirectionVertical = 0x00000002,
89 StringFormatFlagsNoFitBlackBox = 0x00000004,
90 StringFormatFlagsDisplayFormatControl = 0x00000020,
91 StringFormatFlagsNoFontFallback = 0x00000400,
92 StringFormatFlagsMeasureTrailingSpaces = 0x00000800,
93 StringFormatFlagsNoWrap = 0x00001000,
94 StringFormatFlagsLineLimit = 0x00002000,
95 StringFormatFlagsNoClip = 0x00004000
96 } StringFormatFlags;
97
98 typedef enum
99 {
100 QualityModeInvalid = -1,
101 QualityModeDefault = 0,
102 QualityModeLow = 1,
103 QualityModeHigh = 2
104 } QualityMode;
105
106 typedef enum
107 {
108 SmoothingModeInvalid = QualityModeInvalid,
109 SmoothingModeDefault = QualityModeDefault,
110 SmoothingModeHighSpeed = QualityModeLow,
111 SmoothingModeHighQuality = QualityModeHigh,
112 SmoothingModeNone,
113 SmoothingModeAntiAlias,
114 SmoothingModeAntiAlias8x4 = SmoothingModeAntiAlias,
115 SmoothingModeAntiAlias8x8
116 } SmoothingMode;
117
118 typedef enum
119 {
120 FontStyleRegular = 0,
121 FontStyleBold = 1,
122 FontStyleItalic = 2,
123 FontStyleBoldItalic = 3,
124 FontStyleUnderline = 4,
125 FontStyleStrikeout = 8
126 } FontStyle;
127
128 typedef enum {
129 FillModeAlternate,
130 FillModeWinding
131 } FillMode;
132
133 typedef enum {
134 CombineModeReplace,
135 CombineModeIntersect,
136 CombineModeUnion,
137 CombineModeXor,
138 CombineModeExclude,
139 CombineModeComplement
140 } CombineMode;
141
142 typedef enum {
143 UnitWorld,
144 UnitDisplay,
145 UnitPixel,
146 UnitPoint,
147 UnitInch,
148 UnitDocument,
149 UnitMillimeter
150 } Unit;
151
152 typedef struct {
153 FLOAT X;
154 FLOAT Y;
155 FLOAT Width;
156 FLOAT Height;
157 } RectF;
158
159 typedef enum {
160 DebugEventLevelFatal,
161 DebugEventLevelWarning
162 } DebugEventLevel;
163
164 typedef VOID (WINAPI *DebugEventProc)(DebugEventLevel level, CHAR *message);
165
166 typedef struct {
167 UINT32 GdiplusVersion;
168 DebugEventProc DebugEventCallback;
169 BOOL SuppressBackgroundThread;
170 BOOL SuppressExternalCodecs;
171 } GdiplusStartupInput;
172
173 typedef Status (WINAPI *NotificationHookProc)(OUT ULONG_PTR *token);
174 typedef VOID (WINAPI *NotificationUnhookProc)(ULONG_PTR token);
175
176 typedef struct {
177 NotificationHookProc NotificationHook;
178 NotificationUnhookProc NotificationUnhook;
179 } GdiplusStartupOutput;
180
181 /* startup & shutdown */
182
183 Status WINAPI GdiplusStartup(
184 OUT ULONG_PTR *token,
185 const GdiplusStartupInput *input,
186 OUT GdiplusStartupOutput *output);
187
188 VOID WINAPI GdiplusShutdown(ULONG_PTR token);
189
190 /* image */
191
192 GpStatus WINGDIPAPI
193 GdipCreateBitmapFromGraphics(INT width,
194 INT height,
195 GpGraphics* target,
196 GpBitmap** bitmap);
197
198 GpStatus WINGDIPAPI
199 GdipDisposeImage(GpImage *image);
200
201 GpStatus WINGDIPAPI
202 GdipGetImageGraphicsContext(GpImage *image, GpGraphics **graphics);
203
204 GpStatus WINGDIPAPI
205 GdipGetImageWidth(GpImage *image, UINT *width);
206
207 GpStatus WINGDIPAPI
208 GdipGetImageHeight(GpImage *image, UINT *height);
209
210 GpStatus WINGDIPAPI
211 GdipLoadImageFromFile(GDIPCONST WCHAR* filename, GpImage **image);
212
213 GpStatus WINGDIPAPI
214 GdipLoadImageFromStream(IStream* stream, GpImage **image);
215
216 /* pen */
217
218 GpStatus WINGDIPAPI
219 GdipCreatePen1(ARGB color, REAL width, Unit unit, GpPen **pen);
220
221 GpStatus WINGDIPAPI
222 GdipDeletePen(GpPen *pen);
223
224 GpStatus WINGDIPAPI
225 GdipSetPenWidth(GpPen *pen, REAL width);
226
227 GpStatus WINGDIPAPI
228 GdipSetPenColor(GpPen *pen, ARGB argb);
229
230 /* brush */
231
232 GpStatus WINGDIPAPI
233 GdipCreateSolidFill(ARGB color, GpSolidFill **brush);
234
235 GpStatus WINGDIPAPI
236 GdipDeleteBrush(GpBrush *brush);
237
238 GpStatus WINGDIPAPI
239 GdipSetSolidFillColor(GpSolidFill *brush, ARGB color);
240
241 /* font */
242
243 GpStatus WINGDIPAPI
244 GdipCreateFont(
245 GDIPCONST GpFontFamily *fontFamily,
246 REAL emSize,
247 INT style,
248 Unit unit,
249 GpFont **font
250 );
251
252 GpStatus WINGDIPAPI
253 GdipDeleteFont(GpFont* font);
254
255 GpStatus WINGDIPAPI
256 GdipGetFontSize(GpFont *font, REAL *size);
257
258 GpStatus WINGDIPAPI
259 GdipCreateFontFamilyFromName(GDIPCONST WCHAR *name,
260 GpFontCollection *fontCollection,
261 GpFontFamily **fontFamily);
262
263 GpStatus WINGDIPAPI
264 GdipDeleteFontFamily(GpFontFamily *fontFamily);
265
266 GpStatus WINGDIPAPI
267 GdipStringFormatGetGenericTypographic(GpStringFormat **format);
268
269 GpStatus WINGDIPAPI
270 GdipSetStringFormatFlags(GpStringFormat *format, INT flags);
271
272 GpStatus WINGDIPAPI
273 GdipDeleteStringFormat(GpStringFormat *format);
274
275 GpStatus WINGDIPAPI
276 GdipPrivateAddMemoryFont(GpFontCollection* fontCollection,
277 GDIPCONST void* memory, INT length);
278
279 GpStatus WINGDIPAPI
280 GdipPrivateAddFontFile(GpFontCollection* fontCollection,
281 GDIPCONST WCHAR* filename);
282
283 GpStatus WINGDIPAPI
284 GdipNewPrivateFontCollection(GpFontCollection** fontCollection);
285
286 GpStatus WINGDIPAPI
287 GdipDeletePrivateFontCollection(GpFontCollection** fontCollection);
288
289 GpStatus WINGDIPAPI
290 GdipGetFontCollectionFamilyList(GpFontCollection* fontCollection,
291 INT numSought, GpFontFamily* gpfamilies[], INT* numFound);
292
293 GpStatus WINGDIPAPI
294 GdipGetFontCollectionFamilyCount(GpFontCollection* fontCollection, INT* numFound);
295
296
297 /* graphics */
298
299
300 GpStatus WINGDIPAPI
301 GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics);
302
303 GpStatus WINGDIPAPI
304 GdipCreateFromHDC(HDC hdc, GpGraphics **graphics);
305
306 GpStatus WINGDIPAPI
307 GdipDeleteGraphics(GpGraphics *graphics);
308
309 GpStatus WINGDIPAPI
310 GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode smoothingMode);
311
312 GpStatus WINGDIPAPI
313 GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
314 INT width, INT height, CombineMode combineMode);
315
316 GpStatus WINGDIPAPI
317 GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1, INT y1,
318 INT x2, INT y2);
319
320 GpStatus WINGDIPAPI
321 GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x, INT y,
322 INT width, INT height, REAL startAngle, REAL sweepAngle);
323
324 GpStatus WINGDIPAPI
325 GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x, INT y,
326 INT width, INT height, REAL startAngle, REAL sweepAngle);
327
328 GpStatus WINGDIPAPI
329 GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x, INT y,
330 INT width, INT height, REAL startAngle, REAL sweepAngle);
331
332 GpStatus WINGDIPAPI
333 GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x, INT y,
334 INT width, INT height);
335
336 GpStatus WINGDIPAPI
337 GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush, INT x, INT y,
338 INT width, INT height);
339
340 GpStatus WINGDIPAPI
341 GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
342 GDIPCONST GpPoint *points, INT count, FillMode fillMode);
343
344 GpStatus WINGDIPAPI
345 GdipDrawPolygonI(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPoint *points,
346 INT count);
347
348 GpStatus WINGDIPAPI
349 GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x, INT y,
350 INT width, INT height);
351
352 GpStatus WINGDIPAPI
353 GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x, INT y,
354 INT width, INT height);
355
356 GpStatus WINGDIPAPI
357 GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1, INT y1,
358 INT x2, INT y2, INT x3, INT y3, INT x4, INT y4);
359
360 GpStatus WINGDIPAPI
361 GdipDrawString(
362 GpGraphics *graphics,
363 GDIPCONST WCHAR *string,
364 INT length,
365 GDIPCONST GpFont *font,
366 GDIPCONST RectF *layoutRect,
367 GDIPCONST GpStringFormat *stringFormat,
368 GDIPCONST GpBrush *brush
369 );
370
371 GpStatus WINGDIPAPI
372 GdipGraphicsClear(GpGraphics *graphics, ARGB color);
373
374 GpStatus WINGDIPAPI
375 GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x, INT y);
376
377 GpStatus WINGDIPAPI
378 GdipDrawImageRectI(GpGraphics *graphics, GpImage *image, INT x, INT y,
379 INT width, INT height);
380
381 GpStatus WINGDIPAPI
382 GdipMeasureString(
383 GpGraphics *graphics,
384 GDIPCONST WCHAR *string,
385 INT length,
386 GDIPCONST GpFont *font,
387 GDIPCONST RectF *layoutRect,
388 GDIPCONST GpStringFormat *stringFormat,
389 RectF *boundingBox,
390 INT *codepointsFitted,
391 INT *linesFilled
392 );
393
394 GpStatus WINGDIPAPI
395 GdipSetTextRenderingHint(GpGraphics *graphics, TextRenderingHint mode);
396
397 LWSTDAPI_(IStream *) SHCreateMemStream(const BYTE *pInit, _In_ UINT cbInit);
398
399 struct GdipFont
400 {
401 struct nk_user_font nk;
402 GpFont* handle;
403 };
404
405 static struct {
406 ULONG_PTR token;
407
408 GpGraphics *window;
409 GpGraphics *memory;
410 GpImage *bitmap;
411 GpPen *pen;
412 GpSolidFill *brush;
413 GpStringFormat *format;
414 GpFontCollection *fontCollection[10];
415 INT curFontCollection;
416
417 struct nk_context ctx;
418 } gdip;
419
convert_color(struct nk_color c)420 static ARGB convert_color(struct nk_color c)
421 {
422 return (c.a << 24) | (c.r << 16) | (c.g << 8) | c.b;
423 }
424
425 static void
nk_gdip_scissor(float x,float y,float w,float h)426 nk_gdip_scissor(float x, float y, float w, float h)
427 {
428 GdipSetClipRectI(gdip.memory, (INT)x, (INT)y, (INT)(w + 1), (INT)(h + 1), CombineModeReplace);
429 }
430
431 static void
nk_gdip_stroke_line(short x0,short y0,short x1,short y1,unsigned int line_thickness,struct nk_color col)432 nk_gdip_stroke_line(short x0, short y0, short x1,
433 short y1, unsigned int line_thickness, struct nk_color col)
434 {
435 GdipSetPenWidth(gdip.pen, (REAL)line_thickness);
436 GdipSetPenColor(gdip.pen, convert_color(col));
437 GdipDrawLineI(gdip.memory, gdip.pen, x0, y0, x1, y1);
438 }
439
440 static void
nk_gdip_stroke_rect(short x,short y,unsigned short w,unsigned short h,unsigned short r,unsigned short line_thickness,struct nk_color col)441 nk_gdip_stroke_rect(short x, short y, unsigned short w,
442 unsigned short h, unsigned short r, unsigned short line_thickness, struct nk_color col)
443 {
444 GdipSetPenWidth(gdip.pen, (REAL)line_thickness);
445 GdipSetPenColor(gdip.pen, convert_color(col));
446 if (r == 0) {
447 GdipDrawRectangleI(gdip.memory, gdip.pen, x, y, w, h);
448 } else {
449 INT d = 2 * r;
450 GdipDrawArcI(gdip.memory, gdip.pen, x, y, d, d, 180, 90);
451 GdipDrawLineI(gdip.memory, gdip.pen, x + r, y, x + w - r, y);
452 GdipDrawArcI(gdip.memory, gdip.pen, x + w - d, y, d, d, 270, 90);
453 GdipDrawLineI(gdip.memory, gdip.pen, x + w, y + r, x + w, y + h - r);
454 GdipDrawArcI(gdip.memory, gdip.pen, x + w - d, y + h - d, d, d, 0, 90);
455 GdipDrawLineI(gdip.memory, gdip.pen, x, y + r, x, y + h - r);
456 GdipDrawArcI(gdip.memory, gdip.pen, x, y + h - d, d, d, 90, 90);
457 GdipDrawLineI(gdip.memory, gdip.pen, x + r, y + h, x + w - r, y + h);
458 }
459 }
460
461 static void
nk_gdip_fill_rect(short x,short y,unsigned short w,unsigned short h,unsigned short r,struct nk_color col)462 nk_gdip_fill_rect(short x, short y, unsigned short w,
463 unsigned short h, unsigned short r, struct nk_color col)
464 {
465 GdipSetSolidFillColor(gdip.brush, convert_color(col));
466 if (r == 0) {
467 GdipFillRectangleI(gdip.memory, gdip.brush, x, y, w, h);
468 } else {
469 INT d = 2 * r;
470 GdipFillRectangleI(gdip.memory, gdip.brush, x + r, y, w - d, h);
471 GdipFillRectangleI(gdip.memory, gdip.brush, x, y + r, r, h - d);
472 GdipFillRectangleI(gdip.memory, gdip.brush, x + w - r, y + r, r, h - d);
473 GdipFillPieI(gdip.memory, gdip.brush, x, y, d, d, 180, 90);
474 GdipFillPieI(gdip.memory, gdip.brush, x + w - d, y, d, d, 270, 90);
475 GdipFillPieI(gdip.memory, gdip.brush, x + w - d, y + h - d, d, d, 0, 90);
476 GdipFillPieI(gdip.memory, gdip.brush, x, y + h - d, d, d, 90, 90);
477 }
478 }
479
480 static BOOL
SetPoint(POINT * p,LONG x,LONG y)481 SetPoint(POINT *p, LONG x, LONG y)
482 {
483 if (!p)
484 return FALSE;
485 p->x = x;
486 p->y = y;
487 return TRUE;
488 }
489
490 static void
nk_gdip_fill_triangle(short x0,short y0,short x1,short y1,short x2,short y2,struct nk_color col)491 nk_gdip_fill_triangle(short x0, short y0, short x1,
492 short y1, short x2, short y2, struct nk_color col)
493 {
494 POINT points[3];
495
496 SetPoint(&points[0], x0, y0);
497 SetPoint(&points[1], x1, y1);
498 SetPoint(&points[2], x2, y2);
499
500 GdipSetSolidFillColor(gdip.brush, convert_color(col));
501 GdipFillPolygonI(gdip.memory, gdip.brush, points, 3, FillModeAlternate);
502 }
503
504 static void
nk_gdip_stroke_triangle(short x0,short y0,short x1,short y1,short x2,short y2,unsigned short line_thickness,struct nk_color col)505 nk_gdip_stroke_triangle(short x0, short y0, short x1,
506 short y1, short x2, short y2, unsigned short line_thickness, struct nk_color col)
507 {
508 POINT points[4];
509
510 SetPoint(&points[0], x0, y0);
511 SetPoint(&points[1], x1, y1);
512 SetPoint(&points[2], x2, y2);
513 SetPoint(&points[3], x0, y0);
514
515 GdipSetPenWidth(gdip.pen, (REAL)line_thickness);
516 GdipSetPenColor(gdip.pen, convert_color(col));
517 GdipDrawPolygonI(gdip.memory, gdip.pen, points, 4);
518 }
519
520 static void
nk_gdip_fill_polygon(const struct nk_vec2i * pnts,int count,struct nk_color col)521 nk_gdip_fill_polygon(const struct nk_vec2i *pnts, int count, struct nk_color col)
522 {
523 int i = 0;
524 #define MAX_POINTS 64
525 POINT points[MAX_POINTS];
526 GdipSetSolidFillColor(gdip.brush, convert_color(col));
527 for (i = 0; i < count && i < MAX_POINTS; ++i) {
528 points[i].x = pnts[i].x;
529 points[i].y = pnts[i].y;
530 }
531 GdipFillPolygonI(gdip.memory, gdip.brush, points, i, FillModeAlternate);
532 #undef MAX_POINTS
533 }
534
535 static void
nk_gdip_stroke_polygon(const struct nk_vec2i * pnts,int count,unsigned short line_thickness,struct nk_color col)536 nk_gdip_stroke_polygon(const struct nk_vec2i *pnts, int count,
537 unsigned short line_thickness, struct nk_color col)
538 {
539 GdipSetPenWidth(gdip.pen, (REAL)line_thickness);
540 GdipSetPenColor(gdip.pen, convert_color(col));
541 if (count > 0) {
542 int i;
543 for (i = 1; i < count; ++i)
544 GdipDrawLineI(gdip.memory, gdip.pen, pnts[i-1].x, pnts[i-1].y, pnts[i].x, pnts[i].y);
545 GdipDrawLineI(gdip.memory, gdip.pen, pnts[count-1].x, pnts[count-1].y, pnts[0].x, pnts[0].y);
546 }
547 }
548
549 static void
nk_gdip_stroke_polyline(const struct nk_vec2i * pnts,int count,unsigned short line_thickness,struct nk_color col)550 nk_gdip_stroke_polyline(const struct nk_vec2i *pnts,
551 int count, unsigned short line_thickness, struct nk_color col)
552 {
553 GdipSetPenWidth(gdip.pen, (REAL)line_thickness);
554 GdipSetPenColor(gdip.pen, convert_color(col));
555 if (count > 0) {
556 int i;
557 for (i = 1; i < count; ++i)
558 GdipDrawLineI(gdip.memory, gdip.pen, pnts[i-1].x, pnts[i-1].y, pnts[i].x, pnts[i].y);
559 }
560 }
561
562 static void
nk_gdip_fill_circle(short x,short y,unsigned short w,unsigned short h,struct nk_color col)563 nk_gdip_fill_circle(short x, short y, unsigned short w,
564 unsigned short h, struct nk_color col)
565 {
566 GdipSetSolidFillColor(gdip.brush, convert_color(col));
567 GdipFillEllipseI(gdip.memory, gdip.brush, x, y, w, h);
568 }
569
570 static void
nk_gdip_stroke_circle(short x,short y,unsigned short w,unsigned short h,unsigned short line_thickness,struct nk_color col)571 nk_gdip_stroke_circle(short x, short y, unsigned short w,
572 unsigned short h, unsigned short line_thickness, struct nk_color col)
573 {
574 GdipSetPenWidth(gdip.pen, (REAL)line_thickness);
575 GdipSetPenColor(gdip.pen, convert_color(col));
576 GdipDrawEllipseI(gdip.memory, gdip.pen, x, y, w, h);
577 }
578
579 static void
nk_gdip_stroke_curve(struct nk_vec2i p1,struct nk_vec2i p2,struct nk_vec2i p3,struct nk_vec2i p4,unsigned short line_thickness,struct nk_color col)580 nk_gdip_stroke_curve(struct nk_vec2i p1,
581 struct nk_vec2i p2, struct nk_vec2i p3, struct nk_vec2i p4,
582 unsigned short line_thickness, struct nk_color col)
583 {
584 GdipSetPenWidth(gdip.pen, (REAL)line_thickness);
585 GdipSetPenColor(gdip.pen, convert_color(col));
586 GdipDrawBezierI(gdip.memory, gdip.pen, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y);
587 }
588
589 static void
nk_gdip_fill_arc(short cx,short cy,unsigned short r,float amin,float adelta,struct nk_color col)590 nk_gdip_fill_arc(short cx, short cy, unsigned short r, float amin, float adelta, struct nk_color col)
591 {
592 GdipSetSolidFillColor(gdip.brush, convert_color(col));
593 GdipFillPieI(gdip.memory, gdip.brush, cx - r, cy - r, r * 2, r * 2, amin * (180/M_PI), adelta * (180/M_PI));
594 }
595
596 static void
nk_gdip_stroke_arc(short cx,short cy,unsigned short r,float amin,float adelta,unsigned short line_thickness,struct nk_color col)597 nk_gdip_stroke_arc(short cx, short cy, unsigned short r, float amin, float adelta, unsigned short line_thickness, struct nk_color col)
598 {
599 GdipSetPenWidth(gdip.pen, (REAL)line_thickness);
600 GdipSetPenColor(gdip.pen, convert_color(col));
601 GdipDrawPieI(gdip.memory, gdip.pen, cx - r, cy - r, r * 2, r * 2, amin * (180/M_PI), adelta * (180/M_PI));
602 }
603
604 static void
nk_gdip_draw_text(short x,short y,unsigned short w,unsigned short h,const char * text,int len,GdipFont * font,struct nk_color cbg,struct nk_color cfg)605 nk_gdip_draw_text(short x, short y, unsigned short w, unsigned short h,
606 const char *text, int len, GdipFont *font, struct nk_color cbg, struct nk_color cfg)
607 {
608 int wsize;
609 WCHAR* wstr;
610 RectF layout;
611
612 layout.X = x;
613 layout.Y = y;
614 layout.Width = w;
615 layout.Height = h;
616
617 if(!text || !font || !len) return;
618
619 wsize = MultiByteToWideChar(CP_UTF8, 0, text, len, NULL, 0);
620 wstr = (WCHAR*)_alloca(wsize * sizeof(wchar_t));
621 MultiByteToWideChar(CP_UTF8, 0, text, len, wstr, wsize);
622
623 GdipSetSolidFillColor(gdip.brush, convert_color(cfg));
624 GdipDrawString(gdip.memory, wstr, wsize, font->handle, &layout, gdip.format, gdip.brush);
625 }
626
627 static void
nk_gdip_draw_image(short x,short y,unsigned short w,unsigned short h,struct nk_image img,struct nk_color col)628 nk_gdip_draw_image(short x, short y, unsigned short w, unsigned short h,
629 struct nk_image img, struct nk_color col)
630 {
631 GpImage *image = img.handle.ptr;
632 GdipDrawImageRectI(gdip.memory, image, x, y, w, h);
633 }
634
635 static void
nk_gdip_clear(struct nk_color col)636 nk_gdip_clear(struct nk_color col)
637 {
638 GdipGraphicsClear(gdip.memory, convert_color(col));
639 }
640
641 static void
nk_gdip_blit(GpGraphics * graphics)642 nk_gdip_blit(GpGraphics *graphics)
643 {
644 GdipDrawImageI(graphics, gdip.bitmap, 0, 0);
645 }
646
647 static struct nk_image
nk_gdip_image_to_nk(GpImage * image)648 nk_gdip_image_to_nk(GpImage *image) {
649 struct nk_image img;
650 UINT uwidth, uheight;
651 img = nk_image_ptr( (void*)image );
652 GdipGetImageHeight(image, &uheight);
653 GdipGetImageWidth(image, &uwidth);
654 img.h = uheight;
655 img.w = uwidth;
656 return img;
657 }
658
659 struct nk_image
nk_gdip_load_image_from_file(const WCHAR * filename)660 nk_gdip_load_image_from_file(const WCHAR *filename)
661 {
662 GpImage *image;
663 if (GdipLoadImageFromFile(filename, &image))
664 return nk_image_id(0);
665 return nk_gdip_image_to_nk(image);
666 }
667
668 struct nk_image
nk_gdip_load_image_from_memory(const void * membuf,nk_uint membufSize)669 nk_gdip_load_image_from_memory(const void *membuf, nk_uint membufSize)
670 {
671 GpImage* image;
672 GpStatus status;
673 IStream *stream = SHCreateMemStream((const BYTE*)membuf, membufSize);
674 if (!stream)
675 return nk_image_id(0);
676
677 status = GdipLoadImageFromStream(stream, &image);
678 stream->lpVtbl->Release(stream);
679
680 if (status)
681 return nk_image_id(0);
682
683 return nk_gdip_image_to_nk(image);
684 }
685
686 void
nk_gdip_image_free(struct nk_image image)687 nk_gdip_image_free(struct nk_image image)
688 {
689 if (!image.handle.ptr)
690 return;
691 GdipDisposeImage(image.handle.ptr);
692 }
693
694 GdipFont*
nk_gdipfont_create(const char * name,int size)695 nk_gdipfont_create(const char *name, int size)
696 {
697 GdipFont *font = (GdipFont*)calloc(1, sizeof(GdipFont));
698 GpFontFamily *family;
699
700 int wsize = MultiByteToWideChar(CP_UTF8, 0, name, -1, NULL, 0);
701 WCHAR* wname = (WCHAR*)_alloca((wsize + 1) * sizeof(wchar_t));
702 MultiByteToWideChar(CP_UTF8, 0, name, -1, wname, wsize);
703 wname[wsize] = 0;
704
705 GdipCreateFontFamilyFromName(wname, NULL, &family);
706 GdipCreateFont(family, (REAL)size, FontStyleRegular, UnitPixel, &font->handle);
707 GdipDeleteFontFamily(family);
708
709 return font;
710 }
711
712 GpFontCollection*
nk_gdip_getCurFontCollection()713 nk_gdip_getCurFontCollection(){
714 return gdip.fontCollection[gdip.curFontCollection];
715 }
716
717 GdipFont*
nk_gdipfont_create_from_collection(int size)718 nk_gdipfont_create_from_collection(int size){
719 GpFontFamily **families;
720 INT count;
721 GdipFont *font = (GdipFont*)calloc(1, sizeof(GdipFont));
722 if( GdipGetFontCollectionFamilyCount(nk_gdip_getCurFontCollection(), &count) ) return NULL;
723 families = (GpFontFamily**)calloc(1, sizeof(GpFontFamily*));
724 if( !families ) return NULL;
725 if( GdipGetFontCollectionFamilyList(nk_gdip_getCurFontCollection(), count, families, &count) ) return NULL;
726 if( count < 1 ) return NULL;
727 if( GdipCreateFont(families[count-1], (REAL)size, FontStyleRegular, UnitPixel, &font->handle) ) return NULL;
728 free(families);
729 gdip.curFontCollection++;
730 return font;
731 }
732
733 GdipFont*
nk_gdipfont_create_from_memory(const void * membuf,int membufSize,int size)734 nk_gdipfont_create_from_memory(const void* membuf, int membufSize, int size)
735 {
736 if( !nk_gdip_getCurFontCollection() )
737 if( GdipNewPrivateFontCollection(&gdip.fontCollection[gdip.curFontCollection]) ) return NULL;
738 if( GdipPrivateAddMemoryFont(nk_gdip_getCurFontCollection(), membuf, membufSize) ) return NULL;
739 return nk_gdipfont_create_from_collection(size);
740 }
741
742 GdipFont*
nk_gdipfont_create_from_file(const WCHAR * filename,int size)743 nk_gdipfont_create_from_file(const WCHAR* filename, int size)
744 {
745 if( !nk_gdip_getCurFontCollection() )
746 if( GdipNewPrivateFontCollection(&gdip.fontCollection[gdip.curFontCollection]) ) return NULL;
747 if( GdipPrivateAddFontFile(nk_gdip_getCurFontCollection(), filename) ) return NULL;
748 return nk_gdipfont_create_from_collection(size);
749 }
750
751 static float
nk_gdipfont_get_text_width(nk_handle handle,float height,const char * text,int len)752 nk_gdipfont_get_text_width(nk_handle handle, float height, const char *text, int len)
753 {
754 GdipFont *font = (GdipFont *)handle.ptr;
755 RectF layout = { 0.0f, 0.0f, 65536.0f, 65536.0f };
756 RectF bbox;
757 int wsize;
758 WCHAR* wstr;
759 if (!font || !text)
760 return 0;
761
762 (void)height;
763 wsize = MultiByteToWideChar(CP_UTF8, 0, text, len, NULL, 0);
764 wstr = (WCHAR*)_alloca(wsize * sizeof(wchar_t));
765 MultiByteToWideChar(CP_UTF8, 0, text, len, wstr, wsize);
766
767 GdipMeasureString(gdip.memory, wstr, wsize, font->handle, &layout, gdip.format, &bbox, NULL, NULL);
768 return bbox.Width;
769 }
770
771 void
nk_gdipfont_del(GdipFont * font)772 nk_gdipfont_del(GdipFont *font)
773 {
774 if(!font) return;
775 GdipDeleteFont(font->handle);
776 free(font);
777 }
778
779 static void
nk_gdip_clipboard_paste(nk_handle usr,struct nk_text_edit * edit)780 nk_gdip_clipboard_paste(nk_handle usr, struct nk_text_edit *edit)
781 {
782 HGLOBAL mem;
783 SIZE_T size;
784 LPCWSTR wstr;
785 int utf8size;
786 char* utf8;
787 (void)usr;
788
789 if (!IsClipboardFormatAvailable(CF_UNICODETEXT) && OpenClipboard(NULL))
790 return;
791
792 mem = (HGLOBAL)GetClipboardData(CF_UNICODETEXT);
793 if (!mem) {
794 CloseClipboard();
795 return;
796 }
797
798 size = GlobalSize(mem) - 1;
799 if (!size) {
800 CloseClipboard();
801 return;
802 }
803
804 wstr = (LPCWSTR)GlobalLock(mem);
805 if (!wstr) {
806 CloseClipboard();
807 return;
808 }
809
810 utf8size = WideCharToMultiByte(CP_UTF8, 0, wstr, (int)(size / sizeof(wchar_t)), NULL, 0, NULL, NULL);
811 if (!utf8size) {
812 GlobalUnlock(mem);
813 CloseClipboard();
814 return;
815 }
816
817 utf8 = (char*)malloc(utf8size);
818 if (!utf8) {
819 GlobalUnlock(mem);
820 CloseClipboard();
821 return;
822 }
823
824 WideCharToMultiByte(CP_UTF8, 0, wstr, (int)(size / sizeof(wchar_t)), utf8, utf8size, NULL, NULL);
825 nk_textedit_paste(edit, utf8, utf8size);
826 free(utf8);
827 GlobalUnlock(mem);
828 CloseClipboard();
829 }
830
831 static void
nk_gdip_clipboard_copy(nk_handle usr,const char * text,int len)832 nk_gdip_clipboard_copy(nk_handle usr, const char *text, int len)
833 {
834 HGLOBAL mem;
835 wchar_t* wstr;
836 int wsize;
837 (void)usr;
838
839 if (!OpenClipboard(NULL))
840 return;
841
842 wsize = MultiByteToWideChar(CP_UTF8, 0, text, len, NULL, 0);
843 if (!wsize) {
844 CloseClipboard();
845 return;
846 }
847
848 mem = (HGLOBAL)GlobalAlloc(GMEM_MOVEABLE, (wsize + 1) * sizeof(wchar_t));
849 if (!mem) {
850 CloseClipboard();
851 return;
852 }
853
854 wstr = (wchar_t*)GlobalLock(mem);
855 if (!wstr) {
856 GlobalFree(mem);
857 CloseClipboard();
858 return;
859 }
860
861 MultiByteToWideChar(CP_UTF8, 0, text, len, wstr, wsize);
862 wstr[wsize] = 0;
863 GlobalUnlock(mem);
864 if (!SetClipboardData(CF_UNICODETEXT, mem))
865 GlobalFree(mem);
866 CloseClipboard();
867 }
868
869 NK_API struct nk_context*
nk_gdip_init(HWND hwnd,unsigned int width,unsigned int height)870 nk_gdip_init(HWND hwnd, unsigned int width, unsigned int height)
871 {
872 int i;
873 GdiplusStartupInput startup = { 1, NULL, FALSE, TRUE };
874 GdiplusStartup(&gdip.token, &startup, NULL);
875
876 GdipCreateFromHWND(hwnd, &gdip.window);
877 GdipCreateBitmapFromGraphics(width, height, gdip.window, &gdip.bitmap);
878 GdipGetImageGraphicsContext(gdip.bitmap, &gdip.memory);
879 GdipCreatePen1(0, 1.0f, UnitPixel, &gdip.pen);
880 GdipCreateSolidFill(0, &gdip.brush);
881 GdipStringFormatGetGenericTypographic(&gdip.format);
882 GdipSetStringFormatFlags(gdip.format, StringFormatFlagsNoFitBlackBox |
883 StringFormatFlagsMeasureTrailingSpaces | StringFormatFlagsNoWrap |
884 StringFormatFlagsNoClip);
885
886 for(i=0; i< sizeof(gdip.fontCollection)/sizeof(gdip.fontCollection[0]); i++)
887 gdip.fontCollection[i] = NULL;
888 nk_init_default(&gdip.ctx, NULL);
889 gdip.ctx.clip.copy = nk_gdip_clipboard_copy;
890 gdip.ctx.clip.paste = nk_gdip_clipboard_paste;
891 gdip.curFontCollection = 0;
892 return &gdip.ctx;
893 }
894
895 NK_API void
nk_gdip_set_font(GdipFont * gdipfont)896 nk_gdip_set_font(GdipFont *gdipfont)
897 {
898 struct nk_user_font *font = &gdipfont->nk;
899 font->userdata = nk_handle_ptr(gdipfont);
900 GdipGetFontSize(gdipfont->handle, &font->height);
901 font->width = nk_gdipfont_get_text_width;
902 nk_style_set_font(&gdip.ctx, font);
903 }
904
905 NK_API int
nk_gdip_handle_event(HWND wnd,UINT msg,WPARAM wparam,LPARAM lparam)906 nk_gdip_handle_event(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam)
907 {
908 switch (msg)
909 {
910 case WM_SIZE:
911 if (gdip.window)
912 {
913 unsigned int width = LOWORD(lparam);
914 unsigned int height = HIWORD(lparam);
915 GdipDeleteGraphics(gdip.window);
916 GdipDeleteGraphics(gdip.memory);
917 GdipDisposeImage(gdip.bitmap);
918 GdipCreateFromHWND(wnd, &gdip.window);
919 GdipCreateBitmapFromGraphics(width, height, gdip.window, &gdip.bitmap);
920 GdipGetImageGraphicsContext(gdip.bitmap, &gdip.memory);
921 }
922 break;
923
924 case WM_PAINT:
925 {
926 PAINTSTRUCT paint;
927 HDC dc = BeginPaint(wnd, &paint);
928 GpGraphics *graphics;
929 GdipCreateFromHDC(dc, &graphics);
930 nk_gdip_blit(graphics);
931 GdipDeleteGraphics(graphics);
932 EndPaint(wnd, &paint);
933 return 1;
934 }
935
936 case WM_KEYDOWN:
937 case WM_KEYUP:
938 case WM_SYSKEYDOWN:
939 case WM_SYSKEYUP:
940 {
941 int down = !((lparam >> 31) & 1);
942 int ctrl = GetKeyState(VK_CONTROL) & (1 << 15);
943
944 switch (wparam)
945 {
946 case VK_SHIFT:
947 case VK_LSHIFT:
948 case VK_RSHIFT:
949 nk_input_key(&gdip.ctx, NK_KEY_SHIFT, down);
950 return 1;
951
952 case VK_DELETE:
953 nk_input_key(&gdip.ctx, NK_KEY_DEL, down);
954 return 1;
955
956 case VK_RETURN:
957 nk_input_key(&gdip.ctx, NK_KEY_ENTER, down);
958 return 1;
959
960 case VK_TAB:
961 nk_input_key(&gdip.ctx, NK_KEY_TAB, down);
962 return 1;
963
964 case VK_LEFT:
965 if (ctrl)
966 nk_input_key(&gdip.ctx, NK_KEY_TEXT_WORD_LEFT, down);
967 else
968 nk_input_key(&gdip.ctx, NK_KEY_LEFT, down);
969 return 1;
970
971 case VK_RIGHT:
972 if (ctrl)
973 nk_input_key(&gdip.ctx, NK_KEY_TEXT_WORD_RIGHT, down);
974 else
975 nk_input_key(&gdip.ctx, NK_KEY_RIGHT, down);
976 return 1;
977
978 case VK_BACK:
979 nk_input_key(&gdip.ctx, NK_KEY_BACKSPACE, down);
980 return 1;
981
982 case VK_HOME:
983 nk_input_key(&gdip.ctx, NK_KEY_TEXT_START, down);
984 nk_input_key(&gdip.ctx, NK_KEY_SCROLL_START, down);
985 return 1;
986
987 case VK_END:
988 nk_input_key(&gdip.ctx, NK_KEY_TEXT_END, down);
989 nk_input_key(&gdip.ctx, NK_KEY_SCROLL_END, down);
990 return 1;
991
992 case VK_NEXT:
993 nk_input_key(&gdip.ctx, NK_KEY_SCROLL_DOWN, down);
994 return 1;
995
996 case VK_PRIOR:
997 nk_input_key(&gdip.ctx, NK_KEY_SCROLL_UP, down);
998 return 1;
999
1000 case 'C':
1001 if (ctrl) {
1002 nk_input_key(&gdip.ctx, NK_KEY_COPY, down);
1003 return 1;
1004 }
1005 break;
1006
1007 case 'V':
1008 if (ctrl) {
1009 nk_input_key(&gdip.ctx, NK_KEY_PASTE, down);
1010 return 1;
1011 }
1012 break;
1013
1014 case 'X':
1015 if (ctrl) {
1016 nk_input_key(&gdip.ctx, NK_KEY_CUT, down);
1017 return 1;
1018 }
1019 break;
1020
1021 case 'Z':
1022 if (ctrl) {
1023 nk_input_key(&gdip.ctx, NK_KEY_TEXT_UNDO, down);
1024 return 1;
1025 }
1026 break;
1027
1028 case 'R':
1029 if (ctrl) {
1030 nk_input_key(&gdip.ctx, NK_KEY_TEXT_REDO, down);
1031 return 1;
1032 }
1033 break;
1034 }
1035 return 0;
1036 }
1037
1038 case WM_CHAR:
1039 if (wparam >= 32)
1040 {
1041 nk_input_unicode(&gdip.ctx, (nk_rune)wparam);
1042 return 1;
1043 }
1044 break;
1045
1046 case WM_LBUTTONDOWN:
1047 nk_input_button(&gdip.ctx, NK_BUTTON_LEFT, (short)LOWORD(lparam), (short)HIWORD(lparam), 1);
1048 SetCapture(wnd);
1049 return 1;
1050
1051 case WM_LBUTTONUP:
1052 nk_input_button(&gdip.ctx, NK_BUTTON_DOUBLE, (short)LOWORD(lparam), (short)HIWORD(lparam), 0);
1053 nk_input_button(&gdip.ctx, NK_BUTTON_LEFT, (short)LOWORD(lparam), (short)HIWORD(lparam), 0);
1054 ReleaseCapture();
1055 return 1;
1056
1057 case WM_RBUTTONDOWN:
1058 nk_input_button(&gdip.ctx, NK_BUTTON_RIGHT, (short)LOWORD(lparam), (short)HIWORD(lparam), 1);
1059 SetCapture(wnd);
1060 return 1;
1061
1062 case WM_RBUTTONUP:
1063 nk_input_button(&gdip.ctx, NK_BUTTON_RIGHT, (short)LOWORD(lparam), (short)HIWORD(lparam), 0);
1064 ReleaseCapture();
1065 return 1;
1066
1067 case WM_MBUTTONDOWN:
1068 nk_input_button(&gdip.ctx, NK_BUTTON_MIDDLE, (short)LOWORD(lparam), (short)HIWORD(lparam), 1);
1069 SetCapture(wnd);
1070 return 1;
1071
1072 case WM_MBUTTONUP:
1073 nk_input_button(&gdip.ctx, NK_BUTTON_MIDDLE, (short)LOWORD(lparam), (short)HIWORD(lparam), 0);
1074 ReleaseCapture();
1075 return 1;
1076
1077 case WM_MOUSEWHEEL:
1078 nk_input_scroll(&gdip.ctx, nk_vec2(0,(float)(short)HIWORD(wparam) / WHEEL_DELTA));
1079 return 1;
1080
1081 case WM_MOUSEMOVE:
1082 nk_input_motion(&gdip.ctx, (short)LOWORD(lparam), (short)HIWORD(lparam));
1083 return 1;
1084
1085 case WM_LBUTTONDBLCLK:
1086 nk_input_button(&gdip.ctx, NK_BUTTON_DOUBLE, (short)LOWORD(lparam), (short)HIWORD(lparam), 1);
1087 return 1;
1088 }
1089
1090 return 0;
1091 }
1092
1093 NK_API void
nk_gdip_shutdown(void)1094 nk_gdip_shutdown(void)
1095 {
1096 int i;
1097 for(i=0; i< gdip.curFontCollection; i++)
1098 GdipDeletePrivateFontCollection( &gdip.fontCollection[i] );
1099 GdipDeleteGraphics(gdip.window);
1100 GdipDeleteGraphics(gdip.memory);
1101 GdipDisposeImage(gdip.bitmap);
1102 GdipDeletePen(gdip.pen);
1103 GdipDeleteBrush(gdip.brush);
1104 GdipDeleteStringFormat(gdip.format);
1105 GdiplusShutdown(gdip.token);
1106
1107 nk_free(&gdip.ctx);
1108 }
1109
1110 NK_API void
nk_gdip_prerender_gui(enum nk_anti_aliasing AA)1111 nk_gdip_prerender_gui(enum nk_anti_aliasing AA)
1112 {
1113 const struct nk_command *cmd;
1114
1115 GdipSetTextRenderingHint(gdip.memory, AA != NK_ANTI_ALIASING_OFF ?
1116 TextRenderingHintClearTypeGridFit : TextRenderingHintSingleBitPerPixelGridFit);
1117 GdipSetSmoothingMode(gdip.memory, AA != NK_ANTI_ALIASING_OFF ?
1118 SmoothingModeHighQuality : SmoothingModeNone);
1119
1120 nk_foreach(cmd, &gdip.ctx)
1121 {
1122 switch (cmd->type) {
1123 case NK_COMMAND_NOP: break;
1124 case NK_COMMAND_SCISSOR: {
1125 const struct nk_command_scissor *s =(const struct nk_command_scissor*)cmd;
1126 nk_gdip_scissor(s->x, s->y, s->w, s->h);
1127 } break;
1128 case NK_COMMAND_LINE: {
1129 const struct nk_command_line *l = (const struct nk_command_line *)cmd;
1130 nk_gdip_stroke_line(l->begin.x, l->begin.y, l->end.x,
1131 l->end.y, l->line_thickness, l->color);
1132 } break;
1133 case NK_COMMAND_RECT: {
1134 const struct nk_command_rect *r = (const struct nk_command_rect *)cmd;
1135 nk_gdip_stroke_rect(r->x, r->y, r->w, r->h,
1136 (unsigned short)r->rounding, r->line_thickness, r->color);
1137 } break;
1138 case NK_COMMAND_RECT_FILLED: {
1139 const struct nk_command_rect_filled *r = (const struct nk_command_rect_filled *)cmd;
1140 nk_gdip_fill_rect(r->x, r->y, r->w, r->h,
1141 (unsigned short)r->rounding, r->color);
1142 } break;
1143 case NK_COMMAND_CIRCLE: {
1144 const struct nk_command_circle *c = (const struct nk_command_circle *)cmd;
1145 nk_gdip_stroke_circle(c->x, c->y, c->w, c->h, c->line_thickness, c->color);
1146 } break;
1147 case NK_COMMAND_CIRCLE_FILLED: {
1148 const struct nk_command_circle_filled *c = (const struct nk_command_circle_filled *)cmd;
1149 nk_gdip_fill_circle(c->x, c->y, c->w, c->h, c->color);
1150 } break;
1151 case NK_COMMAND_TRIANGLE: {
1152 const struct nk_command_triangle*t = (const struct nk_command_triangle*)cmd;
1153 nk_gdip_stroke_triangle(t->a.x, t->a.y, t->b.x, t->b.y,
1154 t->c.x, t->c.y, t->line_thickness, t->color);
1155 } break;
1156 case NK_COMMAND_TRIANGLE_FILLED: {
1157 const struct nk_command_triangle_filled *t = (const struct nk_command_triangle_filled *)cmd;
1158 nk_gdip_fill_triangle(t->a.x, t->a.y, t->b.x, t->b.y,
1159 t->c.x, t->c.y, t->color);
1160 } break;
1161 case NK_COMMAND_POLYGON: {
1162 const struct nk_command_polygon *p =(const struct nk_command_polygon*)cmd;
1163 nk_gdip_stroke_polygon(p->points, p->point_count, p->line_thickness,p->color);
1164 } break;
1165 case NK_COMMAND_POLYGON_FILLED: {
1166 const struct nk_command_polygon_filled *p = (const struct nk_command_polygon_filled *)cmd;
1167 nk_gdip_fill_polygon(p->points, p->point_count, p->color);
1168 } break;
1169 case NK_COMMAND_POLYLINE: {
1170 const struct nk_command_polyline *p = (const struct nk_command_polyline *)cmd;
1171 nk_gdip_stroke_polyline(p->points, p->point_count, p->line_thickness, p->color);
1172 } break;
1173 case NK_COMMAND_TEXT: {
1174 const struct nk_command_text *t = (const struct nk_command_text*)cmd;
1175 nk_gdip_draw_text(t->x, t->y, t->w, t->h,
1176 (const char*)t->string, t->length,
1177 (GdipFont*)t->font->userdata.ptr,
1178 t->background, t->foreground);
1179 } break;
1180 case NK_COMMAND_CURVE: {
1181 const struct nk_command_curve *q = (const struct nk_command_curve *)cmd;
1182 nk_gdip_stroke_curve(q->begin, q->ctrl[0], q->ctrl[1],
1183 q->end, q->line_thickness, q->color);
1184 } break;
1185 case NK_COMMAND_IMAGE: {
1186 const struct nk_command_image *i = (const struct nk_command_image *)cmd;
1187 nk_gdip_draw_image(i->x, i->y, i->w, i->h, i->img, i->col);
1188 } break;
1189 case NK_COMMAND_ARC: {
1190 const struct nk_command_arc *i = (const struct nk_command_arc *)cmd;
1191 nk_gdip_stroke_arc(i->cx, i->cy, i->r, i->a[0], i->a[1], i->line_thickness, i->color);
1192 } break;
1193 case NK_COMMAND_ARC_FILLED: {
1194 const struct nk_command_arc_filled *i = (const struct nk_command_arc_filled *)cmd;
1195 nk_gdip_fill_arc(i->cx, i->cy, i->r, i->a[0], i->a[1], i->color);
1196 } break;
1197 case NK_COMMAND_RECT_MULTI_COLOR:
1198 default: break;
1199 }
1200 }
1201 }
1202
1203 NK_API void
nk_gdip_render_gui(enum nk_anti_aliasing AA)1204 nk_gdip_render_gui(enum nk_anti_aliasing AA)
1205 {
1206 nk_gdip_prerender_gui(AA);
1207 nk_gdip_blit(gdip.window);
1208 nk_clear(&gdip.ctx);
1209 }
1210
1211 NK_API void
nk_gdip_render(enum nk_anti_aliasing AA,struct nk_color clear)1212 nk_gdip_render(enum nk_anti_aliasing AA, struct nk_color clear)
1213 {
1214 nk_gdip_clear(clear);
1215 nk_gdip_render_gui(AA);
1216 }
1217
1218 #endif
1219