1 /* nuklear - 1.32.0 - public domain */
2 #define COBJMACROS
3 #define WIN32_LEAN_AND_MEAN
4 #include <windows.h>
5 #include <d3d9.h>
6 #include <stdio.h>
7 #include <string.h>
8 #include <limits.h>
9 #include <time.h>
10
11 #define WINDOW_WIDTH 800
12 #define WINDOW_HEIGHT 600
13
14 #define NK_INCLUDE_FIXED_TYPES
15 #define NK_INCLUDE_STANDARD_IO
16 #define NK_INCLUDE_STANDARD_VARARGS
17 #define NK_INCLUDE_DEFAULT_ALLOCATOR
18 #define NK_INCLUDE_VERTEX_BUFFER_OUTPUT
19 #define NK_INCLUDE_FONT_BAKING
20 #define NK_INCLUDE_DEFAULT_FONT
21 #define NK_IMPLEMENTATION
22 #define NK_D3D9_IMPLEMENTATION
23 #include "../../nuklear.h"
24 #include "nuklear_d3d9.h"
25
26 /* ===============================================================
27 *
28 * EXAMPLE
29 *
30 * ===============================================================*/
31 /* This are some code examples to provide a small overview of what can be
32 * done with this library. To try out an example uncomment the defines */
33 /*#define INCLUDE_ALL */
34 /*#define INCLUDE_STYLE */
35 /*#define INCLUDE_CALCULATOR */
36 /*#define INCLUDE_OVERVIEW */
37 /*#define INCLUDE_NODE_EDITOR */
38
39 #ifdef INCLUDE_ALL
40 #define INCLUDE_STYLE
41 #define INCLUDE_CALCULATOR
42 #define INCLUDE_OVERVIEW
43 #define INCLUDE_NODE_EDITOR
44 #endif
45
46 #ifdef INCLUDE_STYLE
47 #include "../style.c"
48 #endif
49 #ifdef INCLUDE_CALCULATOR
50 #include "../calculator.c"
51 #endif
52 #ifdef INCLUDE_OVERVIEW
53 #include "../overview.c"
54 #endif
55 #ifdef INCLUDE_NODE_EDITOR
56 #include "../node_editor.c"
57 #endif
58
59 /* ===============================================================
60 *
61 * DEMO
62 *
63 * ===============================================================*/
64 static IDirect3DDevice9 *device;
65 static IDirect3DDevice9Ex *deviceEx;
66 static D3DPRESENT_PARAMETERS present;
67
68 static LRESULT CALLBACK
WindowProc(HWND wnd,UINT msg,WPARAM wparam,LPARAM lparam)69 WindowProc(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam)
70 {
71 switch (msg)
72 {
73 case WM_DESTROY:
74 PostQuitMessage(0);
75 return 0;
76
77 case WM_SIZE:
78 if (device)
79 {
80 UINT width = LOWORD(lparam);
81 UINT height = HIWORD(lparam);
82 if (width != 0 && height != 0 &&
83 (width != present.BackBufferWidth || height != present.BackBufferHeight))
84 {
85 nk_d3d9_release();
86 present.BackBufferWidth = width;
87 present.BackBufferHeight = height;
88 HRESULT hr = IDirect3DDevice9_Reset(device, &present);
89 NK_ASSERT(SUCCEEDED(hr));
90 nk_d3d9_resize(width, height);
91 }
92 }
93 break;
94 }
95
96 if (nk_d3d9_handle_event(wnd, msg, wparam, lparam))
97 return 0;
98
99 return DefWindowProcW(wnd, msg, wparam, lparam);
100 }
101
create_d3d9_device(HWND wnd)102 static void create_d3d9_device(HWND wnd)
103 {
104 HRESULT hr;
105
106 present.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;
107 present.BackBufferWidth = WINDOW_WIDTH;
108 present.BackBufferHeight = WINDOW_HEIGHT;
109 present.BackBufferFormat = D3DFMT_X8R8G8B8;
110 present.BackBufferCount = 1;
111 present.MultiSampleType = D3DMULTISAMPLE_NONE;
112 present.SwapEffect = D3DSWAPEFFECT_DISCARD;
113 present.hDeviceWindow = wnd;
114 present.EnableAutoDepthStencil = TRUE;
115 present.AutoDepthStencilFormat = D3DFMT_D24S8;
116 present.Flags = D3DPRESENTFLAG_DISCARD_DEPTHSTENCIL;
117 present.Windowed = TRUE;
118
119 {/* first try to create Direct3D9Ex device if possible (on Windows 7+) */
120 typedef HRESULT WINAPI Direct3DCreate9ExPtr(UINT, IDirect3D9Ex**);
121 Direct3DCreate9ExPtr *Direct3DCreate9Ex = (void *)GetProcAddress(GetModuleHandleA("d3d9.dll"), "Direct3DCreate9Ex");
122 if (Direct3DCreate9Ex) {
123 IDirect3D9Ex *d3d9ex;
124 if (SUCCEEDED(Direct3DCreate9Ex(D3D_SDK_VERSION, &d3d9ex))) {
125 hr = IDirect3D9Ex_CreateDeviceEx(d3d9ex, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, wnd,
126 D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE | D3DCREATE_FPU_PRESERVE,
127 &present, NULL, &deviceEx);
128 if (SUCCEEDED(hr)) {
129 device = (IDirect3DDevice9 *)deviceEx;
130 } else {
131 /* hardware vertex processing not supported, no big deal
132 retry with software vertex processing */
133 hr = IDirect3D9Ex_CreateDeviceEx(d3d9ex, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, wnd,
134 D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE | D3DCREATE_FPU_PRESERVE,
135 &present, NULL, &deviceEx);
136 if (SUCCEEDED(hr)) {
137 device = (IDirect3DDevice9 *)deviceEx;
138 }
139 }
140 IDirect3D9Ex_Release(d3d9ex);
141 }
142 }
143 }
144
145 if (!device) {
146 /* otherwise do regular D3D9 setup */
147 IDirect3D9 *d3d9 = Direct3DCreate9(D3D_SDK_VERSION);
148
149 hr = IDirect3D9_CreateDevice(d3d9, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, wnd,
150 D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE | D3DCREATE_FPU_PRESERVE,
151 &present, &device);
152 if (FAILED(hr)) {
153 /* hardware vertex processing not supported, no big deal
154 retry with software vertex processing */
155 hr = IDirect3D9_CreateDevice(d3d9, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, wnd,
156 D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE | D3DCREATE_FPU_PRESERVE,
157 &present, &device);
158 NK_ASSERT(SUCCEEDED(hr));
159 }
160 IDirect3D9_Release(d3d9);
161 }
162 }
163
main(void)164 int main(void)
165 {
166 struct nk_context *ctx;
167 struct nk_colorf bg;
168
169 WNDCLASSW wc;
170 RECT rect = { 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT };
171 DWORD style = WS_OVERLAPPEDWINDOW;
172 DWORD exstyle = WS_EX_APPWINDOW;
173 HWND wnd;
174 int running = 1;
175
176 /* Win32 */
177 memset(&wc, 0, sizeof(wc));
178 wc.style = CS_DBLCLKS;
179 wc.lpfnWndProc = WindowProc;
180 wc.hInstance = GetModuleHandleW(0);
181 wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
182 wc.hCursor = LoadCursor(NULL, IDC_ARROW);
183 wc.lpszClassName = L"NuklearWindowClass";
184 RegisterClassW(&wc);
185
186 AdjustWindowRectEx(&rect, style, FALSE, exstyle);
187
188 wnd = CreateWindowExW(exstyle, wc.lpszClassName, L"Nuklear Demo",
189 style | WS_VISIBLE, CW_USEDEFAULT, CW_USEDEFAULT,
190 rect.right - rect.left, rect.bottom - rect.top,
191 NULL, NULL, wc.hInstance, NULL);
192
193 create_d3d9_device(wnd);
194
195 /* GUI */
196 ctx = nk_d3d9_init(device, WINDOW_WIDTH, WINDOW_HEIGHT);
197 /* Load Fonts: if none of these are loaded a default font will be used */
198 /* Load Cursor: if you uncomment cursor loading please hide the cursor */
199 {struct nk_font_atlas *atlas;
200 nk_d3d9_font_stash_begin(&atlas);
201 /*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../extra_font/DroidSans.ttf", 14, 0);*/
202 /*struct nk_font *robot = nk_font_atlas_add_from_file(atlas, "../../extra_font/Roboto-Regular.ttf", 14, 0);*/
203 /*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../extra_font/kenvector_future_thin.ttf", 13, 0);*/
204 /*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../extra_font/ProggyClean.ttf", 12, 0);*/
205 /*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../extra_font/ProggyTiny.ttf", 10, 0);*/
206 /*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../extra_font/Cousine-Regular.ttf", 13, 0);*/
207 nk_d3d9_font_stash_end();
208 /*nk_style_load_all_cursors(ctx, atlas->cursors);*/
209 /*nk_style_set_font(ctx, &droid->handle)*/;}
210
211 /* style.c */
212 #ifdef INCLUDE_STYLE
213 /*set_style(ctx, THEME_WHITE);*/
214 /*set_style(ctx, THEME_RED);*/
215 /*set_style(ctx, THEME_BLUE);*/
216 /*set_style(ctx, THEME_DARK);*/
217 #endif
218
219 bg.r = 0.10f, bg.g = 0.18f, bg.b = 0.24f, bg.a = 1.0f;
220 while (running)
221 {
222 /* Input */
223 MSG msg;
224 nk_input_begin(ctx);
225 while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE)) {
226 if (msg.message == WM_QUIT)
227 running = 0;
228 TranslateMessage(&msg);
229 DispatchMessageW(&msg);
230 }
231 nk_input_end(ctx);
232
233 /* GUI */
234 if (nk_begin(ctx, "Demo", nk_rect(50, 50, 230, 250),
235 NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE|
236 NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE))
237 {
238 enum {EASY, HARD};
239 static int op = EASY;
240 static int property = 20;
241
242 nk_layout_row_static(ctx, 30, 80, 1);
243 if (nk_button_label(ctx, "button"))
244 fprintf(stdout, "button pressed\n");
245 nk_layout_row_dynamic(ctx, 30, 2);
246 if (nk_option_label(ctx, "easy", op == EASY)) op = EASY;
247 if (nk_option_label(ctx, "hard", op == HARD)) op = HARD;
248 nk_layout_row_dynamic(ctx, 22, 1);
249 nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1);
250
251 nk_layout_row_dynamic(ctx, 20, 1);
252 nk_label(ctx, "background:", NK_TEXT_LEFT);
253 nk_layout_row_dynamic(ctx, 25, 1);
254 if (nk_combo_begin_color(ctx, nk_rgb_cf(bg), nk_vec2(nk_widget_width(ctx),400))) {
255 nk_layout_row_dynamic(ctx, 120, 1);
256 bg = nk_color_picker(ctx, bg, NK_RGBA);
257 nk_layout_row_dynamic(ctx, 25, 1);
258 bg.r = nk_propertyf(ctx, "#R:", 0, bg.r, 1.0f, 0.01f,0.005f);
259 bg.g = nk_propertyf(ctx, "#G:", 0, bg.g, 1.0f, 0.01f,0.005f);
260 bg.b = nk_propertyf(ctx, "#B:", 0, bg.b, 1.0f, 0.01f,0.005f);
261 bg.a = nk_propertyf(ctx, "#A:", 0, bg.a, 1.0f, 0.01f,0.005f);
262 nk_combo_end(ctx);
263 }
264 }
265 nk_end(ctx);
266
267 /* -------------- EXAMPLES ---------------- */
268 #ifdef INCLUDE_CALCULATOR
269 calculator(ctx);
270 #endif
271 #ifdef INCLUDE_OVERVIEW
272 overview(ctx);
273 #endif
274 #ifdef INCLUDE_NODE_EDITOR
275 node_editor(ctx);
276 #endif
277 /* ----------------------------------------- */
278
279 /* Draw */
280 {
281 HRESULT hr;
282 hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER | D3DCLEAR_STENCIL,
283 D3DCOLOR_COLORVALUE(bg.a, bg.r, bg.g, bg.b), 0.0f, 0);
284 NK_ASSERT(SUCCEEDED(hr));
285
286 hr = IDirect3DDevice9_BeginScene(device);
287 NK_ASSERT(SUCCEEDED(hr));
288 nk_d3d9_render(NK_ANTI_ALIASING_ON);
289 hr = IDirect3DDevice9_EndScene(device);
290 NK_ASSERT(SUCCEEDED(hr));
291
292 if (deviceEx) {
293 hr = IDirect3DDevice9Ex_PresentEx(deviceEx, NULL, NULL, NULL, NULL, 0);
294 } else {
295 hr = IDirect3DDevice9_Present(device, NULL, NULL, NULL, NULL);
296 }
297 if (hr == D3DERR_DEVICELOST || hr == D3DERR_DEVICEHUNG || hr == D3DERR_DEVICEREMOVED) {
298 /* to recover from this, you'll need to recreate device and all the resources */
299 MessageBoxW(NULL, L"D3D9 device is lost or removed!", L"Error", 0);
300 break;
301 } else if (hr == S_PRESENT_OCCLUDED) {
302 /* window is not visible, so vsync won't work. Let's sleep a bit to reduce CPU usage */
303 Sleep(10);
304 }
305 NK_ASSERT(SUCCEEDED(hr));
306 }
307 }
308 nk_d3d9_shutdown();
309 if (deviceEx)IDirect3DDevice9Ex_Release(deviceEx);
310 else IDirect3DDevice9_Release(device);
311 UnregisterClassW(wc.lpszClassName, wc.hInstance);
312 return 0;
313 }
314