ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/Deliantra-Client/pango-render.c
(Generate patch)

Comparing deliantra/Deliantra-Client/pango-render.c (file contents):
Revision 1.3 by root, Tue Jul 4 23:56:34 2006 UTC vs.
Revision 1.8 by root, Sat Aug 11 11:32:29 2007 UTC

… …
35 35
36struct _PangoOpenGLRenderer 36struct _PangoOpenGLRenderer
37{ 37{
38 PangoRenderer parent_instance; 38 PangoRenderer parent_instance;
39 float r, g, b, a; // modulate 39 float r, g, b, a; // modulate
40 GLuint curtex; // current texture 40 int flags;
41 rc_t *rc; // rendercache
42 rc_key_t key; // current render key
43 rc_array_t *arr;
41}; 44};
42 45
43G_DEFINE_TYPE (PangoOpenGLRenderer, pango_opengl_renderer, PANGO_TYPE_RENDERER) 46G_DEFINE_TYPE (PangoOpenGLRenderer, pango_opengl_renderer, PANGO_TYPE_RENDERER)
44 47
45typedef struct 48typedef struct
… …
193 tc_get (&g->tex, bm.width, bm.height); 196 tc_get (&g->tex, bm.width, bm.height);
194 197
195 g->left = bm.left; 198 g->left = bm.left;
196 g->top = bm.top; 199 g->top = bm.top;
197 200
198 if (renderer->curtex)
199 {
200 glEnd ();
201 renderer->curtex = 0;
202 }
203
204 glBindTexture (GL_TEXTURE_2D, g->tex.name); 201 glBindTexture (GL_TEXTURE_2D, g->tex.name);
205 glPixelStorei (GL_UNPACK_ROW_LENGTH, bm.stride); 202 glPixelStorei (GL_UNPACK_ROW_LENGTH, bm.stride);
206 glPixelStorei (GL_UNPACK_ALIGNMENT, 1); 203 glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
207 glTexSubImage2D (GL_TEXTURE_2D, 0, g->tex.x, g->tex.y, bm.width, bm.height, GL_ALPHA, GL_UNSIGNED_BYTE, bm.bitmap); 204 glTexSubImage2D (GL_TEXTURE_2D, 0, g->tex.x, g->tex.y, bm.width, bm.height, GL_ALPHA, GL_UNSIGNED_BYTE, bm.bitmap);
208 glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); 205 glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
… …
215 x1 = g->tex.x * (1. / TC_WIDTH ); 212 x1 = g->tex.x * (1. / TC_WIDTH );
216 y1 = g->tex.y * (1. / TC_HEIGHT); 213 y1 = g->tex.y * (1. / TC_HEIGHT);
217 x2 = g->tex.w * (1. / TC_WIDTH ) + x1; 214 x2 = g->tex.w * (1. / TC_WIDTH ) + x1;
218 y2 = g->tex.h * (1. / TC_HEIGHT) + y1; 215 y2 = g->tex.h * (1. / TC_HEIGHT) + y1;
219 216
220 if (g->tex.name != renderer->curtex) 217 if (g->tex.name != renderer->key.texname)
221 { 218 {
222 if (renderer->curtex)
223 glEnd ();
224
225 glBindTexture (GL_TEXTURE_2D, g->tex.name);
226 renderer->curtex = g->tex.name; 219 renderer->key.texname = g->tex.name;
227 glBegin (GL_QUADS); 220 renderer->arr = rc_array (renderer->rc, &renderer->key);
228 } 221 }
229 222
230 glTexCoord2f (x1, y1); glVertex2i (x , y ); 223 rc_t2f_v3f (renderer->arr, x1, y1, x , y , 0);
231 glTexCoord2f (x2, y1); glVertex2i (x + g->tex.w, y ); 224 rc_t2f_v3f (renderer->arr, x2, y1, x + g->tex.w, y , 0);
232 glTexCoord2f (x2, y2); glVertex2i (x + g->tex.w, y + g->tex.h); 225 rc_t2f_v3f (renderer->arr, x2, y2, x + g->tex.w, y + g->tex.h, 0);
233 glTexCoord2f (x1, y2); glVertex2i (x , y + g->tex.h); 226 rc_t2f_v3f (renderer->arr, x1, y2, x , y + g->tex.h, 0);
234} 227}
235 228
236static void 229static void
237draw_trapezoid (PangoRenderer *renderer_, 230draw_trapezoid (PangoRenderer *renderer_,
238 PangoRenderPart part, 231 PangoRenderPart part,
… …
242 double y2, 235 double y2,
243 double x12, 236 double x12,
244 double x22) 237 double x22)
245{ 238{
246 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; 239 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_;
240 rc_key_t key = renderer->key;
241 rc_array_t *arr;
247 242
248 if (renderer->curtex) 243 key.mode = GL_QUADS;
249 { 244 key.format = GL_V2F;
250 glEnd (); 245 key.texname = 0;
251 renderer->curtex = 0;
252 }
253 246
254 glDisable (GL_TEXTURE_2D); 247 arr = rc_array (renderer->rc, &key);
255 248
256 glBegin (GL_QUADS); 249 rc_v2f (arr, x11, y1);
257 glVertex2d (x11, y1); 250 rc_v2f (arr, x21, y1);
258 glVertex2d (x12, y1); 251 rc_v2f (arr, x22, y2);
259 glVertex2d (x22, y2); 252 rc_v2f (arr, x12, y2);
260 glVertex2d (x21, y2);
261 glEnd ();
262
263 glEnable (GL_TEXTURE_2D);
264} 253}
265 254
266void 255void
267pango_opengl_render_layout_subpixel (PangoLayout *layout, 256pango_opengl_render_layout_subpixel (PangoLayout *layout,
268 int x, int y, 257 int x, int y,
269 float r, float g, float b, float a) 258 float r, float g, float b, float a,
259 int flags)
270{ 260{
271 PangoContext *context; 261 PangoContext *context;
272 PangoFontMap *fontmap; 262 PangoFontMap *fontmap;
273 PangoRenderer *renderer; 263 PangoRenderer *renderer;
264 PangoOpenGLRenderer *gl;
274 265
275 context = pango_layout_get_context (layout); 266 context = pango_layout_get_context (layout);
276 fontmap = pango_context_get_font_map (context); 267 fontmap = pango_context_get_font_map (context);
277 renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap)); 268 renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap));
278
279 PANGO_OPENGL_RENDERER (renderer)->r = r; 269 gl = PANGO_OPENGL_RENDERER (renderer);
280 PANGO_OPENGL_RENDERER (renderer)->g = g; 270
281 PANGO_OPENGL_RENDERER (renderer)->b = b; 271 gl->rc = rc_alloc ();
282 PANGO_OPENGL_RENDERER (renderer)->a = a; 272 gl->r = r;
273 gl->g = g;
274 gl->b = b;
275 gl->a = a;
276 gl->flags = flags;
283 277
284 pango_renderer_draw_layout (renderer, layout, x, y); 278 pango_renderer_draw_layout (renderer, layout, x, y);
279
280 rc_free (gl->rc);
285} 281}
286 282
287void 283void
288pango_opengl_render_layout (PangoLayout *layout, 284pango_opengl_render_layout (PangoLayout *layout,
289 int x, int y, 285 int x, int y,
290 float r, float g, float b, float a) 286 float r, float g, float b, float a,
287 int flags)
291{ 288{
292 pango_opengl_render_layout_subpixel (layout, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a); 289 pango_opengl_render_layout_subpixel (layout, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags);
293} 290}
294 291
295static void 292static void
296pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) 293pango_opengl_renderer_init (PangoOpenGLRenderer *renderer)
297{ 294{
295 memset (&renderer->key, 0, sizeof (rc_key_t));
296
298 renderer->r = 1.; 297 renderer->r = 1.;
299 renderer->g = 1.; 298 renderer->g = 1.;
300 renderer->b = 1.; 299 renderer->b = 1.;
301 renderer->a = 1.; 300 renderer->a = 1.;
302} 301}
… …
305prepare_run (PangoRenderer *renderer, PangoLayoutRun *run) 304prepare_run (PangoRenderer *renderer, PangoLayoutRun *run)
306{ 305{
307 PangoOpenGLRenderer *glrenderer = (PangoOpenGLRenderer *)renderer; 306 PangoOpenGLRenderer *glrenderer = (PangoOpenGLRenderer *)renderer;
308 PangoColor *fg = 0; 307 PangoColor *fg = 0;
309 GSList *l; 308 GSList *l;
309 unsigned char r, g, b, a;
310 310
311 renderer->underline = PANGO_UNDERLINE_NONE; 311 renderer->underline = PANGO_UNDERLINE_NONE;
312 renderer->strikethrough = FALSE; 312 renderer->strikethrough = FALSE;
313
314 glrenderer->key.mode = GL_QUADS;
315 glrenderer->key.format = GL_T2F_V3F;
316 glrenderer->key.texname = 0;
313 317
314 for (l = run->item->analysis.extra_attrs; l; l = l->next) 318 for (l = run->item->analysis.extra_attrs; l; l = l->next)
315 { 319 {
316 PangoAttribute *attr = l->data; 320 PangoAttribute *attr = l->data;
317 321
… …
333 break; 337 break;
334 } 338 }
335 } 339 }
336 340
337 if (fg) 341 if (fg)
338 glColor4f (fg->red / 65535., fg->green / 65535., fg->blue / 65535., glrenderer->a); 342 {
343 r = fg->red * (255.f / 65535.f);
344 g = fg->green * (255.f / 65535.f);
345 b = fg->blue * (255.f / 65535.f);
346 }
339 else 347 else
340 glColor4f (glrenderer->r, glrenderer->g, glrenderer->b, glrenderer->a); 348 {
349 r = glrenderer->r * 255.f;
350 g = glrenderer->g * 255.f;
351 b = glrenderer->b * 255.f;
352 }
353
354 a = glrenderer->a * 255.f;
355
356 if (glrenderer->flags & FLAG_INVERSE)
357 {
358 r ^= 0xffU;
359 g ^= 0xffU;
360 b ^= 0xffU;
361 }
362
363 glrenderer->key.r = r;
364 glrenderer->key.g = g;
365 glrenderer->key.b = b;
366 glrenderer->key.a = a;
341} 367}
342 368
343static void 369static void
344draw_begin (PangoRenderer *renderer_) 370draw_begin (PangoRenderer *renderer_)
345{ 371{
346 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; 372 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_;
347
348 renderer->curtex = 0;
349 373
350 glEnable (GL_TEXTURE_2D); 374 glEnable (GL_TEXTURE_2D);
351 glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); 375 glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
352 glEnable (GL_BLEND); 376 glEnable (GL_BLEND);
353 gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, 377 gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
… …
359static void 383static void
360draw_end (PangoRenderer *renderer_) 384draw_end (PangoRenderer *renderer_)
361{ 385{
362 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; 386 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_;
363 387
364 if (renderer->curtex) 388 rc_draw (renderer->rc);
365 glEnd ();
366 389
367 glDisable (GL_ALPHA_TEST); 390 glDisable (GL_ALPHA_TEST);
368 glDisable (GL_BLEND); 391 glDisable (GL_BLEND);
369 glDisable (GL_TEXTURE_2D); 392 glDisable (GL_TEXTURE_2D);
370} 393}

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines