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/cvs/deliantra/Deliantra-Client/pango-render.c
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Comparing deliantra/Deliantra-Client/pango-render.c (file contents):
Revision 1.8 by root, Sat Aug 11 11:32:29 2007 UTC vs.
Revision 1.14 by root, Sun Jan 13 08:22:33 2008 UTC

… …
164static void 164static void
165draw_glyph (PangoRenderer *renderer_, PangoFont *font, PangoGlyph glyph, double x, double y) 165draw_glyph (PangoRenderer *renderer_, PangoFont *font, PangoGlyph glyph, double x, double y)
166{ 166{
167 PangoOpenGLRenderer *renderer = PANGO_OPENGL_RENDERER (renderer_); 167 PangoOpenGLRenderer *renderer = PANGO_OPENGL_RENDERER (renderer_);
168 glyph_info *g; 168 glyph_info *g;
169 float x1, y1, x2, y2;
170 169
171 if (glyph & PANGO_GLYPH_UNKNOWN_FLAG) 170 if (glyph & PANGO_GLYPH_UNKNOWN_FLAG)
172 { 171 {
173 glyph = pango_opengl_get_unknown_glyph (font); 172 glyph = pango_opengl_get_unknown_glyph (font);
174 173
… …
181 if (!g || g->generation != tc_generation) 180 if (!g || g->generation != tc_generation)
182 { 181 {
183 Glyph bm; 182 Glyph bm;
184 font_render_glyph (&bm, font, glyph); 183 font_render_glyph (&bm, font, glyph);
185 184
186 if (g) 185 if (!g)
187 g->generation = tc_generation;
188 else
189 { 186 {
190 g = g_slice_new (glyph_info); 187 g = g_slice_new (glyph_info);
191 188
192 _pango_opengl_font_set_glyph_cache_destroy (font, (GDestroyNotify)free_glyph_info); 189 _pango_opengl_font_set_glyph_cache_destroy (font, (GDestroyNotify)free_glyph_info);
193 _pango_opengl_font_set_cache_glyph_data (font, glyph, g); 190 _pango_opengl_font_set_cache_glyph_data (font, glyph, g);
194 } 191 }
195 192
193 g->generation = tc_generation;
196 tc_get (&g->tex, bm.width, bm.height); 194 tc_get (&g->tex, bm.width, bm.height);
197 195
198 g->left = bm.left; 196 g->left = bm.left;
199 g->top = bm.top; 197 g->top = bm.top;
200 198
199 if (bm.width && bm.height)
200 {
201 glBindTexture (GL_TEXTURE_2D, g->tex.name); 201 glBindTexture (GL_TEXTURE_2D, g->tex.name);
202 glPixelStorei (GL_UNPACK_ROW_LENGTH, bm.stride); 202 glPixelStorei (GL_UNPACK_ROW_LENGTH, bm.stride);
203 glPixelStorei (GL_UNPACK_ALIGNMENT, 1); 203 glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
204 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);
205 glPixelStorei (GL_UNPACK_ROW_LENGTH, 0); 205 glPixelStorei (GL_UNPACK_ROW_LENGTH, 0);
206 glPixelStorei (GL_UNPACK_ALIGNMENT, 4); 206 glPixelStorei (GL_UNPACK_ALIGNMENT, 4);
207 }
207 } 208 }
208 209
209 x += g->left; 210 x += g->left;
210 y -= g->top; 211 y -= g->top;
211 212
212 x1 = g->tex.x * (1. / TC_WIDTH );
213 y1 = g->tex.y * (1. / TC_HEIGHT);
214 x2 = g->tex.w * (1. / TC_WIDTH ) + x1;
215 y2 = g->tex.h * (1. / TC_HEIGHT) + y1;
216
217 if (g->tex.name != renderer->key.texname) 213 if (g->tex.name != renderer->key.texname)
218 { 214 {
219 renderer->key.texname = g->tex.name; 215 renderer->key.texname = g->tex.name;
220 renderer->arr = rc_array (renderer->rc, &renderer->key); 216 renderer->arr = rc_array (renderer->rc, &renderer->key);
221 } 217 }
222 218
223 rc_t2f_v3f (renderer->arr, x1, y1, x , y , 0); 219 rc_glyph (renderer->arr, g->tex.x, g->tex.y, g->tex.w, g->tex.h, x, y);
224 rc_t2f_v3f (renderer->arr, x2, y1, x + g->tex.w, y , 0);
225 rc_t2f_v3f (renderer->arr, x2, y2, x + g->tex.w, y + g->tex.h, 0);
226 rc_t2f_v3f (renderer->arr, x1, y2, x , y + g->tex.h, 0);
227} 220}
228 221
229static void 222static void
230draw_trapezoid (PangoRenderer *renderer_, 223draw_trapezoid (PangoRenderer *renderer_,
231 PangoRenderPart part, 224 PangoRenderPart part,
… …
252 rc_v2f (arr, x12, y2); 245 rc_v2f (arr, x12, y2);
253} 246}
254 247
255void 248void
256pango_opengl_render_layout_subpixel (PangoLayout *layout, 249pango_opengl_render_layout_subpixel (PangoLayout *layout,
250 rc_t *rc,
257 int x, int y, 251 int x, int y,
258 float r, float g, float b, float a, 252 float r, float g, float b, float a,
259 int flags) 253 int flags)
260{ 254{
261 PangoContext *context; 255 PangoContext *context;
… …
266 context = pango_layout_get_context (layout); 260 context = pango_layout_get_context (layout);
267 fontmap = pango_context_get_font_map (context); 261 fontmap = pango_context_get_font_map (context);
268 renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap)); 262 renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap));
269 gl = PANGO_OPENGL_RENDERER (renderer); 263 gl = PANGO_OPENGL_RENDERER (renderer);
270 264
271 gl->rc = rc_alloc (); 265 gl->rc = rc;
272 gl->r = r; 266 gl->r = r;
273 gl->g = g; 267 gl->g = g;
274 gl->b = b; 268 gl->b = b;
275 gl->a = a; 269 gl->a = a;
276 gl->flags = flags; 270 gl->flags = flags;
277 271
278 pango_renderer_draw_layout (renderer, layout, x, y); 272 pango_renderer_draw_layout (renderer, layout, x, y);
279
280 rc_free (gl->rc);
281} 273}
282 274
283void 275void
284pango_opengl_render_layout (PangoLayout *layout, 276pango_opengl_render_layout (PangoLayout *layout,
277 rc_t *rc,
285 int x, int y, 278 int x, int y,
286 float r, float g, float b, float a, 279 float r, float g, float b, float a,
287 int flags) 280 int flags)
288{ 281{
289 pango_opengl_render_layout_subpixel (layout, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags); 282 pango_opengl_render_layout_subpixel (
283 layout, rc, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags
284 );
290} 285}
291 286
292static void 287static void
293pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) 288pango_opengl_renderer_init (PangoOpenGLRenderer *renderer)
294{ 289{
… …
301} 296}
302 297
303static void 298static void
304prepare_run (PangoRenderer *renderer, PangoLayoutRun *run) 299prepare_run (PangoRenderer *renderer, PangoLayoutRun *run)
305{ 300{
306 PangoOpenGLRenderer *glrenderer = (PangoOpenGLRenderer *)renderer; 301 PangoOpenGLRenderer *gl = (PangoOpenGLRenderer *)renderer;
307 PangoColor *fg = 0; 302 PangoColor *fg = 0;
308 GSList *l; 303 GSList *l;
309 unsigned char r, g, b, a; 304 unsigned char r, g, b, a;
310 305
311 renderer->underline = PANGO_UNDERLINE_NONE; 306 renderer->underline = PANGO_UNDERLINE_NONE;
312 renderer->strikethrough = FALSE; 307 renderer->strikethrough = FALSE;
313 308
314 glrenderer->key.mode = GL_QUADS; 309 gl->key.mode = GL_QUADS;
315 glrenderer->key.format = GL_T2F_V3F; 310 gl->key.format = 0; // glyphs
316 glrenderer->key.texname = 0; 311 gl->key.texname = 0;
317 312
318 for (l = run->item->analysis.extra_attrs; l; l = l->next) 313 for (l = run->item->analysis.extra_attrs; l; l = l->next)
319 { 314 {
320 PangoAttribute *attr = l->data; 315 PangoAttribute *attr = l->data;
321 316
… …
344 g = fg->green * (255.f / 65535.f); 339 g = fg->green * (255.f / 65535.f);
345 b = fg->blue * (255.f / 65535.f); 340 b = fg->blue * (255.f / 65535.f);
346 } 341 }
347 else 342 else
348 { 343 {
349 r = glrenderer->r * 255.f; 344 r = gl->r * 255.f;
350 g = glrenderer->g * 255.f; 345 g = gl->g * 255.f;
351 b = glrenderer->b * 255.f; 346 b = gl->b * 255.f;
352 } 347 }
353 348
354 a = glrenderer->a * 255.f; 349 a = gl->a * 255.f;
355 350
356 if (glrenderer->flags & FLAG_INVERSE) 351 if (gl->flags & FLAG_INVERSE)
357 { 352 {
358 r ^= 0xffU; 353 r ^= 0xffU;
359 g ^= 0xffU; 354 g ^= 0xffU;
360 b ^= 0xffU; 355 b ^= 0xffU;
361 } 356 }
362 357
363 glrenderer->key.r = r; 358 gl->key.r = r;
364 glrenderer->key.g = g; 359 gl->key.g = g;
365 glrenderer->key.b = b; 360 gl->key.b = b;
366 glrenderer->key.a = a; 361 gl->key.a = a;
367} 362}
368 363
369static void 364static void
370draw_begin (PangoRenderer *renderer_) 365draw_begin (PangoRenderer *renderer_)
371{ 366{
372 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; 367 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_;
373
374 glEnable (GL_TEXTURE_2D);
375 glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
376 glEnable (GL_BLEND);
377 gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
378 GL_ONE , GL_ONE_MINUS_SRC_ALPHA);
379 glEnable (GL_ALPHA_TEST);
380 glAlphaFunc (GL_GREATER, 0.01f);
381} 368}
382 369
383static void 370static void
384draw_end (PangoRenderer *renderer_) 371draw_end (PangoRenderer *renderer_)
385{ 372{
386 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; 373 PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_;
387
388 rc_draw (renderer->rc);
389
390 glDisable (GL_ALPHA_TEST);
391 glDisable (GL_BLEND);
392 glDisable (GL_TEXTURE_2D);
393} 374}
394 375
395static void 376static void
396pango_opengl_renderer_class_init (PangoOpenGLRendererClass *klass) 377pango_opengl_renderer_class_init (PangoOpenGLRendererClass *klass)
397{ 378{

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