… | |
… | |
252 | rc_v2f (arr, x12, y2); |
252 | rc_v2f (arr, x12, y2); |
253 | } |
253 | } |
254 | |
254 | |
255 | void |
255 | void |
256 | pango_opengl_render_layout_subpixel (PangoLayout *layout, |
256 | pango_opengl_render_layout_subpixel (PangoLayout *layout, |
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257 | rc_t *rc, |
257 | int x, int y, |
258 | int x, int y, |
258 | float r, float g, float b, float a, |
259 | float r, float g, float b, float a, |
259 | int flags) |
260 | int flags) |
260 | { |
261 | { |
261 | PangoContext *context; |
262 | PangoContext *context; |
… | |
… | |
266 | context = pango_layout_get_context (layout); |
267 | context = pango_layout_get_context (layout); |
267 | fontmap = pango_context_get_font_map (context); |
268 | fontmap = pango_context_get_font_map (context); |
268 | renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap)); |
269 | renderer = _pango_opengl_font_map_get_renderer (PANGO_OPENGL_FONT_MAP (fontmap)); |
269 | gl = PANGO_OPENGL_RENDERER (renderer); |
270 | gl = PANGO_OPENGL_RENDERER (renderer); |
270 | |
271 | |
271 | gl->rc = rc_alloc (); |
272 | gl->rc = rc; |
272 | gl->r = r; |
273 | gl->r = r; |
273 | gl->g = g; |
274 | gl->g = g; |
274 | gl->b = b; |
275 | gl->b = b; |
275 | gl->a = a; |
276 | gl->a = a; |
276 | gl->flags = flags; |
277 | gl->flags = flags; |
277 | |
278 | |
278 | pango_renderer_draw_layout (renderer, layout, x, y); |
279 | pango_renderer_draw_layout (renderer, layout, x, y); |
279 | |
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280 | rc_free (gl->rc); |
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281 | } |
280 | } |
282 | |
281 | |
283 | void |
282 | void |
284 | pango_opengl_render_layout (PangoLayout *layout, |
283 | pango_opengl_render_layout (PangoLayout *layout, |
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284 | rc_t *rc, |
285 | int x, int y, |
285 | int x, int y, |
286 | float r, float g, float b, float a, |
286 | float r, float g, float b, float a, |
287 | int flags) |
287 | int flags) |
288 | { |
288 | { |
289 | pango_opengl_render_layout_subpixel (layout, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags); |
289 | pango_opengl_render_layout_subpixel ( |
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290 | layout, rc, x * PANGO_SCALE, y * PANGO_SCALE, r, g, b, a, flags |
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291 | ); |
290 | } |
292 | } |
291 | |
293 | |
292 | static void |
294 | static void |
293 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
295 | pango_opengl_renderer_init (PangoOpenGLRenderer *renderer) |
294 | { |
296 | { |
… | |
… | |
301 | } |
303 | } |
302 | |
304 | |
303 | static void |
305 | static void |
304 | prepare_run (PangoRenderer *renderer, PangoLayoutRun *run) |
306 | prepare_run (PangoRenderer *renderer, PangoLayoutRun *run) |
305 | { |
307 | { |
306 | PangoOpenGLRenderer *glrenderer = (PangoOpenGLRenderer *)renderer; |
308 | PangoOpenGLRenderer *gl = (PangoOpenGLRenderer *)renderer; |
307 | PangoColor *fg = 0; |
309 | PangoColor *fg = 0; |
308 | GSList *l; |
310 | GSList *l; |
309 | unsigned char r, g, b, a; |
311 | unsigned char r, g, b, a; |
310 | |
312 | |
311 | renderer->underline = PANGO_UNDERLINE_NONE; |
313 | renderer->underline = PANGO_UNDERLINE_NONE; |
312 | renderer->strikethrough = FALSE; |
314 | renderer->strikethrough = FALSE; |
313 | |
315 | |
314 | glrenderer->key.mode = GL_QUADS; |
316 | gl->key.mode = GL_QUADS; |
315 | glrenderer->key.format = GL_T2F_V3F; |
317 | gl->key.format = GL_T2F_V3F; |
316 | glrenderer->key.texname = 0; |
318 | gl->key.texname = 0; |
317 | |
319 | |
318 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
320 | for (l = run->item->analysis.extra_attrs; l; l = l->next) |
319 | { |
321 | { |
320 | PangoAttribute *attr = l->data; |
322 | PangoAttribute *attr = l->data; |
321 | |
323 | |
… | |
… | |
344 | g = fg->green * (255.f / 65535.f); |
346 | g = fg->green * (255.f / 65535.f); |
345 | b = fg->blue * (255.f / 65535.f); |
347 | b = fg->blue * (255.f / 65535.f); |
346 | } |
348 | } |
347 | else |
349 | else |
348 | { |
350 | { |
349 | r = glrenderer->r * 255.f; |
351 | r = gl->r * 255.f; |
350 | g = glrenderer->g * 255.f; |
352 | g = gl->g * 255.f; |
351 | b = glrenderer->b * 255.f; |
353 | b = gl->b * 255.f; |
352 | } |
354 | } |
353 | |
355 | |
354 | a = glrenderer->a * 255.f; |
356 | a = gl->a * 255.f; |
355 | |
357 | |
356 | if (glrenderer->flags & FLAG_INVERSE) |
358 | if (gl->flags & FLAG_INVERSE) |
357 | { |
359 | { |
358 | r ^= 0xffU; |
360 | r ^= 0xffU; |
359 | g ^= 0xffU; |
361 | g ^= 0xffU; |
360 | b ^= 0xffU; |
362 | b ^= 0xffU; |
361 | } |
363 | } |
362 | |
364 | |
363 | glrenderer->key.r = r; |
365 | gl->key.r = r; |
364 | glrenderer->key.g = g; |
366 | gl->key.g = g; |
365 | glrenderer->key.b = b; |
367 | gl->key.b = b; |
366 | glrenderer->key.a = a; |
368 | gl->key.a = a; |
367 | } |
369 | } |
368 | |
370 | |
369 | static void |
371 | static void |
370 | draw_begin (PangoRenderer *renderer_) |
372 | draw_begin (PangoRenderer *renderer_) |
371 | { |
373 | { |
372 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
374 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
373 | |
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374 | glEnable (GL_TEXTURE_2D); |
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375 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
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376 | glEnable (GL_BLEND); |
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377 | gl_BlendFuncSeparate (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, |
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378 | GL_ONE , GL_ONE_MINUS_SRC_ALPHA); |
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379 | glEnable (GL_ALPHA_TEST); |
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380 | glAlphaFunc (GL_GREATER, 0.01f); |
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381 | } |
375 | } |
382 | |
376 | |
383 | static void |
377 | static void |
384 | draw_end (PangoRenderer *renderer_) |
378 | draw_end (PangoRenderer *renderer_) |
385 | { |
379 | { |
386 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
380 | PangoOpenGLRenderer *renderer = (PangoOpenGLRenderer *)renderer_; |
387 | |
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388 | rc_draw (renderer->rc); |
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389 | |
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390 | glDisable (GL_ALPHA_TEST); |
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391 | glDisable (GL_BLEND); |
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392 | glDisable (GL_TEXTURE_2D); |
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393 | } |
381 | } |
394 | |
382 | |
395 | static void |
383 | static void |
396 | pango_opengl_renderer_class_init (PangoOpenGLRendererClass *klass) |
384 | pango_opengl_renderer_class_init (PangoOpenGLRendererClass *klass) |
397 | { |
385 | { |