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1 /* | 1 /* |
2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "GrFontCache.h" | 8 #include "GrFontCache.h" |
9 #include "GrFontAtlasSizes.h" | 9 #include "GrFontAtlasSizes.h" |
10 #include "GrGpu.h" | 10 #include "GrGpu.h" |
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251 | 251 |
252 #ifdef SK_DEBUG | 252 #ifdef SK_DEBUG |
253 gCounter -= 1; | 253 gCounter -= 1; |
254 // SkDebugf("~GrTextStrike %p %d\n", this, gCounter); | 254 // SkDebugf("~GrTextStrike %p %d\n", this, gCounter); |
255 #endif | 255 #endif |
256 } | 256 } |
257 | 257 |
258 GrGlyph* GrTextStrike::generateGlyph(GrGlyph::PackedID packed, | 258 GrGlyph* GrTextStrike::generateGlyph(GrGlyph::PackedID packed, |
259 GrFontScaler* scaler) { | 259 GrFontScaler* scaler) { |
260 SkIRect bounds; | 260 SkIRect bounds; |
261 if (GrGlyph::kDistance_MaskStyle == GrGlyph::UnpackMaskStyle(packed)) { | 261 if (fUseDistanceField) { |
262 if (!scaler->getPackedGlyphDFBounds(packed, &bounds)) { | 262 if (!scaler->getPackedGlyphDFBounds(packed, &bounds)) { |
263 return NULL; | 263 return NULL; |
264 } | 264 } |
265 } else { | 265 } else { |
266 if (!scaler->getPackedGlyphBounds(packed, &bounds)) { | 266 if (!scaler->getPackedGlyphBounds(packed, &bounds)) { |
267 return NULL; | 267 return NULL; |
268 } | 268 } |
269 } | 269 } |
270 GrMaskFormat format = scaler->getPackedGlyphMaskFormat(packed); | 270 GrMaskFormat format = scaler->getPackedGlyphMaskFormat(packed); |
271 | 271 |
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283 } | 283 } |
284 ++iter; | 284 ++iter; |
285 } | 285 } |
286 | 286 |
287 GrAtlas::RemovePlot(&fPlotUsage, plot); | 287 GrAtlas::RemovePlot(&fPlotUsage, plot); |
288 } | 288 } |
289 | 289 |
290 bool GrTextStrike::glyphTooLargeForAtlas(GrGlyph* glyph) { | 290 bool GrTextStrike::glyphTooLargeForAtlas(GrGlyph* glyph) { |
291 int width = glyph->fBounds.width(); | 291 int width = glyph->fBounds.width(); |
292 int height = glyph->fBounds.height(); | 292 int height = glyph->fBounds.height(); |
293 bool useDistanceField = | 293 int pad = fUseDistanceField ? 2 * SK_DistanceFieldPad : 0; |
294 (GrGlyph::kDistance_MaskStyle == GrGlyph::UnpackMaskStyle
(glyph->fPackedID)); | |
295 int pad = useDistanceField ? 2 * SK_DistanceFieldPad : 0; | |
296 int plotWidth = (kA8_GrMaskFormat == glyph->fMaskFormat) ? GR_FONT_ATLAS_A8_
PLOT_WIDTH | 294 int plotWidth = (kA8_GrMaskFormat == glyph->fMaskFormat) ? GR_FONT_ATLAS_A8_
PLOT_WIDTH |
297 : GR_FONT_ATLAS_PLO
T_WIDTH; | 295 : GR_FONT_ATLAS_PLO
T_WIDTH; |
298 if (width + pad > plotWidth) { | 296 if (width + pad > plotWidth) { |
299 return true; | 297 return true; |
300 } | 298 } |
301 if (height + pad > GR_FONT_ATLAS_PLOT_HEIGHT) { | 299 if (height + pad > GR_FONT_ATLAS_PLOT_HEIGHT) { |
302 return true; | 300 return true; |
303 } | 301 } |
304 | 302 |
305 return false; | 303 return false; |
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316 SkASSERT(fCache.find(glyph->fPackedID)); | 314 SkASSERT(fCache.find(glyph->fPackedID)); |
317 SkASSERT(NULL == glyph->fPlot); | 315 SkASSERT(NULL == glyph->fPlot); |
318 | 316 |
319 SkAutoUnref ar(SkSafeRef(scaler)); | 317 SkAutoUnref ar(SkSafeRef(scaler)); |
320 | 318 |
321 int bytesPerPixel = GrMaskFormatBytesPerPixel(glyph->fMaskFormat); | 319 int bytesPerPixel = GrMaskFormatBytesPerPixel(glyph->fMaskFormat); |
322 | 320 |
323 size_t size = glyph->fBounds.area() * bytesPerPixel; | 321 size_t size = glyph->fBounds.area() * bytesPerPixel; |
324 GrAutoMalloc<1024> storage(size); | 322 GrAutoMalloc<1024> storage(size); |
325 | 323 |
326 if (GrGlyph::kDistance_MaskStyle == GrGlyph::UnpackMaskStyle(glyph->fPackedI
D)) { | 324 if (fUseDistanceField) { |
327 if (!scaler->getPackedGlyphDFImage(glyph->fPackedID, glyph->width(), | 325 if (!scaler->getPackedGlyphDFImage(glyph->fPackedID, glyph->width(), |
328 glyph->height(), | 326 glyph->height(), |
329 storage.get())) { | 327 storage.get())) { |
330 return false; | 328 return false; |
331 } | 329 } |
332 } else { | 330 } else { |
333 if (!scaler->getPackedGlyphImage(glyph->fPackedID, glyph->width(), | 331 if (!scaler->getPackedGlyphImage(glyph->fPackedID, glyph->width(), |
334 glyph->height(), | 332 glyph->height(), |
335 glyph->width() * bytesPerPixel, | 333 glyph->width() * bytesPerPixel, |
336 storage.get())) { | 334 storage.get())) { |
337 return false; | 335 return false; |
338 } | 336 } |
339 } | 337 } |
340 | 338 |
341 GrPlot* plot = fFontCache->addToAtlas(glyph->fMaskFormat, &fPlotUsage, | 339 GrPlot* plot = fFontCache->addToAtlas(glyph->fMaskFormat, &fPlotUsage, |
342 glyph->width(), glyph->height(), | 340 glyph->width(), glyph->height(), |
343 storage.get(), &glyph->fAtlasLocation)
; | 341 storage.get(), &glyph->fAtlasLocation)
; |
344 | 342 |
345 if (NULL == plot) { | 343 if (NULL == plot) { |
346 return false; | 344 return false; |
347 } | 345 } |
348 | 346 |
349 glyph->fPlot = plot; | 347 glyph->fPlot = plot; |
350 return true; | 348 return true; |
351 } | 349 } |
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