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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 #ifndef GrAtlasTextContext_DEFINED | 8 #ifndef GrAtlasTextContext_DEFINED |
9 #define GrAtlasTextContext_DEFINED | 9 #define GrAtlasTextContext_DEFINED |
10 | 10 |
11 #include "GrTextContext.h" | 11 #include "GrTextContext.h" |
12 | 12 |
13 #include "GrBatchAtlas.h" | 13 #include "GrBatchAtlas.h" |
14 #include "GrBatchFontCache.h" | 14 #include "GrBatchFontCache.h" |
15 #include "GrGeometryProcessor.h" | 15 #include "GrGeometryProcessor.h" |
16 #include "SkDescriptor.h" | 16 #include "SkDescriptor.h" |
17 #include "GrMemoryPool.h" | 17 #include "GrMemoryPool.h" |
18 #include "SkMaskFilter.h" | 18 #include "SkMaskFilter.h" |
19 #include "SkTextBlob.h" | 19 #include "SkTextBlob.h" |
20 #include "SkTInternalLList.h" | 20 #include "SkTInternalLList.h" |
21 | 21 |
22 #ifdef GR_TEST_UTILS | 22 #ifdef GR_TEST_UTILS |
23 #include "GrBatchTest.h" | 23 #include "GrBatchTest.h" |
24 #endif | 24 #endif |
25 | 25 |
26 class BitmapTextBatch; | 26 class BitmapTextBatch; |
27 class GrDrawContext; | 27 class GrDrawContext; |
| 28 class GrDrawTarget; |
28 class GrPipelineBuilder; | 29 class GrPipelineBuilder; |
29 class GrTextBlobCache; | 30 class GrTextBlobCache; |
30 | 31 |
31 /* | 32 /* |
32 * This class implements GrTextContext using standard bitmap fonts, and can also
process textblobs. | 33 * This class implements GrTextContext using standard bitmap fonts, and can also
process textblobs. |
33 * TODO replace GrBitmapTextContext | 34 * TODO replace GrBitmapTextContext |
34 */ | 35 */ |
35 class GrAtlasTextContext : public GrTextContext { | 36 class GrAtlasTextContext : public GrTextContext { |
36 public: | 37 public: |
37 static GrAtlasTextContext* Create(GrContext*, const SkDeviceProperties&, | 38 static GrAtlasTextContext* Create(GrContext*, GrDrawContext*, |
38 bool enableDistanceFields); | 39 const SkDeviceProperties&, bool enableDist
anceFields); |
39 | 40 |
40 private: | 41 private: |
41 GrAtlasTextContext(GrContext*, const SkDeviceProperties&, bool enableDistanc
eFields); | 42 GrAtlasTextContext(GrContext*, GrDrawContext*, const SkDeviceProperties&, bo
ol useDFT); |
42 ~GrAtlasTextContext() override {} | 43 ~GrAtlasTextContext() override {} |
43 | 44 |
44 bool canDraw(const GrRenderTarget*, const GrClip&, const GrPaint&, | 45 bool canDraw(const GrRenderTarget*, const GrClip&, const GrPaint&, |
45 const SkPaint&, const SkMatrix& viewMatrix) override; | 46 const SkPaint&, const SkMatrix& viewMatrix) override; |
46 | 47 |
47 void onDrawText(GrDrawContext*, GrRenderTarget*, const GrClip&, const GrPain
t&, const SkPaint&, | 48 void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPain
t&, |
48 const SkMatrix& viewMatrix, const char text[], size_t byteLe
ngth, | 49 const SkMatrix& viewMatrix, const char text[], size_t byteLe
ngth, |
49 SkScalar x, SkScalar y, const SkIRect& regionClipBounds) ove
rride; | 50 SkScalar x, SkScalar y, const SkIRect& regionClipBounds) ove
rride; |
50 void onDrawPosText(GrDrawContext*, GrRenderTarget*, const GrClip&, const GrP
aint&, | 51 void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, |
51 const SkPaint&, const SkMatrix& viewMatrix, | 52 const SkPaint&, const SkMatrix& viewMatrix, |
52 const char text[], size_t byteLength, | 53 const char text[], size_t byteLength, |
53 const SkScalar pos[], int scalarsPerPosition, | 54 const SkScalar pos[], int scalarsPerPosition, |
54 const SkPoint& offset, const SkIRect& regionClipBounds) o
verride; | 55 const SkPoint& offset, const SkIRect& regionClipBounds) o
verride; |
55 void drawTextBlob(GrRenderTarget*, const GrClip&, const SkPaint&, | 56 void drawTextBlob(GrRenderTarget*, const GrClip&, const SkPaint&, |
56 const SkMatrix& viewMatrix, const SkTextBlob*, SkScalar x,
SkScalar y, | 57 const SkMatrix& viewMatrix, const SkTextBlob*, SkScalar x,
SkScalar y, |
57 SkDrawFilter*, const SkIRect& clipBounds) override; | 58 SkDrawFilter*, const SkIRect& clipBounds) override; |
58 | 59 |
59 /* | 60 /* |
60 * A BitmapTextBlob contains a fully processed SkTextBlob, suitable for near
ly immediate drawing | 61 * A BitmapTextBlob contains a fully processed SkTextBlob, suitable for near
ly immediate drawing |
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264 bool dfAppendGlyph(BitmapTextBlob*, int runIndex, GrGlyph::PackedID, SkScala
r sx, SkScalar sy, | 265 bool dfAppendGlyph(BitmapTextBlob*, int runIndex, GrGlyph::PackedID, SkScala
r sx, SkScalar sy, |
265 GrColor color, GrFontScaler*, const SkIRect& clipRect, Sk
Scalar textRatio, | 266 GrColor color, GrFontScaler*, const SkIRect& clipRect, Sk
Scalar textRatio, |
266 const SkMatrix& viewMatrix); | 267 const SkMatrix& viewMatrix); |
267 inline void appendGlyphPath(BitmapTextBlob* blob, GrGlyph* glyph, | 268 inline void appendGlyphPath(BitmapTextBlob* blob, GrGlyph* glyph, |
268 GrFontScaler* scaler, SkScalar x, SkScalar y); | 269 GrFontScaler* scaler, SkScalar x, SkScalar y); |
269 inline void appendGlyphCommon(BitmapTextBlob*, Run*, Run::SubRunInfo*, | 270 inline void appendGlyphCommon(BitmapTextBlob*, Run*, Run::SubRunInfo*, |
270 const SkRect& positions, GrColor color, | 271 const SkRect& positions, GrColor color, |
271 size_t vertexStride, bool useVertexColor, | 272 size_t vertexStride, bool useVertexColor, |
272 GrGlyph*); | 273 GrGlyph*); |
273 | 274 |
274 inline void flushRunAsPaths(GrDrawContext*, GrRenderTarget*, | 275 inline void flushRunAsPaths(GrRenderTarget*, |
275 const SkTextBlob::RunIterator&, const GrClip& cl
ip, | 276 const SkTextBlob::RunIterator&, const GrClip& cl
ip, |
276 const SkPaint&, SkDrawFilter*, | 277 const SkPaint&, SkDrawFilter*, |
277 const SkMatrix& viewMatrix, const SkIRect& clipB
ounds, SkScalar x, | 278 const SkMatrix& viewMatrix, const SkIRect& clipB
ounds, SkScalar x, |
278 SkScalar y); | 279 SkScalar y); |
279 inline BitmapTextBatch* createBatch(BitmapTextBlob*, const PerSubRunInfo&, | 280 inline BitmapTextBatch* createBatch(BitmapTextBlob*, const PerSubRunInfo&, |
280 int glyphCount, int run, int subRun, | 281 int glyphCount, int run, int subRun, |
281 GrColor, SkScalar transX, SkScalar trans
Y, | 282 GrColor, SkScalar transX, SkScalar trans
Y, |
282 const SkPaint&); | 283 const SkPaint&); |
283 inline void flushRun(GrDrawContext*, GrPipelineBuilder*, BitmapTextBlob*, in
t run, GrColor, | 284 inline void flushRun(GrPipelineBuilder*, BitmapTextBlob*, int run, GrColor, |
284 SkScalar transX, SkScalar transY, const SkPaint&); | 285 SkScalar transX, SkScalar transY, const SkPaint&); |
285 inline void flushBigGlyphs(BitmapTextBlob* cacheBlob, GrDrawContext*, GrRend
erTarget*, | 286 inline void flushBigGlyphs(BitmapTextBlob* cacheBlob, GrRenderTarget*, |
286 const GrClip& clip, const SkPaint& skPaint, | 287 const GrClip& clip, const SkPaint& skPaint, |
287 SkScalar transX, SkScalar transY, const SkIRect&
clipBounds); | 288 SkScalar transX, SkScalar transY, const SkIRect&
clipBounds); |
288 | 289 |
289 // We have to flush SkTextBlobs differently from drawText / drawPosText | 290 // We have to flush SkTextBlobs differently from drawText / drawPosText |
290 void flush(GrDrawContext*, const SkTextBlob*, BitmapTextBlob*, GrRenderTarge
t*, | 291 void flush(const SkTextBlob*, BitmapTextBlob*, GrRenderTarget*, |
291 const SkPaint&, const GrPaint&, SkDrawFilter*, const GrClip&, | 292 const SkPaint&, const GrPaint&, SkDrawFilter*, const GrClip&, |
292 const SkMatrix& viewMatrix, const SkIRect& clipBounds, SkScalar x
, SkScalar y, | 293 const SkMatrix& viewMatrix, const SkIRect& clipBounds, SkScalar x
, SkScalar y, |
293 SkScalar transX, SkScalar transY); | 294 SkScalar transX, SkScalar transY); |
294 void flush(GrDrawContext*, BitmapTextBlob*, GrRenderTarget*, const SkPaint&, | 295 void flush(BitmapTextBlob*, GrRenderTarget*, const SkPaint&, |
295 const GrPaint&, const GrClip&, const SkIRect& clipBounds); | 296 const GrPaint&, const GrClip&, const SkIRect& clipBounds); |
296 | 297 |
297 // A helper for drawing BitmapText in a run of distance fields | 298 // A helper for drawing BitmapText in a run of distance fields |
298 inline void fallbackDrawPosText(BitmapTextBlob*, int runIndex, | 299 inline void fallbackDrawPosText(BitmapTextBlob*, int runIndex, |
299 GrRenderTarget*, const GrClip&, | 300 GrRenderTarget*, const GrClip&, |
300 const GrPaint&, | 301 const GrPaint&, |
301 const SkPaint&, const SkMatrix& viewMatrix, | 302 const SkPaint&, const SkMatrix& viewMatrix, |
302 const SkTDArray<char>& fallbackTxt, | 303 const SkTDArray<char>& fallbackTxt, |
303 const SkTDArray<SkScalar>& fallbackPos, | 304 const SkTDArray<SkScalar>& fallbackPos, |
304 int scalarsPerPosition, | 305 int scalarsPerPosition, |
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391 friend class BitmapTextBatch; | 392 friend class BitmapTextBatch; |
392 | 393 |
393 #ifdef GR_TEST_UTILS | 394 #ifdef GR_TEST_UTILS |
394 BATCH_TEST_FRIEND(TextBlobBatch); | 395 BATCH_TEST_FRIEND(TextBlobBatch); |
395 #endif | 396 #endif |
396 | 397 |
397 typedef GrTextContext INHERITED; | 398 typedef GrTextContext INHERITED; |
398 }; | 399 }; |
399 | 400 |
400 #endif | 401 #endif |
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