Index: src/gpu/GrBitmapTextContext.h |
diff --git a/src/gpu/GrBitmapTextContext.h b/src/gpu/GrBitmapTextContext.h |
index e389f814806ac113e0e746e44d313bcfea055cb9..ad00939a13e17b0773f82933d7922fb7407bd3a1 100644 |
--- a/src/gpu/GrBitmapTextContext.h |
+++ b/src/gpu/GrBitmapTextContext.h |
@@ -11,6 +11,108 @@ |
#include "GrTextContext.h" |
#include "GrGeometryProcessor.h" |
+#include "SkTHash.h" |
+ |
+class GrBatchTextStrike; |
+class GrPipelineBuilder; |
+ |
+/* |
+ * This class implements GrTextContext using standard bitmap fonts, and can also process textblobs. |
+ * TODO replace GrBitmapTextContext |
+ */ |
+class GrBitmapTextContextB : public GrTextContext { |
+public: |
+ static GrBitmapTextContextB* Create(GrContext*, SkGpuDevice*, const SkDeviceProperties&); |
+ |
+ virtual ~GrBitmapTextContextB(); |
+ |
+private: |
+ GrBitmapTextContextB(GrContext*, SkGpuDevice*, const SkDeviceProperties&); |
+ |
+ bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) SK_OVERRIDE; |
+ |
+ void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&, |
+ const SkMatrix& viewMatrix, const char text[], size_t byteLength, |
+ SkScalar x, SkScalar y, const SkIRect& regionClipBounds) SK_OVERRIDE; |
+ void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&, |
+ const SkMatrix& viewMatrix, |
+ const char text[], size_t byteLength, |
+ const SkScalar pos[], int scalarsPerPosition, |
+ const SkPoint& offset, const SkIRect& regionClipBounds) SK_OVERRIDE; |
+ void onDrawTextBlob(GrRenderTarget*, const GrClip&, const SkPaint&, |
+ const SkMatrix& viewMatrix, const SkTextBlob*, |
+ SkScalar x, SkScalar y, SkDrawFilter*, |
+ const SkIRect& clipBounds) SK_OVERRIDE; |
+ |
+ void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&, |
+ const SkIRect& regionClipBounds); |
+ |
+ struct BitmapTextBlob : public SkRefCnt { |
bsalomon
2015/03/26 17:06:56
Comment on what this encapsulates? I get why it is
joshualitt
2015/03/26 18:21:43
Acknowledged.
|
+ struct Run { |
+ Run() : fColor(GrColor_ILLEGAL) { fVertexBounds.setLargestInverted(); } |
+ struct TextInfo { |
bsalomon
2015/03/26 17:06:56
"PerFormatInfo"?
Comment somewhere that we consid
joshualitt
2015/03/26 18:21:43
Acknowledged.
|
+ TextInfo() : fAtlasGeneration(GrBatchAtlas::kInvalidAtlasGeneration) {} |
+ SkTDArray<unsigned char> fVertices; |
+ SkTDArray<GrGlyph::PackedID> fGlyphIDs; |
+ uint32_t fAtlasGeneration; |
+ }; |
+ SkAutoTUnref<const SkData> fDescriptor; |
+ SkAutoTUnref<SkTypeface> fTypeface; |
+ TextInfo fInfos[kMaskFormatCount]; |
+ SkRect fVertexBounds; |
+ GrColor fColor; |
+ }; |
+ SkSTArray<1, Run, true> fRuns; |
+ struct BigGlyph { |
+ BigGlyph(const SkPath& path, int vx, int vy) : fPath(path), fVx(vx), fVy(vy) {} |
+ SkPath fPath; |
+ int fVx; |
+ int fVy; |
+ }; |
+ SkTArray<BigGlyph> fBigGlyphs; |
+ SkTextBlob* fBlob; |
+ SkMatrix fViewMatrix; |
+ SkScalar fX; |
+ SkScalar fY; |
+ SkPaint::Style fStyle; |
+ |
+ static uint32_t Hash(const uint32_t& key) { |
+ return SkChecksum::Mix(key); |
+ } |
+ }; |
+ |
+ void appendGlyph(BitmapTextBlob*, int runIndex, GrGlyph::PackedID, int left, int top, |
+ GrFontScaler*, const SkIRect& clipRect); |
+ void flush(GrDrawTarget*, BitmapTextBlob*, int i, GrPipelineBuilder*, GrMaskFormat, |
+ GrColor color, int paintAlpha); |
+ void flush(GrDrawTarget*, BitmapTextBlob*, GrRenderTarget*, const GrPaint&, const GrClip&, |
+ const SkMatrix& viewMatrix, int paintAlpha); |
+ |
+ void internalDrawText(BitmapTextBlob*, int runIndex, const SkPaint&, |
+ const SkMatrix& viewMatrix, const char text[], size_t byteLength, |
+ SkScalar x, SkScalar y, const SkIRect& clipRect); |
+ void internalDrawPosText(BitmapTextBlob*, int runIndex, const SkPaint&, |
+ const SkMatrix& viewMatrix, |
+ const char text[], size_t byteLength, |
+ const SkScalar pos[], int scalarsPerPosition, |
+ const SkPoint& offset, const SkIRect& clipRect); |
+ |
+ static inline bool MustRegenerateBlob(const BitmapTextBlob&, const SkPaint&, |
+ const SkMatrix& viewMatrix, SkScalar x, SkScalar y); |
+ void regenerateTextBlob(BitmapTextBlob* bmp, const SkPaint& skPaint, const SkMatrix& viewMatrix, |
+ const SkTextBlob* blob, SkScalar x, SkScalar y, |
+ SkDrawFilter* drawFilter, const SkIRect& clipRect); |
+ |
+ GrBatchTextStrike* fStrike; |
bsalomon
2015/03/26 17:06:56
Is this a current strike that is often updated? fC
joshualitt
2015/03/26 18:21:43
I only use this to avoid getting the strike multip
|
+ |
+ // TODO use real cache |
+ static void ClearCacheEntry(uint32_t key, BitmapTextBlob**); |
+ SkTHashMap<uint32_t, BitmapTextBlob*, BitmapTextBlob::Hash> fCache; |
+ |
+ friend class BitmapTextBatch; |
+ |
+ typedef GrTextContext INHERITED; |
+}; |
class GrTextStrike; |