1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/gpu/GrTextContext.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,56 @@
1.4 +/*
1.5 + * Copyright 2010 Google Inc.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license that can be
1.8 + * found in the LICENSE file.
1.9 + */
1.10 +
1.11 +#ifndef GrTextContext_DEFINED
1.12 +#define GrTextContext_DEFINED
1.13 +
1.14 +#include "GrPoint.h"
1.15 +#include "GrGlyph.h"
1.16 +#include "GrPaint.h"
1.17 +#include "SkDeviceProperties.h"
1.18 +
1.19 +#include "SkPostConfig.h"
1.20 +
1.21 +class GrContext;
1.22 +class GrDrawTarget;
1.23 +class GrFontScaler;
1.24 +
1.25 +/*
1.26 + * This class wraps the state for a single text render
1.27 + */
1.28 +class GrTextContext {
1.29 +public:
1.30 + virtual ~GrTextContext() {}
1.31 + virtual void drawText(const GrPaint&, const SkPaint&, const char text[], size_t byteLength,
1.32 + SkScalar x, SkScalar y) = 0;
1.33 + virtual void drawPosText(const GrPaint&, const SkPaint&,
1.34 + const char text[], size_t byteLength,
1.35 + const SkScalar pos[], SkScalar constY,
1.36 + int scalarsPerPosition) = 0;
1.37 +
1.38 + virtual bool canDraw(const SkPaint& paint) = 0;
1.39 +
1.40 +protected:
1.41 + GrTextContext(GrContext*, const SkDeviceProperties&);
1.42 +
1.43 + static GrFontScaler* GetGrFontScaler(SkGlyphCache* cache);
1.44 + static void MeasureText(SkGlyphCache* cache, SkDrawCacheProc glyphCacheProc,
1.45 + const char text[], size_t byteLength, SkVector* stopVector);
1.46 +
1.47 + void init(const GrPaint&, const SkPaint&);
1.48 + void finish() { fDrawTarget = NULL; }
1.49 +
1.50 + GrContext* fContext;
1.51 + SkDeviceProperties fDeviceProperties;
1.52 +
1.53 + GrDrawTarget* fDrawTarget;
1.54 + SkIRect fClipRect;
1.55 + GrPaint fPaint;
1.56 + SkPaint fSkPaint;
1.57 +};
1.58 +
1.59 +#endif
