skia2/include/gpu/GrFontScaler.h
commit-bot@chromium.org 53e1e4d88a Minor changes to GrFontCache system.
The main change is parameterizing the GrAtlasMgr so it can have a different sized backing texture and a different number of plots. This is in support of the saveLayer cache which has a smaller backing texture and only one plot.

R=jvanverth@google.com, bsalomon@google.com

Author: robertphillips@google.com

Review URL: https://codereview.chromium.org/217423014

git-svn-id: http://skia.googlecode.com/svn/trunk@14011 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-04-01 16:25:11 +00:00

39 lines
1012 B
C++

/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrFontScaler_DEFINED
#define GrFontScaler_DEFINED
#include "GrGlyph.h"
#include "GrKey.h"
class SkPath;
/**
* This is a virtual base class which Gr's interface to the host platform's
* font scaler.
*
* The client is responsible for subclassing, and instantiating this. The
* instance is created for a specific font+size+matrix.
*/
class GrFontScaler : public SkRefCnt {
public:
SK_DECLARE_INST_COUNT(GrFontScaler)
virtual const GrKey* getKey() = 0;
virtual GrMaskFormat getMaskFormat() = 0;
virtual bool getPackedGlyphBounds(GrGlyph::PackedID, SkIRect* bounds) = 0;
virtual bool getPackedGlyphImage(GrGlyph::PackedID, int width, int height,
int rowBytes, void* image) = 0;
virtual bool getGlyphPath(uint16_t glyphID, SkPath*) = 0;
private:
typedef SkRefCnt INHERITED;
};
#endif