gfx/skia/trunk/src/core/SkMipMap.h

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

michael@0 1 /*
michael@0 2 * Copyright 2013 Google Inc.
michael@0 3 *
michael@0 4 * Use of this source code is governed by a BSD-style license that can be
michael@0 5 * found in the LICENSE file.
michael@0 6 */
michael@0 7
michael@0 8 #ifndef SkMipMap_DEFINED
michael@0 9 #define SkMipMap_DEFINED
michael@0 10
michael@0 11 #include "SkRefCnt.h"
michael@0 12 #include "SkScalar.h"
michael@0 13
michael@0 14 class SkBitmap;
michael@0 15
michael@0 16 class SkMipMap : public SkRefCnt {
michael@0 17 public:
michael@0 18 static SkMipMap* Build(const SkBitmap& src);
michael@0 19
michael@0 20 struct Level {
michael@0 21 void* fPixels;
michael@0 22 uint32_t fRowBytes;
michael@0 23 uint32_t fWidth, fHeight;
michael@0 24 float fScale; // < 1.0
michael@0 25 };
michael@0 26
michael@0 27 bool extractLevel(SkScalar scale, Level*) const;
michael@0 28
michael@0 29 size_t getSize() const { return fSize; }
michael@0 30
michael@0 31 private:
michael@0 32 size_t fSize;
michael@0 33 Level* fLevels;
michael@0 34 int fCount;
michael@0 35
michael@0 36 // we take ownership of levels, and will free it with sk_free()
michael@0 37 SkMipMap(Level* levels, int count, size_t size);
michael@0 38 virtual ~SkMipMap();
michael@0 39
michael@0 40 static Level* AllocLevels(int levelCount, size_t pixelSize);
michael@0 41 };
michael@0 42
michael@0 43 #endif

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