gfx/skia/trunk/src/core/SkConfig8888.h@deefc01c0e14 (annotated)
gfx/skia/trunk/src/core/SkConfig8888.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 2011 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 SkConfig8888_DEFINED |
| michael@0 | 9 | #define SkConfig8888_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkCanvas.h" |
| michael@0 | 12 | #include "SkColorPriv.h" |
| michael@0 | 13 | |
| michael@0 | 14 | /** |
| michael@0 | 15 | * Converts pixels from one Config8888 to another Config8888 |
| michael@0 | 16 | */ |
| michael@0 | 17 | void SkConvertConfig8888Pixels(uint32_t* dstPixels, |
| michael@0 | 18 | size_t dstRowBytes, |
| michael@0 | 19 | SkCanvas::Config8888 dstConfig, |
| michael@0 | 20 | const uint32_t* srcPixels, |
| michael@0 | 21 | size_t srcRowBytes, |
| michael@0 | 22 | SkCanvas::Config8888 srcConfig, |
| michael@0 | 23 | int width, |
| michael@0 | 24 | int height); |
| michael@0 | 25 | |
| michael@0 | 26 | /** |
| michael@0 | 27 | * Packs a, r, g, b, values into byte order specified by config. |
| michael@0 | 28 | */ |
| michael@0 | 29 | uint32_t SkPackConfig8888(SkCanvas::Config8888 config, |
| michael@0 | 30 | uint32_t a, |
| michael@0 | 31 | uint32_t r, |
| michael@0 | 32 | uint32_t g, |
| michael@0 | 33 | uint32_t b); |
| michael@0 | 34 | |
| michael@0 | 35 | /////////////////////////////////////////////////////////////////////////////// |
| michael@0 | 36 | // Implementation |
| michael@0 | 37 | |
| michael@0 | 38 | namespace { |
| michael@0 | 39 | |
| michael@0 | 40 | /** |
| michael@0 | 41 | Copies all pixels from a bitmap to a dst ptr with a given rowBytes and |
| michael@0 | 42 | Config8888. The bitmap must have kARGB_8888_Config. |
| michael@0 | 43 | */ |
| michael@0 | 44 | |
| michael@0 | 45 | static inline void SkCopyBitmapToConfig8888(uint32_t* dstPixels, |
| michael@0 | 46 | size_t dstRowBytes, |
| michael@0 | 47 | SkCanvas::Config8888 dstConfig8888, |
| michael@0 | 48 | const SkBitmap& srcBmp) { |
| michael@0 | 49 | SkASSERT(SkBitmap::kARGB_8888_Config == srcBmp.config()); |
| michael@0 | 50 | SkAutoLockPixels alp(srcBmp); |
| michael@0 | 51 | int w = srcBmp.width(); |
| michael@0 | 52 | int h = srcBmp.height(); |
| michael@0 | 53 | size_t srcRowBytes = srcBmp.rowBytes(); |
| michael@0 | 54 | const uint32_t* srcPixels = reinterpret_cast<uint32_t*>(srcBmp.getPixels()); |
| michael@0 | 55 | |
| michael@0 | 56 | SkConvertConfig8888Pixels(dstPixels, dstRowBytes, dstConfig8888, srcPixels, srcRowBytes, SkCanvas::kNative_Premul_Config8888, w, h); |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | /** |
| michael@0 | 60 | Copies over all pixels in a bitmap from a src ptr with a given rowBytes and |
| michael@0 | 61 | Config8888. The bitmap must have pixels and be kARGB_8888_Config. |
| michael@0 | 62 | */ |
| michael@0 | 63 | static inline void SkCopyConfig8888ToBitmap(const SkBitmap& dstBmp, |
| michael@0 | 64 | const uint32_t* srcPixels, |
| michael@0 | 65 | size_t srcRowBytes, |
| michael@0 | 66 | SkCanvas::Config8888 srcConfig8888) { |
| michael@0 | 67 | SkASSERT(SkBitmap::kARGB_8888_Config == dstBmp.config()); |
| michael@0 | 68 | SkAutoLockPixels alp(dstBmp); |
| michael@0 | 69 | int w = dstBmp.width(); |
| michael@0 | 70 | int h = dstBmp.height(); |
| michael@0 | 71 | size_t dstRowBytes = dstBmp.rowBytes(); |
| michael@0 | 72 | uint32_t* dstPixels = reinterpret_cast<uint32_t*>(dstBmp.getPixels()); |
| michael@0 | 73 | |
| michael@0 | 74 | SkConvertConfig8888Pixels(dstPixels, dstRowBytes, SkCanvas::kNative_Premul_Config8888, srcPixels, srcRowBytes, srcConfig8888, w, h); |
| michael@0 | 75 | } |
| michael@0 | 76 | |
| michael@0 | 77 | } |
| michael@0 | 78 | |
| michael@0 | 79 | #endif |
