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https://github.com/roytam1/palemoon27.git
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roytam1
aa57295df4
- Bug 1188462 - Rename gfx/skia/trunk directory to gfx/skia/skia. (26e6a37fd) - Bug 1188462 - Fix inclusion of skia headers to use correct directory prefixes. (cb8a82d14) - Bug 1188462 - Add SKIA_INCLUDES list for adding Skia to header search path. (0f95f6f77) - Bug 1157065 - GFX: 2D: Implement skia::Convolve in LS3 MMI. * skia::ConvolveVertically * skia:ConvolveHorizontally * skia:ConvolveHorizontally4 (445c1a64e)
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Scale.h"
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#ifdef USE_SKIA
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#include "HelpersSkia.h"
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#include "skia/include/core/SkBitmap.h"
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#include "image_operations.h"
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#endif
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namespace mozilla {
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namespace gfx {
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bool Scale(uint8_t* srcData, int32_t srcWidth, int32_t srcHeight, int32_t srcStride,
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uint8_t* dstData, int32_t dstWidth, int32_t dstHeight, int32_t dstStride,
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SurfaceFormat format)
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{
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#ifdef USE_SKIA
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SkAlphaType alphaType;
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if (format == SurfaceFormat::B8G8R8A8) {
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alphaType = kPremul_SkAlphaType;
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} else {
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alphaType = kOpaque_SkAlphaType;
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}
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SkImageInfo info = SkImageInfo::Make(srcWidth,
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srcHeight,
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GfxFormatToSkiaColorType(format),
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alphaType);
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SkBitmap imgSrc;
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imgSrc.installPixels(info, srcData, srcStride);
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// Rescaler is compatible with 32 bpp only. Convert to RGB32 if needed.
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if (format != SurfaceFormat::B8G8R8A8) {
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imgSrc.copyTo(&imgSrc, kBGRA_8888_SkColorType);
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}
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// This returns an SkBitmap backed by dstData; since it also wrote to dstData,
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// we don't need to look at that SkBitmap.
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SkBitmap result = skia::ImageOperations::Resize(imgSrc,
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skia::ImageOperations::RESIZE_BEST,
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dstWidth, dstHeight,
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dstData);
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return !result.isNull();
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#else
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return false;
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#endif
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}
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}
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}
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