mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "Scale.h"
|
|
|
|
#ifdef USE_SKIA
|
|
#include "HelpersSkia.h"
|
|
#include "skia/SkBitmap.h"
|
|
#include "image_operations.h"
|
|
#endif
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
bool Scale(uint8_t* srcData, int32_t srcWidth, int32_t srcHeight, int32_t srcStride,
|
|
uint8_t* dstData, int32_t dstWidth, int32_t dstHeight, int32_t dstStride,
|
|
SurfaceFormat format)
|
|
{
|
|
#ifdef USE_SKIA
|
|
bool opaque;
|
|
if (format == FORMAT_B8G8R8A8) {
|
|
opaque = false;
|
|
} else {
|
|
opaque = true;
|
|
}
|
|
|
|
SkBitmap::Config config = GfxFormatToSkiaConfig(format);
|
|
|
|
SkBitmap imgSrc;
|
|
imgSrc.setConfig(config, srcWidth, srcHeight, srcStride);
|
|
imgSrc.setPixels(srcData);
|
|
imgSrc.setIsOpaque(opaque);
|
|
|
|
// Rescaler is compatible with 32 bpp only. Convert to RGB32 if needed.
|
|
if (config != SkBitmap::kARGB_8888_Config) {
|
|
imgSrc.copyTo(&imgSrc, SkBitmap::kARGB_8888_Config);
|
|
}
|
|
|
|
// This returns an SkBitmap backed by dstData; since it also wrote to dstData,
|
|
// we don't need to look at that SkBitmap.
|
|
SkBitmap result = skia::ImageOperations::Resize(imgSrc,
|
|
skia::ImageOperations::RESIZE_BEST,
|
|
dstWidth, dstHeight,
|
|
dstData);
|
|
|
|
return !result.isNull();
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
}
|
|
}
|