1fcc40474f
Also, no more SkImageEncoder class. SK_SUPPORT_LEGACY_IMAGE_ENCODER_CLASS now only guards some old API shims. GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=5006 Change-Id: I3797f584f3e8e12ade10d31e8733163453725f40 Reviewed-on: https://skia-review.googlesource.com/5006 Commit-Queue: Hal Canary <halcanary@google.com> Reviewed-by: Leon Scroggins <scroggo@google.com> Reviewed-by: Mike Reed <reed@google.com>
123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
/*
|
|
* Copyright 2016 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "gm.h"
|
|
|
|
#include "Resources.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkData.h"
|
|
#include "SkImageEncoderPriv.h"
|
|
#include "SkUnPreMultiply.h"
|
|
|
|
namespace skiagm {
|
|
|
|
static void make_opaque_256(SkBitmap* bitmap) {
|
|
GetResourceAsBitmap("mandrill_256.png", bitmap);
|
|
}
|
|
|
|
static void make_premul_256(SkBitmap* bitmap) {
|
|
SkBitmap tmp;
|
|
GetResourceAsBitmap("yellow_rose.png", &tmp);
|
|
tmp.extractSubset(bitmap, SkIRect::MakeWH(256, 256));
|
|
bitmap->lockPixels();
|
|
}
|
|
|
|
static void make_unpremul_256(SkBitmap* bitmap) {
|
|
make_premul_256(bitmap);
|
|
for (int y = 0; y < bitmap->height(); y++) {
|
|
for (int x = 0; x < bitmap->width(); x++) {
|
|
SkPMColor* pixel = bitmap->getAddr32(x, y);
|
|
*pixel = SkUnPreMultiply::UnPreMultiplyPreservingByteOrder(*pixel);
|
|
}
|
|
}
|
|
bitmap->setAlphaType(kUnpremul_SkAlphaType);
|
|
}
|
|
|
|
#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
|
|
static SkEncodedImageFormat kTypes[] {
|
|
SkEncodedImageFormat::kPNG, SkEncodedImageFormat::kJPEG, SkEncodedImageFormat::kGIF,
|
|
SkEncodedImageFormat::kBMP, SkEncodedImageFormat::kICO,
|
|
};
|
|
#elif defined(SK_BUILD_FOR_WIN)
|
|
// Use PNG multiple times because our WIC encoder does not support GIF, BMP, or ICO.
|
|
static SkEncodedImageFormat kTypes[] {
|
|
SkEncodedImageFormat::kPNG, SkEncodedImageFormat::kJPEG, SkEncodedImageFormat::kPNG,
|
|
SkEncodedImageFormat::kPNG, SkEncodedImageFormat::kPNG,
|
|
};
|
|
#else
|
|
// Use WEBP in place of GIF. Use PNG two extra times. We don't support GIF, BMP, or ICO.
|
|
static SkEncodedImageFormat kTypes[] {
|
|
SkEncodedImageFormat::kPNG, SkEncodedImageFormat::kJPEG, SkEncodedImageFormat::kWEBP,
|
|
SkEncodedImageFormat::kPNG, SkEncodedImageFormat::kPNG,
|
|
};
|
|
#endif
|
|
|
|
static sk_sp<SkData> encode_data(SkEncodedImageFormat type, const SkBitmap& bitmap) {
|
|
SkAutoLockPixels autoLockPixels(bitmap);
|
|
SkPixmap src;
|
|
if (!bitmap.peekPixels(&src)) {
|
|
return nullptr;
|
|
}
|
|
SkDynamicMemoryWStream buf;
|
|
#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
|
|
return SkEncodeImageWithCG(&buf, src, type) ? buf.detachAsData() : nullptr;
|
|
#elif defined(SK_BUILD_FOR_WIN)
|
|
return SkEncodeImageWithWIC(&buf, src, type, 100) ? buf.detachAsData() : nullptr;
|
|
#else
|
|
switch (type) {
|
|
case SkEncodedImageFormat::kPNG:
|
|
return SkEncodeImageAsPNG(&buf, src) ? buf.detachAsData() : nullptr;
|
|
case SkEncodedImageFormat::kJPEG:
|
|
return SkEncodeImageAsJPEG(&buf, src, 100) ? buf.detachAsData() : nullptr;
|
|
case SkEncodedImageFormat::kWEBP:
|
|
return SkEncodeImageAsWEBP(&buf, src, 100) ? buf.detachAsData() : nullptr;
|
|
default:
|
|
SkASSERT(false);
|
|
return nullptr;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
class EncodePlatformGM : public GM {
|
|
public:
|
|
EncodePlatformGM() {}
|
|
|
|
protected:
|
|
SkString onShortName() override {
|
|
return SkString("encode-platform");
|
|
}
|
|
|
|
SkISize onISize() override {
|
|
return SkISize::Make(256 * SK_ARRAY_COUNT(kTypes), 256 * 3);
|
|
}
|
|
|
|
void onDraw(SkCanvas* canvas) override {
|
|
SkBitmap opaqueBm, premulBm, unpremulBm;
|
|
make_opaque_256(&opaqueBm);
|
|
make_premul_256(&premulBm);
|
|
make_unpremul_256(&unpremulBm);
|
|
|
|
for (SkEncodedImageFormat type : kTypes) {
|
|
auto opaqueImage = SkImage::MakeFromEncoded(encode_data(type, opaqueBm));
|
|
auto premulImage = SkImage::MakeFromEncoded(encode_data(type, premulBm));
|
|
auto unpremulImage = SkImage::MakeFromEncoded(encode_data(type, unpremulBm));
|
|
|
|
canvas->drawImage(opaqueImage.get(), 0.0f, 0.0f);
|
|
canvas->drawImage(premulImage.get(), 0.0f, 256.0f);
|
|
canvas->drawImage(unpremulImage.get(), 0.0f, 512.0f);
|
|
|
|
canvas->translate(256.0f, 0.0f);
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef GM INHERITED;
|
|
};
|
|
|
|
DEF_GM( return new EncodePlatformGM; )
|
|
}
|