145dbcd165
Replace with std::unique_ptr. Change-Id: I5806cfbb30515fcb20e5e66ce13fb5f3b8728176 Reviewed-on: https://skia-review.googlesource.com/4381 Commit-Queue: Ben Wagner <bungeman@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org>
122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "Resources.h"
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#include "SkCanvas.h"
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#include "SkData.h"
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#include "SkImageEncoder.h"
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#include "SkUnPreMultiply.h"
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namespace skiagm {
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static void make_opaque_256(SkBitmap* bitmap) {
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GetResourceAsBitmap("mandrill_256.png", bitmap);
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}
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static void make_premul_256(SkBitmap* bitmap) {
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SkBitmap tmp;
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GetResourceAsBitmap("yellow_rose.png", &tmp);
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tmp.extractSubset(bitmap, SkIRect::MakeWH(256, 256));
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bitmap->lockPixels();
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}
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static void make_unpremul_256(SkBitmap* bitmap) {
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make_premul_256(bitmap);
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for (int y = 0; y < bitmap->height(); y++) {
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for (int x = 0; x < bitmap->width(); x++) {
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SkPMColor* pixel = bitmap->getAddr32(x, y);
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*pixel = SkUnPreMultiply::UnPreMultiplyPreservingByteOrder(*pixel);
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}
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}
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bitmap->setAlphaType(kUnpremul_SkAlphaType);
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}
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static SkImageEncoder* make_encoder(SkImageEncoder::Type type) {
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#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
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return CreateImageEncoder_CG(type);
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#elif defined(SK_BUILD_FOR_WIN)
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return CreateImageEncoder_WIC(type);
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#else
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switch (type) {
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case SkImageEncoder::kPNG_Type:
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return CreatePNGImageEncoder();
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case SkImageEncoder::kJPEG_Type:
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return CreateJPEGImageEncoder();
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case SkImageEncoder::kWEBP_Type:
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return CreateWEBPImageEncoder();
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default:
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SkASSERT(false);
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return nullptr;
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}
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#endif
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}
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#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
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static SkImageEncoder::Type kTypes[] {
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SkImageEncoder::kPNG_Type, SkImageEncoder::kJPEG_Type, SkImageEncoder::kGIF_Type,
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SkImageEncoder::kBMP_Type, SkImageEncoder::kICO_Type,
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};
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#elif defined(SK_BUILD_FOR_WIN)
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// Use PNG multiple times because our WIC encoder does not support GIF, BMP, or ICO.
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static SkImageEncoder::Type kTypes[] {
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SkImageEncoder::kPNG_Type, SkImageEncoder::kJPEG_Type, SkImageEncoder::kPNG_Type,
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SkImageEncoder::kPNG_Type, SkImageEncoder::kPNG_Type,
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};
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#else
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// Use WEBP in place of GIF. Use PNG two extra times. We don't support GIF, BMP, or ICO.
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static SkImageEncoder::Type kTypes[] {
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SkImageEncoder::kPNG_Type, SkImageEncoder::kJPEG_Type, SkImageEncoder::kWEBP_Type,
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SkImageEncoder::kPNG_Type, SkImageEncoder::kPNG_Type,
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};
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#endif
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class EncodePlatformGM : public GM {
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public:
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EncodePlatformGM() {}
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protected:
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SkString onShortName() override {
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return SkString("encode-platform");
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}
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SkISize onISize() override {
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return SkISize::Make(256 * SK_ARRAY_COUNT(kTypes), 256 * 3);
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}
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void onDraw(SkCanvas* canvas) override {
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SkBitmap opaqueBm, premulBm, unpremulBm;
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make_opaque_256(&opaqueBm);
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make_premul_256(&premulBm);
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make_unpremul_256(&unpremulBm);
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for (SkImageEncoder::Type type : kTypes) {
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std::unique_ptr<SkImageEncoder> encoder(make_encoder(type));
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sk_sp<SkData> opaqueData(encoder->encodeData(opaqueBm, 100));
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sk_sp<SkData> premulData(encoder->encodeData(premulBm, 100));
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sk_sp<SkData> unpremulData(encoder->encodeData(unpremulBm, 100));
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sk_sp<SkImage> opaqueImage = SkImage::MakeFromEncoded(opaqueData);
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sk_sp<SkImage> premulImage = SkImage::MakeFromEncoded(premulData);
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sk_sp<SkImage> unpremulImage = SkImage::MakeFromEncoded(unpremulData);
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canvas->drawImage(opaqueImage.get(), 0.0f, 0.0f);
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canvas->drawImage(premulImage.get(), 0.0f, 256.0f);
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canvas->drawImage(unpremulImage.get(), 0.0f, 512.0f);
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canvas->translate(256.0f, 0.0f);
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}
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}
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private:
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typedef GM INHERITED;
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};
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DEF_GM( return new EncodePlatformGM; )
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}
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