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OpenHarmony-TPC/chromium_third_party_skia
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Canvas_SrcRectConstraint.cpp 1.22 KB
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李想 提交于 2023-11-11 15:55 +08:00 . chromium 99.0.4844.88 4.0release init
// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=5df49d1f4da37275a1f10ef7f1a749f0
REG_FIDDLE(Canvas_SrcRectConstraint, 256, 64, false, 0) {
void draw(SkCanvas* canvas) {
SkBitmap redBorder;
redBorder.allocPixels(SkImageInfo::MakeN32Premul(4, 4));
SkCanvas checkRed(redBorder);
checkRed.clear(SK_ColorRED);
uint32_t checkers[][2] = { { SK_ColorBLACK, SK_ColorWHITE },
{ SK_ColorWHITE, SK_ColorBLACK } };
checkRed.writePixels(
SkImageInfo::MakeN32Premul(2, 2), (void*) checkers, sizeof(checkers[0]), 1, 1);
canvas->scale(16, 16);
canvas->drawImage(redBorder.asImage(), 0, 0);
canvas->resetMatrix();
sk_sp<SkImage> image = redBorder.asImage();
for (auto constraint : { SkCanvas::kStrict_SrcRectConstraint,
SkCanvas::kFast_SrcRectConstraint } ) {
canvas->translate(80, 0);
canvas->drawImageRect(image.get(), SkRect::MakeLTRB(1, 1, 3, 3),
SkRect::MakeLTRB(16, 16, 48, 48),
SkSamplingOptions(SkFilterMode::kLinear), nullptr, constraint);
}
}
} // END FIDDLE
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chromium_third_party_skia
chromium_third_party_skia
4.0_Release

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