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28 lines
1.2 KiB
28 lines
1.2 KiB
4 months ago
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// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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// HASH=5df49d1f4da37275a1f10ef7f1a749f0
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REG_FIDDLE(Canvas_SrcRectConstraint, 256, 64, false, 0) {
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void draw(SkCanvas* canvas) {
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SkBitmap redBorder;
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redBorder.allocPixels(SkImageInfo::MakeN32Premul(4, 4));
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SkCanvas checkRed(redBorder);
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checkRed.clear(SK_ColorRED);
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uint32_t checkers[][2] = { { SK_ColorBLACK, SK_ColorWHITE },
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{ SK_ColorWHITE, SK_ColorBLACK } };
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checkRed.writePixels(
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SkImageInfo::MakeN32Premul(2, 2), (void*) checkers, sizeof(checkers[0]), 1, 1);
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canvas->scale(16, 16);
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canvas->drawImage(redBorder.asImage(), 0, 0);
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canvas->resetMatrix();
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sk_sp<SkImage> image = redBorder.asImage();
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for (auto constraint : { SkCanvas::kStrict_SrcRectConstraint,
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SkCanvas::kFast_SrcRectConstraint } ) {
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canvas->translate(80, 0);
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canvas->drawImageRect(image.get(), SkRect::MakeLTRB(1, 1, 3, 3),
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SkRect::MakeLTRB(16, 16, 48, 48),
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SkSamplingOptions(SkFilterMode::kLinear), nullptr, constraint);
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}
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}
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} // END FIDDLE
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