1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(Canvas_SrcRectConstraint, 256, 64, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker SkBitmap redBorder;
7*c8dee2aaSAndroid Build Coastguard Worker redBorder.allocPixels(SkImageInfo::MakeN32Premul(4, 4));
8*c8dee2aaSAndroid Build Coastguard Worker SkCanvas checkRed(redBorder);
9*c8dee2aaSAndroid Build Coastguard Worker checkRed.clear(SK_ColorRED);
10*c8dee2aaSAndroid Build Coastguard Worker uint32_t checkers[][2] = { { SK_ColorBLACK, SK_ColorWHITE },
11*c8dee2aaSAndroid Build Coastguard Worker { SK_ColorWHITE, SK_ColorBLACK } };
12*c8dee2aaSAndroid Build Coastguard Worker checkRed.writePixels(
13*c8dee2aaSAndroid Build Coastguard Worker SkImageInfo::MakeN32Premul(2, 2), (void*) checkers, sizeof(checkers[0]), 1, 1);
14*c8dee2aaSAndroid Build Coastguard Worker canvas->scale(16, 16);
15*c8dee2aaSAndroid Build Coastguard Worker canvas->drawImage(redBorder.asImage(), 0, 0);
16*c8dee2aaSAndroid Build Coastguard Worker canvas->resetMatrix();
17*c8dee2aaSAndroid Build Coastguard Worker sk_sp<SkImage> image = redBorder.asImage();
18*c8dee2aaSAndroid Build Coastguard Worker for (auto constraint : { SkCanvas::kStrict_SrcRectConstraint,
19*c8dee2aaSAndroid Build Coastguard Worker SkCanvas::kFast_SrcRectConstraint } ) {
20*c8dee2aaSAndroid Build Coastguard Worker canvas->translate(80, 0);
21*c8dee2aaSAndroid Build Coastguard Worker canvas->drawImageRect(image.get(), SkRect::MakeLTRB(1, 1, 3, 3),
22*c8dee2aaSAndroid Build Coastguard Worker SkRect::MakeLTRB(16, 16, 48, 48),
23*c8dee2aaSAndroid Build Coastguard Worker SkSamplingOptions(SkFilterMode::kLinear), nullptr, constraint);
24*c8dee2aaSAndroid Build Coastguard Worker }
25*c8dee2aaSAndroid Build Coastguard Worker }
26*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE
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