xref: /aosp_15_r20/external/skia/docs/examples/Matrix_MakeRectToRect.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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(Matrix_MakeRectToRect, 256, 256, true, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     const SkRect srcs[] = { {0, 0, 0, 0}, {1, 2, 3, 4} };
7*c8dee2aaSAndroid Build Coastguard Worker     const SkRect dsts[] = { {0, 0, 0, 0}, {5, 6, 8, 9} };
8*c8dee2aaSAndroid Build Coastguard Worker     for (auto src : srcs) {
9*c8dee2aaSAndroid Build Coastguard Worker         for (auto dst : dsts) {
10*c8dee2aaSAndroid Build Coastguard Worker              SkMatrix matrix = SkMatrix::RectToRect(src, dst);
11*c8dee2aaSAndroid Build Coastguard Worker              SkDebugf("src: %g, %g, %g, %g  dst: %g, %g, %g, %g\n",
12*c8dee2aaSAndroid Build Coastguard Worker                       src.fLeft, src.fTop, src.fRight, src.fBottom,
13*c8dee2aaSAndroid Build Coastguard Worker                       dst.fLeft, dst.fTop, dst.fRight, dst.fBottom);
14*c8dee2aaSAndroid Build Coastguard Worker              matrix.dump();
15*c8dee2aaSAndroid Build Coastguard Worker         }
16*c8dee2aaSAndroid Build Coastguard Worker     }
17*c8dee2aaSAndroid Build Coastguard Worker }
18*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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