1 // Copyright 2019 Google LLC.
2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3 #include "tools/fiddle/examples.h"
4 // HASH=2531f8d1e05d7b6dc22f3efcd2fb84e4
5 REG_FIDDLE(Matrix_preScale, 256, 256, false, 3) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7 SkMatrix matrix;
8 SkPoint bitmapBounds[4], perspect[4] = {{50, 10}, {180, 40}, {236, 176}, {10, 206}};
9 SkRect::Make(image->bounds()).toQuad(bitmapBounds);
10 matrix.setPolyToPoly(bitmapBounds, perspect, 4);
11 matrix.preScale(.75f, 1.5f, image->width() / 2, image->height() / 2);
12 canvas->concat(matrix);
13 canvas->drawImage(image, 0, 0);
14 }
15 } // END FIDDLE
16