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Hal Canary87515122019-03-15 14:22:51 -04001// 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.
Mike Kleinc0bd9f92019-04-23 12:05:21 -05003#include "tools/fiddle/examples.h"
Hal Canary87515122019-03-15 14:22:51 -04004// HASH=2531f8d1e05d7b6dc22f3efcd2fb84e4
Hal Canarya7181e7c2019-03-18 16:06:34 -04005REG_FIDDLE(Matrix_preScale, 256, 256, false, 3) {
Hal Canary87515122019-03-15 14:22:51 -04006void draw(SkCanvas* canvas) {
7 SkMatrix matrix;
8 SkPoint bitmapBounds[4], perspect[4] = {{50, 10}, {180, 40}, {236, 176}, {10, 206}};
Mike Reedecdd9792021-01-27 20:39:22 -05009 SkRect::Make(image->bounds()).toQuad(bitmapBounds);
Hal Canary87515122019-03-15 14:22:51 -040010 matrix.setPolyToPoly(bitmapBounds, perspect, 4);
Mike Reedecdd9792021-01-27 20:39:22 -050011 matrix.preScale(.75f, 1.5f, image->width() / 2, image->height() / 2);
Hal Canary87515122019-03-15 14:22:51 -040012 canvas->concat(matrix);
Mike Reedecdd9792021-01-27 20:39:22 -050013 canvas->drawImage(image, 0, 0);
Hal Canary87515122019-03-15 14:22:51 -040014}
15} // END FIDDLE