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Matrix_postRotate_2.cpp
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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.
4// HASH=52e4c53e26971af5576b30de60fa70c2
5REG_FIDDLE(Matrix_postRotate_2, 256, 256, false, 3) {
6void draw(SkCanvas* canvas) {
7 SkMatrix matrix;
8 SkPoint bitmapBounds[4], perspect[4] = {{50, 10}, {180, 40}, {236, 176}, {10, 206}};
9 SkRect::Make(source.bounds()).toQuad(bitmapBounds);
10 matrix.setPolyToPoly(bitmapBounds, perspect, 4);
11 matrix.postRotate(45);
12 canvas->concat(matrix);
13 canvas->drawImage(image, 0, 0);
14}
15} // END FIDDLE
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition aaclip.cpp:27
SkIRect bounds() const
Definition SkBitmap.h:382
void concat(const SkMatrix &matrix)
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition SkCanvas.h:1528
sk_sp< SkImage > image
Definition examples.cpp:29
SkBitmap source
Definition examples.cpp:28
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60
static SkRect Make(const SkISize &size)
Definition SkRect.h:669
void toQuad(SkPoint quad[4]) const
Definition SkRect.cpp:50