repeated_bitmap.cpp revision fe17456d5e528078ce69b5f15cf7adf1fab963f9 
1/*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "Resources.h"
9#include "SkImage.h"
10#include "gm.h"
11#include "sk_tool_utils.h"
12
13static void draw_rotated_image(SkCanvas* canvas, const SkImage* image) {
14    sk_tool_utils::draw_checkerboard(canvas, SkColorSetRGB(156, 154, 156),
15                                     SK_ColorWHITE, 12);
16    if (!image) {
17        return;
18    }
19    SkRect rect = SkRect::MakeLTRB(-68.0f, -68.0f, 68.0f, 68.0f);
20    SkPaint paint;
21    paint.setColor(SkColorSetRGB(49, 48, 49));
22    SkScalar scale = SkTMin(128.0f / image->width(),
23                            128.0f / image->height());
24    SkScalar point[2] = {-0.5f * image->width(), -0.5f * image->height()};
25    for (int j = 0; j < 4; ++j) {
26        for (int i = 0; i < 4; ++i) {
27            SkAutoCanvasRestore autoCanvasRestore(canvas, true);
28            canvas->translate(96.0f + 192.0f * i, 96.0f + 192.0f * j);
29            canvas->rotate(18.0f * (i + 4 * j));
30            canvas->drawRect(rect, paint);
31            canvas->scale(scale, scale);
32            canvas->drawImage(image, point[0], point[1]);
33        }
34    }
35}
36
37DEF_SIMPLE_GM(repeated_bitmap, canvas, 576, 576) {
38    draw_rotated_image(canvas, GetResourceAsImage("images/randPixels.png").get());
39}
40
41DEF_SIMPLE_GM(repeated_bitmap_jpg, canvas, 576, 576) {
42    draw_rotated_image(canvas, GetResourceAsImage("images/color_wheel.jpg").get());
43}
44