BitmapShaders.cpp revision ee708facf127f2e8bed5970d5c05fa823fcfc1ce 
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "TestSceneBase.h"
18#include "utils/Color.h"
19#include "tests/common/BitmapAllocationTestUtils.h"
20#include <SkImagePriv.h>
21
22class BitmapShaders;
23
24static bool _BitmapShaders(
25        BitmapAllocationTestUtils::registerBitmapAllocationScene<BitmapShaders>(
26                "bitmapShader", "Draws bitmap shaders with repeat and mirror modes."));
27
28class BitmapShaders : public TestScene {
29public:
30    BitmapShaders(BitmapAllocationTestUtils::BitmapAllocator allocator)
31        : TestScene()
32        , mAllocator(allocator) { }
33
34    sp<RenderNode> card;
35    void createContent(int width, int height, Canvas& canvas) override {
36        canvas.drawColor(Color::Grey_200, SkBlendMode::kSrcOver);
37        sk_sp<Bitmap> hwuiBitmap = mAllocator(200, 200, kRGBA_8888_SkColorType,
38                            [](SkBitmap& skBitmap) {
39            skBitmap.eraseColor(Color::White);
40            SkCanvas skCanvas(skBitmap);
41            SkPaint skPaint;
42            skPaint.setColor(Color::Red_500);
43            skCanvas.drawRect(SkRect::MakeWH(100, 100), skPaint);
44            skPaint.setColor(Color::Blue_500);
45            skCanvas.drawRect(SkRect::MakeXYWH(100, 100, 100, 100), skPaint);
46        });
47
48        SkBitmap bitmap;
49        SkPaint paint;
50        hwuiBitmap->getSkBitmapForShaders(&bitmap);
51
52        sk_sp<SkShader> repeatShader = SkMakeBitmapShader(bitmap,
53                SkShader::TileMode::kRepeat_TileMode,
54                SkShader::TileMode::kRepeat_TileMode,
55                nullptr,
56                kNever_SkCopyPixelsMode,
57                nullptr);
58        paint.setShader(std::move(repeatShader));
59        canvas.drawRoundRect(0, 0, 500, 500, 50.0f, 50.0f, paint);
60
61        sk_sp<SkShader> mirrorShader = SkMakeBitmapShader(bitmap,
62                SkShader::TileMode::kMirror_TileMode,
63                SkShader::TileMode::kMirror_TileMode,
64                nullptr,
65                kNever_SkCopyPixelsMode,
66                nullptr);
67        paint.setShader(std::move(mirrorShader));
68        canvas.drawRoundRect(0, 600, 500, 1100, 50.0f, 50.0f, paint);
69    }
70
71    void doFrame(int frameNr) override { }
72
73    BitmapAllocationTestUtils::BitmapAllocator mAllocator;
74};
75