blob: aa27c79073c15170ace1ee54ecb27325e96cd649 [file] [log] [blame]
* Copyright 2016 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#include "Resources.h"
#include "SkBitmap.h"
#include "SkShader.h"
#include "gm.h"
DEF_SIMPLE_GM_CAN_FAIL(bitmap_subset_shader, canvas, errorMsg, 256, 256) {
SkBitmap source;
if (!GetResourceAsBitmap("images/color_wheel.png", &source)) {
*errorMsg = "Could not load images/color_wheel.png. "
"Did you forget to set the resourcePath?";
return skiagm::DrawResult::kFail;
SkIRect left = SkIRect::MakeWH(source.width()/2, source.height());
SkIRect right = SkIRect::MakeXYWH(source.width()/2, 0,
source.width()/2, source.height());
SkBitmap leftBitmap, rightBitmap;
source.extractSubset(&leftBitmap, left);
source.extractSubset(&rightBitmap, right);
SkMatrix matrix;
matrix.setScale(0.75f, 0.75f);
SkTileMode tm = SkTileMode::kRepeat;
SkPaint paint;
paint.setShader(leftBitmap.makeShader(tm, tm, &matrix));
canvas->drawRect(SkRect::MakeWH(256.0f, 128.0f), paint);
paint.setShader(rightBitmap.makeShader(tm, tm, &matrix));
canvas->drawRect(SkRect::MakeXYWH(0, 128.0f, 256.0f, 128.0f), paint);
return skiagm::DrawResult::kOk;