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- /*
- * 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 "gm/gm.h"
- #include "include/core/SkBitmap.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColor.h"
- #include "include/core/SkMatrix.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkShader.h"
- #include "include/core/SkString.h"
- #include "include/core/SkTileMode.h"
- #include "tools/Resources.h"
- DEF_SIMPLE_GM_CAN_FAIL(bitmap_subset_shader, canvas, errorMsg, 256, 256) {
- canvas->clear(SK_ColorWHITE);
- 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);
- matrix.preRotate(30.0f);
- 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;
- }
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