| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "gm.h" |
| #include "SkMatrixImageFilter.h" |
| #include "SkRandom.h" |
| |
| #define WIDTH 640 |
| #define HEIGHT 480 |
| |
| #define RESIZE_FACTOR SkIntToScalar(2) |
| |
| namespace skiagm { |
| |
| class ImageResizeTiledGM : public GM { |
| public: |
| ImageResizeTiledGM() { |
| } |
| |
| protected: |
| virtual uint32_t onGetFlags() const SK_OVERRIDE { return kNoBBH_Flag; } |
| |
| virtual SkString onShortName() SK_OVERRIDE { |
| return SkString("imageresizetiled"); |
| } |
| |
| virtual SkISize onISize() SK_OVERRIDE { |
| return SkISize::Make(WIDTH, HEIGHT); |
| } |
| |
| virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
| SkPaint paint; |
| SkMatrix matrix; |
| matrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR); |
| SkAutoTUnref<SkImageFilter> imageFilter( |
| SkMatrixImageFilter::Create(matrix, SkPaint::kNone_FilterLevel)); |
| paint.setImageFilter(imageFilter.get()); |
| const SkScalar tile_size = SkIntToScalar(100); |
| SkRect bounds; |
| canvas->getClipBounds(&bounds); |
| for (SkScalar y = 0; y < HEIGHT; y += tile_size) { |
| for (SkScalar x = 0; x < WIDTH; x += tile_size) { |
| canvas->save(); |
| canvas->clipRect(SkRect::MakeXYWH(x, y, tile_size, tile_size)); |
| canvas->scale(SkScalarInvert(RESIZE_FACTOR), |
| SkScalarInvert(RESIZE_FACTOR)); |
| canvas->saveLayer(NULL, &paint); |
| const char* str[] = { |
| "The quick", |
| "brown fox", |
| "jumped over", |
| "the lazy dog.", |
| }; |
| SkPaint textPaint; |
| textPaint.setAntiAlias(true); |
| textPaint.setTextSize(SkIntToScalar(100)); |
| int posY = 0; |
| for (unsigned i = 0; i < SK_ARRAY_COUNT(str); i++) { |
| posY += 100; |
| canvas->drawText(str[i], strlen(str[i]), SkIntToScalar(0), |
| SkIntToScalar(posY), textPaint); |
| } |
| canvas->restore(); |
| canvas->restore(); |
| } |
| } |
| } |
| |
| private: |
| typedef GM INHERITED; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_GM(return new ImageResizeTiledGM(); ) |
| |
| } |