diff options
Diffstat (limited to 'chromium/third_party/skia/gm/imagefilterscropped.cpp')
| -rw-r--r-- | chromium/third_party/skia/gm/imagefilterscropped.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/chromium/third_party/skia/gm/imagefilterscropped.cpp b/chromium/third_party/skia/gm/imagefilterscropped.cpp new file mode 100644 index 00000000000..a128c6b1168 --- /dev/null +++ b/chromium/third_party/skia/gm/imagefilterscropped.cpp @@ -0,0 +1,181 @@ +/* + * Copyright 2011 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 "SkCanvas.h" +#include "SkColorFilter.h" +#include "SkColorPriv.h" +#include "SkShader.h" + +#include "SkBlurImageFilter.h" +#include "SkColorFilterImageFilter.h" +#include "SkMergeImageFilter.h" +#include "SkOffsetImageFilter.h" +#include "SkTestImageFilters.h" + +/////////////////////////////////////////////////////////////////////////////// + +static void draw_paint(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { + SkPaint paint; + paint.setImageFilter(imf); + paint.setColor(SK_ColorBLACK); + canvas->save(); + canvas->clipRect(r); + canvas->drawPaint(paint); + canvas->restore(); +} + +static void draw_path(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { + SkPaint paint; + paint.setColor(SK_ColorMAGENTA); + paint.setImageFilter(imf); + paint.setAntiAlias(true); + canvas->save(); + canvas->clipRect(r); + canvas->drawCircle(r.centerX(), r.centerY(), r.width()*2/5, paint); + canvas->restore(); +} + +static void draw_text(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { + SkPaint paint; + paint.setImageFilter(imf); + paint.setColor(SK_ColorGREEN); + paint.setAntiAlias(true); + paint.setTextSize(r.height()/2); + paint.setTextAlign(SkPaint::kCenter_Align); + canvas->save(); + canvas->clipRect(r); + canvas->drawText("Text", 4, r.centerX(), r.centerY(), paint); + canvas->restore(); +} + +static void draw_bitmap(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { + SkPaint paint; + + SkIRect bounds; + r.roundOut(&bounds); + + SkBitmap bm; + bm.allocN32Pixels(bounds.width(), bounds.height()); + bm.eraseColor(SK_ColorTRANSPARENT); + SkCanvas c(bm); + draw_path(&c, r, NULL); + + paint.setImageFilter(imf); + canvas->save(); + canvas->clipRect(r); + canvas->drawBitmap(bm, 0, 0, &paint); + canvas->restore(); +} + +static void draw_sprite(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { + SkPaint paint; + + SkIRect bounds; + r.roundOut(&bounds); + + SkBitmap bm; + bm.allocN32Pixels(bounds.width(), bounds.height()); + bm.eraseColor(SK_ColorRED); + SkCanvas c(bm); + + SkIRect cropRect = SkIRect::MakeXYWH(10, 10, 44, 44); + paint.setColor(SK_ColorGREEN); + c.drawRect(SkRect::Make(cropRect), paint); + + paint.setImageFilter(imf); + SkPoint loc = { r.fLeft, r.fTop }; + canvas->getTotalMatrix().mapPoints(&loc, 1); + canvas->drawSprite(bm, + SkScalarRoundToInt(loc.fX), SkScalarRoundToInt(loc.fY), + &paint); +} + +/////////////////////////////////////////////////////////////////////////////// + +class ImageFiltersCroppedGM : public skiagm::GM { +public: + ImageFiltersCroppedGM () {} + +protected: + virtual SkString onShortName() { + return SkString("imagefilterscropped"); + } + + virtual SkISize onISize() { return SkISize::Make(400, 640); } + + void draw_frame(SkCanvas* canvas, const SkRect& r) { + SkPaint paint; + paint.setStyle(SkPaint::kStroke_Style); + paint.setColor(SK_ColorRED); + canvas->drawRect(r, paint); + } + + virtual uint32_t onGetFlags() const { + // Because of the use of drawSprite, this test is excluded + // from scaled replay tests because drawSprite ignores the + // reciprocal scale that is applied at record time, which is + // the intended behavior of drawSprite. + return kSkipScaledReplay_Flag | kSkipTiled_Flag; + } + + virtual void onDraw(SkCanvas* canvas) { + void (*drawProc[])(SkCanvas*, const SkRect&, SkImageFilter*) = { + draw_sprite, draw_bitmap, draw_path, draw_paint, draw_text + }; + + SkAutoTUnref<SkColorFilter> cf( + SkColorFilter::CreateModeFilter(SK_ColorBLUE, SkXfermode::kSrcIn_Mode)); + SkImageFilter::CropRect cropRect(SkRect::Make(SkIRect::MakeXYWH(10, 10, 44, 44)), SkImageFilter::CropRect::kHasAll_CropEdge); + SkImageFilter::CropRect bogusRect(SkRect::Make(SkIRect::MakeXYWH(-100, -100, 10, 10)), SkImageFilter::CropRect::kHasAll_CropEdge); + + SkAutoTUnref<SkImageFilter> offset(SkOffsetImageFilter::Create( + SkIntToScalar(-10), SkIntToScalar(-10))); + + SkAutoTUnref<SkImageFilter> cfOffset(SkColorFilterImageFilter::Create(cf.get(), offset.get())); + + SkImageFilter* filters[] = { + NULL, + SkColorFilterImageFilter::Create(cf.get(), NULL, &cropRect), + SkBlurImageFilter::Create(1.0f, 1.0f, NULL, &cropRect), + SkBlurImageFilter::Create(8.0f, 0.0f, NULL, &cropRect), + SkBlurImageFilter::Create(0.0f, 8.0f, NULL, &cropRect), + SkBlurImageFilter::Create(8.0f, 8.0f, NULL, &cropRect), + SkMergeImageFilter::Create(NULL, cfOffset.get(), SkXfermode::kSrcOver_Mode, &cropRect), + SkBlurImageFilter::Create(8.0f, 8.0f, NULL, &bogusRect), + SkColorFilterImageFilter::Create(cf.get(), NULL, &bogusRect), + }; + + SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); + SkScalar MARGIN = SkIntToScalar(16); + SkScalar DX = r.width() + MARGIN; + SkScalar DY = r.height() + MARGIN; + + canvas->translate(MARGIN, MARGIN); + for (size_t j = 0; j < SK_ARRAY_COUNT(drawProc); ++j) { + canvas->save(); + for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { + drawProc[j](canvas, r, filters[i]); + canvas->translate(0, DY); + } + canvas->restore(); + canvas->translate(DX, 0); + } + + for(size_t j = 0; j < SK_ARRAY_COUNT(filters); ++j) { + SkSafeUnref(filters[j]); + } + } + +private: + typedef GM INHERITED; +}; + +/////////////////////////////////////////////////////////////////////////////// + +static skiagm::GM* MyFactory(void*) { return new ImageFiltersCroppedGM; } +static skiagm::GMRegistry reg(MyFactory); |