diff options
author | egdaniel <egdaniel@google.com> | 2015-09-15 13:13:50 -0700 |
---|---|---|
committer | Commit bot <commit-bot@chromium.org> | 2015-09-15 13:13:50 -0700 |
commit | 27b6335c71bccb96206ff0495793433bfa982777 (patch) | |
tree | 750282c33f8c895c0282bee6393943efbee51c60 /gm/lcdblendmodes.cpp | |
parent | fb1e2fc8aa25b8c2ef0714c27cfcb1ee0f8f806b (diff) |
On gpu, use max(r,g,b) for coverage alpha in LCD and update lcd blend gm.
BUG=skia:
Review URL: https://codereview.chromium.org/1339213004
Diffstat (limited to 'gm/lcdblendmodes.cpp')
-rw-r--r-- | gm/lcdblendmodes.cpp | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/gm/lcdblendmodes.cpp b/gm/lcdblendmodes.cpp index a2494cc343..a2405349eb 100644 --- a/gm/lcdblendmodes.cpp +++ b/gm/lcdblendmodes.cpp @@ -13,6 +13,7 @@ #include "gm.h" #include "SkCanvas.h" #include "SkGradientShader.h" +#include "SkSurface.h" namespace skiagm { @@ -43,21 +44,44 @@ public: protected: SkString onShortName() override { - SkString name("lcdblendmodes"); - name.append(sk_tool_utils::major_platform_os_name()); - return name; + return SkString("lcdblendmodes"); + } + + void onOnceBeforeDraw() override { + fCheckerboard.reset(sk_tool_utils::create_checkerboard_shader(SK_ColorBLACK, + SK_ColorWHITE, + 4)); } SkISize onISize() override { return SkISize::Make(kWidth, kHeight); } void onDraw(SkCanvas* canvas) override { - this->drawColumn(canvas, SK_ColorBLACK, SK_ColorWHITE, false); - canvas->translate(SkIntToScalar(kColWidth), 0); - this->drawColumn(canvas, SK_ColorWHITE, SK_ColorBLACK, false); - canvas->translate(SkIntToScalar(kColWidth), 0); - this->drawColumn(canvas, SK_ColorGREEN, SK_ColorMAGENTA, false); - canvas->translate(SkIntToScalar(kColWidth), 0); - this->drawColumn(canvas, SK_ColorCYAN, SK_ColorMAGENTA, true); + SkPaint p; + p.setAntiAlias(false); + p.setStyle(SkPaint::kFill_Style); + p.setShader(fCheckerboard); + SkRect r = SkRect::MakeWH(SkIntToScalar(kWidth), SkIntToScalar(kHeight)); + canvas->drawRect(r, p); + + SkImageInfo info = SkImageInfo::MakeN32Premul(kWidth, kHeight); + SkAutoTUnref<SkSurface> surface(canvas->newSurface(info)); + if (nullptr == surface) { + surface.reset(SkSurface::NewRaster(info)); + } + + SkCanvas* surfCanvas = surface->getCanvas(); + this->drawColumn(surfCanvas, SK_ColorBLACK, SK_ColorWHITE, false); + surfCanvas->translate(SkIntToScalar(kColWidth), 0); + this->drawColumn(surfCanvas, SK_ColorWHITE, SK_ColorBLACK, false); + surfCanvas->translate(SkIntToScalar(kColWidth), 0); + this->drawColumn(surfCanvas, SK_ColorGREEN, SK_ColorMAGENTA, false); + surfCanvas->translate(SkIntToScalar(kColWidth), 0); + this->drawColumn(surfCanvas, SK_ColorCYAN, SK_ColorMAGENTA, true); + + SkPaint surfPaint; + SkAutoTUnref<SkXfermode> xfermode(SkXfermode::Create(SkXfermode::kSrcOver_Mode)); + surfPaint.setXfermode(xfermode); + surface->draw(canvas, 0, 0, &surfPaint); } void drawColumn(SkCanvas* canvas, SkColor backgroundColor, SkColor textColor, bool useGrad) { @@ -124,6 +148,7 @@ protected: private: SkScalar fTextHeight; + SkAutoTUnref<SkShader> fCheckerboard; typedef skiagm::GM INHERITED; }; |