5dd85a45bc
git-svn-id: http://skia.googlecode.com/svn/trunk@6429 2bbb7eff-a529-9590-31e7-b0007b416f81
93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkCanvas.h"
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#define W SkIntToScalar(100)
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#define H SkIntToScalar(60)
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typedef void (*Proc)(SkCanvas*, const SkPaint&);
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static void draw_hair(SkCanvas* canvas, const SkPaint& paint) {
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SkPaint p(paint);
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p.setStrokeWidth(0);
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canvas->drawLine(0, 0, W, H, p);
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}
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static void draw_thick(SkCanvas* canvas, const SkPaint& paint) {
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SkPaint p(paint);
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p.setStrokeWidth(H/5);
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canvas->drawLine(0, 0, W, H, p);
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}
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static void draw_rect(SkCanvas* canvas, const SkPaint& paint) {
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canvas->drawRect(SkRect::MakeWH(W, H), paint);
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}
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static void draw_oval(SkCanvas* canvas, const SkPaint& paint) {
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canvas->drawOval(SkRect::MakeWH(W, H), paint);
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}
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static void draw_text(SkCanvas* canvas, const SkPaint& paint) {
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SkPaint p(paint);
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p.setTextSize(H/4);
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canvas->drawText("Hamburgefons", 12, 0, H*2/3, p);
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}
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class SrcModeGM : public skiagm::GM {
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SkPath fPath;
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public:
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SrcModeGM() {
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this->setBGColor(0xFFDDDDDD);
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}
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protected:
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virtual SkString onShortName() {
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return SkString("srcmode");
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}
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virtual SkISize onISize() {
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return SkISize::Make(640, 480);
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}
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virtual void onDraw(SkCanvas* canvas) {
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canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(0x80FF0000);
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const Proc procs[] = {
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draw_hair, draw_thick, draw_rect, draw_oval, draw_text
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};
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const SkXfermode::Mode modes[] = {
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SkXfermode::kSrcOver_Mode, SkXfermode::kSrc_Mode, SkXfermode::kClear_Mode
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};
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for (size_t x = 0; x < SK_ARRAY_COUNT(modes); ++x) {
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paint.setXfermodeMode(modes[x]);
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canvas->save();
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for (size_t y = 0; y < SK_ARRAY_COUNT(procs); ++y) {
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procs[y](canvas, paint);
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canvas->translate(0, H * 5 / 4);
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}
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canvas->restore();
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canvas->translate(W * 5 / 4, 0);
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}
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}
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private:
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typedef skiagm::GM INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new SrcModeGM;)
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