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Diffstat (limited to 'gm/dstreadshuffle.cpp')
-rw-r--r-- | gm/dstreadshuffle.cpp | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/gm/dstreadshuffle.cpp b/gm/dstreadshuffle.cpp deleted file mode 100644 index b98b10e318..0000000000 --- a/gm/dstreadshuffle.cpp +++ /dev/null @@ -1,185 +0,0 @@ - -/* - * Copyright 2013 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 "SkBitmap.h" -#include "SkRandom.h" -#include "SkShader.h" -#include "SkXfermode.h" - -namespace skiagm { - -/** - * Renders overlapping shapes with colorburn against a checkerboard. - */ -class DstReadShuffle : public GM { -public: - DstReadShuffle() { - this->setBGColor(SkColorSetARGB(0xff, 0xff, 0, 0xff)); - } - -protected: - enum ShapeType { - kCircle_ShapeType, - kRoundRect_ShapeType, - kRect_ShapeType, - kConvexPath_ShapeType, - kConcavePath_ShapeType, - kText_ShapeType, - kNumShapeTypes - }; - - SkString onShortName() SK_OVERRIDE { - return SkString("dstreadshuffle"); - } - - SkISize onISize() SK_OVERRIDE { - return SkISize::Make(kWidth, kHeight); - } - - void drawShape(SkCanvas* canvas, - SkPaint* paint, - ShapeType type) { - static const SkRect kRect = SkRect::MakeXYWH(SkIntToScalar(-50), SkIntToScalar(-50), - SkIntToScalar(75), SkIntToScalar(105)); - switch (type) { - case kCircle_ShapeType: - canvas->drawCircle(0, 0, 50, *paint); - break; - case kRoundRect_ShapeType: - canvas->drawRoundRect(kRect, SkIntToScalar(10), SkIntToScalar(20), *paint); - break; - case kRect_ShapeType: - canvas->drawRect(kRect, *paint); - break; - case kConvexPath_ShapeType: - if (fConvexPath.isEmpty()) { - SkPoint points[4]; - kRect.toQuad(points); - fConvexPath.moveTo(points[0]); - fConvexPath.quadTo(points[1], points[2]); - fConvexPath.quadTo(points[3], points[0]); - SkASSERT(fConvexPath.isConvex()); - } - canvas->drawPath(fConvexPath, *paint); - break; - case kConcavePath_ShapeType: - if (fConcavePath.isEmpty()) { - SkPoint points[5] = {{0, SkIntToScalar(-50)} }; - SkMatrix rot; - rot.setRotate(SkIntToScalar(360) / 5); - for (int i = 1; i < 5; ++i) { - rot.mapPoints(points + i, points + i - 1, 1); - } - fConcavePath.moveTo(points[0]); - for (int i = 0; i < 5; ++i) { - fConcavePath.lineTo(points[(2 * i) % 5]); - } - fConcavePath.setFillType(SkPath::kEvenOdd_FillType); - SkASSERT(!fConcavePath.isConvex()); - } - canvas->drawPath(fConcavePath, *paint); - break; - case kText_ShapeType: { - const char* text = "Hello!"; - paint->setTextSize(30); - canvas->drawText(text, strlen(text), 0, 0, *paint); - } - default: - break; - } - } - - static SkColor GetColor(SkRandom* random, int i) { - SkColor color; - switch (i) { - case 0: - color = SK_ColorTRANSPARENT; - break; - case 1: - color = SkColorSetARGB(0xff, - random->nextULessThan(256), - random->nextULessThan(256), - random->nextULessThan(256)); - break; - default: - uint8_t alpha = random->nextULessThan(256); - color = SkColorSetARGB(alpha, - random->nextRangeU(0, alpha), - random->nextRangeU(0, alpha), - random->nextRangeU(0, alpha)); - break; - } - return color; - } - - static void SetStyle(SkPaint* p, int style, int width) { - switch (style) { - case 0: - p->setStyle(SkPaint::kStroke_Style); - p->setStrokeWidth((SkScalar)width); - break; - case 1: - p->setStyle(SkPaint::kStrokeAndFill_Style); - p->setStrokeWidth((SkScalar)width); - break; - default: - p->setStyle(SkPaint::kFill_Style); - break; - } - } - - void onDraw(SkCanvas* canvas) SK_OVERRIDE { - SkRandom random; - SkScalar y = 100; - for (int i = 0; i < kNumShapeTypes; i++) { - ShapeType shapeType = static_cast<ShapeType>(i); - SkScalar x = 25; - for (int style = 0; style < 3; style++) { - for (int width = 0; width <= 1; width++) { - for (int alpha = 0; alpha <= 2; alpha++) { - for (int r = 0; r <= 5; r++) { - SkColor color = GetColor(&random, alpha); - - SkPaint p; - p.setAntiAlias(true); - p.setColor(color); - p.setXfermodeMode(r % 3 == 0 ? SkXfermode::kHardLight_Mode : - SkXfermode::kSrcOver_Mode); - SetStyle(&p, style, width); - canvas->save(); - canvas->translate(x, y); - canvas->rotate((SkScalar)(r < 3 ? 10 : 0)); - this->drawShape(canvas, &p, shapeType); - canvas->restore(); - x += 8; - } - } - } - } - y += 50; - } - } - -private: - enum { - kNumShapes = 100, - }; - SkAutoTUnref<SkShader> fBG; - SkPath fConcavePath; - SkPath fConvexPath; - static const int kWidth = 900; - static const int kHeight = 400; - typedef GM INHERITED; -}; - -////////////////////////////////////////////////////////////////////////////// - -static GM* MyFactory(void*) { return new DstReadShuffle; } -static GMRegistry reg(MyFactory); - -} |