96     void draw_pass(SkCanvas* canvas, DrawingPass drawingPass) {  in draw_pass()  argument
100         canvas->save();  in draw_pass()
102             canvas->translate(kMargin, kMargin);  in draw_pass()
104         canvas->translate(0, kTitleSpacing);  in draw_pass()
108             canvas->save();  in draw_pass()
112                 canvas->drawText("Src Unknown", sizeof("Src Unknown") - 1,  in draw_pass()
115                 canvas->drawText("Src Opaque", sizeof("Src Opaque") - 1,  in draw_pass()
121             canvas->translate(0, kSubtitleSpacing + kShapeSpacing/2);  in draw_pass()
125                 canvas->save();  in draw_pass()
128                     this->drawModeName(canvas, mode);  in draw_pass()
130                 canvas->translate(kLabelSpacing + kShapeSpacing/2, 0);  in draw_pass()
134                     this->setupShapePaint(canvas, kShapeColors[colorIdx], mode, &paint);  in draw_pass()
136                     canvas->save();  in draw_pass()
140                             canvas->save();  in draw_pass()
141                             canvas->clipRect(clipRect);  in draw_pass()
143                                 sk_tool_utils::draw_checkerboard(canvas, 0xffffffff, 0xffc6c3c6,  in draw_pass()
147                                 canvas->drawColor(kBGColor, SkXfermode::kSrc_Mode);  in draw_pass()
149                             canvas->restore();  in draw_pass()
151                             this->drawShape(canvas, static_cast<Shape>(shapeIdx), paint, mode);  in draw_pass()
153                         canvas->translate(kShapeTypeSpacing, 0);  in draw_pass()
156                     canvas->restore();  in draw_pass()
157                     canvas->translate(kPaintSpacing, 0);  in draw_pass()
160                 canvas->restore();  in draw_pass()
161                 canvas->translate(0, kShapeSpacing);  in draw_pass()
164             canvas->restore();  in draw_pass()
165             canvas->translate(kXfermodeTypeSpacing, 0);  in draw_pass()
168         canvas->restore();  in draw_pass()
171     void onDraw(SkCanvas* canvas) override {  in onDraw()  argument
172         draw_pass(canvas, kCheckerboard_Pass);  in onDraw()
173         canvas->saveLayer(nullptr, nullptr);  in onDraw()
175         canvas->translate(kMargin, kMargin);  in onDraw()
176         draw_pass(canvas, kBackground_Pass);  in onDraw()
182         canvas->drawText("Porter Duff", sizeof("Porter Duff") - 1,  in onDraw()
185         canvas->drawText("Advanced", sizeof("Advanced") - 1,  in onDraw()
189         draw_pass(canvas, kShape_Pass);  in onDraw()
190         canvas->restore();  in onDraw()
193     void drawModeName(SkCanvas* canvas, SkXfermode::Mode mode) {  in drawModeName()  argument
197         canvas->drawText(modeName, strlen(modeName), kLabelSpacing - kShapeSize / 4,  in drawModeName()
201     void setupShapePaint(SkCanvas* canvas, GrColor color, SkXfermode::Mode mode, SkPaint* paint) {  in setupShapePaint()  argument
223                 canvas->drawRectCoords(-kShapeSpacing/2, -kShapeSpacing/2,  in setupShapePaint()
230     void drawShape(SkCanvas* canvas, Shape shape, const SkPaint& paint, SkXfermode::Mode mode) {  in drawShape()  argument
244                 canvas->drawRectCoords(-kShapeSize/2, -kShapeSize/2, kShapeSize/2, kShapeSize/2,  in drawShape()
249                 canvas->save();  in drawShape()
250                 canvas->rotate(45);  in drawShape()
251                 canvas->drawRectCoords(-kShapeSize/2, -kShapeSize/2, kShapeSize/2, kShapeSize/2,  in drawShape()
253                 canvas->restore();  in drawShape()
257                 canvas->save();  in drawShape()
258                 canvas->rotate(static_cast<SkScalar>((511 * mode + 257) % 360));  in drawShape()
259                 canvas->drawPath(fOval, shapePaint);  in drawShape()
260                 canvas->restore();  in drawShape()
264                 canvas->drawPath(fConcave, shapePaint);  in drawShape()