28 void draw_shadow(SkCanvas* canvas, const SkPath& path, SkScalar height, SkColor color,  in draw_shadow()  argument
36     SkShadowUtils::DrawShadow(canvas, path, SkPoint3{ 0, 0, height}, lightPos, lightR,  in draw_shadow()
49 void draw_paths(SkCanvas* canvas, ShadowMode mode) {  in draw_paths()  argument
85     // transform light position relative to canvas to handle tiling  in draw_paths()
86     SkPoint lightXY = canvas->getTotalMatrix().mapXY(250, 400);  in draw_paths()
89     canvas->translate(3 * kPad, 3 * kPad);  in draw_paths()
90     canvas->save();  in draw_paths()
105                     canvas->restore();  in draw_paths()
106                     canvas->translate(0, dy);  in draw_paths()
107                     canvas->save();  in draw_paths()
112                 canvas->save();  in draw_paths()
113                 canvas->concat(m);  in draw_paths()
117                     canvas->save();  in draw_paths()
118                     canvas->rotate(180, 25, 25);  in draw_paths()
121                     draw_shadow(canvas, path, kHeight, SK_ColorRED, lightPos, kLightR,  in draw_paths()
123                     draw_shadow(canvas, path, kHeight, SK_ColorBLUE, lightPos, kLightR,  in draw_paths()
128                     SkShadowUtils::DrawShadow(canvas, path, SkPoint3{0, 0, kHeight}, lightPos,  in draw_paths()
150                 canvas->drawPath(path, paint);  in draw_paths()
152                     canvas->restore();  in draw_paths()
154                 canvas->restore();  in draw_paths()
156                 canvas->translate(dx, 0);  in draw_paths()
165     canvas->restore();  in draw_paths()
166     canvas->translate(kPad, dy);  in draw_paths()
167     canvas->save();  in draw_paths()
178             canvas->save();  in draw_paths()
179             canvas->concat(m);  in draw_paths()
182                 draw_shadow(canvas, path, kHeight, SK_ColorRED, lightPos, kLightR,  in draw_paths()
184                 draw_shadow(canvas, path, kHeight, SK_ColorBLUE, lightPos, kLightR,  in draw_paths()
189                 SkShadowUtils::DrawShadow(canvas, path, SkPoint3{ 0, 0, kHeight }, lightPos,  in draw_paths()
204             canvas->drawPath(path, paint);  in draw_paths()
205             canvas->restore();  in draw_paths()
207             canvas->translate(dx, 0);  in draw_paths()
214     SkMatrix invCanvasM = canvas->getTotalMatrix();  in draw_paths()
216         canvas->save();  in draw_paths()
217         canvas->concat(invCanvasM);  in draw_paths()
221         canvas->drawCircle(lightPos.fX, lightPos.fY, kLightR / 10.f, paint);  in draw_paths()
222         canvas->restore();  in draw_paths()
226 DEF_SIMPLE_GM(shadow_utils, canvas, kW, kH) {  in DEF_SIMPLE_GM()  argument
227     draw_paths(canvas, kDebugColorNoOccluders);  in DEF_SIMPLE_GM()
230 DEF_SIMPLE_GM(shadow_utils_occl, canvas, kW, kH) {  in DEF_SIMPLE_GM()  argument
231     draw_paths(canvas, kDebugColorOccluders);  in DEF_SIMPLE_GM()
234 DEF_SIMPLE_GM(shadow_utils_gray, canvas, kW, kH) {  in DEF_SIMPLE_GM()  argument
235     draw_paths(canvas, kGrayscale);  in DEF_SIMPLE_GM()
241 DEF_SIMPLE_GM(shadow_utils_gaussian_colorfilter, canvas, 512, 256) {
254     canvas->drawRect(r, redPaint);
255     canvas->drawRect(r, paint);
257     canvas->translate(256, 0);
259     canvas->drawRect(r, redPaint);
260     canvas->drawRect(r, paint);
263 DEF_SIMPLE_GM(shadow_utils_directional, canvas, 256, 384) {
279     canvas->save();
280     canvas->translate(35, 35);
282         SkShadowUtils::DrawShadow(canvas, rrect, SkPoint3{ 0, 0, kHeight }, lightPos,
285         canvas->drawPath(rrect, paint);
286         canvas->translate(80, 0);
288     canvas->restore();
292         canvas->save();
293         canvas->translate(35 + 80*i, 105);
294         canvas->rotate(20.f*(i + 1));
295         SkShadowUtils::DrawShadow(canvas, rrect, SkPoint3{ 0, 0, kHeight }, lightPos,
299         canvas->drawPath(rrect, paint);
300         canvas->restore();
305         canvas->save();
307         canvas->translate(35 + 80*i, 185);
308         canvas->scale(scaleFactor, scaleFactor);
309         SkShadowUtils::DrawShadow(canvas, rrect, SkPoint3{ 0, 0, kHeight }, lightPos,
313         canvas->drawPath(rrect, paint);
314         canvas->restore();
319         canvas->save();
324         canvas->translate(35 + 80*i, 265);
325         canvas->concat(mat);
326         SkShadowUtils::DrawShadow(canvas, rrect, SkPoint3{ 0, 0, kHeight }, lightPos,
330         canvas->drawPath(rrect, paint);
331         canvas->restore();