3 * Copyright 2011 Google Inc.
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
8 #include "SampleCode.h"
11 #include "SkBlurMaskFilter.h"
14 #include "SkXfermode.h"
19 static void set2x3(SkMatrix* m, float a, float b, float c, float d, float e, float f) {
29 static SkRandom gRand;
30 static bool return_large;
31 static bool return_undef;
33 static bool scale_large;
35 static float transval = 0;
37 static int R(float x) {
38 return (int)floor(SkScalarToFloat(gRand.nextUScalar1()) * x);
47 static float make_number() {
51 if (return_large == true && R(3) == 1) sel = R(6); else sel = R(4);
52 if (return_undef == false && sel == 0) sel = 1;
54 if (R(2) == 1) v = (float)R(100); else
59 case 2: v = 0.000001f; break;
60 case 3: v = 10000; break;
61 case 4: v = 2000000000; break;
62 case 5: v = huge(); break;
65 if (R(4) == 1) v = -v;
69 static SkColor make_color() {
70 if (R(2) == 1) return 0xFFC0F0A0; else return 0xFF000090;
74 static SkColor make_fill() {
78 if (quick == true) sel = 0; else sel = R(6);
89 var r = ctx.createLinearGradient(make_number(),make_number(),make_number(),make_number());
91 r.addColorStop(make_number(),make_color());
96 var r = ctx.createRadialGradient(make_number(),make_number(),make_number(),make_number(),make_number(),make_number());
98 r.addColorStop(make_number(),make_color());
103 var r = ctx.createPattern(imgObj,"repeat");
105 r.addColorStop(make_number(),make_color());
115 static void do_fuzz(SkCanvas* canvas) {
118 paint.setAntiAlias(true);
120 for (int i=0;i<100;i++) {
124 paint.setColor(make_fill());
128 paint.setAlpha(gRand.nextU() & 0xFF);
132 SkXfermode::Mode mode;
134 case 0: mode = SkXfermode::kSrc_Mode; break;
135 case 1: mode = SkXfermode::kXor_Mode; break;
136 case 2: mode = SkXfermode::kSrcOver_Mode; break;
138 paint.setXfermodeMode(mode);
144 case 0: paint.setStrokeCap(SkPaint::kRound_Cap); break;
145 case 1: paint.setStrokeCap(SkPaint::kButt_Cap); break;
151 case 0: paint.setStrokeJoin(SkPaint::kRound_Join); break;
152 case 1: paint.setStrokeJoin(SkPaint::kMiter_Join); break;
157 paint.setStrokeWidth(make_number());
161 paint.setStrokeMiter(make_number());
165 if (quick == true) break;
166 SkSafeUnref(paint.setMaskFilter(SkBlurMaskFilter::Create(make_number(), SkBlurMaskFilter::kNormal_BlurStyle)));
170 if (quick == true) break;
171 //ctx.shadowColor = make_fill();
175 if (quick == true) break;
176 //ctx.shadowOffsetX = make_number();
177 //ctx.shadowOffsetY = make_number();
185 canvas->rotate(make_number());
193 canvas->scale(-1,-1);
198 if (quick == true) break;
201 transval = make_number();
202 canvas->translate(transval,0);
204 canvas->translate(-transval,0);
212 r.set(make_number(),make_number(),make_number(),make_number());
213 SkPaint::Style s = paint.getStyle();
214 paint.setStyle(SkPaint::kFill_Style);
215 canvas->drawRect(r, paint);
221 if (quick == true) break;
222 // ctx.drawImage(imgObj,make_number(),make_number(),make_number(),make_number(),make_number(),make_number(),make_number(),make_number());
227 r.set(make_number(),make_number(),make_number(),make_number());
228 SkPaint::Style s = paint.getStyle();
229 paint.setStyle(SkPaint::kFill_Style);
230 canvas->drawRect(r, paint);
239 // ctx.clip() is evil.
247 SkPaint::Style s = paint.getStyle();
248 paint.setStyle(SkPaint::kFill_Style);
249 canvas->drawPath(path, paint);
254 SkPaint::Style s = paint.getStyle();
255 paint.setStyle(SkPaint::kFill_Style);
256 canvas->drawPath(path, paint);
262 r.set(make_number(),make_number(),make_number(),make_number());
263 SkPaint::Style s = paint.getStyle();
264 paint.setStyle(SkPaint::kStroke_Style);
265 canvas->drawRect(r, paint);
270 if (quick == true) break;
271 //ctx.arc(make_number(),make_number(),make_number(),make_number(),make_number(),true);
275 if (quick == true) break;
276 //ctx.arcTo(make_number(),make_number(),make_number(),make_number(),make_number());
280 if (quick == true) break;
281 //ctx.bezierCurveTo(make_number(),make_number(),make_number(),make_number(),make_number(),make_number());
285 path.lineTo(make_number(),make_number());
289 path.moveTo(make_number(),make_number());
293 if (quick == true) break;
294 path.quadTo(make_number(),make_number(),make_number(),make_number());
298 if (quick == true) break;
300 set2x3(&matrix, make_number(),make_number(),make_number(),make_number(),make_number(),make_number());
301 canvas->concat(matrix);
305 if (quick == true) break;
307 set2x3(&matrix, make_number(),make_number(),make_number(),make_number(),make_number(),make_number());
308 canvas->setMatrix(matrix);
313 if (scale_large == true) {
316 case 0: canvas->scale(-1000000000,1);
317 canvas->scale(-1000000000,1);
319 case 1: canvas->scale(-.000000001f,1); scval = 2; break;
320 case 2: canvas->scale(-.000000001f,1); scval = 0; break;
334 //////////////////////////////////////////////////////////////////////////////
336 class FuzzView : public SampleView {
339 this->setBGColor(0xFFDDDDDD);
343 // overrides from SkEventSink
344 virtual bool onQuery(SkEvent* evt) {
345 if (SampleCode::TitleQ(*evt)) {
346 SampleCode::TitleR(evt, "Fuzzer");
349 return this->INHERITED::onQuery(evt);
352 void drawBG(SkCanvas* canvas) {
353 canvas->drawColor(0xFFDDDDDD);
356 virtual void onDrawContent(SkCanvas* canvas) {
357 SkIRect r = canvas->getTotalClip().getBounds();
363 typedef SkView INHERITED;
366 //////////////////////////////////////////////////////////////////////////////
368 static SkView* MyFactory() { return new FuzzView; }
369 static SkViewRegister reg(MyFactory);