1 /*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "SampleApp.h"
9
10 #include "OverView.h"
11 #include "Resources.h"
12 #include "SampleCode.h"
13 #include "SkAnimTimer.h"
14 #include "SkCanvas.h"
15 #include "SkCommandLineFlags.h"
16 #include "SkData.h"
17 #include "SkDevice.h"
18 #include "SkDocument.h"
19 #include "SkGraphics.h"
20 #include "SkImageEncoder.h"
21 #include "SkOSFile.h"
22 #include "SkPaint.h"
23 #include "SkPaintFilterCanvas.h"
24 #include "SkPicture.h"
25 #include "SkPictureRecorder.h"
26 #include "SkStream.h"
27 #include "SkSurface.h"
28 #include "SkTemplates.h"
29 #include "SkTSort.h"
30 #include "SkTime.h"
31 #include "SkTypeface.h"
32 #include "SkWindow.h"
33 #include "sk_tool_utils.h"
34
35 #if SK_SUPPORT_GPU
36 #include "gl/GrGLInterface.h"
37 #include "gl/GrGLUtil.h"
38 #include "GrRenderTarget.h"
39 #include "GrContext.h"
40 #include "SkGpuDevice.h"
41 #else
42 class GrContext;
43 #endif
44
45 const struct {
46 SkColorType fColorType;
47 SkColorProfileType fProfileType;
48 const char* fName;
49 } gConfig[] = {
50 { kN32_SkColorType, kLinear_SkColorProfileType, "L32" },
51 { kN32_SkColorType, kSRGB_SkColorProfileType, "S32" },
52 { kRGBA_F16_SkColorType, kLinear_SkColorProfileType, "F16" },
53 };
54
find_config_name(const SkImageInfo & info)55 static const char* find_config_name(const SkImageInfo& info) {
56 for (const auto& config : gConfig) {
57 if (config.fColorType == info.colorType() && config.fProfileType == info.profileType()) {
58 return config.fName;
59 }
60 }
61 return "???";
62 }
63
64 // Should be 3x + 1
65 #define kMaxFatBitsScale 28
66
67 extern SampleView* CreateSamplePictFileView(const char filename[]);
68
69 class PictFileFactory : public SkViewFactory {
70 SkString fFilename;
71 public:
PictFileFactory(const SkString & filename)72 PictFileFactory(const SkString& filename) : fFilename(filename) {}
operator ()() const73 SkView* operator() () const override {
74 return CreateSamplePictFileView(fFilename.c_str());
75 }
76 };
77
78 #ifdef SAMPLE_PDF_FILE_VIEWER
79 extern SampleView* CreateSamplePdfFileViewer(const char filename[]);
80
81 class PdfFileViewerFactory : public SkViewFactory {
82 SkString fFilename;
83 public:
PdfFileViewerFactory(const SkString & filename)84 PdfFileViewerFactory(const SkString& filename) : fFilename(filename) {}
operator ()() const85 SkView* operator() () const override {
86 return CreateSamplePdfFileViewer(fFilename.c_str());
87 }
88 };
89 #endif // SAMPLE_PDF_FILE_VIEWER
90
91 #if SK_COMMAND_BUFFER
92 #define DEFAULT_TO_COMMAND_BUFFER 1
93 #elif SK_ANGLE
94 //#define DEFAULT_TO_ANGLE 1
95 #else
96 #define DEFAULT_TO_GPU 0 // if 1 default rendering is on GPU
97 #endif
98
99 #define ANIMATING_EVENTTYPE "nextSample"
100 #define ANIMATING_DELAY 250
101
102 #ifdef SK_DEBUG
103 #define FPS_REPEAT_MULTIPLIER 1
104 #else
105 #define FPS_REPEAT_MULTIPLIER 10
106 #endif
107 #define FPS_REPEAT_COUNT (10 * FPS_REPEAT_MULTIPLIER)
108
109 static SampleWindow* gSampleWindow;
110
111 static bool gShowGMBounds;
112
post_event_to_sink(SkEvent * evt,SkEventSink * sink)113 static void post_event_to_sink(SkEvent* evt, SkEventSink* sink) {
114 evt->setTargetID(sink->getSinkID())->post();
115 }
116
117 static SkAnimTimer gAnimTimer;
118
119 ///////////////////////////////////////////////////////////////////////////////
120
skip_until(const char * str,const char * skip)121 static const char* skip_until(const char* str, const char* skip) {
122 if (!str) {
123 return nullptr;
124 }
125 return strstr(str, skip);
126 }
127
skip_past(const char * str,const char * skip)128 static const char* skip_past(const char* str, const char* skip) {
129 const char* found = skip_until(str, skip);
130 if (!found) {
131 return nullptr;
132 }
133 return found + strlen(skip);
134 }
135
136 static const char* gPrefFileName = "sampleapp_prefs.txt";
137
readTitleFromPrefs(SkString * title)138 static bool readTitleFromPrefs(SkString* title) {
139 SkFILEStream stream(gPrefFileName);
140 if (!stream.isValid()) {
141 return false;
142 }
143
144 size_t len = stream.getLength();
145 SkString data(len);
146 stream.read(data.writable_str(), len);
147 const char* s = data.c_str();
148
149 s = skip_past(s, "curr-slide-title");
150 s = skip_past(s, "=");
151 s = skip_past(s, "\"");
152 const char* stop = skip_until(s, "\"");
153 if (stop > s) {
154 title->set(s, stop - s);
155 return true;
156 }
157 return false;
158 }
159
writeTitleToPrefs(const char * title)160 static void writeTitleToPrefs(const char* title) {
161 SkFILEWStream stream(gPrefFileName);
162 SkString data;
163 data.printf("curr-slide-title = \"%s\"\n", title);
164 stream.write(data.c_str(), data.size());
165 }
166
167 ///////////////////////////////////////////////////////////////////////////////
168
169 class SampleWindow::DefaultDeviceManager : public SampleWindow::DeviceManager {
170 public:
171
DefaultDeviceManager()172 DefaultDeviceManager() {
173 #if SK_SUPPORT_GPU
174 fCurContext = nullptr;
175 fCurIntf = nullptr;
176 fCurRenderTarget = nullptr;
177 fMSAASampleCount = 0;
178 #endif
179 fBackend = kNone_BackEndType;
180 }
181
~DefaultDeviceManager()182 virtual ~DefaultDeviceManager() {
183 #if SK_SUPPORT_GPU
184 SkSafeUnref(fCurContext);
185 SkSafeUnref(fCurIntf);
186 SkSafeUnref(fCurRenderTarget);
187 #endif
188 }
189
setUpBackend(SampleWindow * win,int msaaSampleCount)190 void setUpBackend(SampleWindow* win, int msaaSampleCount) override {
191 SkASSERT(kNone_BackEndType == fBackend);
192
193 fBackend = kNone_BackEndType;
194
195 #if SK_SUPPORT_GPU
196 switch (win->getDeviceType()) {
197 case kRaster_DeviceType: // fallthrough
198 case kGPU_DeviceType:
199 // all these guys use the native backend
200 fBackend = kNativeGL_BackEndType;
201 break;
202 #if SK_ANGLE
203 case kANGLE_DeviceType:
204 // ANGLE is really the only odd man out
205 fBackend = kANGLE_BackEndType;
206 break;
207 #endif // SK_ANGLE
208 #if SK_COMMAND_BUFFER
209 case kCommandBufferES2_DeviceType:
210 // Command buffer is really the only other odd man out :D
211 fBackend = kCommandBufferES2_BackEndType;
212 break;
213 #endif // SK_COMMAND_BUFFER
214 default:
215 SkASSERT(false);
216 break;
217 }
218 AttachmentInfo attachmentInfo;
219 bool result = win->attach(fBackend, msaaSampleCount, &attachmentInfo);
220 if (!result) {
221 SkDebugf("Failed to initialize GL");
222 return;
223 }
224 fMSAASampleCount = msaaSampleCount;
225
226 SkASSERT(nullptr == fCurIntf);
227 SkAutoTUnref<const GrGLInterface> glInterface;
228 switch (win->getDeviceType()) {
229 case kRaster_DeviceType: // fallthrough
230 case kGPU_DeviceType:
231 // all these guys use the native interface
232 glInterface.reset(GrGLCreateNativeInterface());
233 break;
234 #if SK_ANGLE
235 case kANGLE_DeviceType:
236 glInterface.reset(GrGLCreateANGLEInterface());
237 break;
238 #endif // SK_ANGLE
239 #if SK_COMMAND_BUFFER
240 case kCommandBufferES2_DeviceType:
241 glInterface.reset(GrGLCreateCommandBufferInterface());
242 break;
243 #endif // SK_COMMAND_BUFFER
244 default:
245 SkASSERT(false);
246 break;
247 }
248
249 // Currently SampleApp does not use NVPR. TODO: Provide an NVPR device type that is skipped
250 // when the driver doesn't support NVPR.
251 fCurIntf = GrGLInterfaceRemoveNVPR(glInterface.get());
252
253 SkASSERT(nullptr == fCurContext);
254 fCurContext = GrContext::Create(kOpenGL_GrBackend, (GrBackendContext) fCurIntf);
255
256 if (nullptr == fCurContext || nullptr == fCurIntf) {
257 // We need some context and interface to see results
258 SkSafeUnref(fCurContext);
259 SkSafeUnref(fCurIntf);
260 fCurContext = nullptr;
261 fCurIntf = nullptr;
262 SkDebugf("Failed to setup 3D");
263
264 win->detach();
265 }
266 #endif // SK_SUPPORT_GPU
267 // call windowSizeChanged to create the render target
268 this->windowSizeChanged(win);
269 }
270
tearDownBackend(SampleWindow * win)271 void tearDownBackend(SampleWindow *win) override {
272 #if SK_SUPPORT_GPU
273 if (fCurContext) {
274 // in case we have outstanding refs to this guy (lua?)
275 fCurContext->abandonContext();
276 fCurContext->unref();
277 fCurContext = nullptr;
278 }
279
280 SkSafeUnref(fCurIntf);
281 fCurIntf = nullptr;
282
283 SkSafeUnref(fCurRenderTarget);
284 fCurRenderTarget = nullptr;
285 #endif
286 win->detach();
287 fBackend = kNone_BackEndType;
288 }
289
createSurface(SampleWindow::DeviceType dType,SampleWindow * win)290 SkSurface* createSurface(SampleWindow::DeviceType dType, SampleWindow* win) override {
291 #if SK_SUPPORT_GPU
292 if (IsGpuDeviceType(dType) && fCurContext) {
293 SkSurfaceProps props(win->getSurfaceProps());
294 return SkSurface::NewRenderTargetDirect(fCurRenderTarget, &props);
295 }
296 #endif
297 return nullptr;
298 }
299
publishCanvas(SampleWindow::DeviceType dType,SkCanvas * canvas,SampleWindow * win)300 void publishCanvas(SampleWindow::DeviceType dType,
301 SkCanvas* canvas, SampleWindow* win) override {
302 #if SK_SUPPORT_GPU
303 if (fCurContext) {
304 // in case we have queued drawing calls
305 fCurContext->flush();
306
307 if (!IsGpuDeviceType(dType)) {
308 // need to send the raster bits to the (gpu) window
309 const SkBitmap& bm = win->getBitmap();
310 fCurRenderTarget->writePixels(0, 0, bm.width(), bm.height(),
311 SkImageInfo2GrPixelConfig(bm.colorType(),
312 bm.alphaType(),
313 bm.profileType()),
314 bm.getPixels(),
315 bm.rowBytes(),
316 GrContext::kFlushWrites_PixelOp);
317 }
318 }
319 #endif
320
321 win->present();
322 }
323
windowSizeChanged(SampleWindow * win)324 void windowSizeChanged(SampleWindow* win) override {
325 #if SK_SUPPORT_GPU
326 if (fCurContext) {
327 AttachmentInfo attachmentInfo;
328 win->attach(fBackend, fMSAASampleCount, &attachmentInfo);
329 SkSafeUnref(fCurRenderTarget);
330 fCurRenderTarget = win->renderTarget(attachmentInfo, fCurIntf, fCurContext);
331 }
332 #endif
333 }
334
getGrContext()335 GrContext* getGrContext() override {
336 #if SK_SUPPORT_GPU
337 return fCurContext;
338 #else
339 return nullptr;
340 #endif
341 }
342
getGrRenderTarget()343 GrRenderTarget* getGrRenderTarget() override {
344 #if SK_SUPPORT_GPU
345 return fCurRenderTarget;
346 #else
347 return nullptr;
348 #endif
349 }
350
351 private:
352
353 #if SK_SUPPORT_GPU
354 GrContext* fCurContext;
355 const GrGLInterface* fCurIntf;
356 GrRenderTarget* fCurRenderTarget;
357 int fMSAASampleCount;
358 #endif
359
360 SkOSWindow::SkBackEndTypes fBackend;
361
362 typedef SampleWindow::DeviceManager INHERITED;
363 };
364
365 ///////////////
366 static const char view_inval_msg[] = "view-inval-msg";
367
postInvalDelay()368 void SampleWindow::postInvalDelay() {
369 (new SkEvent(view_inval_msg, this->getSinkID()))->postDelay(1);
370 }
371
isInvalEvent(const SkEvent & evt)372 static bool isInvalEvent(const SkEvent& evt) {
373 return evt.isType(view_inval_msg);
374 }
375 //////////////////
376
SkFuncViewFactory(SkViewCreateFunc func)377 SkFuncViewFactory::SkFuncViewFactory(SkViewCreateFunc func)
378 : fCreateFunc(func) {
379 }
380
operator ()() const381 SkView* SkFuncViewFactory::operator() () const {
382 return (*fCreateFunc)();
383 }
384
385 #include "GMSampleView.h"
386
SkGMSampleViewFactory(GMFactoryFunc func)387 SkGMSampleViewFactory::SkGMSampleViewFactory(GMFactoryFunc func)
388 : fFunc(func) {
389 }
390
operator ()() const391 SkView* SkGMSampleViewFactory::operator() () const {
392 skiagm::GM* gm = fFunc(nullptr);
393 gm->setMode(skiagm::GM::kSample_Mode);
394 return new GMSampleView(gm);
395 }
396
397 SkViewRegister* SkViewRegister::gHead;
SkViewRegister(SkViewFactory * fact)398 SkViewRegister::SkViewRegister(SkViewFactory* fact) : fFact(fact) {
399 fFact->ref();
400 fChain = gHead;
401 gHead = this;
402 }
403
SkViewRegister(SkViewCreateFunc func)404 SkViewRegister::SkViewRegister(SkViewCreateFunc func) {
405 fFact = new SkFuncViewFactory(func);
406 fChain = gHead;
407 gHead = this;
408 }
409
SkViewRegister(GMFactoryFunc func)410 SkViewRegister::SkViewRegister(GMFactoryFunc func) {
411 fFact = new SkGMSampleViewFactory(func);
412 fChain = gHead;
413 gHead = this;
414 }
415
416 class AutoUnrefArray {
417 public:
AutoUnrefArray()418 AutoUnrefArray() {}
~AutoUnrefArray()419 ~AutoUnrefArray() {
420 int count = fObjs.count();
421 for (int i = 0; i < count; ++i) {
422 fObjs[i]->unref();
423 }
424 }
push_back()425 SkRefCnt*& push_back() { return *fObjs.append(); }
426
427 private:
428 SkTDArray<SkRefCnt*> fObjs;
429 };
430
431 // registers GMs as Samples
432 // This can't be performed during static initialization because it could be
433 // run before GMRegistry has been fully built.
SkGMRegistyToSampleRegistry()434 static void SkGMRegistyToSampleRegistry() {
435 static bool gOnce;
436 static AutoUnrefArray fRegisters;
437
438 if (!gOnce) {
439 const skiagm::GMRegistry* gmreg = skiagm::GMRegistry::Head();
440 while (gmreg) {
441 fRegisters.push_back() = new SkViewRegister(gmreg->factory());
442 gmreg = gmreg->next();
443 }
444 gOnce = true;
445 }
446 }
447
448 //////////////////////////////////////////////////////////////////////////////
449
450 enum FlipAxisEnum {
451 kFlipAxis_X = (1 << 0),
452 kFlipAxis_Y = (1 << 1)
453 };
454
455 #include "SkDrawFilter.h"
456
457 struct HintingState {
458 SkPaint::Hinting hinting;
459 const char* name;
460 const char* label;
461 };
462 static HintingState gHintingStates[] = {
463 {SkPaint::kNo_Hinting, "Mixed", nullptr },
464 {SkPaint::kNo_Hinting, "None", "H0 " },
465 {SkPaint::kSlight_Hinting, "Slight", "Hs " },
466 {SkPaint::kNormal_Hinting, "Normal", "Hn " },
467 {SkPaint::kFull_Hinting, "Full", "Hf " },
468 };
469
470 struct FilterQualityState {
471 SkFilterQuality fQuality;
472 const char* fName;
473 const char* fLabel;
474 };
475 static FilterQualityState gFilterQualityStates[] = {
476 { kNone_SkFilterQuality, "Mixed", nullptr },
477 { kNone_SkFilterQuality, "None", "F0 " },
478 { kLow_SkFilterQuality, "Low", "F1 " },
479 { kMedium_SkFilterQuality, "Medium", "F2 " },
480 { kHigh_SkFilterQuality, "High", "F3 " },
481 };
482
483 class FlagsFilterCanvas : public SkPaintFilterCanvas {
484 public:
FlagsFilterCanvas(SkCanvas * canvas,SkOSMenu::TriState lcd,SkOSMenu::TriState aa,SkOSMenu::TriState subpixel,int hinting,int filterQuality)485 FlagsFilterCanvas(SkCanvas* canvas, SkOSMenu::TriState lcd, SkOSMenu::TriState aa,
486 SkOSMenu::TriState subpixel, int hinting, int filterQuality)
487 : INHERITED(canvas)
488 , fLCDState(lcd)
489 , fAAState(aa)
490 , fSubpixelState(subpixel)
491 , fHintingState(hinting)
492 , fFilterQualityIndex(filterQuality) {
493 SkASSERT((unsigned)filterQuality < SK_ARRAY_COUNT(gFilterQualityStates));
494 }
495
496 protected:
onFilter(SkTCopyOnFirstWrite<SkPaint> * paint,Type t) const497 bool onFilter(SkTCopyOnFirstWrite<SkPaint>* paint, Type t) const override {
498 if (!*paint) {
499 return true;
500 }
501
502 if (kText_Type == t && SkOSMenu::kMixedState != fLCDState) {
503 paint->writable()->setLCDRenderText(SkOSMenu::kOnState == fLCDState);
504 }
505 if (SkOSMenu::kMixedState != fAAState) {
506 paint->writable()->setAntiAlias(SkOSMenu::kOnState == fAAState);
507 }
508 if (0 != fFilterQualityIndex) {
509 paint->writable()->setFilterQuality(gFilterQualityStates[fFilterQualityIndex].fQuality);
510 }
511 if (SkOSMenu::kMixedState != fSubpixelState) {
512 paint->writable()->setSubpixelText(SkOSMenu::kOnState == fSubpixelState);
513 }
514 if (0 != fHintingState && fHintingState < (int)SK_ARRAY_COUNT(gHintingStates)) {
515 paint->writable()->setHinting(gHintingStates[fHintingState].hinting);
516 }
517 return true;
518 }
519
520 private:
521 SkOSMenu::TriState fLCDState;
522 SkOSMenu::TriState fAAState;
523 SkOSMenu::TriState fSubpixelState;
524 int fHintingState;
525 int fFilterQualityIndex;
526
527 typedef SkPaintFilterCanvas INHERITED;
528 };
529
530 //////////////////////////////////////////////////////////////////////////////
531
532 #define MAX_ZOOM_LEVEL 8
533 #define MIN_ZOOM_LEVEL -8
534
535 static const char gCharEvtName[] = "SampleCode_Char_Event";
536 static const char gKeyEvtName[] = "SampleCode_Key_Event";
537 static const char gTitleEvtName[] = "SampleCode_Title_Event";
538 static const char gPrefSizeEvtName[] = "SampleCode_PrefSize_Event";
539 static const char gFastTextEvtName[] = "SampleCode_FastText_Event";
540 static const char gUpdateWindowTitleEvtName[] = "SampleCode_UpdateWindowTitle";
541
CharQ(const SkEvent & evt,SkUnichar * outUni)542 bool SampleCode::CharQ(const SkEvent& evt, SkUnichar* outUni) {
543 if (evt.isType(gCharEvtName, sizeof(gCharEvtName) - 1)) {
544 if (outUni) {
545 *outUni = evt.getFast32();
546 }
547 return true;
548 }
549 return false;
550 }
551
KeyQ(const SkEvent & evt,SkKey * outKey)552 bool SampleCode::KeyQ(const SkEvent& evt, SkKey* outKey) {
553 if (evt.isType(gKeyEvtName, sizeof(gKeyEvtName) - 1)) {
554 if (outKey) {
555 *outKey = (SkKey)evt.getFast32();
556 }
557 return true;
558 }
559 return false;
560 }
561
TitleQ(const SkEvent & evt)562 bool SampleCode::TitleQ(const SkEvent& evt) {
563 return evt.isType(gTitleEvtName, sizeof(gTitleEvtName) - 1);
564 }
565
TitleR(SkEvent * evt,const char title[])566 void SampleCode::TitleR(SkEvent* evt, const char title[]) {
567 SkASSERT(evt && TitleQ(*evt));
568 evt->setString(gTitleEvtName, title);
569 }
570
RequestTitle(SkView * view,SkString * title)571 bool SampleCode::RequestTitle(SkView* view, SkString* title) {
572 SkEvent evt(gTitleEvtName);
573 if (view->doQuery(&evt)) {
574 title->set(evt.findString(gTitleEvtName));
575 return true;
576 }
577 return false;
578 }
579
PrefSizeQ(const SkEvent & evt)580 bool SampleCode::PrefSizeQ(const SkEvent& evt) {
581 return evt.isType(gPrefSizeEvtName, sizeof(gPrefSizeEvtName) - 1);
582 }
583
PrefSizeR(SkEvent * evt,SkScalar width,SkScalar height)584 void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) {
585 SkASSERT(evt && PrefSizeQ(*evt));
586 SkScalar size[2];
587 size[0] = width;
588 size[1] = height;
589 evt->setScalars(gPrefSizeEvtName, 2, size);
590 }
591
FastTextQ(const SkEvent & evt)592 bool SampleCode::FastTextQ(const SkEvent& evt) {
593 return evt.isType(gFastTextEvtName, sizeof(gFastTextEvtName) - 1);
594 }
595
596 ///////////////////////////////////////////////////////////////////////////////
597
598 enum TilingMode {
599 kNo_Tiling,
600 kAbs_128x128_Tiling,
601 kAbs_256x256_Tiling,
602 kRel_4x4_Tiling,
603 kRel_1x16_Tiling,
604 kRel_16x1_Tiling,
605
606 kLast_TilingMode_Enum
607 };
608
609 struct TilingInfo {
610 const char* label;
611 SkScalar w, h;
612 };
613
614 static const struct TilingInfo gTilingInfo[] = {
615 { "No tiling", SK_Scalar1 , SK_Scalar1 }, // kNo_Tiling
616 { "128x128" , SkIntToScalar(128), SkIntToScalar(128) }, // kAbs_128x128_Tiling
617 { "256x256" , SkIntToScalar(256), SkIntToScalar(256) }, // kAbs_256x256_Tiling
618 { "1/4x1/4" , SK_Scalar1 / 4 , SK_Scalar1 / 4 }, // kRel_4x4_Tiling
619 { "1/1x1/16" , SK_Scalar1 , SK_Scalar1 / 16 }, // kRel_1x16_Tiling
620 { "1/16x1/1" , SK_Scalar1 / 16 , SK_Scalar1 }, // kRel_16x1_Tiling
621 };
622 static_assert((SK_ARRAY_COUNT(gTilingInfo) == kLast_TilingMode_Enum),
623 "Incomplete_tiling_labels");
624
tileSize() const625 SkSize SampleWindow::tileSize() const {
626 SkASSERT((TilingMode)fTilingMode < kLast_TilingMode_Enum);
627 const struct TilingInfo* info = gTilingInfo + fTilingMode;
628 return SkSize::Make(info->w > SK_Scalar1 ? info->w : this->width() * info->w,
629 info->h > SK_Scalar1 ? info->h : this->height() * info->h);
630 }
631 //////////////////////////////////////////////////////////////////////////////
632
curr_view(SkWindow * wind)633 static SkView* curr_view(SkWindow* wind) {
634 SkView::F2BIter iter(wind);
635 return iter.next();
636 }
637
curr_title(SkWindow * wind,SkString * title)638 static bool curr_title(SkWindow* wind, SkString* title) {
639 SkView* view = curr_view(wind);
640 if (view) {
641 SkEvent evt(gTitleEvtName);
642 if (view->doQuery(&evt)) {
643 title->set(evt.findString(gTitleEvtName));
644 return true;
645 }
646 }
647 return false;
648 }
649
sendAnimatePulse()650 bool SampleWindow::sendAnimatePulse() {
651 SkView* view = curr_view(this);
652 if (SampleView::IsSampleView(view)) {
653 return ((SampleView*)view)->animate(gAnimTimer);
654 }
655 return false;
656 }
657
setZoomCenter(float x,float y)658 void SampleWindow::setZoomCenter(float x, float y) {
659 fZoomCenterX = x;
660 fZoomCenterY = y;
661 }
662
zoomIn()663 bool SampleWindow::zoomIn() {
664 // Arbitrarily decided
665 if (fFatBitsScale == kMaxFatBitsScale) return false;
666 fFatBitsScale++;
667 this->inval(nullptr);
668 return true;
669 }
670
zoomOut()671 bool SampleWindow::zoomOut() {
672 if (fFatBitsScale == 1) return false;
673 fFatBitsScale--;
674 this->inval(nullptr);
675 return true;
676 }
677
updatePointer(int x,int y)678 void SampleWindow::updatePointer(int x, int y) {
679 fMouseX = x;
680 fMouseY = y;
681 if (fShowZoomer) {
682 this->inval(nullptr);
683 }
684 }
685
cycle_devicetype(SampleWindow::DeviceType ct)686 static inline SampleWindow::DeviceType cycle_devicetype(SampleWindow::DeviceType ct) {
687 static const SampleWindow::DeviceType gCT[] = {
688 SampleWindow::kRaster_DeviceType
689 #if SK_SUPPORT_GPU
690 , SampleWindow::kGPU_DeviceType
691 #if SK_ANGLE
692 , SampleWindow::kANGLE_DeviceType
693 #endif // SK_ANGLE
694 #if SK_COMMAND_BUFFER
695 , SampleWindow::kCommandBufferES2_DeviceType
696 #endif // SK_COMMAND_BUFFER
697 #endif // SK_SUPPORT_GPU
698 };
699 static_assert(SK_ARRAY_COUNT(gCT) == SampleWindow::kDeviceTypeCnt, "array_size_mismatch");
700 return gCT[ct];
701 }
702
getSampleTitle(const SkViewFactory * sampleFactory)703 static SkString getSampleTitle(const SkViewFactory* sampleFactory) {
704 SkView* view = (*sampleFactory)();
705 SkString title;
706 SampleCode::RequestTitle(view, &title);
707 view->unref();
708 return title;
709 }
710
compareSampleTitle(const SkViewFactory * first,const SkViewFactory * second)711 static bool compareSampleTitle(const SkViewFactory* first, const SkViewFactory* second) {
712 return strcmp(getSampleTitle(first).c_str(), getSampleTitle(second).c_str()) < 0;
713 }
714
find_by_title(const SkViewFactory * const * factories,int count,const char title[])715 static int find_by_title(const SkViewFactory* const* factories, int count, const char title[]) {
716 for (int i = 0; i < count; i++) {
717 if (getSampleTitle(factories[i]).equals(title)) {
718 return i;
719 }
720 }
721 return -1;
722 }
723
restrict_samples(SkTDArray<const SkViewFactory * > & factories,const SkString titles[],int count)724 static void restrict_samples(SkTDArray<const SkViewFactory*>& factories, const SkString titles[],
725 int count) {
726 int newCount = 0;
727 for (int i = 0; i < count; ++i) {
728 int index = find_by_title(factories.begin(), factories.count(), titles[i].c_str());
729 if (index >= 0) {
730 SkTSwap(factories.begin()[newCount], factories.begin()[index]);
731 newCount += 1;
732 }
733 }
734 if (newCount) {
735 factories.setCount(newCount);
736 }
737 }
738
739 DEFINE_string(slide, "", "Start on this sample.");
740 DEFINE_int32(msaa, 0, "Request multisampling with this count.");
741 DEFINE_string(pictureDir, "", "Read pictures from here.");
742 DEFINE_string(picture, "", "Path to single picture.");
743 DEFINE_string(sequence, "", "Path to file containing the desired samples/gms to show.");
744 DEFINE_bool(sort, false, "Sort samples by title.");
745 DEFINE_bool(list, false, "List samples?");
746 DEFINE_bool(gpu, false, "Start up with gpu?");
747 DEFINE_bool(redraw, false, "Force continuous redrawing, for profiling or debugging tools.");
748 DEFINE_string(key, "", ""); // dummy to enable gm tests that have platform-specific names
749 #ifdef SAMPLE_PDF_FILE_VIEWER
750 DEFINE_string(pdfPath, "", "Path to direcotry of pdf files.");
751 #endif
752
753 #include "SkTaskGroup.h"
754
SampleWindow(void * hwnd,int argc,char ** argv,DeviceManager * devManager)755 SampleWindow::SampleWindow(void* hwnd, int argc, char** argv, DeviceManager* devManager)
756 : INHERITED(hwnd)
757 , fDevManager(nullptr) {
758
759 SkCommandLineFlags::Parse(argc, argv);
760
761 fCurrIndex = -1;
762
763 if (!FLAGS_pictureDir.isEmpty()) {
764 SkOSFile::Iter iter(FLAGS_pictureDir[0], "skp");
765 SkString filename;
766 while (iter.next(&filename)) {
767 *fSamples.append() = new PictFileFactory(
768 SkOSPath::Join(FLAGS_pictureDir[0], filename.c_str()));
769 }
770 }
771 if (!FLAGS_picture.isEmpty()) {
772 SkString path(FLAGS_picture[0]);
773 fCurrIndex = fSamples.count();
774 *fSamples.append() = new PictFileFactory(path);
775 }
776 #ifdef SAMPLE_PDF_FILE_VIEWER
777 if (!FLAGS_pdfPath.isEmpty()) {
778 SkOSFile::Iter iter(FLAGS_pdfPath[0], "pdf");
779 SkString filename;
780 while (iter.next(&filename)) {
781 *fSamples.append() = new PdfFileViewerFactory(
782 SkOSPath::Join(FLAGS_pictureDir[0], filename.c_str()));
783 }
784 }
785 #endif
786 SkGMRegistyToSampleRegistry();
787 {
788 const SkViewRegister* reg = SkViewRegister::Head();
789 while (reg) {
790 *fSamples.append() = reg->factory();
791 reg = reg->next();
792 }
793 }
794
795 if (!FLAGS_sequence.isEmpty()) {
796 // The sequence file just contains a list (separated by CRs) of the samples or GM:gms
797 // you want to restrict to. Only these will appear when you cycle through.
798 // If none are found, or the file is empty, then it will be ignored, and all samples
799 // will be available.
800 SkFILEStream stream(FLAGS_sequence[0]);
801 if (stream.isValid()) {
802 size_t len = stream.getLength();
803 SkAutoTMalloc<char> storage(len + 1);
804 char* buffer = storage.get();
805 stream.read(buffer, len);
806 buffer[len] = 0;
807
808 SkTArray<SkString> titles;
809 SkStrSplit(buffer, "\n\r", &titles);
810 restrict_samples(fSamples, titles.begin(), titles.count());
811 }
812 }
813
814 if (FLAGS_sort) {
815 // Sort samples, so foo.skp and foo.pdf are consecutive and we can quickly spot where
816 // skp -> pdf -> png fails.
817 SkTQSort(fSamples.begin(), fSamples.end() ? fSamples.end() - 1 : nullptr, compareSampleTitle);
818 }
819
820 if (!FLAGS_slide.isEmpty()) {
821 fCurrIndex = findByTitle(FLAGS_slide[0]);
822 if (fCurrIndex < 0) {
823 fprintf(stderr, "Unknown sample \"%s\"\n", FLAGS_slide[0]);
824 listTitles();
825 }
826 }
827
828 fMSAASampleCount = FLAGS_msaa;
829
830 if (FLAGS_list) {
831 listTitles();
832 }
833
834 if (fCurrIndex < 0) {
835 SkString title;
836 if (readTitleFromPrefs(&title)) {
837 fCurrIndex = findByTitle(title.c_str());
838 }
839 }
840
841 if (fCurrIndex < 0) {
842 fCurrIndex = 0;
843 }
844
845 static SkTaskGroup::Enabler enabled(-1);
846 gSampleWindow = this;
847
848 fDeviceType = kRaster_DeviceType;
849 #if SK_SUPPORT_GPU
850 if (FLAGS_gpu) {
851 fDeviceType = kGPU_DeviceType;
852 }
853 #endif
854
855 #if DEFAULT_TO_GPU
856 fDeviceType = kGPU_DeviceType;
857 #endif
858 #if SK_ANGLE && DEFAULT_TO_ANGLE
859 fDeviceType = kANGLE_DeviceType;
860 #endif
861 #if SK_COMMAND_BUFFER && DEFAULT_TO_COMMAND_BUFFER
862 fDeviceType = kCommandBufferES2_DeviceType;
863 #endif
864
865 fUseClip = false;
866 fUsePicture = false;
867 fAnimating = false;
868 fRotate = false;
869 fPerspAnim = false;
870 fRequestGrabImage = false;
871 fTilingMode = kNo_Tiling;
872 fMeasureFPS = false;
873 fLCDState = SkOSMenu::kMixedState;
874 fAAState = SkOSMenu::kMixedState;
875 fSubpixelState = SkOSMenu::kMixedState;
876 fHintingState = 0;
877 fFilterQualityIndex = 0;
878 fFlipAxis = 0;
879 fScrollTestX = fScrollTestY = 0;
880
881 fMouseX = fMouseY = 0;
882 fFatBitsScale = 8;
883 fTypeface = SkTypeface::CreateFromTypeface(nullptr, SkTypeface::kBold);
884 fShowZoomer = false;
885
886 fZoomLevel = 0;
887 fZoomScale = SK_Scalar1;
888
889 fMagnify = false;
890
891 fSaveToPdf = false;
892 fSaveToSKP = false;
893
894 int sinkID = this->getSinkID();
895 fAppMenu = new SkOSMenu;
896 fAppMenu->setTitle("Global Settings");
897 int itemID;
898
899 itemID = fAppMenu->appendList("ColorType", "ColorType", sinkID, 0,
900 gConfig[0].fName, gConfig[1].fName, gConfig[2].fName, nullptr);
901 fAppMenu->assignKeyEquivalentToItem(itemID, 'C');
902
903 itemID = fAppMenu->appendList("Device Type", "Device Type", sinkID, 0,
904 "Raster",
905 "OpenGL",
906 #if SK_ANGLE
907 "ANGLE",
908 #endif
909 #if SK_COMMAND_BUFFER
910 "Command Buffer",
911 #endif
912 nullptr);
913 fAppMenu->assignKeyEquivalentToItem(itemID, 'd');
914 itemID = fAppMenu->appendTriState("AA", "AA", sinkID, fAAState);
915 fAppMenu->assignKeyEquivalentToItem(itemID, 'b');
916 itemID = fAppMenu->appendTriState("LCD", "LCD", sinkID, fLCDState);
917 fAppMenu->assignKeyEquivalentToItem(itemID, 'l');
918 itemID = fAppMenu->appendList("FilterQuality", "FilterQuality", sinkID, fFilterQualityIndex,
919 gFilterQualityStates[0].fName,
920 gFilterQualityStates[1].fName,
921 gFilterQualityStates[2].fName,
922 gFilterQualityStates[3].fName,
923 gFilterQualityStates[4].fName,
924 nullptr);
925 fAppMenu->assignKeyEquivalentToItem(itemID, 'n');
926 itemID = fAppMenu->appendTriState("Subpixel", "Subpixel", sinkID, fSubpixelState);
927 fAppMenu->assignKeyEquivalentToItem(itemID, 's');
928 itemID = fAppMenu->appendList("Hinting", "Hinting", sinkID, fHintingState,
929 gHintingStates[0].name,
930 gHintingStates[1].name,
931 gHintingStates[2].name,
932 gHintingStates[3].name,
933 gHintingStates[4].name,
934 nullptr);
935 fAppMenu->assignKeyEquivalentToItem(itemID, 'h');
936
937 itemID =fAppMenu->appendList("Tiling", "Tiling", sinkID, fTilingMode,
938 gTilingInfo[kNo_Tiling].label,
939 gTilingInfo[kAbs_128x128_Tiling].label,
940 gTilingInfo[kAbs_256x256_Tiling].label,
941 gTilingInfo[kRel_4x4_Tiling].label,
942 gTilingInfo[kRel_1x16_Tiling].label,
943 gTilingInfo[kRel_16x1_Tiling].label,
944 nullptr);
945 fAppMenu->assignKeyEquivalentToItem(itemID, 't');
946
947 itemID = fAppMenu->appendSwitch("Slide Show", "Slide Show" , sinkID, false);
948 fAppMenu->assignKeyEquivalentToItem(itemID, 'a');
949 itemID = fAppMenu->appendSwitch("Clip", "Clip" , sinkID, fUseClip);
950 fAppMenu->assignKeyEquivalentToItem(itemID, 'c');
951 itemID = fAppMenu->appendSwitch("Flip X", "Flip X" , sinkID, false);
952 fAppMenu->assignKeyEquivalentToItem(itemID, 'x');
953 itemID = fAppMenu->appendSwitch("Flip Y", "Flip Y" , sinkID, false);
954 fAppMenu->assignKeyEquivalentToItem(itemID, 'y');
955 itemID = fAppMenu->appendSwitch("Zoomer", "Zoomer" , sinkID, fShowZoomer);
956 fAppMenu->assignKeyEquivalentToItem(itemID, 'z');
957 itemID = fAppMenu->appendSwitch("Magnify", "Magnify" , sinkID, fMagnify);
958 fAppMenu->assignKeyEquivalentToItem(itemID, 'm');
959
960 itemID = fAppMenu->appendAction("Save to PDF", sinkID);
961 fAppMenu->assignKeyEquivalentToItem(itemID, 'e');
962
963 this->addMenu(fAppMenu);
964 fSlideMenu = new SkOSMenu;
965 this->addMenu(fSlideMenu);
966
967 this->setVisibleP(true);
968 this->setClipToBounds(false);
969
970 this->loadView((*fSamples[fCurrIndex])());
971
972 if (nullptr == devManager) {
973 fDevManager = new DefaultDeviceManager();
974 } else {
975 devManager->ref();
976 fDevManager = devManager;
977 }
978 fDevManager->setUpBackend(this, fMSAASampleCount);
979
980 // If another constructor set our dimensions, ensure that our
981 // onSizeChange gets called.
982 if (this->height() && this->width()) {
983 this->onSizeChange();
984 }
985
986 // can't call this synchronously, since it may require a subclass to
987 // to implement, or the caller may need us to have returned from the
988 // constructor first. Hence we post an event to ourselves.
989 // this->updateTitle();
990 post_event_to_sink(new SkEvent(gUpdateWindowTitleEvtName), this);
991
992 gAnimTimer.run();
993 }
994
~SampleWindow()995 SampleWindow::~SampleWindow() {
996 SkSafeUnref(fTypeface);
997 SkSafeUnref(fDevManager);
998 }
999
1000
findByTitle(const char title[])1001 int SampleWindow::findByTitle(const char title[]) {
1002 int i, count = fSamples.count();
1003 for (i = 0; i < count; i++) {
1004 if (getSampleTitle(i).equals(title)) {
1005 return i;
1006 }
1007 }
1008 return -1;
1009 }
1010
listTitles()1011 void SampleWindow::listTitles() {
1012 int count = fSamples.count();
1013 SkDebugf("All Slides:\n");
1014 for (int i = 0; i < count; i++) {
1015 SkDebugf(" %s\n", getSampleTitle(i).c_str());
1016 }
1017 }
1018
capture_bitmap(SkCanvas * canvas)1019 static SkBitmap capture_bitmap(SkCanvas* canvas) {
1020 SkBitmap bm;
1021 if (bm.tryAllocPixels(canvas->imageInfo())) {
1022 canvas->readPixels(&bm, 0, 0);
1023 }
1024 return bm;
1025 }
1026
drawText(SkCanvas * canvas,SkString str,SkScalar left,SkScalar top,SkPaint & paint)1027 static void drawText(SkCanvas* canvas, SkString str, SkScalar left, SkScalar top, SkPaint& paint) {
1028 SkColor desiredColor = paint.getColor();
1029 paint.setColor(SK_ColorWHITE);
1030 const char* c_str = str.c_str();
1031 size_t size = str.size();
1032 SkRect bounds;
1033 paint.measureText(c_str, size, &bounds);
1034 bounds.offset(left, top);
1035 SkScalar inset = SkIntToScalar(-2);
1036 bounds.inset(inset, inset);
1037 canvas->drawRect(bounds, paint);
1038 if (desiredColor != SK_ColorBLACK) {
1039 paint.setColor(SK_ColorBLACK);
1040 canvas->drawText(c_str, size, left + SK_Scalar1, top + SK_Scalar1, paint);
1041 }
1042 paint.setColor(desiredColor);
1043 canvas->drawText(c_str, size, left, top, paint);
1044 }
1045
1046 #define XCLIP_N 8
1047 #define YCLIP_N 8
1048
draw(SkCanvas * canvas)1049 void SampleWindow::draw(SkCanvas* canvas) {
1050 gAnimTimer.updateTime();
1051
1052 if (fGesture.isActive()) {
1053 this->updateMatrix();
1054 }
1055
1056 if (fMeasureFPS) {
1057 fMeasureFPS_Time = 0;
1058 }
1059
1060 SkSize tile = this->tileSize();
1061
1062 if (kNo_Tiling == fTilingMode) {
1063 this->INHERITED::draw(canvas); // no looping or surfaces needed
1064 } else {
1065 const int w = SkScalarRoundToInt(tile.width());
1066 const int h = SkScalarRoundToInt(tile.height());
1067 SkImageInfo info = SkImageInfo::MakeN32Premul(w, h);
1068 SkAutoTUnref<SkSurface> surface(canvas->newSurface(info));
1069 SkCanvas* tileCanvas = surface->getCanvas();
1070
1071 for (SkScalar y = 0; y < height(); y += tile.height()) {
1072 for (SkScalar x = 0; x < width(); x += tile.width()) {
1073 SkAutoCanvasRestore acr(tileCanvas, true);
1074 tileCanvas->translate(-x, -y);
1075 tileCanvas->clear(0);
1076 this->INHERITED::draw(tileCanvas);
1077 surface->draw(canvas, x, y, nullptr);
1078 }
1079 }
1080
1081 // for drawing the borders between tiles
1082 SkPaint paint;
1083 paint.setColor(0x60FF00FF);
1084 paint.setStyle(SkPaint::kStroke_Style);
1085
1086 for (SkScalar y = 0; y < height(); y += tile.height()) {
1087 for (SkScalar x = 0; x < width(); x += tile.width()) {
1088 canvas->drawRect(SkRect::MakeXYWH(x, y, tile.width(), tile.height()), paint);
1089 }
1090 }
1091 }
1092
1093 if (fShowZoomer && !fSaveToPdf) {
1094 showZoomer(canvas);
1095 }
1096 if (fMagnify && !fSaveToPdf) {
1097 magnify(canvas);
1098 }
1099
1100 if (fMeasureFPS && fMeasureFPS_Time) {
1101 this->updateTitle();
1102 this->postInvalDelay();
1103 }
1104
1105 if (this->sendAnimatePulse() || FLAGS_redraw) {
1106 this->inval(nullptr);
1107 }
1108
1109 // do this last
1110 fDevManager->publishCanvas(fDeviceType, canvas, this);
1111 }
1112
1113 static float clipW = 200;
1114 static float clipH = 200;
magnify(SkCanvas * canvas)1115 void SampleWindow::magnify(SkCanvas* canvas) {
1116 SkRect r;
1117 int count = canvas->save();
1118
1119 SkMatrix m = canvas->getTotalMatrix();
1120 if (!m.invert(&m)) {
1121 return;
1122 }
1123 SkPoint offset, center;
1124 SkScalar mouseX = fMouseX * SK_Scalar1;
1125 SkScalar mouseY = fMouseY * SK_Scalar1;
1126 m.mapXY(mouseX - clipW/2, mouseY - clipH/2, &offset);
1127 m.mapXY(mouseX, mouseY, ¢er);
1128
1129 r.set(0, 0, clipW * m.getScaleX(), clipH * m.getScaleX());
1130 r.offset(offset.fX, offset.fY);
1131
1132 SkPaint paint;
1133 paint.setColor(0xFF66AAEE);
1134 paint.setStyle(SkPaint::kStroke_Style);
1135 paint.setStrokeWidth(10.f * m.getScaleX());
1136 //lense offset
1137 //canvas->translate(0, -250);
1138 canvas->drawRect(r, paint);
1139 canvas->clipRect(r);
1140
1141 m = canvas->getTotalMatrix();
1142 m.setTranslate(-center.fX, -center.fY);
1143 m.postScale(0.5f * fFatBitsScale, 0.5f * fFatBitsScale);
1144 m.postTranslate(center.fX, center.fY);
1145 canvas->concat(m);
1146
1147 this->INHERITED::draw(canvas);
1148
1149 canvas->restoreToCount(count);
1150 }
1151
set_color_ref(SkPaint & paint,SkColor c)1152 static SkPaint& set_color_ref(SkPaint& paint, SkColor c) {
1153 paint.setColor(c);
1154 return paint;
1155 }
1156
show_lcd_box(SkCanvas * canvas,SkScalar x,SkScalar y,SkColor c,SkScalar sx,SkScalar sy)1157 static void show_lcd_box(SkCanvas* canvas, SkScalar x, SkScalar y, SkColor c,
1158 SkScalar sx, SkScalar sy) {
1159 const SkScalar w = (1 - 1/sx) / 3;
1160 SkPaint paint;
1161 SkRect r = SkRect::MakeXYWH(x, y, w, 1 - 1/sy);
1162 canvas->drawRect(r, set_color_ref(paint, SkColorSetRGB(SkColorGetR(c), 0, 0)));
1163 r.offset(w, 0);
1164 canvas->drawRect(r, set_color_ref(paint, SkColorSetRGB(0, SkColorGetG(c), 0)));
1165 r.offset(w, 0);
1166 canvas->drawRect(r, set_color_ref(paint, SkColorSetRGB(0, 0, SkColorGetB(c))));
1167 }
1168
show_lcd_circle(SkCanvas * canvas,SkScalar x,SkScalar y,SkColor c,SkScalar,SkScalar)1169 static void show_lcd_circle(SkCanvas* canvas, SkScalar x, SkScalar y, SkColor c,
1170 SkScalar, SkScalar) {
1171 const SkRect r = SkRect::MakeXYWH(x, y, 1, 1);
1172 const SkScalar cx = x + 0.5f;
1173 const SkScalar cy = y + 0.5f;
1174
1175 SkPaint paint;
1176 paint.setAntiAlias(true);
1177
1178 SkPath path;
1179 path.addArc(r, 0, 120); path.lineTo(cx, cy);
1180 canvas->drawPath(path, set_color_ref(paint, SkColorSetRGB(SkColorGetR(c), 0, 0)));
1181
1182 path.reset(); path.addArc(r, 120, 120); path.lineTo(cx, cy);
1183 canvas->drawPath(path, set_color_ref(paint, SkColorSetRGB(0, SkColorGetG(c), 0)));
1184
1185 path.reset(); path.addArc(r, 240, 120); path.lineTo(cx, cy);
1186 canvas->drawPath(path, set_color_ref(paint, SkColorSetRGB(0, 0, SkColorGetB(c))));
1187 }
1188
1189 typedef void (*ShowLCDProc)(SkCanvas*, SkScalar, SkScalar, SkColor, SkScalar, SkScalar);
1190
1191 /*
1192 * Like drawBitmapRect but we manually draw each pixels in RGB
1193 */
show_lcd_grid(SkCanvas * canvas,const SkBitmap & bitmap,const SkIRect & origSrc,const SkRect & dst,ShowLCDProc proc)1194 static void show_lcd_grid(SkCanvas* canvas, const SkBitmap& bitmap,
1195 const SkIRect& origSrc, const SkRect& dst, ShowLCDProc proc) {
1196 SkIRect src;
1197 if (!src.intersect(origSrc, bitmap.bounds())) {
1198 return;
1199 }
1200 const SkScalar sx = dst.width() / src.width();
1201 const SkScalar sy = dst.height() / src.height();
1202
1203 SkAutoCanvasRestore acr(canvas, true);
1204 canvas->translate(dst.left(), dst.top());
1205 canvas->scale(sx, sy);
1206
1207 for (int y = 0; y < src.height(); ++y) {
1208 for (int x = 0; x < src.width(); ++x) {
1209 proc(canvas, SkIntToScalar(x), SkIntToScalar(y),
1210 bitmap.getColor(src.left() + x, src.top() + y), sx, sy);
1211 }
1212 }
1213 }
1214
showZoomer(SkCanvas * canvas)1215 void SampleWindow::showZoomer(SkCanvas* canvas) {
1216 int count = canvas->save();
1217 canvas->resetMatrix();
1218 // Ensure the mouse position is on screen.
1219 int width = SkScalarRoundToInt(this->width());
1220 int height = SkScalarRoundToInt(this->height());
1221 if (fMouseX >= width) fMouseX = width - 1;
1222 else if (fMouseX < 0) fMouseX = 0;
1223 if (fMouseY >= height) fMouseY = height - 1;
1224 else if (fMouseY < 0) fMouseY = 0;
1225
1226 SkBitmap bitmap = capture_bitmap(canvas);
1227 bitmap.lockPixels();
1228
1229 // Find the size of the zoomed in view, forced to be odd, so the examined pixel is in the middle.
1230 int zoomedWidth = (width >> 1) | 1;
1231 int zoomedHeight = (height >> 1) | 1;
1232 SkIRect src;
1233 src.set(0, 0, zoomedWidth / fFatBitsScale, zoomedHeight / fFatBitsScale);
1234 src.offset(fMouseX - (src.width()>>1), fMouseY - (src.height()>>1));
1235 SkRect dest;
1236 dest.set(0, 0, SkIntToScalar(zoomedWidth), SkIntToScalar(zoomedHeight));
1237 dest.offset(SkIntToScalar(width - zoomedWidth), SkIntToScalar(height - zoomedHeight));
1238 SkPaint paint;
1239 // Clear the background behind our zoomed in view
1240 paint.setColor(SK_ColorWHITE);
1241 canvas->drawRect(dest, paint);
1242 switch (fFatBitsScale) {
1243 case kMaxFatBitsScale:
1244 show_lcd_grid(canvas, bitmap, src, dest, show_lcd_box);
1245 break;
1246 case kMaxFatBitsScale - 1:
1247 show_lcd_grid(canvas, bitmap, src, dest, show_lcd_circle);
1248 break;
1249 default:
1250 canvas->drawBitmapRect(bitmap, src, dest, nullptr);
1251 break;
1252 }
1253
1254 paint.setColor(SK_ColorBLACK);
1255 paint.setStyle(SkPaint::kStroke_Style);
1256 // Draw a border around the pixel in the middle
1257 SkRect originalPixel;
1258 originalPixel.set(SkIntToScalar(fMouseX), SkIntToScalar(fMouseY), SkIntToScalar(fMouseX + 1), SkIntToScalar(fMouseY + 1));
1259 SkMatrix matrix;
1260 SkRect scalarSrc;
1261 scalarSrc.set(src);
1262 SkColor color = bitmap.getColor(fMouseX, fMouseY);
1263 if (matrix.setRectToRect(scalarSrc, dest, SkMatrix::kFill_ScaleToFit)) {
1264 SkRect pixel;
1265 matrix.mapRect(&pixel, originalPixel);
1266 // TODO Perhaps measure the values and make the outline white if it's "dark"
1267 if (color == SK_ColorBLACK) {
1268 paint.setColor(SK_ColorWHITE);
1269 }
1270 canvas->drawRect(pixel, paint);
1271 }
1272 paint.setColor(SK_ColorBLACK);
1273 // Draw a border around the destination rectangle
1274 canvas->drawRect(dest, paint);
1275 paint.setStyle(SkPaint::kStrokeAndFill_Style);
1276 // Identify the pixel and its color on screen
1277 paint.setTypeface(fTypeface);
1278 paint.setAntiAlias(true);
1279 SkScalar lineHeight = paint.getFontMetrics(nullptr);
1280 SkString string;
1281 string.appendf("(%i, %i)", fMouseX, fMouseY);
1282 SkScalar left = dest.fLeft + SkIntToScalar(3);
1283 SkScalar i = SK_Scalar1;
1284 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
1285 // Alpha
1286 i += SK_Scalar1;
1287 string.reset();
1288 string.appendf("A: %X", SkColorGetA(color));
1289 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
1290 // Red
1291 i += SK_Scalar1;
1292 string.reset();
1293 string.appendf("R: %X", SkColorGetR(color));
1294 paint.setColor(SK_ColorRED);
1295 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
1296 // Green
1297 i += SK_Scalar1;
1298 string.reset();
1299 string.appendf("G: %X", SkColorGetG(color));
1300 paint.setColor(SK_ColorGREEN);
1301 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
1302 // Blue
1303 i += SK_Scalar1;
1304 string.reset();
1305 string.appendf("B: %X", SkColorGetB(color));
1306 paint.setColor(SK_ColorBLUE);
1307 drawText(canvas, string, left, SkScalarMulAdd(lineHeight, i, dest.fTop), paint);
1308 canvas->restoreToCount(count);
1309 }
1310
onDraw(SkCanvas * canvas)1311 void SampleWindow::onDraw(SkCanvas* canvas) {
1312 }
1313
1314 #include "SkColorPriv.h"
1315
saveToPdf()1316 void SampleWindow::saveToPdf()
1317 {
1318 #if SK_SUPPORT_PDF
1319 fSaveToPdf = true;
1320 this->inval(nullptr);
1321 #endif // SK_SUPPORT_PDF
1322 }
1323
beforeChildren(SkCanvas * canvas)1324 SkCanvas* SampleWindow::beforeChildren(SkCanvas* canvas) {
1325 if (fSaveToPdf) {
1326 SkString name;
1327 if (!this->getRawTitle(&name)) {
1328 name.set("unknown_sample");
1329 }
1330 name.append(".pdf");
1331 #ifdef SK_BUILD_FOR_ANDROID
1332 name.prepend("/sdcard/");
1333 #endif
1334 fPDFDocument.reset(SkDocument::CreatePDF(name.c_str()));
1335 canvas = fPDFDocument->beginPage(this->width(), this->height());
1336 } else if (fSaveToSKP) {
1337 canvas = fRecorder.beginRecording(9999, 9999, nullptr, 0);
1338 } else if (fUsePicture) {
1339 canvas = fRecorder.beginRecording(9999, 9999, nullptr, 0);
1340 } else {
1341 canvas = this->INHERITED::beforeChildren(canvas);
1342 }
1343
1344 if (fUseClip) {
1345 canvas->drawColor(0xFFFF88FF);
1346 canvas->clipPath(fClipPath, SkRegion::kIntersect_Op, true);
1347 }
1348
1349 // Install a flags filter proxy canvas if needed
1350 if (fLCDState != SkOSMenu::kMixedState ||
1351 fAAState != SkOSMenu::kMixedState ||
1352 fSubpixelState != SkOSMenu::kMixedState ||
1353 fHintingState > 0 ||
1354 fFilterQualityIndex > 0) {
1355 canvas = new FlagsFilterCanvas(canvas, fLCDState, fAAState, fSubpixelState, fHintingState,
1356 fFilterQualityIndex);
1357 fFlagsFilterCanvas.reset(canvas);
1358 }
1359
1360 return canvas;
1361 }
1362 #include "SkMultiPictureDraw.h"
afterChildren(SkCanvas * orig)1363 void SampleWindow::afterChildren(SkCanvas* orig) {
1364 fFlagsFilterCanvas.reset(nullptr);
1365
1366 if (fSaveToPdf) {
1367 fSaveToPdf = false;
1368 fPDFDocument->endPage();
1369 fPDFDocument.reset(nullptr);
1370 // We took over the draw calls in order to create the PDF, so we need
1371 // to redraw.
1372 this->inval(nullptr);
1373 return;
1374 }
1375
1376 if (fRequestGrabImage) {
1377 fRequestGrabImage = false;
1378
1379 SkBitmap bmp = capture_bitmap(orig);
1380 if (!bmp.isNull()) {
1381 static int gSampleGrabCounter;
1382 SkString name;
1383 name.printf("sample_grab_%d.png", gSampleGrabCounter++);
1384 SkImageEncoder::EncodeFile(name.c_str(), bmp,
1385 SkImageEncoder::kPNG_Type, 100);
1386 }
1387 this->inval(nullptr);
1388 return;
1389 }
1390
1391 if (fSaveToSKP) {
1392 SkAutoTUnref<const SkPicture> picture(fRecorder.endRecording());
1393 SkFILEWStream stream("sample_app.skp");
1394 picture->serialize(&stream);
1395 fSaveToSKP = false;
1396 this->inval(nullptr);
1397 return;
1398 }
1399
1400 if (fUsePicture) {
1401 SkAutoTUnref<const SkPicture> picture(fRecorder.endRecording());
1402
1403 // serialize/deserialize?
1404 if (false) {
1405 SkDynamicMemoryWStream wstream;
1406 picture->serialize(&wstream);
1407
1408 SkAutoTDelete<SkStream> rstream(wstream.detachAsStream());
1409 picture.reset(SkPicture::CreateFromStream(rstream));
1410 }
1411 orig->drawPicture(picture);
1412 }
1413
1414 // Do this after presentGL and other finishing, rather than in afterChild
1415 if (fMeasureFPS) {
1416 orig->flush();
1417 fTimer.end();
1418 fMeasureFPS_Time += fTimer.fWall;
1419 }
1420 }
1421
beforeChild(SkView * child,SkCanvas * canvas)1422 void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) {
1423 if (fRotate) {
1424 SkScalar cx = this->width() / 2;
1425 SkScalar cy = this->height() / 2;
1426 canvas->translate(cx, cy);
1427 canvas->rotate(gAnimTimer.scaled(10));
1428 canvas->translate(-cx, -cy);
1429 }
1430
1431 if (fPerspAnim) {
1432 SkScalar secs = gAnimTimer.scaled(1);
1433
1434 static const SkScalar gAnimPeriod = 10 * SK_Scalar1;
1435 static const SkScalar gAnimMag = SK_Scalar1 / 1000;
1436 SkScalar t = SkScalarMod(secs, gAnimPeriod);
1437 if (SkScalarFloorToInt(secs / gAnimPeriod) & 0x1) {
1438 t = gAnimPeriod - t;
1439 }
1440 t = 2 * t - gAnimPeriod;
1441 t *= gAnimMag / gAnimPeriod;
1442 SkMatrix m;
1443 m.reset();
1444 #if 1
1445 m.setPerspY(t);
1446 #else
1447 m.setPerspY(SK_Scalar1 / 1000);
1448 m.setSkewX(8.0f / 25);
1449 m.dump();
1450 #endif
1451 canvas->concat(m);
1452 }
1453
1454 if (fMeasureFPS) {
1455 (void)SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT);
1456 fTimer.start();
1457 } else {
1458 (void)SampleView::SetRepeatDraw(child, 1);
1459 }
1460 if (fPerspAnim || fRotate) {
1461 this->inval(nullptr);
1462 }
1463 }
1464
changeZoomLevel(float delta)1465 void SampleWindow::changeZoomLevel(float delta) {
1466 fZoomLevel += delta;
1467 if (fZoomLevel > 0) {
1468 fZoomLevel = SkMinScalar(fZoomLevel, MAX_ZOOM_LEVEL);
1469 fZoomScale = fZoomLevel + SK_Scalar1;
1470 } else if (fZoomLevel < 0) {
1471 fZoomLevel = SkMaxScalar(fZoomLevel, MIN_ZOOM_LEVEL);
1472 fZoomScale = SK_Scalar1 / (SK_Scalar1 - fZoomLevel);
1473 } else {
1474 fZoomScale = SK_Scalar1;
1475 }
1476 this->updateMatrix();
1477 }
1478
updateMatrix()1479 void SampleWindow::updateMatrix(){
1480 SkMatrix m;
1481 m.reset();
1482 if (fZoomLevel) {
1483 SkPoint center;
1484 //m = this->getLocalMatrix();//.invert(&m);
1485 m.mapXY(fZoomCenterX, fZoomCenterY, ¢er);
1486 SkScalar cx = center.fX;
1487 SkScalar cy = center.fY;
1488
1489 m.setTranslate(-cx, -cy);
1490 m.postScale(fZoomScale, fZoomScale);
1491 m.postTranslate(cx, cy);
1492 }
1493
1494 if (fFlipAxis) {
1495 m.preTranslate(fZoomCenterX, fZoomCenterY);
1496 if (fFlipAxis & kFlipAxis_X) {
1497 m.preScale(-SK_Scalar1, SK_Scalar1);
1498 }
1499 if (fFlipAxis & kFlipAxis_Y) {
1500 m.preScale(SK_Scalar1, -SK_Scalar1);
1501 }
1502 m.preTranslate(-fZoomCenterX, -fZoomCenterY);
1503 //canvas->concat(m);
1504 }
1505 // Apply any gesture matrix
1506 m.preConcat(fGesture.localM());
1507 m.preConcat(fGesture.globalM());
1508
1509 this->setLocalMatrix(m);
1510
1511 this->updateTitle();
1512 this->inval(nullptr);
1513 }
previousSample()1514 bool SampleWindow::previousSample() {
1515 fCurrIndex = (fCurrIndex - 1 + fSamples.count()) % fSamples.count();
1516 this->loadView((*fSamples[fCurrIndex])());
1517 return true;
1518 }
1519
1520 #include "SkResourceCache.h"
1521 #include "SkGlyphCache.h"
nextSample()1522 bool SampleWindow::nextSample() {
1523 fCurrIndex = (fCurrIndex + 1) % fSamples.count();
1524 this->loadView((*fSamples[fCurrIndex])());
1525
1526 if (false) {
1527 SkResourceCache::TestDumpMemoryStatistics();
1528 SkGlyphCache::Dump();
1529 SkDebugf("\n");
1530 }
1531
1532 return true;
1533 }
1534
goToSample(int i)1535 bool SampleWindow::goToSample(int i) {
1536 fCurrIndex = (i) % fSamples.count();
1537 this->loadView((*fSamples[fCurrIndex])());
1538 return true;
1539 }
1540
getSampleTitle(int i)1541 SkString SampleWindow::getSampleTitle(int i) {
1542 return ::getSampleTitle(fSamples[i]);
1543 }
1544
sampleCount()1545 int SampleWindow::sampleCount() {
1546 return fSamples.count();
1547 }
1548
showOverview()1549 void SampleWindow::showOverview() {
1550 this->loadView(create_overview(fSamples.count(), fSamples.begin()));
1551 }
1552
postAnimatingEvent()1553 void SampleWindow::postAnimatingEvent() {
1554 if (fAnimating) {
1555 (new SkEvent(ANIMATING_EVENTTYPE, this->getSinkID()))->postDelay(ANIMATING_DELAY);
1556 }
1557 }
1558
onEvent(const SkEvent & evt)1559 bool SampleWindow::onEvent(const SkEvent& evt) {
1560 if (evt.isType(gUpdateWindowTitleEvtName)) {
1561 this->updateTitle();
1562 return true;
1563 }
1564 if (evt.isType(ANIMATING_EVENTTYPE)) {
1565 if (fAnimating) {
1566 this->nextSample();
1567 this->postAnimatingEvent();
1568 }
1569 return true;
1570 }
1571 if (evt.isType("set-curr-index")) {
1572 this->goToSample(evt.getFast32());
1573 return true;
1574 }
1575 if (isInvalEvent(evt)) {
1576 this->inval(nullptr);
1577 return true;
1578 }
1579 int selected = -1;
1580 if (SkOSMenu::FindListIndex(evt, "Device Type", &selected)) {
1581 this->setDeviceType((DeviceType)selected);
1582 return true;
1583 }
1584 if (SkOSMenu::FindListIndex(evt, "ColorType", &selected)) {
1585 this->setDeviceColorType(gConfig[selected].fColorType, gConfig[selected].fProfileType);
1586 return true;
1587 }
1588 if (SkOSMenu::FindSwitchState(evt, "Slide Show", nullptr)) {
1589 this->toggleSlideshow();
1590 return true;
1591 }
1592 if (SkOSMenu::FindTriState(evt, "AA", &fAAState) ||
1593 SkOSMenu::FindTriState(evt, "LCD", &fLCDState) ||
1594 SkOSMenu::FindListIndex(evt, "FilterQuality", &fFilterQualityIndex) ||
1595 SkOSMenu::FindTriState(evt, "Subpixel", &fSubpixelState) ||
1596 SkOSMenu::FindListIndex(evt, "Hinting", &fHintingState) ||
1597 SkOSMenu::FindSwitchState(evt, "Clip", &fUseClip) ||
1598 SkOSMenu::FindSwitchState(evt, "Zoomer", &fShowZoomer) ||
1599 SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify))
1600 {
1601 this->inval(nullptr);
1602 this->updateTitle();
1603 return true;
1604 }
1605 if (SkOSMenu::FindListIndex(evt, "Tiling", &fTilingMode)) {
1606 if (SampleView::IsSampleView(curr_view(this))) {
1607 ((SampleView*)curr_view(this))->onTileSizeChanged(this->tileSize());
1608 }
1609 this->inval(nullptr);
1610 this->updateTitle();
1611 return true;
1612 }
1613 if (SkOSMenu::FindSwitchState(evt, "Flip X", nullptr)) {
1614 fFlipAxis ^= kFlipAxis_X;
1615 this->updateMatrix();
1616 return true;
1617 }
1618 if (SkOSMenu::FindSwitchState(evt, "Flip Y", nullptr)) {
1619 fFlipAxis ^= kFlipAxis_Y;
1620 this->updateMatrix();
1621 return true;
1622 }
1623 if (SkOSMenu::FindAction(evt,"Save to PDF")) {
1624 this->saveToPdf();
1625 return true;
1626 }
1627 return this->INHERITED::onEvent(evt);
1628 }
1629
onQuery(SkEvent * query)1630 bool SampleWindow::onQuery(SkEvent* query) {
1631 if (query->isType("get-slide-count")) {
1632 query->setFast32(fSamples.count());
1633 return true;
1634 }
1635 if (query->isType("get-slide-title")) {
1636 SkView* view = (*fSamples[query->getFast32()])();
1637 SkEvent evt(gTitleEvtName);
1638 if (view->doQuery(&evt)) {
1639 query->setString("title", evt.findString(gTitleEvtName));
1640 }
1641 SkSafeUnref(view);
1642 return true;
1643 }
1644 if (query->isType("use-fast-text")) {
1645 SkEvent evt(gFastTextEvtName);
1646 return curr_view(this)->doQuery(&evt);
1647 }
1648 if (query->isType("ignore-window-bitmap")) {
1649 query->setFast32(this->getGrContext() != nullptr);
1650 return true;
1651 }
1652 return this->INHERITED::onQuery(query);
1653 }
1654
1655 DECLARE_bool(portableFonts);
1656
onHandleChar(SkUnichar uni)1657 bool SampleWindow::onHandleChar(SkUnichar uni) {
1658 {
1659 SkView* view = curr_view(this);
1660 if (view) {
1661 SkEvent evt(gCharEvtName);
1662 evt.setFast32(uni);
1663 if (view->doQuery(&evt)) {
1664 return true;
1665 }
1666 }
1667 }
1668
1669 int dx = 0xFF;
1670 int dy = 0xFF;
1671
1672 switch (uni) {
1673 case '5': dx = 0; dy = 0; break;
1674 case '8': dx = 0; dy = -1; break;
1675 case '6': dx = 1; dy = 0; break;
1676 case '2': dx = 0; dy = 1; break;
1677 case '4': dx = -1; dy = 0; break;
1678 case '7': dx = -1; dy = -1; break;
1679 case '9': dx = 1; dy = -1; break;
1680 case '3': dx = 1; dy = 1; break;
1681 case '1': dx = -1; dy = 1; break;
1682
1683 default:
1684 break;
1685 }
1686
1687 if (0xFF != dx && 0xFF != dy) {
1688 if ((dx | dy) == 0) {
1689 fScrollTestX = fScrollTestY = 0;
1690 } else {
1691 fScrollTestX += dx;
1692 fScrollTestY += dy;
1693 }
1694 this->inval(nullptr);
1695 return true;
1696 }
1697
1698 switch (uni) {
1699 case 27: // ESC
1700 gAnimTimer.stop();
1701 if (this->sendAnimatePulse()) {
1702 this->inval(nullptr);
1703 }
1704 break;
1705 case ' ':
1706 gAnimTimer.togglePauseResume();
1707 if (this->sendAnimatePulse()) {
1708 this->inval(nullptr);
1709 }
1710 break;
1711 case 'B':
1712 post_event_to_sink(new SkEvent("PictFileView::toggleBBox"), curr_view(this));
1713 // Cannot call updateTitle() synchronously, because the toggleBBox event is still in
1714 // the queue.
1715 post_event_to_sink(new SkEvent(gUpdateWindowTitleEvtName), this);
1716 this->inval(nullptr);
1717 break;
1718 case 'D':
1719 toggleDistanceFieldFonts();
1720 break;
1721 case 'f':
1722 // only
1723 toggleFPS();
1724 break;
1725 case 'F':
1726 FLAGS_portableFonts ^= true;
1727 this->inval(nullptr);
1728 break;
1729 case 'g':
1730 fRequestGrabImage = true;
1731 this->inval(nullptr);
1732 break;
1733 case 'G':
1734 gShowGMBounds = !gShowGMBounds;
1735 post_event_to_sink(GMSampleView::NewShowSizeEvt(gShowGMBounds),
1736 curr_view(this));
1737 this->inval(nullptr);
1738 break;
1739 case 'i':
1740 this->zoomIn();
1741 break;
1742 case 'o':
1743 this->zoomOut();
1744 break;
1745 case 'r':
1746 fRotate = !fRotate;
1747 this->inval(nullptr);
1748 this->updateTitle();
1749 return true;
1750 case 'k':
1751 fPerspAnim = !fPerspAnim;
1752 this->inval(nullptr);
1753 this->updateTitle();
1754 return true;
1755 case 'K':
1756 fSaveToSKP = true;
1757 this->inval(nullptr);
1758 return true;
1759 case 'M':
1760 fUsePicture = !fUsePicture;
1761 this->inval(nullptr);
1762 this->updateTitle();
1763 return true;
1764 #if SK_SUPPORT_GPU
1765 case 'p':
1766 {
1767 GrContext* grContext = this->getGrContext();
1768 if (grContext) {
1769 size_t cacheBytes;
1770 grContext->getResourceCacheUsage(nullptr, &cacheBytes);
1771 grContext->freeGpuResources();
1772 SkDebugf("Purged %d bytes from the GPU resource cache.\n", cacheBytes);
1773 }
1774 }
1775 return true;
1776 #endif
1777 default:
1778 break;
1779 }
1780
1781 if (fAppMenu->handleKeyEquivalent(uni)|| fSlideMenu->handleKeyEquivalent(uni)) {
1782 this->onUpdateMenu(fAppMenu);
1783 this->onUpdateMenu(fSlideMenu);
1784 return true;
1785 }
1786 return this->INHERITED::onHandleChar(uni);
1787 }
1788
setDeviceType(DeviceType type)1789 void SampleWindow::setDeviceType(DeviceType type) {
1790 if (type == fDeviceType)
1791 return;
1792
1793 fDevManager->tearDownBackend(this);
1794
1795 fDeviceType = type;
1796
1797 fDevManager->setUpBackend(this, fMSAASampleCount);
1798
1799 this->updateTitle();
1800 this->inval(nullptr);
1801 }
1802
setDeviceColorType(SkColorType ct,SkColorProfileType pt)1803 void SampleWindow::setDeviceColorType(SkColorType ct, SkColorProfileType pt) {
1804 this->setColorType(ct, pt);
1805
1806 fDevManager->tearDownBackend(this);
1807
1808 fDevManager->setUpBackend(this, fMSAASampleCount);
1809
1810 this->updateTitle();
1811 this->inval(nullptr);
1812 }
1813
toggleSlideshow()1814 void SampleWindow::toggleSlideshow() {
1815 fAnimating = !fAnimating;
1816 this->postAnimatingEvent();
1817 this->updateTitle();
1818 }
1819
toggleRendering()1820 void SampleWindow::toggleRendering() {
1821 this->setDeviceType(cycle_devicetype(fDeviceType));
1822 this->updateTitle();
1823 this->inval(nullptr);
1824 }
1825
toggleFPS()1826 void SampleWindow::toggleFPS() {
1827 fMeasureFPS = !fMeasureFPS;
1828 this->updateTitle();
1829 this->inval(nullptr);
1830 }
1831
toggleDistanceFieldFonts()1832 void SampleWindow::toggleDistanceFieldFonts() {
1833 // reset backend
1834 fDevManager->tearDownBackend(this);
1835 fDevManager->setUpBackend(this, fMSAASampleCount);
1836
1837 SkSurfaceProps props = this->getSurfaceProps();
1838 uint32_t flags = props.flags() ^ SkSurfaceProps::kUseDeviceIndependentFonts_Flag;
1839 this->setSurfaceProps(SkSurfaceProps(flags, props.pixelGeometry()));
1840
1841 this->updateTitle();
1842 this->inval(nullptr);
1843 }
1844
1845 #include "SkDumpCanvas.h"
1846
onHandleKey(SkKey key)1847 bool SampleWindow::onHandleKey(SkKey key) {
1848 {
1849 SkView* view = curr_view(this);
1850 if (view) {
1851 SkEvent evt(gKeyEvtName);
1852 evt.setFast32(key);
1853 if (view->doQuery(&evt)) {
1854 return true;
1855 }
1856 }
1857 }
1858 switch (key) {
1859 case kRight_SkKey:
1860 if (this->nextSample()) {
1861 return true;
1862 }
1863 break;
1864 case kLeft_SkKey:
1865 if (this->previousSample()) {
1866 return true;
1867 }
1868 return true;
1869 case kUp_SkKey:
1870 this->changeZoomLevel(1.f / 32.f);
1871 return true;
1872 case kDown_SkKey:
1873 this->changeZoomLevel(-1.f / 32.f);
1874 return true;
1875 case kOK_SkKey: {
1876 SkString title;
1877 if (curr_title(this, &title)) {
1878 writeTitleToPrefs(title.c_str());
1879 }
1880 return true;
1881 }
1882 case kBack_SkKey:
1883 this->showOverview();
1884 return true;
1885 default:
1886 break;
1887 }
1888 return this->INHERITED::onHandleKey(key);
1889 }
1890
1891 ///////////////////////////////////////////////////////////////////////////////
1892
1893 static const char gGestureClickType[] = "GestureClickType";
1894
onDispatchClick(int x,int y,Click::State state,void * owner,unsigned modi)1895 bool SampleWindow::onDispatchClick(int x, int y, Click::State state,
1896 void* owner, unsigned modi) {
1897 if (Click::kMoved_State == state) {
1898 updatePointer(x, y);
1899 }
1900 int w = SkScalarRoundToInt(this->width());
1901 int h = SkScalarRoundToInt(this->height());
1902
1903 // check for the resize-box
1904 if (w - x < 16 && h - y < 16) {
1905 return false; // let the OS handle the click
1906 }
1907 else if (fMagnify) {
1908 //it's only necessary to update the drawing if there's a click
1909 this->inval(nullptr);
1910 return false; //prevent dragging while magnify is enabled
1911 } else {
1912 // capture control+option, and trigger debugger
1913 if ((modi & kControl_SkModifierKey) && (modi & kOption_SkModifierKey)) {
1914 if (Click::kDown_State == state) {
1915 SkEvent evt("debug-hit-test");
1916 evt.setS32("debug-hit-test-x", x);
1917 evt.setS32("debug-hit-test-y", y);
1918 curr_view(this)->doEvent(evt);
1919 }
1920 return true;
1921 } else {
1922 return this->INHERITED::onDispatchClick(x, y, state, owner, modi);
1923 }
1924 }
1925 }
1926
1927 class GestureClick : public SkView::Click {
1928 public:
GestureClick(SkView * target)1929 GestureClick(SkView* target) : SkView::Click(target) {
1930 this->setType(gGestureClickType);
1931 }
1932
IsGesture(Click * click)1933 static bool IsGesture(Click* click) {
1934 return click->isType(gGestureClickType);
1935 }
1936 };
1937
onFindClickHandler(SkScalar x,SkScalar y,unsigned modi)1938 SkView::Click* SampleWindow::onFindClickHandler(SkScalar x, SkScalar y,
1939 unsigned modi) {
1940 return new GestureClick(this);
1941 }
1942
onClick(Click * click)1943 bool SampleWindow::onClick(Click* click) {
1944 if (GestureClick::IsGesture(click)) {
1945 float x = static_cast<float>(click->fICurr.fX);
1946 float y = static_cast<float>(click->fICurr.fY);
1947
1948 switch (click->fState) {
1949 case SkView::Click::kDown_State:
1950 fGesture.touchBegin(click->fOwner, x, y);
1951 break;
1952 case SkView::Click::kMoved_State:
1953 fGesture.touchMoved(click->fOwner, x, y);
1954 this->updateMatrix();
1955 break;
1956 case SkView::Click::kUp_State:
1957 fGesture.touchEnd(click->fOwner);
1958 this->updateMatrix();
1959 break;
1960 }
1961 return true;
1962 }
1963 return false;
1964 }
1965
1966 ///////////////////////////////////////////////////////////////////////////////
1967
loadView(SkView * view)1968 void SampleWindow::loadView(SkView* view) {
1969 SkView::F2BIter iter(this);
1970 SkView* prev = iter.next();
1971 if (prev) {
1972 prev->detachFromParent();
1973 }
1974
1975 view->setVisibleP(true);
1976 view->setClipToBounds(false);
1977 this->attachChildToFront(view)->unref();
1978 view->setSize(this->width(), this->height());
1979
1980 //repopulate the slide menu when a view is loaded
1981 fSlideMenu->reset();
1982
1983 this->onUpdateMenu(fSlideMenu);
1984 this->updateTitle();
1985 }
1986
1987 static const char* gDeviceTypePrefix[] = {
1988 "raster: ",
1989 #if SK_SUPPORT_GPU
1990 "opengl: ",
1991 #if SK_ANGLE
1992 "angle: ",
1993 #endif // SK_ANGLE
1994 #if SK_COMMAND_BUFFER
1995 "command buffer: ",
1996 #endif // SK_COMMAND_BUFFER
1997 #endif // SK_SUPPORT_GPU
1998 };
1999 static_assert(SK_ARRAY_COUNT(gDeviceTypePrefix) == SampleWindow::kDeviceTypeCnt,
2000 "array_size_mismatch");
2001
trystate_str(SkOSMenu::TriState state,const char trueStr[],const char falseStr[])2002 static const char* trystate_str(SkOSMenu::TriState state,
2003 const char trueStr[], const char falseStr[]) {
2004 if (SkOSMenu::kOnState == state) {
2005 return trueStr;
2006 } else if (SkOSMenu::kOffState == state) {
2007 return falseStr;
2008 }
2009 return nullptr;
2010 }
2011
getRawTitle(SkString * title)2012 bool SampleWindow::getRawTitle(SkString* title) {
2013 return curr_title(this, title);
2014 }
2015
updateTitle()2016 void SampleWindow::updateTitle() {
2017 SkString title;
2018 if (!this->getRawTitle(&title)) {
2019 title.set("<unknown>");
2020 }
2021
2022 title.prepend(gDeviceTypePrefix[fDeviceType]);
2023
2024 if (fTilingMode != kNo_Tiling) {
2025 title.prependf("<T: %s> ", gTilingInfo[fTilingMode].label);
2026 }
2027 if (fAnimating) {
2028 title.prepend("<A> ");
2029 }
2030 if (fRotate) {
2031 title.prepend("<R> ");
2032 }
2033 if (fPerspAnim) {
2034 title.prepend("<K> ");
2035 }
2036 if (this->getSurfaceProps().flags() & SkSurfaceProps::kUseDeviceIndependentFonts_Flag) {
2037 title.prepend("<DIF> ");
2038 }
2039 if (fUsePicture) {
2040 title.prepend("<P> ");
2041 }
2042
2043 title.prepend(trystate_str(fLCDState, "LCD ", "lcd "));
2044 title.prepend(trystate_str(fAAState, "AA ", "aa "));
2045 title.prepend(gFilterQualityStates[fFilterQualityIndex].fLabel);
2046 title.prepend(trystate_str(fSubpixelState, "S ", "s "));
2047 title.prepend(fFlipAxis & kFlipAxis_X ? "X " : nullptr);
2048 title.prepend(fFlipAxis & kFlipAxis_Y ? "Y " : nullptr);
2049 title.prepend(gHintingStates[fHintingState].label);
2050
2051 if (fZoomLevel) {
2052 title.prependf("{%.2f} ", SkScalarToFloat(fZoomLevel));
2053 }
2054
2055 if (fMeasureFPS) {
2056 title.appendf(" %8.4f ms", fMeasureFPS_Time / (float)FPS_REPEAT_COUNT);
2057 }
2058
2059 #if SK_SUPPORT_GPU
2060 if (IsGpuDeviceType(fDeviceType) &&
2061 fDevManager &&
2062 fDevManager->getGrRenderTarget() &&
2063 fDevManager->getGrRenderTarget()->numColorSamples() > 0) {
2064 title.appendf(" [MSAA: %d]",
2065 fDevManager->getGrRenderTarget()->numColorSamples());
2066 }
2067 #endif
2068
2069 title.appendf(" %s", find_config_name(this->info()));
2070
2071 this->setTitle(title.c_str());
2072 }
2073
onSizeChange()2074 void SampleWindow::onSizeChange() {
2075 this->INHERITED::onSizeChange();
2076
2077 SkView::F2BIter iter(this);
2078 SkView* view = iter.next();
2079 view->setSize(this->width(), this->height());
2080
2081 // rebuild our clippath
2082 {
2083 const SkScalar W = this->width();
2084 const SkScalar H = this->height();
2085
2086 fClipPath.reset();
2087 #if 0
2088 for (SkScalar y = SK_Scalar1; y < H; y += SkIntToScalar(32)) {
2089 SkRect r;
2090 r.set(SK_Scalar1, y, SkIntToScalar(30), y + SkIntToScalar(30));
2091 for (; r.fLeft < W; r.offset(SkIntToScalar(32), 0))
2092 fClipPath.addRect(r);
2093 }
2094 #else
2095 SkRect r;
2096 r.set(0, 0, W, H);
2097 fClipPath.addRect(r, SkPath::kCCW_Direction);
2098 r.set(W/4, H/4, W*3/4, H*3/4);
2099 fClipPath.addRect(r, SkPath::kCW_Direction);
2100 #endif
2101 }
2102
2103 fZoomCenterX = SkScalarHalf(this->width());
2104 fZoomCenterY = SkScalarHalf(this->height());
2105
2106 #ifdef SK_BUILD_FOR_ANDROID
2107 // FIXME: The first draw after a size change does not work on Android, so
2108 // we post an invalidate.
2109 this->postInvalDelay();
2110 #endif
2111 this->updateTitle(); // to refresh our config
2112 fDevManager->windowSizeChanged(this);
2113
2114 if (fTilingMode != kNo_Tiling && SampleView::IsSampleView(view)) {
2115 ((SampleView*)view)->onTileSizeChanged(this->tileSize());
2116 }
2117 }
2118
2119 ///////////////////////////////////////////////////////////////////////////////
2120
2121 static const char is_sample_view_tag[] = "sample-is-sample-view";
2122 static const char repeat_count_tag[] = "sample-set-repeat-count";
2123
IsSampleView(SkView * view)2124 bool SampleView::IsSampleView(SkView* view) {
2125 SkEvent evt(is_sample_view_tag);
2126 return view->doQuery(&evt);
2127 }
2128
SetRepeatDraw(SkView * view,int count)2129 bool SampleView::SetRepeatDraw(SkView* view, int count) {
2130 SkEvent evt(repeat_count_tag);
2131 evt.setFast32(count);
2132 return view->doEvent(evt);
2133 }
2134
onEvent(const SkEvent & evt)2135 bool SampleView::onEvent(const SkEvent& evt) {
2136 if (evt.isType(repeat_count_tag)) {
2137 fRepeatCount = evt.getFast32();
2138 return true;
2139 }
2140 return this->INHERITED::onEvent(evt);
2141 }
2142
onQuery(SkEvent * evt)2143 bool SampleView::onQuery(SkEvent* evt) {
2144 if (evt->isType(is_sample_view_tag)) {
2145 return true;
2146 }
2147 return this->INHERITED::onQuery(evt);
2148 }
2149
onDraw(SkCanvas * canvas)2150 void SampleView::onDraw(SkCanvas* canvas) {
2151 if (!fHaveCalledOnceBeforeDraw) {
2152 fHaveCalledOnceBeforeDraw = true;
2153 this->onOnceBeforeDraw();
2154 }
2155 this->onDrawBackground(canvas);
2156
2157 for (int i = 0; i < fRepeatCount; i++) {
2158 SkAutoCanvasRestore acr(canvas, true);
2159 this->onDrawContent(canvas);
2160 #if SK_SUPPORT_GPU
2161 // Ensure the GrContext doesn't batch across draw loops.
2162 if (GrContext* context = canvas->getGrContext()) {
2163 context->flush();
2164 }
2165 #endif
2166 }
2167 }
2168
onDrawBackground(SkCanvas * canvas)2169 void SampleView::onDrawBackground(SkCanvas* canvas) {
2170 canvas->drawColor(fBGColor);
2171 }
2172
2173 ///////////////////////////////////////////////////////////////////////////////
2174
SkTBSort(T array[],int count)2175 template <typename T> void SkTBSort(T array[], int count) {
2176 for (int i = 1; i < count - 1; i++) {
2177 bool didSwap = false;
2178 for (int j = count - 1; j > i; --j) {
2179 if (array[j] < array[j-1]) {
2180 T tmp(array[j-1]);
2181 array[j-1] = array[j];
2182 array[j] = tmp;
2183 didSwap = true;
2184 }
2185 }
2186 if (!didSwap) {
2187 break;
2188 }
2189 }
2190
2191 for (int k = 0; k < count - 1; k++) {
2192 SkASSERT(!(array[k+1] < array[k]));
2193 }
2194 }
2195
2196 #include "SkRandom.h"
2197
rand_rect(SkIRect * rect,SkRandom & rand)2198 static void rand_rect(SkIRect* rect, SkRandom& rand) {
2199 int bits = 8;
2200 int shift = 32 - bits;
2201 rect->set(rand.nextU() >> shift, rand.nextU() >> shift,
2202 rand.nextU() >> shift, rand.nextU() >> shift);
2203 rect->sort();
2204 }
2205
dumpRect(const SkIRect & r)2206 static void dumpRect(const SkIRect& r) {
2207 SkDebugf(" { %d, %d, %d, %d },\n",
2208 r.fLeft, r.fTop,
2209 r.fRight, r.fBottom);
2210 }
2211
test_rects(const SkIRect rect[],int count)2212 static void test_rects(const SkIRect rect[], int count) {
2213 SkRegion rgn0, rgn1;
2214
2215 for (int i = 0; i < count; i++) {
2216 rgn0.op(rect[i], SkRegion::kUnion_Op);
2217 // dumpRect(rect[i]);
2218 }
2219 rgn1.setRects(rect, count);
2220
2221 if (rgn0 != rgn1) {
2222 SkDebugf("\n");
2223 for (int i = 0; i < count; i++) {
2224 dumpRect(rect[i]);
2225 }
2226 SkDebugf("\n");
2227 }
2228 }
2229
test()2230 static void test() {
2231 size_t i;
2232
2233 const SkIRect r0[] = {
2234 { 0, 0, 1, 1 },
2235 { 2, 2, 3, 3 },
2236 };
2237 const SkIRect r1[] = {
2238 { 0, 0, 1, 3 },
2239 { 1, 1, 2, 2 },
2240 { 2, 0, 3, 3 },
2241 };
2242 const SkIRect r2[] = {
2243 { 0, 0, 1, 2 },
2244 { 2, 1, 3, 3 },
2245 { 4, 0, 5, 1 },
2246 { 6, 0, 7, 4 },
2247 };
2248
2249 static const struct {
2250 const SkIRect* fRects;
2251 int fCount;
2252 } gRecs[] = {
2253 { r0, SK_ARRAY_COUNT(r0) },
2254 { r1, SK_ARRAY_COUNT(r1) },
2255 { r2, SK_ARRAY_COUNT(r2) },
2256 };
2257
2258 for (i = 0; i < SK_ARRAY_COUNT(gRecs); i++) {
2259 test_rects(gRecs[i].fRects, gRecs[i].fCount);
2260 }
2261
2262 SkRandom rand;
2263 for (i = 0; i < 10000; i++) {
2264 SkRegion rgn0, rgn1;
2265
2266 const int N = 8;
2267 SkIRect rect[N];
2268 for (int j = 0; j < N; j++) {
2269 rand_rect(&rect[j], rand);
2270 }
2271 test_rects(rect, N);
2272 }
2273 }
2274
2275 // FIXME: this should be in a header
2276 SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv);
create_sk_window(void * hwnd,int argc,char ** argv)2277 SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) {
2278 if (false) { // avoid bit rot, suppress warning
2279 test();
2280 }
2281 return new SampleWindow(hwnd, argc, argv, nullptr);
2282 }
2283
2284 // FIXME: this should be in a header
2285 void get_preferred_size(int* x, int* y, int* width, int* height);
get_preferred_size(int * x,int * y,int * width,int * height)2286 void get_preferred_size(int* x, int* y, int* width, int* height) {
2287 *x = 10;
2288 *y = 50;
2289 *width = 640;
2290 *height = 480;
2291 }
2292
2293 #ifdef SK_BUILD_FOR_IOS
2294 #include "SkApplication.h"
set_cmd_line_args(int,char * [],const char * resourceDir)2295 IOS_launch_type set_cmd_line_args(int , char *[], const char* resourceDir) {
2296 SetResourcePath(resourceDir);
2297 return kApplication__iOSLaunchType;
2298 }
2299 #endif
2300
application_init()2301 void application_init() {
2302 // setenv("ANDROID_ROOT", "../../../data", 0);
2303 #ifdef SK_BUILD_FOR_MAC
2304 setenv("ANDROID_ROOT", "/android/device/data", 0);
2305 #endif
2306 SkGraphics::Init();
2307 SkEvent::Init();
2308 }
2309
application_term()2310 void application_term() {
2311 SkEvent::Term();
2312 }
2313