Add SkTileGridPicture SampleApp playback support.

samplecode/SampleApp.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SampleApp.h"
 
 #include "SkData.h"
 #include "SkCanvas.h"
@@ skipping 635 matching lines @@
     kRel_16x1_Tiling,
 
     kLast_TilingMode_Enum
 };
 
 struct TilingInfo {
     const char* label;
     SkScalar    w, h;
 };
 
-static struct TilingInfo gTilingInfo[] = {
+static const struct TilingInfo gTilingInfo[] = {
     { "No tiling", SK_Scalar1        , SK_Scalar1         }, // kNo_Tiling
     { "128x128"  , SkIntToScalar(128), SkIntToScalar(128) }, // kAbs_128x128_Tiling
     { "256x256"  , SkIntToScalar(256), SkIntToScalar(256) }, // kAbs_256x256_Tiling
     { "1/4x1/4"  , SK_Scalar1 / 4    , SK_Scalar1 / 4     }, // kRel_4x4_Tiling
     { "1/1x1/16" , SK_Scalar1        , SK_Scalar1 / 16    }, // kRel_1x16_Tiling
     { "1/16x1/1" , SK_Scalar1 / 16   , SK_Scalar1         }, // kRel_16x1_Tiling
 };
 SK_COMPILE_ASSERT((SK_ARRAY_COUNT(gTilingInfo) == kLast_TilingMode_Enum),
                   Incomplete_tiling_labels);
 
+SkSize SampleWindow::tileSize() const {
+    SkASSERT((TilingMode)fTilingMode < kLast_TilingMode_Enum);
+    const struct TilingInfo* info = gTilingInfo + fTilingMode;
+    return SkSize::Make(info->w > SK_Scalar1 ? info->w : this->width() * info->w,
+                        info->h > SK_Scalar1 ? info->h : this->height() * info->h);
+}
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* curr_view(SkWindow* wind) {
     SkView::F2BIter iter(wind);
     return iter.next();
 }
 
 static bool curr_title(SkWindow* wind, SkString* title) {
     SkView* view = curr_view(wind);
     if (view) {
@@ skipping 514 matching lines @@
                 }
                 canvas->clipRect(r);
                 this->INHERITED::draw(canvas);
             }
         }
 
         SkBitmap diff;
         if (bitmap_diff(canvas, orig, &diff)) {
         }
     } else {
-        SkSize tile;
-        SkASSERT((TilingMode)fTilingMode < kLast_TilingMode_Enum);
-        struct TilingInfo* info = gTilingInfo + fTilingMode;
-        tile.set(info->w > SK_Scalar1 ? info->w : width() * info->w,
-                 info->h > SK_Scalar1 ? info->h : height() * info->h);
+        SkSize tile = this->tileSize();
 
         for (SkScalar y = 0; y < height(); y += tile.height()) {
             for (SkScalar x = 0; x < width(); x += tile.width()) {
                 SkAutoCanvasRestore acr(canvas, true);
                 canvas->clipRect(SkRect::MakeXYWH(x, y,
                                                   tile.width(),
                                                   tile.height()));
                 this->INHERITED::draw(canvas);
             }
         }
@@ skipping 513 matching lines @@
     }
     if (SkOSMenu::FindTriState(evt, "AA", &fAAState) ||
         SkOSMenu::FindTriState(evt, "LCD", &fLCDState) ||
         SkOSMenu::FindTriState(evt, "Filter", &fFilterState) ||
         SkOSMenu::FindTriState(evt, "Subpixel", &fSubpixelState) ||
         SkOSMenu::FindListIndex(evt, "Hinting", &fHintingState) ||
         SkOSMenu::FindSwitchState(evt, "Clip", &fUseClip) ||
         SkOSMenu::FindSwitchState(evt, "Zoomer", &fShowZoomer) ||
         SkOSMenu::FindSwitchState(evt, "Magnify", &fMagnify) ||
         SkOSMenu::FindListIndex(evt, "Transition-Next", &fTransitionNext) ||
-        SkOSMenu::FindListIndex(evt, "Transition-Prev", &fTransitionPrev) ||
-        SkOSMenu::FindListIndex(evt, "Tiling", &fTilingMode)) {
+        SkOSMenu::FindListIndex(evt, "Transition-Prev", &fTransitionPrev)) {
         this->inval(NULL);
         this->updateTitle();
         return true;
+    }
+    if (SkOSMenu::FindListIndex(evt, "Tiling", &fTilingMode)) {
+        if (SampleView::IsSampleView(curr_view(this))) {
+            ((SampleView*)curr_view(this))->onTileSizeChanged(this->tileSize());
+        }
+        this->inval(NULL);
+        this->updateTitle();
+        return true;
     }
     if (SkOSMenu::FindSwitchState(evt, "Flip X", NULL)) {
         fFlipAxis ^= kFlipAxis_X;
         this->updateMatrix();
         return true;
     }
     if (SkOSMenu::FindSwitchState(evt, "Flip Y", NULL)) {
         fFlipAxis ^= kFlipAxis_Y;
         this->updateMatrix();
         return true;
@@ skipping 336 matching lines @@
 
     view->setVisibleP(true);
     view->setClipToBounds(false);
     this->attachChildToFront(view)->unref();
     view->setSize(this->width(), this->height());
 
     //repopulate the slide menu when a view is loaded
     fSlideMenu->reset();
 
     (void)SampleView::SetUsePipe(view, fPipeState);
-    if (SampleView::IsSampleView(view))
-        ((SampleView*)view)->requestMenu(fSlideMenu);
+    if (SampleView::IsSampleView(view)) {
+        SampleView* sampleView = (SampleView*)view;
+        sampleView->requestMenu(fSlideMenu);
+        sampleView->onTileSizeChanged(this->tileSize());
+    }
     this->onUpdateMenu(fSlideMenu);
     this->updateTitle();
 }
 
 static const char* gConfigNames[] = {
     "unknown config",
     "A8",
     "Index8",
     "565",
     "4444",
@@ skipping 132 matching lines @@
     fZoomCenterX = SkScalarHalf(this->width());
     fZoomCenterY = SkScalarHalf(this->height());
 
 #ifdef SK_BUILD_FOR_ANDROID
     // FIXME: The first draw after a size change does not work on Android, so
     // we post an invalidate.
     this->postInvalDelay();
 #endif
     this->updateTitle();    // to refresh our config
     fDevManager->windowSizeChanged(this);
+
+    if (fTilingMode != kNo_Tiling && SampleView::IsSampleView(view)) {
+        ((SampleView*)view)->onTileSizeChanged(this->tileSize());
+    }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static const char is_sample_view_tag[] = "sample-is-sample-view";
 static const char repeat_count_tag[] = "sample-set-repeat-count";
 static const char set_use_pipe_tag[] = "sample-set-use-pipe";
 
 bool SampleView::IsSampleView(SkView* view) {
     SkEvent evt(is_sample_view_tag);
@@ skipping 319 matching lines @@
     SkGraphics::Init();
     SkEvent::Init();
 }
 
 // FIXME: this should be in a header
 void application_term();
 void application_term() {
     SkEvent::Term();
     SkGraphics::Term();
 }