Add samples to Viewer.

tools/viewer/Viewer.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "Viewer.h"
 
 #include "GMSlide.h"
 #include "ImageSlide.h"
+#include "SampleSlide.h"
 #include "SKPSlide.h"
 
 #include "SkCanvas.h"
 #include "SkCommonFlags.h"
 #include "SkMetaData.h"
 #include "SkOSFile.h"
 #include "SkRandom.h"
 #include "SkStream.h"
 
 using namespace sk_app;
@@ skipping 176 matching lines @@
         gms = gms->next();
     }
 
     // reverse array
     for (int i = 0; i < fSlides.count()/2; ++i) {
         sk_sp<Slide> temp = fSlides[i];
         fSlides[i] = fSlides[fSlides.count() - i - 1];
         fSlides[fSlides.count() - i - 1] = temp;
     }
 
+    // samples
+    const SkViewRegister* reg = SkViewRegister::Head();
+    while (reg) {
+        sk_sp<Slide> slide(new SampleSlide(reg->factory()));
+        fSlides.push_back(slide);
+        reg = reg->next();
+    }
+
     // SKPs
     for (int i = 0; i < FLAGS_skps.count(); i++) {
         if (SkStrEndsWith(FLAGS_skps[i], ".skp")) {
             if (SkCommandLineFlags::ShouldSkip(FLAGS_match, FLAGS_skps[i])) {
                 continue;
             }
 
             SkString path(FLAGS_skps[i]);
             sk_sp<SKPSlide> slide(new SKPSlide(SkOSPath::Basename(path.c_str()), path));
             if (slide) {
@@ skipping 45 matching lines @@
     title.append(kBackendTypeStrings[fBackendType]);
     fWindow->setTitle(title.c_str());
 }
 
 void Viewer::setupCurrentSlide(int previousSlide) {
     if (fCurrentSlide == previousSlide) {
         return; // no change; do nothing
     }
 
     // prepare dimensions for image slides
-    fSlides[fCurrentSlide]->load();
+    fSlides[fCurrentSlide]->load(SkIntToScalar(fWindow->width()), SkIntToScalar(fWindow->height()));
 
     fGesture.reset();
     fDefaultMatrix.reset();
     fDefaultMatrixInv.reset();
 
     if (fWindow->supportsContentRect() && fWindow->scaleContentToFit()) {
         const SkRect contentRect = fWindow->getContentRect();
         const SkISize slideSize = fSlides[fCurrentSlide]->getDimensions();
         const SkRect slideBounds = SkRect::MakeIWH(slideSize.width(), slideSize.height());
         if (contentRect.width() > 0 && contentRect.height() > 0) {
@@ skipping 275 matching lines @@
         bool newSplitScreen = stateValue.equals(kON);
         if (newSplitScreen != fSplitScreen) {
             fSplitScreen = newSplitScreen;
             fWindow->inval();
             updateUIState();
         }
     } else {
         SkDebugf("Unknown stateName: %s", stateName.c_str());
     }
 }