In picture rendering tools, draw the entire scaled image.

If --scale is used, limit the size of the image drawn to the
scaled picture size, rather than the original picture size.

BUG=https://code.google.com/p/skia/issues/detail?id=1095

Review URL: https://codereview.appspot.com/7307054

git-svn-id: http://skia.googlecode.com/svn/trunk@7633 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/PictureRenderer.cpp b/tools/PictureRenderer.cpp
index cb2c3a4..15d0872 100644
--- a/tools/PictureRenderer.cpp
+++ b/tools/PictureRenderer.cpp
@@ -139,7 +139,7 @@
 
 int PictureRenderer::getViewWidth() {
     SkASSERT(fPicture != NULL);
-    int width = fPicture->width();
+    int width = fPicture->width() * fScaleFactor;
     if (fViewport.width() > 0) {
         width = SkMin32(width, fViewport.width());
     }
@@ -148,7 +148,7 @@
 
 int PictureRenderer::getViewHeight() {
     SkASSERT(fPicture != NULL);
-    int height = fPicture->height();
+    int height = fPicture->height() * fScaleFactor;
     if (fViewport.height() > 0) {
         height = SkMin32(height, fViewport.height());
     }