RenderWidgetTest::RenderWidgetTest() {}
-void RenderWidgetTest::ResizeAndPaint(const gfx::Size& page_size,
- const gfx::Size& desired_size,
- SkBitmap* snapshot) {
- ASSERT_TRUE(snapshot);
- static int g_sequence_num = 0;
- // Use a new sequence number for each DIB.
- scoped_ptr<TransportDIB> pixels(
- TransportDIB::Create(
- page_size.width() * page_size.height() * kNumBytesPerPixel,
- ++g_sequence_num));
-
- // Go ahead and map the DIB into memory, so that we can use it below to fill
- // tmp_bitmap. Note that we need to do this before calling OnPaintAtSize, or
- // the last reference to the shared memory will be closed and the handle will
- // no longer be valid.
- scoped_ptr<TransportDIB> mapped_pixels(TransportDIB::Map(pixels->handle()));
-
- RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
- impl->OnPaintAtSize(pixels->handle(), g_sequence_num, page_size,
- desired_size);
- ProcessPendingMessages();
- const IPC::Message* msg = render_thread_->sink().GetUniqueMessageMatching(
- ViewHostMsg_PaintAtSize_ACK::ID);
- ASSERT_NE(static_cast<IPC::Message*>(NULL), msg);
- ViewHostMsg_PaintAtSize_ACK::Param params;
- ViewHostMsg_PaintAtSize_ACK::Read(msg, ¶ms);
- render_thread_->sink().ClearMessages();
- EXPECT_EQ(g_sequence_num, params.a);
- gfx::Size size = params.b;
- EXPECT_EQ(desired_size, size);
-
- SkBitmap tmp_bitmap;
- tmp_bitmap.setConfig(SkBitmap::kARGB_8888_Config,
- size.width(), size.height());
- tmp_bitmap.setPixels(mapped_pixels->memory());
- // Copy the pixels from the TransportDIB object to the given snapshot.
- ASSERT_TRUE(tmp_bitmap.copyTo(snapshot, SkBitmap::kARGB_8888_Config));
-}
-
-void RenderWidgetTest::TestResizeAndPaint() {
- // Hello World message is only visible if the view size is at least
- // kTextPositionX x kTextPositionY
- LoadHTML(base::StringPrintf(
- "<html><body><div style='position: absolute; top: %d; left: "
- "%d; background-color: red;'>Hello World</div></body></html>",
- kTextPositionY, kTextPositionX).c_str());
- blink::WebSize old_size = view_->GetWebView()->size();
-
- SkBitmap bitmap;
- // If we re-size the view to something smaller than where the 'Hello World'
- // text is displayed we won't see any text in the snapshot. Hence,
- // the snapshot should not contain any red.
- gfx::Size size(kSmallWidth, kSmallHeight);
- ResizeAndPaint(size, size, &bitmap);
- // Make sure that the view has been re-sized to its old size.
- EXPECT_TRUE(old_size == view_->GetWebView()->size());
- EXPECT_EQ(kSmallWidth, bitmap.width());
- EXPECT_EQ(kSmallHeight, bitmap.height());
- EXPECT_FALSE(ImageContainsColor(bitmap, kRedARGB));
-
- // Since we ask for the view to be re-sized to something larger than where the
- // 'Hello World' text is written the text should be visible in the snapshot.
- // Hence, the snapshot should contain some red.
- size.SetSize(kLargeWidth, kLargeHeight);
- ResizeAndPaint(size, size, &bitmap);
- EXPECT_TRUE(old_size == view_->GetWebView()->size());
- EXPECT_EQ(kLargeWidth, bitmap.width());
- EXPECT_EQ(kLargeHeight, bitmap.height());
- EXPECT_TRUE(ImageContainsColor(bitmap, kRedARGB));
-
- // Even if the desired size is smaller than where the text is located we
- // should still see the 'Hello World' message since the view size is
- // still large enough.
- ResizeAndPaint(size, gfx::Size(kSmallWidth, kSmallHeight), &bitmap);
- EXPECT_TRUE(old_size == view_->GetWebView()->size());
- EXPECT_EQ(kSmallWidth, bitmap.width());
- EXPECT_EQ(kSmallHeight, bitmap.height());
- EXPECT_TRUE(ImageContainsColor(bitmap, kRedARGB));
-}
-
-bool RenderWidgetTest::ImageContainsColor(const SkBitmap& bitmap,
- uint32 argb_color) {
- SkAutoLockPixels lock(bitmap);
- bool ready = bitmap.readyToDraw();
- EXPECT_TRUE(ready);
- if (!ready) {
- return false;
- }
- for (int x = 0; x < bitmap.width(); ++x) {
- for (int y = 0; y < bitmap.height(); ++y) {
- if (argb_color == *bitmap.getAddr32(x, y)) {
- return true;
- }
- }
- }
- return false;
-}
-
-void RenderWidgetTest::OutputBitmapToFile(const SkBitmap& bitmap,
- const base::FilePath& file_path) {
- scoped_refptr<base::RefCountedBytes> bitmap_data(new base::RefCountedBytes());
- SkAutoLockPixels lock(bitmap);
- ASSERT_TRUE(gfx::JPEGCodec::Encode(
- reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)),
- gfx::JPEGCodec::FORMAT_BGRA,
- bitmap.width(),
- bitmap.height(),
- static_cast<int>(bitmap.rowBytes()),
- 90 /* quality */,
- &bitmap_data->data()));
- ASSERT_LT(0, file_util::WriteFile(
- file_path,
- reinterpret_cast<const char*>(bitmap_data->front()),
- bitmap_data->size()));
-}
-
void RenderWidgetTest::TestOnResize() {
RenderWidget* widget = static_cast<RenderViewImpl*>(view_);
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