SkImage-only bitmap patterns

Source/platform/graphics/BitmapPattern.cpp

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "config.h"
-#include "platform/graphics/BitmapPattern.h"
-
-#include "platform/graphics/skia/SkiaUtils.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkShader.h"
-
-namespace blink {
-
-BitmapPattern::BitmapPattern(PassRefPtr<Image> image, RepeatMode repeatMode)
-: BitmapPatternBase(repeatMode, 0 )
-{
-    if (image) {
-        // If image is animated, what about the pattern?
-        if (image->deprecatedBitmapForCurrentFrame(&m_tileImage))
-            adjustExternalMemoryAllocated(m_tileImage.getSafeSize());
-    }
-}
-
-PassRefPtr<SkShader> BitmapPattern::createShader()
-{
-    if (m_tileImage.isNull()) {
-        return adoptRef(SkShader::CreateColorShader(SK_ColorTRANSPARENT));
-    }
-
-    SkMatrix localMatrix = affineTransformToSkMatrix(m_patternSpaceTransformation);
-
-    if (isRepeatXY()) {
-        return adoptRef(SkShader::CreateBitmapShader(m_tileImage, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode, &localMatrix));
-    }
-
-    return BitmapPatternBase::createShader();
-}
-
-SkImageInfo BitmapPattern::getBitmapInfo()
-{
-    return m_tileImage.info();
-}
-
-void BitmapPattern::drawBitmapToCanvas(SkCanvas& canvas, SkPaint& paint)
-{
-    canvas.drawBitmap(m_tileImage, SkIntToScalar(0), SkIntToScalar(0), &paint);
-}
-
-} // namespace