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ui/gfx/nine_image_painter.cc

Index: ui/gfx/nine_image_painter.cc
diff --git a/ui/gfx/nine_image_painter.cc b/ui/gfx/nine_image_painter.cc
deleted file mode 100644
index 500c536beeaab9d17612a9864e35ef3865ef11d5..0000000000000000000000000000000000000000
--- a/ui/gfx/nine_image_painter.cc
+++ /dev/null
@@ -1,167 +0,0 @@
-// 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 "ui/gfx/nine_image_painter.h"
-
-#include <limits>
-
-#include "third_party/skia/include/core/SkPaint.h"
-#include "third_party/skia/include/core/SkRect.h"
-#include "third_party/skia/include/core/SkScalar.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/geometry/rect_conversions.h"
-#include "ui/gfx/geometry/safe_integer_conversions.h"
-#include "ui/gfx/image/image_skia_operations.h"
-#include "ui/gfx/insets.h"
-#include "ui/gfx/rect.h"
-#include "ui/gfx/scoped_canvas.h"
-#include "ui/gfx/skia_util.h"
-
-namespace gfx {
-
-namespace {
-
-// The following functions width and height of the image in pixels for the
-// scale factor in the Canvas.
-int ImageWidthInPixels(const ImageSkia& i, Canvas* c) {
-  return i.GetRepresentation(c->image_scale()).pixel_width();
-}
-
-int ImageHeightInPixels(const ImageSkia& i, Canvas* c) {
-  return i.GetRepresentation(c->image_scale()).pixel_height();
-}
-
-// Stretches the given image over the specified canvas area.
-void Fill(Canvas* c,
-          const ImageSkia& i,
-          int x,
-          int y,
-          int w,
-          int h,
-          const SkPaint& paint) {
-  c->DrawImageIntInPixel(i, 0, 0, ImageWidthInPixels(i, c),
-                         ImageHeightInPixels(i, c), x, y, w, h, false, paint);
-}
-
-}  // namespace
-
-NineImagePainter::NineImagePainter(const std::vector<ImageSkia>& images) {
-  DCHECK_EQ(arraysize(images_), images.size());
-  for (size_t i = 0; i < arraysize(images_); ++i)
-    images_[i] = images[i];
-}
-
-NineImagePainter::NineImagePainter(const ImageSkia& image,
-                                   const Insets& insets) {
-  DCHECK_GE(image.width(), insets.width());
-  DCHECK_GE(image.height(), insets.height());
-
-  // Extract subsets of the original image to match the |images_| format.
-  const int x[] =
-      { 0, insets.left(), image.width() - insets.right(), image.width() };
-  const int y[] =
-      { 0, insets.top(), image.height() - insets.bottom(), image.height() };
-
-  for (size_t j = 0; j < 3; ++j) {
-    for (size_t i = 0; i < 3; ++i) {
-      images_[i + j * 3] = ImageSkiaOperations::ExtractSubset(image,
-          Rect(x[i], y[j], x[i + 1] - x[i], y[j + 1] - y[j]));
-    }
-  }
-}
-
-NineImagePainter::~NineImagePainter() {
-}
-
-bool NineImagePainter::IsEmpty() const {
-  return images_[0].isNull();
-}
-
-Size NineImagePainter::GetMinimumSize() const {
-  return IsEmpty() ? Size() : Size(
-      images_[0].width() + images_[1].width() + images_[2].width(),
-      images_[0].height() + images_[3].height() + images_[6].height());
-}
-
-void NineImagePainter::Paint(Canvas* canvas, const Rect& bounds) {
-  // When no alpha value is specified, use default value of 100% opacity.
-  Paint(canvas, bounds, std::numeric_limits<uint8>::max());
-}
-
-void NineImagePainter::Paint(Canvas* canvas,
-                             const Rect& bounds,
-                             const uint8 alpha) {
-  if (IsEmpty())
-    return;
-
-  ScopedCanvas scoped_canvas(canvas);
-  canvas->Translate(bounds.OffsetFromOrigin());
-
-  // Get the current transform from the canvas and apply it to the logical
-  // bounds passed in. This will give us the pixel bounds which can be used
-  // to draw the images at the correct locations.
-  // We should not scale the bounds by the canvas->image_scale() as that can be
-  // different from the real scale in the canvas transform.
-  SkRect bounds_in_pixels_f;
-  if (!canvas->sk_canvas()->getTotalMatrix().mapRect(
-          &bounds_in_pixels_f, RectToSkRect(gfx::Rect(bounds.size()))))
-    return;  // Invalid transform.
-
-  SkIRect bounds_in_pixels;
-  bounds_in_pixels_f.dround(&bounds_in_pixels);
-
-  SkMatrix matrix = canvas->sk_canvas()->getTotalMatrix();
-  matrix.setTranslateX(SkIntToScalar(bounds_in_pixels.x()));
-  matrix.setTranslateY(SkIntToScalar(bounds_in_pixels.y()));
-  canvas->sk_canvas()->setMatrix(matrix);
-
-  const int width_in_pixels = bounds_in_pixels.width();
-  const int height_in_pixels = bounds_in_pixels.height();
-
-  // In case the corners and edges don't all have the same width/height, we draw
-  // the center first, and extend it out in all directions to the edges of the
-  // images with the smallest widths/heights.  This way there will be no
-  // unpainted areas, though some corners or edges might overlap the center.
-  int i0w = ImageWidthInPixels(images_[0], canvas);
-  int i2w = ImageWidthInPixels(images_[2], canvas);
-  int i3w = ImageWidthInPixels(images_[3], canvas);
-  int i5w = ImageWidthInPixels(images_[5], canvas);
-  int i6w = ImageWidthInPixels(images_[6], canvas);
-  int i8w = ImageWidthInPixels(images_[8], canvas);
-
-  int i4x = std::min(std::min(i0w, i3w), i6w);
-  int i4w = width_in_pixels - i4x - std::min(std::min(i2w, i5w), i8w);
-
-  int i0h = ImageHeightInPixels(images_[0], canvas);
-  int i1h = ImageHeightInPixels(images_[1], canvas);
-  int i2h = ImageHeightInPixels(images_[2], canvas);
-  int i6h = ImageHeightInPixels(images_[6], canvas);
-  int i7h = ImageHeightInPixels(images_[7], canvas);
-  int i8h = ImageHeightInPixels(images_[8], canvas);
-
-  int i4y = std::min(std::min(i0h, i1h), i2h);
-  int i4h = height_in_pixels - i4y - std::min(std::min(i6h, i7h), i8h);
-
-  SkPaint paint;
-  paint.setAlpha(alpha);
-
-  if (!images_[4].isNull())
-    Fill(canvas, images_[4], i4x, i4y, i4w, i4h, paint);
-  canvas->DrawImageIntInPixel(images_[0], 0, 0, i0w, i0h,
-                              0, 0, i0w, i0h, false, paint);
-  Fill(canvas, images_[1], i0w, 0, width_in_pixels - i0w - i2w, i1h, paint);
-  canvas->DrawImageIntInPixel(images_[2], 0, 0, i2w, i2h, width_in_pixels - i2w,
-                              0, i2w, i2h, false, paint);
-  Fill(canvas, images_[3], 0, i0h, i3w, height_in_pixels - i0h - i6h, paint);
-  Fill(canvas, images_[5], width_in_pixels - i5w, i2h, i5w,
-       height_in_pixels - i2h - i8h, paint);
-  canvas->DrawImageIntInPixel(images_[6], 0, 0, i6w, i6h, 0,
-                              height_in_pixels - i6h, i6w, i6h, false, paint);
-  Fill(canvas, images_[7], i6w, height_in_pixels - i7h,
-       width_in_pixels - i6w - i8w, i7h, paint);
-  canvas->DrawImageIntInPixel(images_[8], 0, 0, i8w, i8h, width_in_pixels - i8w,
-                              height_in_pixels - i8h, i8w, i8h, false, paint);
-}
-
-}  // namespace gfx