| Index: app/gfx/canvas.cc
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| ===================================================================
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| --- app/gfx/canvas.cc	(revision 42303)
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| +++ app/gfx/canvas.cc	(working copy)
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| @@ -1,277 +0,0 @@
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| -// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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| -// Use of this source code is governed by a BSD-style license that can be
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| -// found in the LICENSE file.
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| -
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| -#include "app/gfx/canvas.h"
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| -
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| -#include <limits>
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| -
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| -#include "app/gfx/font.h"
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| -#include "base/i18n/rtl.h"
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| -#include "base/logging.h"
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| -#include "gfx/rect.h"
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| -#include "third_party/skia/include/core/SkShader.h"
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| -
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| -namespace gfx {
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| -
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| -bool Canvas::GetClipRect(gfx::Rect* r) {
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| -  SkRect clip;
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| -  if (!getClipBounds(&clip)) {
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| -    if (r)
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| -      r->SetRect(0, 0, 0, 0);
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| -    return false;
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| -  }
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| -  r->SetRect(SkScalarRound(clip.fLeft), SkScalarRound(clip.fTop),
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| -             SkScalarRound(clip.fRight - clip.fLeft),
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| -             SkScalarRound(clip.fBottom - clip.fTop));
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| -  return true;
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| -}
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| -
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| -bool Canvas::ClipRectInt(int x, int y, int w, int h) {
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| -  SkRect new_clip;
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| -  new_clip.set(SkIntToScalar(x), SkIntToScalar(y),
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| -               SkIntToScalar(x + w), SkIntToScalar(y + h));
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| -  return clipRect(new_clip);
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| -}
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| -
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| -bool Canvas::IntersectsClipRectInt(int x, int y, int w, int h) {
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| -  SkRect clip;
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| -  return getClipBounds(&clip) &&
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| -      clip.intersect(SkIntToScalar(x), SkIntToScalar(y), SkIntToScalar(x + w),
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| -                     SkIntToScalar(y + h));
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| -}
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| -
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| -void Canvas::TranslateInt(int x, int y) {
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| -  translate(SkIntToScalar(x), SkIntToScalar(y));
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| -}
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| -
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| -void Canvas::ScaleInt(int x, int y) {
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| -  scale(SkIntToScalar(x), SkIntToScalar(y));
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| -}
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| -
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| -void Canvas::FillRectInt(const SkColor& color, int x, int y, int w, int h) {
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| -  SkPaint paint;
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| -  paint.setColor(color);
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| -  paint.setStyle(SkPaint::kFill_Style);
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| -  paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
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| -  FillRectInt(x, y, w, h, paint);
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| -}
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| -
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| -void Canvas::FillRectInt(int x, int y, int w, int h, const SkPaint& paint) {
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| -  SkIRect rc = {x, y, x + w, y + h};
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| -  drawIRect(rc, paint);
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| -}
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| -
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| -void Canvas::DrawRectInt(const SkColor& color, int x, int y, int w, int h) {
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| -  DrawRectInt(color, x, y, w, h, SkXfermode::kSrcOver_Mode);
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| -}
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| -
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| -void Canvas::DrawRectInt(const SkColor& color, int x, int y, int w, int h,
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| -                         SkXfermode::Mode mode) {
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| -  SkPaint paint;
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| -  paint.setColor(color);
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| -  paint.setStyle(SkPaint::kStroke_Style);
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| -  // Set a stroke width of 0, which will put us down the stroke rect path.  If
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| -  // we set a stroke width of 1, for example, this will internally create a
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| -  // path and fill it, which causes problems near the edge of the canvas.
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| -  paint.setStrokeWidth(SkIntToScalar(0));
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| -  paint.setXfermodeMode(mode);
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| -
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| -  SkIRect rc = {x, y, x + w, y + h};
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| -  drawIRect(rc, paint);
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| -}
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| -
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| -void Canvas::DrawLineInt(const SkColor& color, int x1, int y1, int x2, int y2) {
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| -  SkPaint paint;
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| -  paint.setColor(color);
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| -  paint.setStrokeWidth(SkIntToScalar(1));
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| -  drawLine(SkIntToScalar(x1), SkIntToScalar(y1), SkIntToScalar(x2),
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| -           SkIntToScalar(y2), paint);
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| -}
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| -
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| -void Canvas::DrawFocusRect(int x, int y, int width, int height) {
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| -  // Create a 2D bitmap containing alternating on/off pixels - we do this
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| -  // so that you never get two pixels of the same color around the edges
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| -  // of the focus rect (this may mean that opposing edges of the rect may
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| -  // have a dot pattern out of phase to each other).
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| -  static SkBitmap* dots = NULL;
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| -  if (!dots) {
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| -    int col_pixels = 32;
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| -    int row_pixels = 32;
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| -
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| -    dots = new SkBitmap;
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| -    dots->setConfig(SkBitmap::kARGB_8888_Config, col_pixels, row_pixels);
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| -    dots->allocPixels();
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| -    dots->eraseARGB(0, 0, 0, 0);
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| -
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| -    uint32_t* dot = dots->getAddr32(0, 0);
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| -    for (int i = 0; i < row_pixels; i++) {
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| -      for (int u = 0; u < col_pixels; u++) {
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| -        if ((u % 2 + i % 2) % 2 != 0) {
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| -          dot[i * row_pixels + u] = SK_ColorGRAY;
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| -        }
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| -      }
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| -    }
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| -  }
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| -
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| -  // First the horizontal lines.
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| -
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| -  // Make a shader for the bitmap with an origin of the box we'll draw. This
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| -  // shader is refcounted and will have an initial refcount of 1.
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| -  SkShader* shader = SkShader::CreateBitmapShader(
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| -      *dots, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
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| -  // Assign the shader to the paint & release our reference. The paint will
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| -  // now own the shader and the shader will be destroyed when the paint goes
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| -  // out of scope.
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| -  SkPaint paint;
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| -  paint.setShader(shader);
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| -  shader->unref();
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| -
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| -  SkRect rect;
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| -  rect.set(SkIntToScalar(x), SkIntToScalar(y),
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| -           SkIntToScalar(x + width), SkIntToScalar(y + 1));
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| -  drawRect(rect, paint);
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| -  rect.set(SkIntToScalar(x), SkIntToScalar(y + height - 1),
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| -           SkIntToScalar(x + width), SkIntToScalar(y + height));
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| -  drawRect(rect, paint);
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| -
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| -  rect.set(SkIntToScalar(x), SkIntToScalar(y),
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| -           SkIntToScalar(x + 1), SkIntToScalar(y + height));
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| -  drawRect(rect, paint);
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| -  rect.set(SkIntToScalar(x + width - 1), SkIntToScalar(y),
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| -           SkIntToScalar(x + width), SkIntToScalar(y + height));
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| -  drawRect(rect, paint);
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| -}
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| -
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| -void Canvas::DrawBitmapInt(const SkBitmap& bitmap, int x, int y) {
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| -  drawBitmap(bitmap, SkIntToScalar(x), SkIntToScalar(y));
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| -}
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| -
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| -void Canvas::DrawBitmapInt(const SkBitmap& bitmap, int x, int y,
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| -                           const SkPaint& paint) {
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| -  drawBitmap(bitmap, SkIntToScalar(x), SkIntToScalar(y), &paint);
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| -}
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| -
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| -void Canvas::DrawBitmapInt(const SkBitmap& bitmap, int src_x, int src_y,
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| -                           int src_w, int src_h, int dest_x, int dest_y,
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| -                           int dest_w, int dest_h,
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| -                           bool filter) {
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| -  SkPaint p;
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| -  DrawBitmapInt(bitmap, src_x, src_y, src_w, src_h, dest_x, dest_y,
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| -                dest_w, dest_h, filter, p);
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| -}
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| -
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| -void Canvas::DrawBitmapInt(const SkBitmap& bitmap, int src_x, int src_y,
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| -                           int src_w, int src_h, int dest_x, int dest_y,
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| -                           int dest_w, int dest_h,
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| -                           bool filter, const SkPaint& paint) {
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| -  DLOG_ASSERT(src_x + src_w < std::numeric_limits<int16_t>::max() &&
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| -              src_y + src_h < std::numeric_limits<int16_t>::max());
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| -  if (src_w <= 0 || src_h <= 0 || dest_w <= 0 || dest_h <= 0) {
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| -    NOTREACHED() << "Attempting to draw bitmap to/from an empty rect!";
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| -    return;
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| -  }
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| -
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| -  if (!IntersectsClipRectInt(dest_x, dest_y, dest_w, dest_h))
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| -    return;
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| -
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| -  SkRect dest_rect = { SkIntToScalar(dest_x),
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| -                       SkIntToScalar(dest_y),
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| -                       SkIntToScalar(dest_x + dest_w),
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| -                       SkIntToScalar(dest_y + dest_h) };
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| -
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| -  if (src_w == dest_w && src_h == dest_h) {
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| -    // Workaround for apparent bug in Skia that causes image to occasionally
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| -    // shift.
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| -    SkIRect src_rect = { src_x, src_y, src_x + src_w, src_y + src_h };
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| -    drawBitmapRect(bitmap, &src_rect, dest_rect, &paint);
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| -    return;
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| -  }
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| -
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| -  // Make a bitmap shader that contains the bitmap we want to draw. This is
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| -  // basically what SkCanvas.drawBitmap does internally, but it gives us
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| -  // more control over quality and will use the mipmap in the source image if
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| -  // it has one, whereas drawBitmap won't.
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| -  SkShader* shader = SkShader::CreateBitmapShader(bitmap,
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| -                                                  SkShader::kRepeat_TileMode,
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| -                                                  SkShader::kRepeat_TileMode);
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| -  SkMatrix shader_scale;
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| -  shader_scale.setScale(SkFloatToScalar(static_cast<float>(dest_w) / src_w),
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| -                        SkFloatToScalar(static_cast<float>(dest_h) / src_h));
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| -  shader_scale.preTranslate(SkIntToScalar(-src_x), SkIntToScalar(-src_y));
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| -  shader_scale.postTranslate(SkIntToScalar(dest_x), SkIntToScalar(dest_y));
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| -  shader->setLocalMatrix(shader_scale);
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| -
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| -  // Set up our paint to use the shader & release our reference (now just owned
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| -  // by the paint).
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| -  SkPaint p(paint);
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| -  p.setFilterBitmap(filter);
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| -  p.setShader(shader);
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| -  shader->unref();
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| -
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| -  // The rect will be filled by the bitmap.
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| -  drawRect(dest_rect, p);
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| -}
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| -
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| -void Canvas::DrawStringInt(const std::wstring& text,
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| -                           const gfx::Font& font,
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| -                           const SkColor& color,
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| -                           int x, int y, int w, int h) {
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| -  DrawStringInt(text, font, color, x, y, w, h,
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| -                gfx::Canvas::DefaultCanvasTextAlignment());
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| -}
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| -
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| -void Canvas::DrawStringInt(const std::wstring& text,
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| -                           const gfx::Font& font,
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| -                           const SkColor& color,
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| -                           const gfx::Rect& display_rect) {
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| -  DrawStringInt(text, font, color, display_rect.x(), display_rect.y(),
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| -                display_rect.width(), display_rect.height());
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| -}
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| -
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| -void Canvas::TileImageInt(const SkBitmap& bitmap, int x, int y, int w, int h) {
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| -  TileImageInt(bitmap, 0, 0, x, y, w, h);
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| -}
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| -
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| -void Canvas::TileImageInt(const SkBitmap& bitmap, int src_x, int src_y,
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| -                          int dest_x, int dest_y, int w, int h) {
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| -  if (!IntersectsClipRectInt(dest_x, dest_y, w, h))
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| -    return;
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| -
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| -  SkPaint paint;
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| -
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| -  SkShader* shader = SkShader::CreateBitmapShader(bitmap,
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| -                                                  SkShader::kRepeat_TileMode,
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| -                                                  SkShader::kRepeat_TileMode);
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| -  paint.setShader(shader);
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| -  paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
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| -
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| -  // CreateBitmapShader returns a Shader with a reference count of one, we
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| -  // need to unref after paint takes ownership of the shader.
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| -  shader->unref();
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| -  save();
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| -  translate(SkIntToScalar(dest_x - src_x), SkIntToScalar(dest_y - src_y));
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| -  ClipRectInt(src_x, src_y, w, h);
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| -  drawPaint(paint);
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| -  restore();
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| -}
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| -
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| -SkBitmap Canvas::ExtractBitmap() const {
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| -  const SkBitmap& device_bitmap = getDevice()->accessBitmap(false);
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| -
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| -  // Make a bitmap to return, and a canvas to draw into it. We don't just want
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| -  // to call extractSubset or the copy constuctor, since we want an actual copy
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| -  // of the bitmap.
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| -  SkBitmap result;
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| -  device_bitmap.copyTo(&result, SkBitmap::kARGB_8888_Config);
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| -  return result;
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| -}
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| -
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| -// static
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| -int Canvas::DefaultCanvasTextAlignment() {
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| -  if (!base::i18n::IsRTL())
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| -    return gfx::Canvas::TEXT_ALIGN_LEFT;
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| -  return gfx::Canvas::TEXT_ALIGN_RIGHT;
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| -}
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| -
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| -}  // namespace gfx
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| 
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