| // Copyright (c) 2012 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/skia_util.h" |
| |
| #include "base/i18n/char_iterator.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "third_party/skia/include/core/SkColorPriv.h" |
| #include "third_party/skia/include/core/SkShader.h" |
| #include "third_party/skia/include/effects/SkGradientShader.h" |
| #include "ui/gfx/rect.h" |
| |
| namespace gfx { |
| |
| SkRect RectToSkRect(const gfx::Rect& rect) { |
| SkRect r; |
| r.iset(rect.x(), rect.y(), rect.right(), rect.bottom()); |
| return r; |
| } |
| |
| SkIRect RectToSkIRect(const gfx::Rect& rect) { |
| SkIRect r = { rect.x(), rect.y(), rect.right(), rect.bottom() }; |
| return r; |
| } |
| |
| gfx::Rect SkRectToRect(const SkRect& rect) { |
| return gfx::Rect(static_cast<int>(rect.left()), |
| static_cast<int>(rect.top()), |
| static_cast<int>(rect.width()), |
| static_cast<int>(rect.height())); |
| } |
| |
| SkShader* CreateGradientShader(int start_point, |
| int end_point, |
| SkColor start_color, |
| SkColor end_color) { |
| SkColor grad_colors[2] = { start_color, end_color}; |
| SkPoint grad_points[2]; |
| grad_points[0].iset(0, start_point); |
| grad_points[1].iset(0, end_point); |
| |
| return SkGradientShader::CreateLinear( |
| grad_points, grad_colors, NULL, 2, SkShader::kRepeat_TileMode); |
| } |
| |
| bool BitmapsAreEqual(const SkBitmap& bitmap1, const SkBitmap& bitmap2) { |
| void* addr1 = NULL; |
| void* addr2 = NULL; |
| size_t size1 = 0; |
| size_t size2 = 0; |
| |
| bitmap1.lockPixels(); |
| addr1 = bitmap1.getAddr32(0, 0); |
| size1 = bitmap1.getSize(); |
| bitmap1.unlockPixels(); |
| |
| bitmap2.lockPixels(); |
| addr2 = bitmap2.getAddr32(0, 0); |
| size2 = bitmap2.getSize(); |
| bitmap2.unlockPixels(); |
| |
| return (size1 == size2) && (0 == memcmp(addr1, addr2, bitmap1.getSize())); |
| } |
| |
| string16 RemoveAcceleratorChar(const string16& s, |
| char16 accelerator_char, |
| int *accelerated_char_pos, |
| int *accelerated_char_span) { |
| bool escaped = false; |
| int last_char_pos = -1; |
| int last_char_span = 0; |
| base::i18n::UTF16CharIterator chars(&s); |
| string16 accelerator_removed; |
| |
| accelerator_removed.reserve(s.size()); |
| while (!chars.end()) { |
| int32 c = chars.get(); |
| int array_pos = chars.array_pos(); |
| chars.Advance(); |
| |
| if (c != accelerator_char || escaped) { |
| int span = chars.array_pos() - array_pos; |
| if (escaped && c != accelerator_char) { |
| last_char_pos = accelerator_removed.size(); |
| last_char_span = span; |
| } |
| for (int i = 0; i < span; i++) |
| accelerator_removed.push_back(s[array_pos + i]); |
| escaped = false; |
| } else { |
| escaped = true; |
| } |
| } |
| |
| if (accelerated_char_pos) |
| *accelerated_char_pos = last_char_pos; |
| if (accelerated_char_span) |
| *accelerated_char_span = last_char_span; |
| |
| return accelerator_removed; |
| } |
| |
| } // namespace gfx |