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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/gfx/canvas_skia.h" | 5 #include "ui/gfx/canvas_skia.h" |
| 6 | 6 |
| 7 #include <limits> | 7 #include <limits> |
| 8 | 8 |
| 9 #include "base/i18n/rtl.h" | 9 #include "base/i18n/rtl.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
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| 408 const SkColor& text_color, | 408 const SkColor& text_color, |
| 409 const SkColor& halo_color_in, | 409 const SkColor& halo_color_in, |
| 410 int x, int y, int w, int h, | 410 int x, int y, int w, int h, |
| 411 int flags) { | 411 int flags) { |
| 412 // Some callers will have semitransparent halo colors, which we don't handle | 412 // Some callers will have semitransparent halo colors, which we don't handle |
| 413 // (since the resulting image can have 1-bit transparency only). | 413 // (since the resulting image can have 1-bit transparency only). |
| 414 SkColor halo_color = halo_color_in | 0xFF000000; | 414 SkColor halo_color = halo_color_in | 0xFF000000; |
| 415 | 415 |
| 416 // Create a temporary buffer filled with the halo color. It must leave room | 416 // Create a temporary buffer filled with the halo color. It must leave room |
| 417 // for the 1-pixel border around the text. | 417 // for the 1-pixel border around the text. |
| 418 CanvasSkia text_canvas(w + 2, h + 2, true); | 418 CanvasSkia text_canvas(w + 2, h + 2, true); |
|
Peter Kasting
2011/11/05 01:10:10
Nit: We could probably create a rect with this siz
tfarina
2011/11/05 02:23:24
Done.
| |
| 419 SkPaint bkgnd_paint; | 419 SkPaint bkgnd_paint; |
| 420 bkgnd_paint.setColor(halo_color); | 420 bkgnd_paint.setColor(halo_color); |
| 421 text_canvas.DrawRectInt(0, 0, w + 2, h + 2, bkgnd_paint); | 421 text_canvas.DrawRect(gfx::Rect(0, 0, w + 2, h + 2), bkgnd_paint); |
| 422 | 422 |
| 423 // Draw the text into the temporary buffer. This will have correct | 423 // Draw the text into the temporary buffer. This will have correct |
| 424 // ClearType since the background color is the same as the halo color. | 424 // ClearType since the background color is the same as the halo color. |
| 425 text_canvas.DrawStringInt(text, font, text_color, 1, 1, w, h, flags); | 425 text_canvas.DrawStringInt(text, font, text_color, 1, 1, w, h, flags); |
| 426 | 426 |
| 427 // Windows will have cleared the alpha channel for the pixels it drew. Make it | 427 // Windows will have cleared the alpha channel for the pixels it drew. Make it |
| 428 // opaque. We have to do this first since pixelShouldGetHalo will check for | 428 // opaque. We have to do this first since pixelShouldGetHalo will check for |
| 429 // 0 to see if a pixel has been modified to transparent, and black text that | 429 // 0 to see if a pixel has been modified to transparent, and black text that |
| 430 // Windows draw will look transparent to it! | 430 // Windows draw will look transparent to it! |
| 431 skia::MakeOpaque(text_canvas.sk_canvas(), 0, 0, w + 2, h + 2); | 431 skia::MakeOpaque(text_canvas.sk_canvas(), 0, 0, w + 2, h + 2); |
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| 572 ClipRect(solid_part); | 572 ClipRect(solid_part); |
| 573 DrawStringInt(text, font, color, | 573 DrawStringInt(text, font, color, |
| 574 text_rect.x(), text_rect.y(), | 574 text_rect.x(), text_rect.y(), |
| 575 text_rect.width(), text_rect.height(), | 575 text_rect.width(), text_rect.height(), |
| 576 flags); | 576 flags); |
| 577 canvas_->restore(); | 577 canvas_->restore(); |
| 578 canvas_->restore(); | 578 canvas_->restore(); |
| 579 } | 579 } |
| 580 | 580 |
| 581 } // namespace gfx | 581 } // namespace gfx |
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