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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 <algorithm> | 5 #include <algorithm> |
6 #include <limits> | 6 #include <limits> |
7 | 7 |
8 #include "base/debug/trace_event.h" | 8 #include "base/debug/trace_event.h" |
9 #include "cc/base/region.h" | 9 #include "cc/base/region.h" |
10 #include "cc/debug/debug_colors.h" | 10 #include "cc/debug/debug_colors.h" |
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369 layer_rect.Intersect(gfx::Rect(tiling_.total_size())); | 369 layer_rect.Intersect(gfx::Rect(tiling_.total_size())); |
370 | 370 |
371 skia::AnalysisCanvas canvas(layer_rect.width(), layer_rect.height()); | 371 skia::AnalysisCanvas canvas(layer_rect.width(), layer_rect.height()); |
372 | 372 |
373 RasterForAnalysis(&canvas, layer_rect, 1.0f, stats_instrumentation); | 373 RasterForAnalysis(&canvas, layer_rect, 1.0f, stats_instrumentation); |
374 | 374 |
375 analysis->is_solid_color = canvas.GetColorIfSolid(&analysis->solid_color); | 375 analysis->is_solid_color = canvas.GetColorIfSolid(&analysis->solid_color); |
376 analysis->has_text = canvas.HasText(); | 376 analysis->has_text = canvas.HasText(); |
377 } | 377 } |
378 | 378 |
379 PicturePileImpl::Analysis::Analysis() | 379 // Since there are situations when we can skip analysis, the variables have to |
380 : is_solid_color(false), | 380 // be set to their safest values. That is, we have to assume that the tile is |
381 has_text(false) { | 381 // not solid color. As well, we have to assume that the tile has text so we |
382 } | 382 // don't early out incorrectly. |
| 383 PicturePileImpl::Analysis::Analysis() : is_solid_color(false), has_text(true) {} |
383 | 384 |
384 PicturePileImpl::Analysis::~Analysis() { | 385 PicturePileImpl::Analysis::~Analysis() { |
385 } | 386 } |
386 | 387 |
387 PicturePileImpl::PixelRefIterator::PixelRefIterator( | 388 PicturePileImpl::PixelRefIterator::PixelRefIterator( |
388 const gfx::Rect& content_rect, | 389 const gfx::Rect& content_rect, |
389 float contents_scale, | 390 float contents_scale, |
390 const PicturePileImpl* picture_pile) | 391 const PicturePileImpl* picture_pile) |
391 : picture_pile_(picture_pile), | 392 : picture_pile_(picture_pile), |
392 layer_rect_( | 393 layer_rect_( |
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442 ++it) { | 443 ++it) { |
443 Picture* picture = it->second.GetPicture(); | 444 Picture* picture = it->second.GetPicture(); |
444 if (picture && (processed_pictures.count(picture) == 0)) { | 445 if (picture && (processed_pictures.count(picture) == 0)) { |
445 picture->EmitTraceSnapshot(); | 446 picture->EmitTraceSnapshot(); |
446 processed_pictures.insert(picture); | 447 processed_pictures.insert(picture); |
447 } | 448 } |
448 } | 449 } |
449 } | 450 } |
450 | 451 |
451 } // namespace cc | 452 } // namespace cc |
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