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1 /* | 1 /* |
2 * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved. |
3 * Copyright (C) 2013 Google Inc. All rights reserved. | 3 * Copyright (C) 2013 Google Inc. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * | 13 * |
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | 14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | 20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | 21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | 23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
24 * THE POSSIBILITY OF SUCH DAMAGE. | 24 * THE POSSIBILITY OF SUCH DAMAGE. |
25 */ | 25 */ |
26 | 26 |
27 #include "platform/graphics/GraphicsContext.h" | 27 #include "platform/graphics/GraphicsContext.h" |
28 | 28 |
| 29 #include <memory> |
29 #include "platform/geometry/FloatRect.h" | 30 #include "platform/geometry/FloatRect.h" |
30 #include "platform/geometry/FloatRoundedRect.h" | 31 #include "platform/geometry/FloatRoundedRect.h" |
31 #include "platform/geometry/IntRect.h" | 32 #include "platform/geometry/IntRect.h" |
32 #include "platform/graphics/ColorSpace.h" | 33 #include "platform/graphics/ColorSpace.h" |
33 #include "platform/graphics/GraphicsContextStateSaver.h" | 34 #include "platform/graphics/GraphicsContextStateSaver.h" |
34 #include "platform/graphics/ImageBuffer.h" | 35 #include "platform/graphics/ImageBuffer.h" |
35 #include "platform/graphics/Path.h" | 36 #include "platform/graphics/Path.h" |
36 #include "platform/graphics/paint/PaintController.h" | 37 #include "platform/graphics/paint/PaintController.h" |
37 #include "platform/graphics/paint/PaintRecord.h" | 38 #include "platform/graphics/paint/PaintRecord.h" |
38 #include "platform/graphics/paint/PaintRecorder.h" | 39 #include "platform/graphics/paint/PaintRecorder.h" |
39 #include "platform/instrumentation/tracing/TraceEvent.h" | 40 #include "platform/instrumentation/tracing/TraceEvent.h" |
40 #include "platform/weborigin/KURL.h" | 41 #include "platform/weborigin/KURL.h" |
41 #include "skia/ext/platform_canvas.h" | 42 #include "skia/ext/platform_canvas.h" |
42 #include "third_party/skia/include/core/SkAnnotation.h" | 43 #include "third_party/skia/include/core/SkAnnotation.h" |
43 #include "third_party/skia/include/core/SkColorFilter.h" | 44 #include "third_party/skia/include/core/SkColorFilter.h" |
44 #include "third_party/skia/include/core/SkData.h" | 45 #include "third_party/skia/include/core/SkData.h" |
45 #include "third_party/skia/include/core/SkRRect.h" | 46 #include "third_party/skia/include/core/SkRRect.h" |
46 #include "third_party/skia/include/core/SkRefCnt.h" | 47 #include "third_party/skia/include/core/SkRefCnt.h" |
47 #include "third_party/skia/include/core/SkUnPreMultiply.h" | 48 #include "third_party/skia/include/core/SkUnPreMultiply.h" |
48 #include "third_party/skia/include/effects/SkGradientShader.h" | 49 #include "third_party/skia/include/effects/SkGradientShader.h" |
49 #include "third_party/skia/include/effects/SkLumaColorFilter.h" | 50 #include "third_party/skia/include/effects/SkLumaColorFilter.h" |
50 #include "third_party/skia/include/effects/SkPictureImageFilter.h" | 51 #include "third_party/skia/include/effects/SkPictureImageFilter.h" |
51 #include "third_party/skia/include/pathops/SkPathOps.h" | 52 #include "third_party/skia/include/pathops/SkPathOps.h" |
52 #include "third_party/skia/include/utils/SkNullCanvas.h" | 53 #include "third_party/skia/include/utils/SkNullCanvas.h" |
53 #include "wtf/Assertions.h" | 54 #include "wtf/Assertions.h" |
54 #include "wtf/MathExtras.h" | 55 #include "wtf/MathExtras.h" |
55 #include <memory> | |
56 | 56 |
57 namespace blink { | 57 namespace blink { |
58 | 58 |
59 GraphicsContext::GraphicsContext(PaintController& paintController, | 59 GraphicsContext::GraphicsContext(PaintController& paintController, |
60 DisabledMode disableContextOrPainting, | 60 DisabledMode disableContextOrPainting, |
61 SkMetaData* metaData, | 61 SkMetaData* metaData, |
62 ColorBehavior colorBehavior) | 62 ColorBehavior colorBehavior) |
63 : m_canvas(nullptr), | 63 : m_canvas(nullptr), |
64 m_paintController(paintController), | 64 m_paintController(paintController), |
65 m_paintStateStack(), | 65 m_paintStateStack(), |
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529 m_canvas->drawLine(p1.x(), p1.y(), p2.x(), p2.y(), flags); | 529 m_canvas->drawLine(p1.x(), p1.y(), p2.x(), p2.y(), flags); |
530 } | 530 } |
531 | 531 |
532 namespace { | 532 namespace { |
533 | 533 |
534 #if !OS(MACOSX) | 534 #if !OS(MACOSX) |
535 | 535 |
536 sk_sp<PaintRecord> recordMarker( | 536 sk_sp<PaintRecord> recordMarker( |
537 GraphicsContext::DocumentMarkerLineStyle style) { | 537 GraphicsContext::DocumentMarkerLineStyle style) { |
538 SkColor color = (style == GraphicsContext::DocumentMarkerGrammarLineStyle) | 538 SkColor color = (style == GraphicsContext::DocumentMarkerGrammarLineStyle) |
539 ? SkColorSetRGB(0xC0, 0xC0, 0xC0) | 539 ? SkColorSetRGB(0xC0, 0xC0, 0xC0) |
540 : SK_ColorRED; | 540 : SK_ColorRED; |
541 | 541 |
542 // Record the path equivalent to this legacy pattern: | 542 // Record the path equivalent to this legacy pattern: |
543 // X o o X o o X | 543 // X o o X o o X |
544 // o X o o X o | 544 // o X o o X o |
545 | 545 |
546 static const float kW = 4; | 546 static const float kW = 4; |
547 static const float kH = 2; | 547 static const float kH = 2; |
548 | 548 |
549 // Adjust the phase such that f' == 0 is "pixel"-centered | 549 // Adjust the phase such that f' == 0 is "pixel"-centered |
550 // (for optimal rasterization at native rez). | 550 // (for optimal rasterization at native rez). |
551 SkPath path; | 551 SkPath path; |
552 path.moveTo(kW * -3 / 8, kH * 3 / 4); | 552 path.moveTo(kW * -3 / 8, kH * 3 / 4); |
553 path.cubicTo(kW * -1 / 8, kH * 3 / 4, | 553 path.cubicTo(kW * -1 / 8, kH * 3 / 4, kW * -1 / 8, kH * 1 / 4, kW * 1 / 8, |
554 kW * -1 / 8, kH * 1 / 4, | 554 kH * 1 / 4); |
555 kW * 1 / 8, kH * 1 / 4); | 555 path.cubicTo(kW * 3 / 8, kH * 1 / 4, kW * 3 / 8, kH * 3 / 4, kW * 5 / 8, |
556 path.cubicTo(kW * 3 / 8, kH * 1 / 4, | 556 kH * 3 / 4); |
557 kW * 3 / 8, kH * 3 / 4, | 557 path.cubicTo(kW * 7 / 8, kH * 3 / 4, kW * 7 / 8, kH * 1 / 4, kW * 9 / 8, |
558 kW * 5 / 8, kH * 3 / 4); | 558 kH * 1 / 4); |
559 path.cubicTo(kW * 7 / 8, kH * 3 / 4, | |
560 kW * 7 / 8, kH * 1 / 4, | |
561 kW * 9 / 8, kH * 1 / 4); | |
562 | 559 |
563 PaintFlags flags; | 560 PaintFlags flags; |
564 flags.setAntiAlias(true); | 561 flags.setAntiAlias(true); |
565 flags.setColor(color); | 562 flags.setColor(color); |
566 flags.setStyle(SkPaint::kStroke_Style); | 563 flags.setStyle(SkPaint::kStroke_Style); |
567 flags.setStrokeWidth(kH * 1 / 2); | 564 flags.setStrokeWidth(kH * 1 / 2); |
568 | 565 |
569 PaintRecorder recorder; | 566 PaintRecorder recorder; |
570 recorder.beginRecording(kW, kH); | 567 recorder.beginRecording(kW, kH); |
571 recorder.getRecordingCanvas()->drawPath(path, flags); | 568 recorder.getRecordingCanvas()->drawPath(path, flags); |
572 | 569 |
573 return recorder.finishRecordingAsPicture(); | 570 return recorder.finishRecordingAsPicture(); |
574 } | 571 } |
575 | 572 |
576 #else // OS(MACOSX) | 573 #else // OS(MACOSX) |
577 | 574 |
578 sk_sp<PaintRecord> recordMarker( | 575 sk_sp<PaintRecord> recordMarker( |
579 GraphicsContext::DocumentMarkerLineStyle style) { | 576 GraphicsContext::DocumentMarkerLineStyle style) { |
580 SkColor color = (style == GraphicsContext::DocumentMarkerGrammarLineStyle) | 577 SkColor color = (style == GraphicsContext::DocumentMarkerGrammarLineStyle) |
581 ? SkColorSetRGB(0x6B, 0x6B, 0x6B) | 578 ? SkColorSetRGB(0x6B, 0x6B, 0x6B) |
582 : SkColorSetRGB(0xFB, 0x2D, 0x1D); | 579 : SkColorSetRGB(0xFB, 0x2D, 0x1D); |
583 | 580 |
584 // Match the artwork used by the Mac. | 581 // Match the artwork used by the Mac. |
585 static const float kW = 4; | 582 static const float kW = 4; |
586 static const float kH = 3; | 583 static const float kH = 3; |
587 static const float kR = 1.5f; | 584 static const float kR = 1.5f; |
588 | 585 |
589 // top->bottom translucent gradient. | 586 // top->bottom translucent gradient. |
590 const SkColor colors[2] = { | 587 const SkColor colors[2] = { |
591 SkColorSetARGB(0x48, | 588 SkColorSetARGB(0x48, SkColorGetR(color), SkColorGetG(color), |
592 SkColorGetR(color), | |
593 SkColorGetG(color), | |
594 SkColorGetB(color)), | 589 SkColorGetB(color)), |
595 color | 590 color}; |
596 }; | 591 const SkPoint pts[2] = {SkPoint::Make(0, 0), SkPoint::Make(0, 2 * kR)}; |
597 const SkPoint pts[2] = { | |
598 SkPoint::Make(0, 0), | |
599 SkPoint::Make(0, 2 * kR) | |
600 }; | |
601 | 592 |
602 PaintFlags flags; | 593 PaintFlags flags; |
603 flags.setAntiAlias(true); | 594 flags.setAntiAlias(true); |
604 flags.setColor(color); | 595 flags.setColor(color); |
605 flags.setShader(SkGradientShader::MakeLinear( | 596 flags.setShader(SkGradientShader::MakeLinear( |
606 pts, colors, nullptr, ARRAY_SIZE(colors), SkShader::kClamp_TileMode)); | 597 pts, colors, nullptr, ARRAY_SIZE(colors), SkShader::kClamp_TileMode)); |
607 PaintRecorder recorder; | 598 PaintRecorder recorder; |
608 recorder.beginRecording(kW, kH); | 599 recorder.beginRecording(kW, kH); |
609 recorder.getRecordingCanvas()->drawCircle(kR, kR, kR, flags); | 600 recorder.getRecordingCanvas()->drawCircle(kR, kR, kR, flags); |
610 | 601 |
611 return recorder.finishRecordingAsPicture(); | 602 return recorder.finishRecordingAsPicture(); |
612 } | 603 } |
613 | 604 |
614 #endif // OS(MACOSX) | 605 #endif // OS(MACOSX) |
615 | 606 |
616 } // anonymous ns | 607 } // anonymous ns |
617 | 608 |
618 void GraphicsContext::drawLineForDocumentMarker(const FloatPoint& pt, | 609 void GraphicsContext::drawLineForDocumentMarker(const FloatPoint& pt, |
619 float width, | 610 float width, |
620 DocumentMarkerLineStyle style, | 611 DocumentMarkerLineStyle style, |
621 float zoom) { | 612 float zoom) { |
622 if (contextDisabled()) | 613 if (contextDisabled()) |
623 return; | 614 return; |
624 | 615 |
625 DEFINE_STATIC_LOCAL( | 616 DEFINE_STATIC_LOCAL( |
626 PaintRecord*, spellingMarker, | 617 PaintRecord*, spellingMarker, |
627 (recordMarker(DocumentMarkerSpellingLineStyle).release())); | 618 (recordMarker(DocumentMarkerSpellingLineStyle).release())); |
628 DEFINE_STATIC_LOCAL(PaintRecord*, grammarMarker, | 619 DEFINE_STATIC_LOCAL(PaintRecord*, grammarMarker, |
629 (recordMarker(DocumentMarkerGrammarLineStyle).release())); | 620 (recordMarker(DocumentMarkerGrammarLineStyle).release())); |
630 const auto& marker = style == DocumentMarkerSpellingLineStyle | 621 const auto& marker = |
631 ? spellingMarker | 622 style == DocumentMarkerSpellingLineStyle ? spellingMarker : grammarMarker; |
632 : grammarMarker; | |
633 | 623 |
634 // Position already includes zoom and device scale factor. | 624 // Position already includes zoom and device scale factor. |
635 SkScalar originX = WebCoreFloatToSkScalar(pt.x()); | 625 SkScalar originX = WebCoreFloatToSkScalar(pt.x()); |
636 SkScalar originY = WebCoreFloatToSkScalar(pt.y()); | 626 SkScalar originY = WebCoreFloatToSkScalar(pt.y()); |
637 | 627 |
638 #if OS(MACOSX) | 628 #if OS(MACOSX) |
639 // Make sure to draw only complete dots, and finish inside the marked text. | 629 // Make sure to draw only complete dots, and finish inside the marked text. |
640 width -= fmodf(width, marker->cullRect().width() * zoom); | 630 width -= fmodf(width, marker->cullRect().width() * zoom); |
641 #else | 631 #else |
642 // Offset it vertically by 1 so that there's some space under the text. | 632 // Offset it vertically by 1 so that there's some space under the text. |
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1339 break; | 1329 break; |
1340 default: | 1330 default: |
1341 NOTREACHED(); | 1331 NOTREACHED(); |
1342 break; | 1332 break; |
1343 } | 1333 } |
1344 | 1334 |
1345 return nullptr; | 1335 return nullptr; |
1346 } | 1336 } |
1347 | 1337 |
1348 } // namespace blink | 1338 } // namespace blink |
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