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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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