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Side by Side Diff: src/core/SkScalerContext.cpp

Issue 302053002: Revert of setConfig -> setInfo (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 6 years, 6 months ago
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1 1
2 /* 2 /*
3 * Copyright 2006 The Android Open Source Project 3 * Copyright 2006 The Android Open Source Project
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #include "SkScalerContext.h" 10 #include "SkScalerContext.h"
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577 int srcW = mask.fBounds.width(); 577 int srcW = mask.fBounds.width();
578 int srcH = mask.fBounds.height(); 578 int srcH = mask.fBounds.height();
579 int dstW = srcW; 579 int dstW = srcW;
580 int dstH = srcH; 580 int dstH = srcH;
581 int dstRB = mask.fRowBytes; 581 int dstRB = mask.fRowBytes;
582 582
583 SkMatrix matrix; 583 SkMatrix matrix;
584 matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft), 584 matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft),
585 -SkIntToScalar(mask.fBounds.fTop)); 585 -SkIntToScalar(mask.fBounds.fTop));
586 586
587 SkBitmap::Config config = SkBitmap::kA8_Config;
587 paint.setAntiAlias(SkMask::kBW_Format != mask.fFormat); 588 paint.setAntiAlias(SkMask::kBW_Format != mask.fFormat);
588 switch (mask.fFormat) { 589 switch (mask.fFormat) {
589 case SkMask::kBW_Format: 590 case SkMask::kBW_Format:
590 dstRB = 0; // signals we need a copy 591 dstRB = 0; // signals we need a copy
591 break; 592 break;
592 case SkMask::kA8_Format: 593 case SkMask::kA8_Format:
593 break; 594 break;
594 case SkMask::kLCD16_Format: 595 case SkMask::kLCD16_Format:
595 case SkMask::kLCD32_Format: 596 case SkMask::kLCD32_Format:
596 // TODO: trigger off LCD orientation 597 // TODO: trigger off LCD orientation
597 dstW = 4*dstW - 8; 598 dstW = 4*dstW - 8;
598 matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft + 1), 599 matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft + 1),
599 -SkIntToScalar(mask.fBounds.fTop)); 600 -SkIntToScalar(mask.fBounds.fTop));
600 matrix.postScale(SkIntToScalar(4), SK_Scalar1); 601 matrix.postScale(SkIntToScalar(4), SK_Scalar1);
601 dstRB = 0; // signals we need a copy 602 dstRB = 0; // signals we need a copy
602 break; 603 break;
603 default: 604 default:
604 SkDEBUGFAIL("unexpected mask format"); 605 SkDEBUGFAIL("unexpected mask format");
605 } 606 }
606 607
607 SkRasterClip clip; 608 SkRasterClip clip;
608 clip.setRect(SkIRect::MakeWH(dstW, dstH)); 609 clip.setRect(SkIRect::MakeWH(dstW, dstH));
609 610
610 const SkImageInfo info = SkImageInfo::MakeA8(dstW, dstH);
611 SkBitmap bm; 611 SkBitmap bm;
612 bm.setConfig(config, dstW, dstH, dstRB);
612 613
613 if (0 == dstRB) { 614 if (0 == dstRB) {
614 if (!bm.allocPixels(info)) { 615 if (!bm.allocPixels()) {
615 // can't allocate offscreen, so empty the mask and return 616 // can't allocate offscreen, so empty the mask and return
616 sk_bzero(mask.fImage, mask.computeImageSize()); 617 sk_bzero(mask.fImage, mask.computeImageSize());
617 return; 618 return;
618 } 619 }
620 bm.lockPixels();
619 } else { 621 } else {
620 bm.installPixels(info, mask.fImage, dstRB); 622 bm.setPixels(mask.fImage);
621 } 623 }
622 sk_bzero(bm.getPixels(), bm.getSafeSize()); 624 sk_bzero(bm.getPixels(), bm.getSafeSize());
623 625
624 SkDraw draw; 626 SkDraw draw;
625 draw.fRC = &clip; 627 draw.fRC = &clip;
626 draw.fClip = &clip.bwRgn(); 628 draw.fClip = &clip.bwRgn();
627 draw.fMatrix = &matrix; 629 draw.fMatrix = &matrix;
628 draw.fBitmap = &bm; 630 draw.fBitmap = &bm;
629 draw.drawPath(path, paint); 631 draw.drawPath(path, paint);
630 632
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980 SkScalerContext* SkTypeface::createScalerContext(const SkDescriptor* desc, 982 SkScalerContext* SkTypeface::createScalerContext(const SkDescriptor* desc,
981 bool allowFailure) const { 983 bool allowFailure) const {
982 SkScalerContext* c = this->onCreateScalerContext(desc); 984 SkScalerContext* c = this->onCreateScalerContext(desc);
983 985
984 if (!c && !allowFailure) { 986 if (!c && !allowFailure) {
985 c = SkNEW_ARGS(SkScalerContext_Empty, 987 c = SkNEW_ARGS(SkScalerContext_Empty,
986 (const_cast<SkTypeface*>(this), desc)); 988 (const_cast<SkTypeface*>(this), desc));
987 } 989 }
988 return c; 990 return c;
989 } 991 }
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