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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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421 } | 421 } |
422 dst += rowBytes; | 422 dst += rowBytes; |
423 } | 423 } |
424 } | 424 } |
425 | 425 |
426 template<bool APPLY_PREBLEND> | 426 template<bool APPLY_PREBLEND> |
427 static void pack4xHToLCD16(const SkBitmap& src, const SkMask& dst, | 427 static void pack4xHToLCD16(const SkBitmap& src, const SkMask& dst, |
428 const SkMaskGamma::PreBlend& maskPreBlend) { | 428 const SkMaskGamma::PreBlend& maskPreBlend) { |
429 #define SAMPLES_PER_PIXEL 4 | 429 #define SAMPLES_PER_PIXEL 4 |
430 #define LCD_PER_PIXEL 3 | 430 #define LCD_PER_PIXEL 3 |
431 SkASSERT(SkBitmap::kA8_Config == src.config()); | 431 SkASSERT(kAlpha_8_SkColorType == src.colorType()); |
432 SkASSERT(SkMask::kLCD16_Format == dst.fFormat); | 432 SkASSERT(SkMask::kLCD16_Format == dst.fFormat); |
433 | 433 |
434 const int sample_width = src.width(); | 434 const int sample_width = src.width(); |
435 const int height = src.height(); | 435 const int height = src.height(); |
436 | 436 |
437 uint16_t* dstP = (uint16_t*)dst.fImage; | 437 uint16_t* dstP = (uint16_t*)dst.fImage; |
438 size_t dstRB = dst.fRowBytes; | 438 size_t dstRB = dst.fRowBytes; |
439 // An N tap FIR is defined by | 439 // An N tap FIR is defined by |
440 // out[n] = coeff[0]*x[n] + coeff[1]*x[n-1] + ... + coeff[N]*x[n-N] | 440 // out[n] = coeff[0]*x[n] + coeff[1]*x[n-1] + ... + coeff[N]*x[n-N] |
441 // or | 441 // or |
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495 #endif | 495 #endif |
496 dstP[pixel_x] = SkPack888ToRGB16(r, g, b); | 496 dstP[pixel_x] = SkPack888ToRGB16(r, g, b); |
497 } | 497 } |
498 dstP = (uint16_t*)((char*)dstP + dstRB); | 498 dstP = (uint16_t*)((char*)dstP + dstRB); |
499 } | 499 } |
500 } | 500 } |
501 | 501 |
502 template<bool APPLY_PREBLEND> | 502 template<bool APPLY_PREBLEND> |
503 static void pack4xHToLCD32(const SkBitmap& src, const SkMask& dst, | 503 static void pack4xHToLCD32(const SkBitmap& src, const SkMask& dst, |
504 const SkMaskGamma::PreBlend& maskPreBlend) { | 504 const SkMaskGamma::PreBlend& maskPreBlend) { |
505 SkASSERT(SkBitmap::kA8_Config == src.config()); | 505 SkASSERT(kAlpha_8_SkColorType == src.colorType()); |
506 SkASSERT(SkMask::kLCD32_Format == dst.fFormat); | 506 SkASSERT(SkMask::kLCD32_Format == dst.fFormat); |
507 | 507 |
508 const int width = dst.fBounds.width(); | 508 const int width = dst.fBounds.width(); |
509 const int height = dst.fBounds.height(); | 509 const int height = dst.fBounds.height(); |
510 SkPMColor* dstP = (SkPMColor*)dst.fImage; | 510 SkPMColor* dstP = (SkPMColor*)dst.fImage; |
511 size_t dstRB = dst.fRowBytes; | 511 size_t dstRB = dst.fRowBytes; |
512 | 512 |
513 for (int y = 0; y < height; ++y) { | 513 for (int y = 0; y < height; ++y) { |
514 const uint8_t* srcP = src.getAddr8(0, y); | 514 const uint8_t* srcP = src.getAddr8(0, y); |
515 | 515 |
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981 SkScalerContext* SkTypeface::createScalerContext(const SkDescriptor* desc, | 981 SkScalerContext* SkTypeface::createScalerContext(const SkDescriptor* desc, |
982 bool allowFailure) const { | 982 bool allowFailure) const { |
983 SkScalerContext* c = this->onCreateScalerContext(desc); | 983 SkScalerContext* c = this->onCreateScalerContext(desc); |
984 | 984 |
985 if (!c && !allowFailure) { | 985 if (!c && !allowFailure) { |
986 c = SkNEW_ARGS(SkScalerContext_Empty, | 986 c = SkNEW_ARGS(SkScalerContext_Empty, |
987 (const_cast<SkTypeface*>(this), desc)); | 987 (const_cast<SkTypeface*>(this), desc)); |
988 } | 988 } |
989 return c; | 989 return c; |
990 } | 990 } |
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