Index: skia/sgl/SkBlitter_A1.cpp |
=================================================================== |
--- skia/sgl/SkBlitter_A1.cpp (revision 16859) |
+++ skia/sgl/SkBlitter_A1.cpp (working copy) |
@@ -1,63 +0,0 @@ |
-/* libs/graphics/sgl/SkBlitter_A1.cpp |
-** |
-** Copyright 2006, The Android Open Source Project |
-** |
-** Licensed under the Apache License, Version 2.0 (the "License"); |
-** you may not use this file except in compliance with the License. |
-** You may obtain a copy of the License at |
-** |
-** http://www.apache.org/licenses/LICENSE-2.0 |
-** |
-** Unless required by applicable law or agreed to in writing, software |
-** distributed under the License is distributed on an "AS IS" BASIS, |
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
-** See the License for the specific language governing permissions and |
-** limitations under the License. |
-*/ |
- |
-#include "SkCoreBlitters.h" |
- |
-SkA1_Blitter::SkA1_Blitter(const SkBitmap& device, const SkPaint& paint) |
- : INHERITED(device) |
-{ |
- fSrcA = SkToU8(SkColorGetA(paint.getColor())); |
-} |
- |
-void SkA1_Blitter::blitH(int x, int y, int width) |
-{ |
- SkASSERT(x >= 0 && y >= 0 && (unsigned)(x + width) <= (unsigned)fDevice.width()); |
- |
- if (fSrcA <= 0x7F) |
- return; |
- |
- uint8_t* dst = fDevice.getAddr1(x, y); |
- int right = x + width; |
- |
- int left_mask = 0xFF >> (x & 7); |
- int rite_mask = 0xFF << (8 - (right & 7)); |
- int full_runs = (right >> 3) - ((x + 7) >> 3); |
- |
- // check for empty right mask, so we don't read off the end (or go slower than we need to) |
- if (rite_mask == 0) |
- { |
- SkASSERT(full_runs >= 0); |
- full_runs -= 1; |
- rite_mask = 0xFF; |
- } |
- if (left_mask == 0xFF) |
- full_runs -= 1; |
- |
- if (full_runs < 0) |
- { |
- SkASSERT((left_mask & rite_mask) != 0); |
- *dst |= (left_mask & rite_mask); |
- } |
- else |
- { |
- *dst++ |= left_mask; |
- memset(dst, 0xFF, full_runs); |
- dst += full_runs; |
- *dst |= rite_mask; |
- } |
-} |
- |