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Unified Diff: skia/sgl/SkBlitter_A1.cpp

Issue 113827: Remove the remainder of the skia source code from the Chromium repo.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 11 years, 7 months ago
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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;
- }
-}
-
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