| 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;
|
| - }
|
| -}
|
| -
|
|
|