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Unified Diff: src/core/SkBlitter_A1.cpp

Issue 86483002: Revert "Revert "remove kA1_Config, as it is no longer supported"" (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: add change to picture version Created 7 years, 1 month ago
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Index: src/core/SkBlitter_A1.cpp
diff --git a/src/core/SkBlitter_A1.cpp b/src/core/SkBlitter_A1.cpp
deleted file mode 100644
index b64afe2ae98e037eefd73c8305d79866528ae74f..0000000000000000000000000000000000000000
--- a/src/core/SkBlitter_A1.cpp
+++ /dev/null
@@ -1,50 +0,0 @@
-
-/*
- * Copyright 2006 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#include "SkCoreBlitters.h"
-
-SkA1_Blitter::SkA1_Blitter(const SkBitmap& device, const SkPaint& paint)
- : INHERITED(device) {
- fSrcA = paint.getAlpha();
-}
-
-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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