Revert "Revert "remove kA1_Config, as it is no longer supported""
This reverts commit 36d712f2d4c5c79719280ad95523e6aaa88b068e.
BUG=
R=rmistry@google.com, mtklein@google.com
Author: reed@google.com
Review URL: https://codereview.chromium.org/86483002
git-svn-id: http://skia.googlecode.com/svn/trunk/src@12392 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/animator/SkDrawBitmap.cpp b/animator/SkDrawBitmap.cpp
index 568401d..327e813 100644
--- a/animator/SkDrawBitmap.cpp
+++ b/animator/SkDrawBitmap.cpp
@@ -75,11 +75,10 @@
const char* formatName;
switch (format) {
case 0: formatName = "none"; break;
- case 1: formatName = "A1"; break;
- case 2: formatName = "A8"; break;
- case 3: formatName = "Index8"; break;
- case 4: formatName = "RGB16"; break;
- case 5: formatName = "RGB32"; break;
+ case 1: formatName = "A8"; break;
+ case 2: formatName = "Index8"; break;
+ case 3: formatName = "RGB16"; break;
+ case 4: formatName = "RGB32"; break;
}
SkDebugf("format=\"%s\" />\n", formatName);
}
diff --git a/core/SkBitmap.cpp b/core/SkBitmap.cpp
index 429d092..9d4aa87 100644
--- a/core/SkBitmap.cpp
+++ b/core/SkBitmap.cpp
@@ -161,7 +161,6 @@
int bpp;
switch (config) {
case kNo_Config:
- case kA1_Config:
bpp = 0; // not applicable
break;
case kA8_Config:
@@ -194,11 +193,6 @@
switch (c) {
case kNo_Config:
break;
- case kA1_Config:
- rowBytes.set(width);
- rowBytes.add(7);
- rowBytes.shiftRight(3);
- break;
case kA8_Config:
case kIndex8_Config:
rowBytes.set(width);
@@ -275,7 +269,6 @@
case SkBitmap::kNo_Config:
alphaType = kIgnore_SkAlphaType;
break;
- case SkBitmap::kA1_Config:
case SkBitmap::kA8_Config:
if (kUnpremul_SkAlphaType == alphaType) {
alphaType = kPremul_SkAlphaType;
@@ -291,6 +284,8 @@
case SkBitmap::kRGB_565_Config:
alphaType = kOpaque_SkAlphaType;
break;
+ default:
+ return false;
}
if (canonical) {
*canonical = alphaType;
@@ -606,8 +601,6 @@
case SkBitmap::kIndex8_Config:
base += x;
break;
- case SkBitmap::kA1_Config:
- base += x >> 3;
break;
default:
SkDEBUGFAIL("Can't return addr for config");
@@ -623,15 +616,6 @@
SkASSERT((unsigned)y < (unsigned)this->height());
switch (this->config()) {
- case SkBitmap::kA1_Config: {
- uint8_t* addr = this->getAddr1(x, y);
- uint8_t mask = 1 << (7 - (x % 8));
- if (addr[0] & mask) {
- return SK_ColorBLACK;
- } else {
- return 0;
- }
- }
case SkBitmap::kA8_Config: {
uint8_t* addr = this->getAddr8(x, y);
return SkColorSetA(0, addr[0]);
@@ -654,6 +638,7 @@
return SkUnPreMultiply::PMColorToColor(addr[0]);
}
case kNo_Config:
+ default:
SkASSERT(false);
return 0;
}
@@ -671,9 +656,6 @@
const int width = bm.width();
switch (bm.config()) {
- case SkBitmap::kA1_Config: {
- // TODO
- } break;
case SkBitmap::kA8_Config: {
unsigned a = 0xFF;
for (int y = 0; y < height; ++y) {
@@ -779,38 +761,6 @@
}
switch (fConfig) {
- case kA1_Config: {
- uint8_t* p = this->getAddr1(area.fLeft, area.fTop);
- const int left = area.fLeft >> 3;
- const int right = area.fRight >> 3;
-
- int middle = right - left - 1;
-
- uint8_t leftMask = 0xFF >> (area.fLeft & 7);
- uint8_t rightMask = ~(0xFF >> (area.fRight & 7));
- if (left == right) {
- leftMask &= rightMask;
- rightMask = 0;
- }
-
- a = (a >> 7) ? 0xFF : 0;
- while (--height >= 0) {
- uint8_t* startP = p;
-
- *p = (*p & ~leftMask) | (a & leftMask);
- p++;
- if (middle > 0) {
- memset(p, a, middle);
- p += middle;
- }
- if (rightMask) {
- *p = (*p & ~rightMask) | (a & rightMask);
- }
-
- p = startP + rowBytes;
- }
- break;
- }
case kA8_Config: {
uint8_t* p = this->getAddr8(area.fLeft, area.fTop);
while (--height >= 0) {
@@ -896,7 +846,6 @@
break;
case SkBitmap::kNo_Config:
- case SkBitmap::kA1_Config:
default:
return SUB_OFFSET_FAILURE;
}
@@ -939,8 +888,6 @@
case SkBitmap::kNo_Config:
// Fall through.
- case SkBitmap::kA1_Config:
- // Fall through.
default:
return false;
}
@@ -1021,7 +968,6 @@
case kRGB_565_Config:
case kARGB_8888_Config:
break;
- case kA1_Config:
case kIndex8_Config:
if (!sameConfigs) {
return false;
@@ -1032,12 +978,6 @@
default:
return false;
}
-
- // do not copy src if srcConfig == kA1_Config while dstConfig != kA1_Config
- if (this->config() == kA1_Config && !sameConfigs) {
- return false;
- }
-
return true;
}
@@ -1683,7 +1623,7 @@
void SkBitmap::toString(SkString* str) const {
static const char* gConfigNames[kConfigCount] = {
- "NONE", "A1", "A8", "INDEX8", "565", "4444", "8888"
+ "NONE", "A8", "INDEX8", "565", "4444", "8888"
};
str->appendf("bitmap: ((%d, %d) %s", this->width(), this->height(),
diff --git a/core/SkBlitter.cpp b/core/SkBlitter.cpp
index dc7946a..9682d55 100644
--- a/core/SkBlitter.cpp
+++ b/core/SkBlitter.cpp
@@ -945,11 +945,6 @@
switch (device.config()) {
- case SkBitmap::kA1_Config:
- SK_PLACEMENT_NEW_ARGS(blitter, SkA1_Blitter,
- storage, storageSize, (device, *paint));
- break;
-
case SkBitmap::kA8_Config:
if (drawCoverage) {
SkASSERT(NULL == shader);
diff --git a/core/SkBlitter_A1.cpp b/core/SkBlitter_A1.cpp
deleted file mode 100644
index b64afe2..0000000
--- a/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;
- }
-}
diff --git a/core/SkCoreBlitters.h b/core/SkCoreBlitters.h
index 673b874..1605a52 100644
--- a/core/SkCoreBlitters.h
+++ b/core/SkCoreBlitters.h
@@ -162,22 +162,6 @@
///////////////////////////////////////////////////////////////////////////////
-class SkA1_Blitter : public SkRasterBlitter {
-public:
- SkA1_Blitter(const SkBitmap& device, const SkPaint& paint);
- virtual void blitH(int x, int y, int width) SK_OVERRIDE;
-
-private:
- uint8_t fSrcA;
-
- // illegal
- SkA1_Blitter& operator=(const SkA1_Blitter&);
-
- typedef SkRasterBlitter INHERITED;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
/* These return the correct subclass of blitter for their device config.
Currently, they make the following assumptions about the state of the
diff --git a/core/SkScalerContext.cpp b/core/SkScalerContext.cpp
index 1d6c2f7..f4f2391 100644
--- a/core/SkScalerContext.cpp
+++ b/core/SkScalerContext.cpp
@@ -523,10 +523,54 @@
}
}
+static inline int convert_8_to_1(unsigned byte) {
+ SkASSERT(byte <= 0xFF);
+ return byte >> 7;
+}
+
+static uint8_t pack_8_to_1(const uint8_t alpha[8]) {
+ unsigned bits = 0;
+ for (int i = 0; i < 8; ++i) {
+ bits |= convert_8_to_1(alpha[i]);
+ bits <<= 1;
+ }
+ return SkToU8(bits);
+}
+
+static void packA8ToA1(const SkMask& mask, const uint8_t* src, size_t srcRB) {
+ const int height = mask.fBounds.height();
+ const int width = mask.fBounds.width();
+ const int octs = width >> 3;
+ const int leftOverBits = width & 7;
+
+ uint8_t* dst = mask.fImage;
+ const int dstPad = mask.fRowBytes - SkAlign8(width);
+ SkASSERT(dstPad >= 0);
+
+ const int srcPad = srcRB - width;
+ SkASSERT(srcPad >= 0);
+
+ for (int y = 0; y < height; ++y) {
+ for (int i = 0; i < octs; ++i) {
+ *dst++ = pack_8_to_1(src);
+ src += 8;
+ }
+ if (leftOverBits > 0) {
+ unsigned bits = 0;
+ int shift = 7;
+ for (int i = 0; i < leftOverBits; ++i, --shift) {
+ bits |= convert_8_to_1(*src++ >> 7) << shift;
+ }
+ *dst++ = bits;
+ }
+ src += srcPad;
+ dst += dstPad;
+ }
+}
+
static void generateMask(const SkMask& mask, const SkPath& path,
const SkMaskGamma::PreBlend& maskPreBlend) {
- SkBitmap::Config config;
- SkPaint paint;
+ SkPaint paint;
int srcW = mask.fBounds.width();
int srcH = mask.fBounds.height();
@@ -538,27 +582,25 @@
matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft),
-SkIntToScalar(mask.fBounds.fTop));
- if (SkMask::kBW_Format == mask.fFormat) {
- config = SkBitmap::kA1_Config;
- paint.setAntiAlias(false);
- } else {
- config = SkBitmap::kA8_Config;
- paint.setAntiAlias(true);
- switch (mask.fFormat) {
- case SkMask::kA8_Format:
- break;
- case SkMask::kLCD16_Format:
- case SkMask::kLCD32_Format:
- // TODO: trigger off LCD orientation
- dstW = 4*dstW - 8;
- matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft + 1),
- -SkIntToScalar(mask.fBounds.fTop));
- matrix.postScale(SkIntToScalar(4), SK_Scalar1);
- dstRB = 0; // signals we need a copy
- break;
- default:
- SkDEBUGFAIL("unexpected mask format");
- }
+ SkBitmap::Config config = SkBitmap::kA8_Config;
+ paint.setAntiAlias(SkMask::kBW_Format != mask.fFormat);
+ switch (mask.fFormat) {
+ case SkMask::kBW_Format:
+ dstRB = 0; // signals we need a copy
+ break;
+ case SkMask::kA8_Format:
+ break;
+ case SkMask::kLCD16_Format:
+ case SkMask::kLCD32_Format:
+ // TODO: trigger off LCD orientation
+ dstW = 4*dstW - 8;
+ matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft + 1),
+ -SkIntToScalar(mask.fBounds.fTop));
+ matrix.postScale(SkIntToScalar(4), SK_Scalar1);
+ dstRB = 0; // signals we need a copy
+ break;
+ default:
+ SkDEBUGFAIL("unexpected mask format");
}
SkRasterClip clip;
@@ -587,6 +629,9 @@
draw.drawPath(path, paint);
switch (mask.fFormat) {
+ case SkMask::kBW_Format:
+ packA8ToA1(mask, bm.getAddr8(0, 0), bm.rowBytes());
+ break;
case SkMask::kA8_Format:
if (maskPreBlend.isApplicable()) {
applyLUTToA8Mask(mask, maskPreBlend.fG);
diff --git a/effects/SkTransparentShader.cpp b/effects/SkTransparentShader.cpp
index 970e74f..1d7e808 100644
--- a/effects/SkTransparentShader.cpp
+++ b/effects/SkTransparentShader.cpp
@@ -94,9 +94,6 @@
}
break;
}
- case SkBitmap::kA1_Config:
- SkDEBUGFAIL("kA1_Config umimplemented at this time");
- break;
default: // to avoid warnings
break;
}
diff --git a/pdf/SkPDFImage.cpp b/pdf/SkPDFImage.cpp
index a99c9fe..81adcc2 100644
--- a/pdf/SkPDFImage.cpp
+++ b/pdf/SkPDFImage.cpp
@@ -36,7 +36,6 @@
return srcRect.width() * 3 * srcRect.height();
case SkBitmap::kARGB_8888_Config:
return srcRect.width() * 3 * srcRect.height();
- case SkBitmap::kA1_Config:
case SkBitmap::kA8_Config:
return 1;
default:
@@ -166,48 +165,6 @@
return stream;
}
-static SkStream* extract_a1_alpha(const SkBitmap& bitmap,
- const SkIRect& srcRect,
- bool* isOpaque,
- bool* isTransparent) {
- const int alphaRowBytes = (srcRect.width() + 7) / 8;
- SkStream* stream = SkNEW_ARGS(SkMemoryStream,
- (alphaRowBytes * srcRect.height()));
- uint8_t* alphaDst = (uint8_t*)stream->getMemoryBase();
-
- int offset1 = srcRect.fLeft % 8;
- int offset2 = 8 - offset1;
-
- for (int y = srcRect.fTop; y < srcRect.fBottom; y++) {
- uint8_t* src = bitmap.getAddr1(0, y);
- // This may read up to one byte after src, but the
- // potentially invalid bits are never used for computation.
- for (int x = srcRect.fLeft; x < srcRect.fRight; x += 8) {
- if (offset1) {
- alphaDst[0] = src[x / 8] << offset1 |
- src[x / 8 + 1] >> offset2;
- } else {
- alphaDst[0] = src[x / 8];
- }
- if (x + 7 < srcRect.fRight) {
- *isOpaque &= alphaDst[0] == SK_AlphaOPAQUE;
- *isTransparent &= alphaDst[0] == SK_AlphaTRANSPARENT;
- }
- alphaDst++;
- }
- // Calculate the mask of bits we're interested in within the
- // last byte of alphaDst.
- // width mod 8 == 1 -> 0x80 ... width mod 8 == 7 -> 0xFE
- uint8_t mask = ~((1 << (8 - (srcRect.width() % 8))) - 1);
- if (srcRect.width() % 8) {
- *isOpaque &= (alphaDst[-1] & mask) == (SK_AlphaOPAQUE & mask);
- *isTransparent &=
- (alphaDst[-1] & mask) == (SK_AlphaTRANSPARENT & mask);
- }
- }
- return stream;
-}
-
static SkStream* extract_a8_alpha(const SkBitmap& bitmap,
const SkIRect& srcRect,
bool* isOpaque,
@@ -283,14 +240,6 @@
stream = extract_argb8888_data(bitmap, srcRect, extractAlpha,
&isOpaque, &transparent);
break;
- case SkBitmap::kA1_Config:
- if (!extractAlpha) {
- stream = create_black_image();
- } else {
- stream = extract_a1_alpha(bitmap, srcRect,
- &isOpaque, &transparent);
- }
- break;
case SkBitmap::kA8_Config:
if (!extractAlpha) {
stream = create_black_image();
@@ -574,8 +523,7 @@
insertName("Type", "XObject");
insertName("Subtype", "Image");
- bool alphaOnly = (config == SkBitmap::kA1_Config ||
- config == SkBitmap::kA8_Config);
+ bool alphaOnly = (config == SkBitmap::kA8_Config);
if (!isAlpha && alphaOnly) {
// For alpha only images, we stretch a single pixel of black for
@@ -601,8 +549,6 @@
int bitsPerComp = 8;
if (config == SkBitmap::kARGB_4444_Config) {
bitsPerComp = 4;
- } else if (isAlpha && config == SkBitmap::kA1_Config) {
- bitsPerComp = 1;
}
insertInt("BitsPerComponent", bitsPerComp);
diff --git a/utils/debugger/SkObjectParser.cpp b/utils/debugger/SkObjectParser.cpp
index 54ae077..ebbd400 100644
--- a/utils/debugger/SkObjectParser.cpp
+++ b/utils/debugger/SkObjectParser.cpp
@@ -26,9 +26,9 @@
mBitmap->appendS32(bitmap.height());
const char* gConfigStrings[] = {
- "None", "A1", "A8", "Index8", "RGB565", "ARGB4444", "ARGB8888"
+ "None", "A8", "Index8", "RGB565", "ARGB4444", "ARGB8888"
};
- SkASSERT(SkBitmap::kConfigCount == 7);
+ SkASSERT(SkBitmap::kConfigCount == SK_ARRAY_COUNT(gConfigStrings));
mBitmap->append(" Config: ");
mBitmap->append(gConfigStrings[bitmap.config()]);
