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Bug 766017 - Fix some skia warnings r=gw280

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This commit is contained in:
David Zbarsky 2012-06-22 13:16:31 -07:00
parent ab27cd773f
commit 74e14ba7cd
14 changed files with 889 additions and 261 deletions
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2
gfx/skia/include/utils/mac/SkCGUtils.h
View File

@ -44,8 +44,6 @@ static inline CGImageRef SkCreateCGImageRef(const SkBitmap& bm) {
*/
void SkCGDrawBitmap(CGContextRef, const SkBitmap&, float x, float y);
bool SkPDFDocumentToBitmap(SkStream* stream, SkBitmap* output);
/**
* Return a provider that wraps the specified stream. It will become an
* owner of the stream, so the caller must still manage its ownership.

865
gfx/skia/patches/0015-Bug-766017-warnings.patch Normal file
View File

@ -0,0 +1,865 @@
From: David Zbarsky <dzbarsky@gmail.com>
Bug 766017 - Fix some skia warnings r=gw280
diff --git a/gfx/skia/include/utils/mac/SkCGUtils.h b/gfx/skia/include/utils/mac/SkCGUtils.h
--- a/gfx/skia/include/utils/mac/SkCGUtils.h
+++ b/gfx/skia/include/utils/mac/SkCGUtils.h
@@ -39,18 +39,16 @@ static inline CGImageRef SkCreateCGImage
/**
* Draw the bitmap into the specified CG context. The bitmap will be converted
* to a CGImage using the generic RGB colorspace. (x,y) specifies the position
* of the top-left corner of the bitmap. The bitmap is converted using the
* colorspace returned by CGColorSpaceCreateDeviceRGB()
*/
void SkCGDrawBitmap(CGContextRef, const SkBitmap&, float x, float y);
-bool SkPDFDocumentToBitmap(SkStream* stream, SkBitmap* output);
-
/**
* Return a provider that wraps the specified stream. It will become an
* owner of the stream, so the caller must still manage its ownership.
*
* To hand-off ownership of the stream to the provider, the caller must do
* something like the following:
*
* SkStream* stream = new ...;
diff --git a/gfx/skia/src/core/SkAAClip.cpp b/gfx/skia/src/core/SkAAClip.cpp
--- a/gfx/skia/src/core/SkAAClip.cpp
+++ b/gfx/skia/src/core/SkAAClip.cpp
@@ -246,17 +246,17 @@ static void count_left_right_zeros(const
zeros = 0;
}
row += 2;
width -= n;
}
*riteZ = zeros;
}
-#ifdef SK_DEBUG
+#if 0
static void test_count_left_right_zeros() {
static bool gOnce;
if (gOnce) {
return;
}
gOnce = true;
const uint8_t data0[] = { 0, 0, 10, 0xFF };
@@ -1319,22 +1319,16 @@ bool SkAAClip::setPath(const SkPath& pat
}
///////////////////////////////////////////////////////////////////////////////
typedef void (*RowProc)(SkAAClip::Builder&, int bottom,
const uint8_t* rowA, const SkIRect& rectA,
const uint8_t* rowB, const SkIRect& rectB);
-static void sectRowProc(SkAAClip::Builder& builder, int bottom,
- const uint8_t* rowA, const SkIRect& rectA,
- const uint8_t* rowB, const SkIRect& rectB) {
-
-}
-
typedef U8CPU (*AlphaProc)(U8CPU alphaA, U8CPU alphaB);
static U8CPU sectAlphaProc(U8CPU alphaA, U8CPU alphaB) {
// Multiply
return SkMulDiv255Round(alphaA, alphaB);
}
static U8CPU unionAlphaProc(U8CPU alphaA, U8CPU alphaB) {
@@ -1429,31 +1423,16 @@ private:
static void adjust_row(RowIter& iter, int& leftA, int& riteA, int rite) {
if (rite == riteA) {
iter.next();
leftA = iter.left();
riteA = iter.right();
}
}
-static bool intersect(int& min, int& max, int boundsMin, int boundsMax) {
- SkASSERT(min < max);
- SkASSERT(boundsMin < boundsMax);
- if (min >= boundsMax || max <= boundsMin) {
- return false;
- }
- if (min < boundsMin) {
- min = boundsMin;
- }
- if (max > boundsMax) {
- max = boundsMax;
- }
- return true;
-}
-
static void operatorX(SkAAClip::Builder& builder, int lastY,
RowIter& iterA, RowIter& iterB,
AlphaProc proc, const SkIRect& bounds) {
int leftA = iterA.left();
int riteA = iterA.right();
int leftB = iterB.left();
int riteB = iterB.right();
@@ -1970,34 +1949,33 @@ static void small_bzero(void* dst, size_
static inline uint8_t mergeOne(uint8_t value, unsigned alpha) {
return SkMulDiv255Round(value, alpha);
}
static inline uint16_t mergeOne(uint16_t value, unsigned alpha) {
unsigned r = SkGetPackedR16(value);
unsigned g = SkGetPackedG16(value);
unsigned b = SkGetPackedB16(value);
return SkPackRGB16(SkMulDiv255Round(r, alpha),
- SkMulDiv255Round(r, alpha),
- SkMulDiv255Round(r, alpha));
+ SkMulDiv255Round(g, alpha),
+ SkMulDiv255Round(b, alpha));
}
static inline SkPMColor mergeOne(SkPMColor value, unsigned alpha) {
unsigned a = SkGetPackedA32(value);
unsigned r = SkGetPackedR32(value);
unsigned g = SkGetPackedG32(value);
unsigned b = SkGetPackedB32(value);
return SkPackARGB32(SkMulDiv255Round(a, alpha),
SkMulDiv255Round(r, alpha),
SkMulDiv255Round(g, alpha),
SkMulDiv255Round(b, alpha));
}
template <typename T> void mergeT(const T* SK_RESTRICT src, int srcN,
const uint8_t* SK_RESTRICT row, int rowN,
T* SK_RESTRICT dst) {
- SkDEBUGCODE(int accumulated = 0;)
for (;;) {
SkASSERT(rowN > 0);
SkASSERT(srcN > 0);
int n = SkMin32(rowN, srcN);
unsigned rowA = row[1];
if (0xFF == rowA) {
small_memcpy(dst, src, n * sizeof(T));
diff --git a/gfx/skia/src/core/SkBlitMask_D32.cpp b/gfx/skia/src/core/SkBlitMask_D32.cpp
--- a/gfx/skia/src/core/SkBlitMask_D32.cpp
+++ b/gfx/skia/src/core/SkBlitMask_D32.cpp
@@ -268,107 +268,49 @@ bool SkBlitMask::BlitColor(const SkBitma
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
-static void BW_RowProc_Blend(SkPMColor* SK_RESTRICT dst,
- const uint8_t* SK_RESTRICT mask,
- const SkPMColor* SK_RESTRICT src, int count) {
- int i, octuple = (count + 7) >> 3;
- for (i = 0; i < octuple; ++i) {
- int m = *mask++;
- if (m & 0x80) { dst[0] = SkPMSrcOver(src[0], dst[0]); }
- if (m & 0x40) { dst[1] = SkPMSrcOver(src[1], dst[1]); }
- if (m & 0x20) { dst[2] = SkPMSrcOver(src[2], dst[2]); }
- if (m & 0x10) { dst[3] = SkPMSrcOver(src[3], dst[3]); }
- if (m & 0x08) { dst[4] = SkPMSrcOver(src[4], dst[4]); }
- if (m & 0x04) { dst[5] = SkPMSrcOver(src[5], dst[5]); }
- if (m & 0x02) { dst[6] = SkPMSrcOver(src[6], dst[6]); }
- if (m & 0x01) { dst[7] = SkPMSrcOver(src[7], dst[7]); }
- src += 8;
- dst += 8;
- }
- count &= 7;
- if (count > 0) {
- int m = *mask;
- do {
- if (m & 0x80) { dst[0] = SkPMSrcOver(src[0], dst[0]); }
- m <<= 1;
- src += 1;
- dst += 1;
- } while (--count > 0);
- }
-}
-
-static void BW_RowProc_Opaque(SkPMColor* SK_RESTRICT dst,
- const uint8_t* SK_RESTRICT mask,
- const SkPMColor* SK_RESTRICT src, int count) {
- int i, octuple = (count + 7) >> 3;
- for (i = 0; i < octuple; ++i) {
- int m = *mask++;
- if (m & 0x80) { dst[0] = src[0]; }
- if (m & 0x40) { dst[1] = src[1]; }
- if (m & 0x20) { dst[2] = src[2]; }
- if (m & 0x10) { dst[3] = src[3]; }
- if (m & 0x08) { dst[4] = src[4]; }
- if (m & 0x04) { dst[5] = src[5]; }
- if (m & 0x02) { dst[6] = src[6]; }
- if (m & 0x01) { dst[7] = src[7]; }
- src += 8;
- dst += 8;
- }
- count &= 7;
- if (count > 0) {
- int m = *mask;
- do {
- if (m & 0x80) { dst[0] = SkPMSrcOver(src[0], dst[0]); }
- m <<= 1;
- src += 1;
- dst += 1;
- } while (--count > 0);
- }
-}
-
static void A8_RowProc_Blend(SkPMColor* SK_RESTRICT dst,
const uint8_t* SK_RESTRICT mask,
const SkPMColor* SK_RESTRICT src, int count) {
for (int i = 0; i < count; ++i) {
if (mask[i]) {
dst[i] = SkBlendARGB32(src[i], dst[i], mask[i]);
}
}
}
// expand the steps that SkAlphaMulQ performs, but this way we can
-// exand.. add.. combine
+// expand.. add.. combine
// instead of
// expand..combine add expand..combine
//
#define EXPAND0(v, m, s) ((v) & (m)) * (s)
#define EXPAND1(v, m, s) (((v) >> 8) & (m)) * (s)
#define COMBINE(e0, e1, m) ((((e0) >> 8) & (m)) | ((e1) & ~(m)))
static void A8_RowProc_Opaque(SkPMColor* SK_RESTRICT dst,
const uint8_t* SK_RESTRICT mask,
const SkPMColor* SK_RESTRICT src, int count) {
- const uint32_t rbmask = gMask_00FF00FF;
for (int i = 0; i < count; ++i) {
int m = mask[i];
if (m) {
m += (m >> 7);
#if 1
// this is slightly slower than the expand/combine version, but it
// is much closer to the old results, so we use it for now to reduce
// rebaselining.
dst[i] = SkAlphaMulQ(src[i], m) + SkAlphaMulQ(dst[i], 256 - m);
#else
+ const uint32_t rbmask = gMask_00FF00FF;
uint32_t v = src[i];
uint32_t s0 = EXPAND0(v, rbmask, m);
uint32_t s1 = EXPAND1(v, rbmask, m);
v = dst[i];
uint32_t d0 = EXPAND0(v, rbmask, m);
uint32_t d1 = EXPAND1(v, rbmask, m);
dst[i] = COMBINE(s0 + d0, s1 + d1, rbmask);
#endif
@@ -559,17 +501,17 @@ SkBlitMask::RowProc SkBlitMask::RowFacto
// make this opt-in until chrome can rebaseline
RowProc proc = PlatformRowProcs(config, format, flags);
if (proc) {
return proc;
}
static const RowProc gProcs[] = {
// need X coordinate to handle BW
- NULL, NULL, //(RowProc)BW_RowProc_Blend, (RowProc)BW_RowProc_Opaque,
+ NULL, NULL,
(RowProc)A8_RowProc_Blend, (RowProc)A8_RowProc_Opaque,
(RowProc)LCD16_RowProc_Blend, (RowProc)LCD16_RowProc_Opaque,
(RowProc)LCD32_RowProc_Blend, (RowProc)LCD32_RowProc_Opaque,
};
int index;
switch (config) {
case SkBitmap::kARGB_8888_Config:
diff --git a/gfx/skia/src/core/SkConcaveToTriangles.cpp b/gfx/skia/src/core/SkConcaveToTriangles.cpp
--- a/gfx/skia/src/core/SkConcaveToTriangles.cpp
+++ b/gfx/skia/src/core/SkConcaveToTriangles.cpp
@@ -37,17 +37,16 @@
#include "SkTDArray.h"
#include "SkGeometry.h"
#include "SkTSort.h"
// This is used to prevent runaway code bugs, and can probably be removed after
// the code has been proven robust.
#define kMaxCount 1000
-#define DEBUG
#ifdef DEBUG
//------------------------------------------------------------------------------
// Debugging support
//------------------------------------------------------------------------------
#include <cstdio>
#include <stdarg.h>
diff --git a/gfx/skia/src/core/SkPath.cpp b/gfx/skia/src/core/SkPath.cpp
--- a/gfx/skia/src/core/SkPath.cpp
+++ b/gfx/skia/src/core/SkPath.cpp
@@ -469,17 +469,16 @@ void SkPath::incReserve(U16CPU inc) {
fPts.setReserve(fPts.count() + inc);
SkDEBUGCODE(this->validate();)
}
void SkPath::moveTo(SkScalar x, SkScalar y) {
SkDEBUGCODE(this->validate();)
- int vc = fVerbs.count();
SkPoint* pt;
// remember our index
fLastMoveToIndex = fPts.count();
pt = fPts.append();
*fVerbs.append() = kMove_Verb;
pt->set(x, y);
@@ -1163,17 +1162,16 @@ void SkPath::reversePathTo(const SkPath&
}
pts -= gPtsInVerb[verbs[i]];
}
}
void SkPath::reverseAddPath(const SkPath& src) {
this->incReserve(src.fPts.count());
- const SkPoint* startPts = src.fPts.begin();
const SkPoint* pts = src.fPts.end();
const uint8_t* startVerbs = src.fVerbs.begin();
const uint8_t* verbs = src.fVerbs.end();
fIsOval = false;
bool needMove = true;
bool needClose = false;
diff --git a/gfx/skia/src/core/SkRegion.cpp b/gfx/skia/src/core/SkRegion.cpp
--- a/gfx/skia/src/core/SkRegion.cpp
+++ b/gfx/skia/src/core/SkRegion.cpp
@@ -920,20 +920,16 @@ static int operate(const SkRegion::RunTy
/* Given count RunTypes in a complex region, return the worst case number of
logical intervals that represents (i.e. number of rects that would be
returned from the iterator).
We could just return count/2, since there must be at least 2 values per
interval, but we can first trim off the const overhead of the initial TOP
value, plus the final BOTTOM + 2 sentinels.
*/
-static int count_to_intervals(int count) {
- SkASSERT(count >= 6); // a single rect is 6 values
- return (count - 4) >> 1;
-}
/* Given a number of intervals, what is the worst case representation of that
many intervals?
Worst case (from a storage perspective), is a vertical stack of single
intervals: TOP + N * (BOTTOM INTERVALCOUNT LEFT RIGHT SENTINEL) + SENTINEL
*/
static int intervals_to_count(int intervals) {
diff --git a/gfx/skia/src/core/SkScalerContext.cpp b/gfx/skia/src/core/SkScalerContext.cpp
--- a/gfx/skia/src/core/SkScalerContext.cpp
+++ b/gfx/skia/src/core/SkScalerContext.cpp
@@ -336,44 +336,16 @@ SK_ERROR:
glyph->fTop = 0;
glyph->fWidth = 0;
glyph->fHeight = 0;
// put a valid value here, in case it was earlier set to
// MASK_FORMAT_JUST_ADVANCE
glyph->fMaskFormat = fRec.fMaskFormat;
}
-static bool isLCD(const SkScalerContext::Rec& rec) {
- return SkMask::kLCD16_Format == rec.fMaskFormat ||
- SkMask::kLCD32_Format == rec.fMaskFormat;
-}
-
-static uint16_t a8_to_rgb565(unsigned a8) {
- return SkPackRGB16(a8 >> 3, a8 >> 2, a8 >> 3);
-}
-
-static void copyToLCD16(const SkBitmap& src, const SkMask& dst) {
- SkASSERT(SkBitmap::kA8_Config == src.config());
- SkASSERT(SkMask::kLCD16_Format == dst.fFormat);
-
- const int width = dst.fBounds.width();
- const int height = dst.fBounds.height();
- const uint8_t* srcP = src.getAddr8(0, 0);
- size_t srcRB = src.rowBytes();
- uint16_t* dstP = (uint16_t*)dst.fImage;
- size_t dstRB = dst.fRowBytes;
- for (int y = 0; y < height; ++y) {
- for (int x = 0; x < width; ++x) {
- dstP[x] = a8_to_rgb565(srcP[x]);
- }
- srcP += srcRB;
- dstP = (uint16_t*)((char*)dstP + dstRB);
- }
-}
-
#define SK_FREETYPE_LCD_LERP 160
static int lerp(int start, int end) {
SkASSERT((unsigned)SK_FREETYPE_LCD_LERP <= 256);
return start + ((end - start) * (SK_FREETYPE_LCD_LERP) >> 8);
}
static uint16_t packLCD16(unsigned r, unsigned g, unsigned b) {
diff --git a/gfx/skia/src/core/SkScan_AntiPath.cpp b/gfx/skia/src/core/SkScan_AntiPath.cpp
--- a/gfx/skia/src/core/SkScan_AntiPath.cpp
+++ b/gfx/skia/src/core/SkScan_AntiPath.cpp
@@ -230,52 +230,16 @@ void SuperBlitter::blitH(int x, int y, i
fOffsetX);
#ifdef SK_DEBUG
fRuns.assertValid(y & MASK, (1 << (8 - SHIFT)));
fCurrX = x + width;
#endif
}
-static void set_left_rite_runs(SkAlphaRuns& runs, int ileft, U8CPU leftA,
- int n, U8CPU riteA) {
- SkASSERT(leftA <= 0xFF);
- SkASSERT(riteA <= 0xFF);
-
- int16_t* run = runs.fRuns;
- uint8_t* aa = runs.fAlpha;
-
- if (ileft > 0) {
- run[0] = ileft;
- aa[0] = 0;
- run += ileft;
- aa += ileft;
- }
-
- SkASSERT(leftA < 0xFF);
- if (leftA > 0) {
- *run++ = 1;
- *aa++ = leftA;
- }
-
- if (n > 0) {
- run[0] = n;
- aa[0] = 0xFF;
- run += n;
- aa += n;
- }
-
- SkASSERT(riteA < 0xFF);
- if (riteA > 0) {
- *run++ = 1;
- *aa++ = riteA;
- }
- run[0] = 0;
-}
-
void SuperBlitter::blitRect(int x, int y, int width, int height) {
SkASSERT(width > 0);
SkASSERT(height > 0);
// blit leading rows
while ((y & MASK)) {
this->blitH(x, y++, width);
if (--height <= 0) {
diff --git a/gfx/skia/src/effects/SkGradientShader.cpp b/gfx/skia/src/effects/SkGradientShader.cpp
--- a/gfx/skia/src/effects/SkGradientShader.cpp
+++ b/gfx/skia/src/effects/SkGradientShader.cpp
@@ -865,45 +865,16 @@ bool Linear_Gradient::setContext(const S
} while (0)
namespace {
typedef void (*LinearShadeProc)(TileProc proc, SkFixed dx, SkFixed fx,
SkPMColor* dstC, const SkPMColor* cache,
int toggle, int count);
-// This function is deprecated, and will be replaced by
-// shadeSpan_linear_vertical_lerp() once Chrome has been weaned off of it.
-void shadeSpan_linear_vertical(TileProc proc, SkFixed dx, SkFixed fx,
- SkPMColor* SK_RESTRICT dstC,
- const SkPMColor* SK_RESTRICT cache,
- int toggle, int count) {
- if (proc == clamp_tileproc) {
- // Read out clamp values from beginning/end of the cache. No need to lerp
- // or dither
- if (fx < 0) {
- sk_memset32(dstC, cache[-1], count);
- return;
- } else if (fx > 0xFFFF) {
- sk_memset32(dstC, cache[Gradient_Shader::kCache32Count * 2], count);
- return;
- }
- }
-
- // We're a vertical gradient, so no change in a span.
- // If colors change sharply across the gradient, dithering is
- // insufficient (it subsamples the color space) and we need to lerp.
- unsigned fullIndex = proc(fx);
- unsigned fi = fullIndex >> (16 - Gradient_Shader::kCache32Bits);
- sk_memset32_dither(dstC,
- cache[toggle + fi],
- cache[(toggle ^ Gradient_Shader::kDitherStride32) + fi],
- count);
-}
-
// Linear interpolation (lerp) is unnecessary if there are no sharp
// discontinuities in the gradient - which must be true if there are
// only 2 colors - but it's cheap.
void shadeSpan_linear_vertical_lerp(TileProc proc, SkFixed dx, SkFixed fx,
SkPMColor* SK_RESTRICT dstC,
const SkPMColor* SK_RESTRICT cache,
int toggle, int count) {
if (proc == clamp_tileproc) {
@@ -2131,16 +2102,18 @@ protected:
buffer.writePoint(fCenter);
}
private:
typedef Gradient_Shader INHERITED;
const SkPoint fCenter;
};
+#ifndef SK_SCALAR_IS_FLOAT
+
#ifdef COMPUTE_SWEEP_TABLE
#define PI 3.14159265
static bool gSweepTableReady;
static uint8_t gSweepTable[65];
/* Our table stores precomputed values for atan: [0...1] -> [0..PI/4]
We scale the results to [0..32]
*/
@@ -2168,20 +2141,23 @@ static const uint8_t gSweepTable[] = {
10, 11, 11, 12, 12, 13, 13, 14, 15, 15, 16, 16, 17, 17, 18, 18,
19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 25, 26,
26, 27, 27, 27, 28, 28, 29, 29, 29, 30, 30, 30, 31, 31, 31, 32,
32
};
static const uint8_t* build_sweep_table() { return gSweepTable; }
#endif
+#endif
+
// divide numer/denom, with a bias of 6bits. Assumes numer <= denom
// and denom != 0. Since our table is 6bits big (+1), this is a nice fit.
// Same as (but faster than) SkFixedDiv(numer, denom) >> 10
+#ifndef SK_SCALAR_IS_FLOAT
//unsigned div_64(int numer, int denom);
static unsigned div_64(int numer, int denom) {
SkASSERT(numer <= denom);
SkASSERT(numer > 0);
SkASSERT(denom > 0);
int nbits = SkCLZ(numer);
int dbits = SkCLZ(denom);
@@ -2294,16 +2270,17 @@ static unsigned atan_0_90(SkFixed y, SkF
result = 64 - result;
// pin to 63
result -= result >> 6;
}
SkASSERT(result <= 63);
return result;
}
+#endif
// returns angle in a circle [0..2PI) -> [0..255]
#ifdef SK_SCALAR_IS_FLOAT
static unsigned SkATan2_255(float y, float x) {
// static const float g255Over2PI = 255 / (2 * SK_ScalarPI);
static const float g255Over2PI = 40.584510488433314f;
float result = sk_float_atan2(y, x);
diff --git a/gfx/skia/src/opts/SkBlitRect_opts_SSE2.cpp b/gfx/skia/src/opts/SkBlitRect_opts_SSE2.cpp
--- a/gfx/skia/src/opts/SkBlitRect_opts_SSE2.cpp
+++ b/gfx/skia/src/opts/SkBlitRect_opts_SSE2.cpp
@@ -112,17 +112,17 @@ void BlitRect32_OpaqueWide_SSE2(SkPMColo
}
void ColorRect32_SSE2(SkPMColor* destination,
int width, int height,
size_t rowBytes, uint32_t color) {
if (0 == height || 0 == width || 0 == color) {
return;
}
- unsigned colorA = SkGetPackedA32(color);
+ //unsigned colorA = SkGetPackedA32(color);
//if (255 == colorA) {
//if (width < 31) {
//BlitRect32_OpaqueNarrow_SSE2(destination, width, height,
//rowBytes, color);
//} else {
//BlitRect32_OpaqueWide_SSE2(destination, width, height,
//rowBytes, color);
//}
diff --git a/gfx/skia/src/ports/SkFontHost_mac_coretext.cpp b/gfx/skia/src/ports/SkFontHost_mac_coretext.cpp
--- a/gfx/skia/src/ports/SkFontHost_mac_coretext.cpp
+++ b/gfx/skia/src/ports/SkFontHost_mac_coretext.cpp
@@ -75,20 +75,16 @@ static CGFloat CGRectGetMinY_inline(cons
static CGFloat CGRectGetMaxY_inline(const CGRect& rect) {
return rect.origin.y + rect.size.height;
}
static CGFloat CGRectGetWidth_inline(const CGRect& rect) {
return rect.size.width;
}
-static CGFloat CGRectGetHeight(const CGRect& rect) {
- return rect.size.height;
-}
-
///////////////////////////////////////////////////////////////////////////////
static void sk_memset_rect32(uint32_t* ptr, uint32_t value, size_t width,
size_t height, size_t rowBytes) {
SkASSERT(width);
SkASSERT(width * sizeof(uint32_t) <= rowBytes);
if (width >= 32) {
@@ -125,28 +121,30 @@ static void sk_memset_rect32(uint32_t* p
*ptr++ = value;
} while (--w > 0);
ptr = (uint32_t*)((char*)ptr + rowBytes);
height -= 1;
}
}
}
+#if 0
// Potentially this should be made (1) public (2) optimized when width is small.
// Also might want 16 and 32 bit version
//
static void sk_memset_rect(void* ptr, U8CPU byte, size_t width, size_t height,
size_t rowBytes) {
uint8_t* dst = (uint8_t*)ptr;
while (height) {
memset(dst, byte, width);
dst += rowBytes;
height -= 1;
}
}
+#endif
#include <sys/utsname.h>
typedef uint32_t CGRGBPixel;
static unsigned CGRGBPixel_getAlpha(CGRGBPixel pixel) {
return pixel & 0xFF;
}
@@ -250,23 +248,16 @@ static CGAffineTransform MatrixToCGAffin
return CGAffineTransformMake(ScalarToCG(matrix[SkMatrix::kMScaleX]) * sx,
-ScalarToCG(matrix[SkMatrix::kMSkewY]) * sy,
-ScalarToCG(matrix[SkMatrix::kMSkewX]) * sx,
ScalarToCG(matrix[SkMatrix::kMScaleY]) * sy,
ScalarToCG(matrix[SkMatrix::kMTransX]) * sx,
ScalarToCG(matrix[SkMatrix::kMTransY]) * sy);
}
-static void CGAffineTransformToMatrix(const CGAffineTransform& xform, SkMatrix* matrix) {
- matrix->setAll(
- CGToScalar(xform.a), CGToScalar(xform.c), CGToScalar(xform.tx),
- CGToScalar(xform.b), CGToScalar(xform.d), CGToScalar(xform.ty),
- 0, 0, SK_Scalar1);
-}
-
static SkScalar getFontScale(CGFontRef cgFont) {
int unitsPerEm = CGFontGetUnitsPerEm(cgFont);
return SkScalarInvert(SkIntToScalar(unitsPerEm));
}
///////////////////////////////////////////////////////////////////////////////
#define BITMAP_INFO_RGB (kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Host)
@@ -1075,16 +1066,17 @@ static const uint8_t* getInverseTable(bo
if (!gInited) {
build_power_table(gWhiteTable, 1.5f);
build_power_table(gTable, 2.2f);
gInited = true;
}
return isWhite ? gWhiteTable : gTable;
}
+#ifdef SK_USE_COLOR_LUMINANCE
static const uint8_t* getGammaTable(U8CPU luminance) {
static uint8_t gGammaTables[4][256];
static bool gInited;
if (!gInited) {
#if 1
float start = 1.1;
float stop = 2.1;
for (int i = 0; i < 4; ++i) {
@@ -1097,45 +1089,49 @@ static const uint8_t* getGammaTable(U8CP
build_power_table(gGammaTables[2], 1);
build_power_table(gGammaTables[3], 1);
#endif
gInited = true;
}
SkASSERT(0 == (luminance >> 8));
return gGammaTables[luminance >> 6];
}
+#endif
+#ifndef SK_USE_COLOR_LUMINANCE
static void invertGammaMask(bool isWhite, CGRGBPixel rgb[], int width,
int height, size_t rb) {
const uint8_t* table = getInverseTable(isWhite);
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
uint32_t c = rgb[x];
int r = (c >> 16) & 0xFF;
int g = (c >> 8) & 0xFF;
int b = (c >> 0) & 0xFF;
rgb[x] = (table[r] << 16) | (table[g] << 8) | table[b];
}
rgb = (CGRGBPixel*)((char*)rgb + rb);
}
}
+#endif
static void cgpixels_to_bits(uint8_t dst[], const CGRGBPixel src[], int count) {
while (count > 0) {
uint8_t mask = 0;
for (int i = 7; i >= 0; --i) {
mask |= (CGRGBPixel_getAlpha(*src++) >> 7) << i;
if (0 == --count) {
break;
}
}
*dst++ = mask;
}
}
+#ifdef SK_USE_COLOR_LUMINANCE
static int lerpScale(int dst, int src, int scale) {
return dst + (scale * (src - dst) >> 23);
}
static CGRGBPixel lerpPixel(CGRGBPixel dst, CGRGBPixel src,
int scaleR, int scaleG, int scaleB) {
int sr = (src >> 16) & 0xFF;
int sg = (src >> 8) & 0xFF;
@@ -1147,37 +1143,31 @@ static CGRGBPixel lerpPixel(CGRGBPixel d
int rr = lerpScale(dr, sr, scaleR);
int rg = lerpScale(dg, sg, scaleG);
int rb = lerpScale(db, sb, scaleB);
return (rr << 16) | (rg << 8) | rb;
}
static void lerpPixels(CGRGBPixel dst[], const CGRGBPixel src[], int width,
int height, int rowBytes, int lumBits) {
-#ifdef SK_USE_COLOR_LUMINANCE
int scaleR = (1 << 23) * SkColorGetR(lumBits) / 0xFF;
int scaleG = (1 << 23) * SkColorGetG(lumBits) / 0xFF;
int scaleB = (1 << 23) * SkColorGetB(lumBits) / 0xFF;
-#else
- int scale = (1 << 23) * lumBits / SkScalerContext::kLuminance_Max;
- int scaleR = scale;
- int scaleG = scale;
- int scaleB = scale;
-#endif
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
// bit-not the src, since it was drawn from black, so we need the
// compliment of those bits
dst[x] = lerpPixel(dst[x], ~src[x], scaleR, scaleG, scaleB);
}
src = (CGRGBPixel*)((char*)src + rowBytes);
dst = (CGRGBPixel*)((char*)dst + rowBytes);
}
}
+#endif
#if 1
static inline int r32_to_16(int x) { return SkR32ToR16(x); }
static inline int g32_to_16(int x) { return SkG32ToG16(x); }
static inline int b32_to_16(int x) { return SkB32ToB16(x); }
#else
static inline int round8to5(int x) {
return (x + 3 - (x >> 5) + (x >> 7)) >> 3;
@@ -1212,22 +1202,21 @@ static inline uint32_t rgb_to_lcd32(CGRG
return SkPackARGB32(0xFF, r, g, b);
}
#define BLACK_LUMINANCE_LIMIT 0x40
#define WHITE_LUMINANCE_LIMIT 0xA0
void SkScalerContext_Mac::generateImage(const SkGlyph& glyph) {
CGGlyph cgGlyph = (CGGlyph) glyph.getGlyphID(fBaseGlyphCount);
-
const bool isLCD = isLCDFormat(glyph.fMaskFormat);
+#ifdef SK_USE_COLOR_LUMINANCE
const bool isBW = SkMask::kBW_Format == glyph.fMaskFormat;
const bool isA8 = !isLCD && !isBW;
-
-#ifdef SK_USE_COLOR_LUMINANCE
+
unsigned lumBits = fRec.getLuminanceColor();
uint32_t xorMask = 0;
if (isA8) {
// for A8, we just want a component (they're all the same)
lumBits = SkColorGetR(lumBits);
}
#else
diff --git a/gfx/skia/src/utils/mac/SkCreateCGImageRef.cpp b/gfx/skia/src/utils/mac/SkCreateCGImageRef.cpp
--- a/gfx/skia/src/utils/mac/SkCreateCGImageRef.cpp
+++ b/gfx/skia/src/utils/mac/SkCreateCGImageRef.cpp
@@ -163,59 +163,8 @@ private:
CGPDFDocumentRef fDoc;
};
static void CGDataProviderReleaseData_FromMalloc(void*, const void* data,
size_t size) {
sk_free((void*)data);
}
-bool SkPDFDocumentToBitmap(SkStream* stream, SkBitmap* output) {
- size_t size = stream->getLength();
- void* ptr = sk_malloc_throw(size);
- stream->read(ptr, size);
- CGDataProviderRef data = CGDataProviderCreateWithData(NULL, ptr, size,
- CGDataProviderReleaseData_FromMalloc);
- if (NULL == data) {
- return false;
- }
-
- CGPDFDocumentRef pdf = CGPDFDocumentCreateWithProvider(data);
- CGDataProviderRelease(data);
- if (NULL == pdf) {
- return false;
- }
- SkAutoPDFRelease releaseMe(pdf);
-
- CGPDFPageRef page = CGPDFDocumentGetPage(pdf, 1);
- if (NULL == page) {
- return false;
- }
-
- CGRect bounds = CGPDFPageGetBoxRect(page, kCGPDFMediaBox);
-
- int w = (int)CGRectGetWidth(bounds);
- int h = (int)CGRectGetHeight(bounds);
-
- SkBitmap bitmap;
- bitmap.setConfig(SkBitmap::kARGB_8888_Config, w, h);
- bitmap.allocPixels();
- bitmap.eraseColor(SK_ColorWHITE);
-
- size_t bitsPerComponent;
- CGBitmapInfo info;
- getBitmapInfo(bitmap, &bitsPerComponent, &info, NULL);
-
- CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
- CGContextRef ctx = CGBitmapContextCreate(bitmap.getPixels(), w, h,
- bitsPerComponent, bitmap.rowBytes(),
- cs, info);
- CGColorSpaceRelease(cs);
-
- if (ctx) {
- CGContextDrawPDFPage(ctx, page);
- CGContextRelease(ctx);
- }
-
- output->swap(bitmap);
- return true;
-}
-

1
gfx/skia/patches/README
View File

@ -17,3 +17,4 @@ See the relevant bugs in bugzilla for information on these patches:
0012-Bug-759683-make-ssse3-conditional.patch
0013-Bug-761890-fonts.patch
0014-Bug-765038-Fix-clang-build.patch
0015-Bug-766017-warnings.patch

28
gfx/skia/src/core/SkAAClip.cpp
View File

@ -251,7 +251,7 @@ static void count_left_right_zeros(const uint8_t* row, int width,
*riteZ = zeros;
}
#ifdef SK_DEBUG
#if 0
static void test_count_left_right_zeros() {
static bool gOnce;
if (gOnce) {
@ -1324,12 +1324,6 @@ typedef void (*RowProc)(SkAAClip::Builder&, int bottom,
const uint8_t* rowA, const SkIRect& rectA,
const uint8_t* rowB, const SkIRect& rectB);
static void sectRowProc(SkAAClip::Builder& builder, int bottom,
const uint8_t* rowA, const SkIRect& rectA,
const uint8_t* rowB, const SkIRect& rectB) {
}
typedef U8CPU (*AlphaProc)(U8CPU alphaA, U8CPU alphaB);
static U8CPU sectAlphaProc(U8CPU alphaA, U8CPU alphaB) {
@ -1434,21 +1428,6 @@ static void adjust_row(RowIter& iter, int& leftA, int& riteA, int rite) {
}
}
static bool intersect(int& min, int& max, int boundsMin, int boundsMax) {
SkASSERT(min < max);
SkASSERT(boundsMin < boundsMax);
if (min >= boundsMax || max <= boundsMin) {
return false;
}
if (min < boundsMin) {
min = boundsMin;
}
if (max > boundsMax) {
max = boundsMax;
}
return true;
}
static void operatorX(SkAAClip::Builder& builder, int lastY,
RowIter& iterA, RowIter& iterB,
AlphaProc proc, const SkIRect& bounds) {
@ -1975,8 +1954,8 @@ static inline uint16_t mergeOne(uint16_t value, unsigned alpha) {
unsigned g = SkGetPackedG16(value);
unsigned b = SkGetPackedB16(value);
return SkPackRGB16(SkMulDiv255Round(r, alpha),
SkMulDiv255Round(r, alpha),
SkMulDiv255Round(r, alpha));
SkMulDiv255Round(g, alpha),
SkMulDiv255Round(b, alpha));
}
static inline SkPMColor mergeOne(SkPMColor value, unsigned alpha) {
unsigned a = SkGetPackedA32(value);
@ -1992,7 +1971,6 @@ static inline SkPMColor mergeOne(SkPMColor value, unsigned alpha) {
template <typename T> void mergeT(const T* SK_RESTRICT src, int srcN,
const uint8_t* SK_RESTRICT row, int rowN,
T* SK_RESTRICT dst) {
SkDEBUGCODE(int accumulated = 0;)
for (;;) {
SkASSERT(rowN > 0);
SkASSERT(srcN > 0);

64
gfx/skia/src/core/SkBlitMask_D32.cpp
View File

@ -273,64 +273,6 @@ bool SkBlitMask::BlitColor(const SkBitmap& device, const SkMask& mask,
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
static void BW_RowProc_Blend(SkPMColor* SK_RESTRICT dst,
const uint8_t* SK_RESTRICT mask,
const SkPMColor* SK_RESTRICT src, int count) {
int i, octuple = (count + 7) >> 3;
for (i = 0; i < octuple; ++i) {
int m = *mask++;
if (m & 0x80) { dst[0] = SkPMSrcOver(src[0], dst[0]); }
if (m & 0x40) { dst[1] = SkPMSrcOver(src[1], dst[1]); }
if (m & 0x20) { dst[2] = SkPMSrcOver(src[2], dst[2]); }
if (m & 0x10) { dst[3] = SkPMSrcOver(src[3], dst[3]); }
if (m & 0x08) { dst[4] = SkPMSrcOver(src[4], dst[4]); }
if (m & 0x04) { dst[5] = SkPMSrcOver(src[5], dst[5]); }
if (m & 0x02) { dst[6] = SkPMSrcOver(src[6], dst[6]); }
if (m & 0x01) { dst[7] = SkPMSrcOver(src[7], dst[7]); }
src += 8;
dst += 8;
}
count &= 7;
if (count > 0) {
int m = *mask;
do {
if (m & 0x80) { dst[0] = SkPMSrcOver(src[0], dst[0]); }
m <<= 1;
src += 1;
dst += 1;
} while (--count > 0);
}
}
static void BW_RowProc_Opaque(SkPMColor* SK_RESTRICT dst,
const uint8_t* SK_RESTRICT mask,
const SkPMColor* SK_RESTRICT src, int count) {
int i, octuple = (count + 7) >> 3;
for (i = 0; i < octuple; ++i) {
int m = *mask++;
if (m & 0x80) { dst[0] = src[0]; }
if (m & 0x40) { dst[1] = src[1]; }
if (m & 0x20) { dst[2] = src[2]; }
if (m & 0x10) { dst[3] = src[3]; }
if (m & 0x08) { dst[4] = src[4]; }
if (m & 0x04) { dst[5] = src[5]; }
if (m & 0x02) { dst[6] = src[6]; }
if (m & 0x01) { dst[7] = src[7]; }
src += 8;
dst += 8;
}
count &= 7;
if (count > 0) {
int m = *mask;
do {
if (m & 0x80) { dst[0] = SkPMSrcOver(src[0], dst[0]); }
m <<= 1;
src += 1;
dst += 1;
} while (--count > 0);
}
}
static void A8_RowProc_Blend(SkPMColor* SK_RESTRICT dst,
const uint8_t* SK_RESTRICT mask,
const SkPMColor* SK_RESTRICT src, int count) {
@ -342,7 +284,7 @@ static void A8_RowProc_Blend(SkPMColor* SK_RESTRICT dst,
}
// expand the steps that SkAlphaMulQ performs, but this way we can
// exand.. add.. combine
// expand.. add.. combine
// instead of
// expand..combine add expand..combine
//
@ -353,7 +295,6 @@ static void A8_RowProc_Blend(SkPMColor* SK_RESTRICT dst,
static void A8_RowProc_Opaque(SkPMColor* SK_RESTRICT dst,
const uint8_t* SK_RESTRICT mask,
const SkPMColor* SK_RESTRICT src, int count) {
const uint32_t rbmask = gMask_00FF00FF;
for (int i = 0; i < count; ++i) {
int m = mask[i];
if (m) {
@ -364,6 +305,7 @@ static void A8_RowProc_Opaque(SkPMColor* SK_RESTRICT dst,
// rebaselining.
dst[i] = SkAlphaMulQ(src[i], m) + SkAlphaMulQ(dst[i], 256 - m);
#else
const uint32_t rbmask = gMask_00FF00FF;
uint32_t v = src[i];
uint32_t s0 = EXPAND0(v, rbmask, m);
uint32_t s1 = EXPAND1(v, rbmask, m);
@ -564,7 +506,7 @@ SkBlitMask::RowProc SkBlitMask::RowFactory(SkBitmap::Config config,
static const RowProc gProcs[] = {
// need X coordinate to handle BW
NULL, NULL, //(RowProc)BW_RowProc_Blend, (RowProc)BW_RowProc_Opaque,
NULL, NULL,
(RowProc)A8_RowProc_Blend, (RowProc)A8_RowProc_Opaque,
(RowProc)LCD16_RowProc_Blend, (RowProc)LCD16_RowProc_Opaque,
(RowProc)LCD32_RowProc_Blend, (RowProc)LCD32_RowProc_Opaque,

1
gfx/skia/src/core/SkConcaveToTriangles.cpp
View File

@ -42,7 +42,6 @@
// the code has been proven robust.
#define kMaxCount 1000
#define DEBUG
#ifdef DEBUG
//------------------------------------------------------------------------------
// Debugging support

2
gfx/skia/src/core/SkPath.cpp
View File

@ -474,7 +474,6 @@ void SkPath::incReserve(U16CPU inc) {
void SkPath::moveTo(SkScalar x, SkScalar y) {
SkDEBUGCODE(this->validate();)
int vc = fVerbs.count();
SkPoint* pt;
// remember our index
@ -1168,7 +1167,6 @@ void SkPath::reversePathTo(const SkPath& path) {
void SkPath::reverseAddPath(const SkPath& src) {
this->incReserve(src.fPts.count());
const SkPoint* startPts = src.fPts.begin();
const SkPoint* pts = src.fPts.end();
const uint8_t* startVerbs = src.fVerbs.begin();
const uint8_t* verbs = src.fVerbs.end();

4
gfx/skia/src/core/SkRegion.cpp
View File

@ -925,10 +925,6 @@ static int operate(const SkRegion::RunType a_runs[],
interval, but we can first trim off the const overhead of the initial TOP
value, plus the final BOTTOM + 2 sentinels.
*/
static int count_to_intervals(int count) {
SkASSERT(count >= 6); // a single rect is 6 values
return (count - 4) >> 1;
}
/* Given a number of intervals, what is the worst case representation of that
many intervals?

28
gfx/skia/src/core/SkScalerContext.cpp
View File

@ -341,34 +341,6 @@ SK_ERROR:
glyph->fMaskFormat = fRec.fMaskFormat;
}
static bool isLCD(const SkScalerContext::Rec& rec) {
return SkMask::kLCD16_Format == rec.fMaskFormat ||
SkMask::kLCD32_Format == rec.fMaskFormat;
}
static uint16_t a8_to_rgb565(unsigned a8) {
return SkPackRGB16(a8 >> 3, a8 >> 2, a8 >> 3);
}
static void copyToLCD16(const SkBitmap& src, const SkMask& dst) {
SkASSERT(SkBitmap::kA8_Config == src.config());
SkASSERT(SkMask::kLCD16_Format == dst.fFormat);
const int width = dst.fBounds.width();
const int height = dst.fBounds.height();
const uint8_t* srcP = src.getAddr8(0, 0);
size_t srcRB = src.rowBytes();
uint16_t* dstP = (uint16_t*)dst.fImage;
size_t dstRB = dst.fRowBytes;
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
dstP[x] = a8_to_rgb565(srcP[x]);
}
srcP += srcRB;
dstP = (uint16_t*)((char*)dstP + dstRB);
}
}
#define SK_FREETYPE_LCD_LERP 160
static int lerp(int start, int end) {

36
gfx/skia/src/core/SkScan_AntiPath.cpp
View File

@ -235,42 +235,6 @@ void SuperBlitter::blitH(int x, int y, int width) {
#endif
}
static void set_left_rite_runs(SkAlphaRuns& runs, int ileft, U8CPU leftA,
int n, U8CPU riteA) {
SkASSERT(leftA <= 0xFF);
SkASSERT(riteA <= 0xFF);
int16_t* run = runs.fRuns;
uint8_t* aa = runs.fAlpha;
if (ileft > 0) {
run[0] = ileft;
aa[0] = 0;
run += ileft;
aa += ileft;
}
SkASSERT(leftA < 0xFF);
if (leftA > 0) {
*run++ = 1;
*aa++ = leftA;
}
if (n > 0) {
run[0] = n;
aa[0] = 0xFF;
run += n;
aa += n;
}
SkASSERT(riteA < 0xFF);
if (riteA > 0) {
*run++ = 1;
*aa++ = riteA;
}
run[0] = 0;
}
void SuperBlitter::blitRect(int x, int y, int width, int height) {
SkASSERT(width > 0);
SkASSERT(height > 0);

35
gfx/skia/src/effects/SkGradientShader.cpp
View File

@ -870,35 +870,6 @@ typedef void (*LinearShadeProc)(TileProc proc, SkFixed dx, SkFixed fx,
SkPMColor* dstC, const SkPMColor* cache,
int toggle, int count);
// This function is deprecated, and will be replaced by
// shadeSpan_linear_vertical_lerp() once Chrome has been weaned off of it.
void shadeSpan_linear_vertical(TileProc proc, SkFixed dx, SkFixed fx,
SkPMColor* SK_RESTRICT dstC,
const SkPMColor* SK_RESTRICT cache,
int toggle, int count) {
if (proc == clamp_tileproc) {
// Read out clamp values from beginning/end of the cache. No need to lerp
// or dither
if (fx < 0) {
sk_memset32(dstC, cache[-1], count);
return;
} else if (fx > 0xFFFF) {
sk_memset32(dstC, cache[Gradient_Shader::kCache32Count * 2], count);
return;
}
}
// We're a vertical gradient, so no change in a span.
// If colors change sharply across the gradient, dithering is
// insufficient (it subsamples the color space) and we need to lerp.
unsigned fullIndex = proc(fx);
unsigned fi = fullIndex >> (16 - Gradient_Shader::kCache32Bits);
sk_memset32_dither(dstC,
cache[toggle + fi],
cache[(toggle ^ Gradient_Shader::kDitherStride32) + fi],
count);
}
// Linear interpolation (lerp) is unnecessary if there are no sharp
// discontinuities in the gradient - which must be true if there are
// only 2 colors - but it's cheap.
@ -2136,6 +2107,8 @@ private:
const SkPoint fCenter;
};
#ifndef SK_SCALAR_IS_FLOAT
#ifdef COMPUTE_SWEEP_TABLE
#define PI 3.14159265
static bool gSweepTableReady;
@ -2173,10 +2146,13 @@ static const uint8_t gSweepTable[] = {
static const uint8_t* build_sweep_table() { return gSweepTable; }
#endif
#endif
// divide numer/denom, with a bias of 6bits. Assumes numer <= denom
// and denom != 0. Since our table is 6bits big (+1), this is a nice fit.
// Same as (but faster than) SkFixedDiv(numer, denom) >> 10
#ifndef SK_SCALAR_IS_FLOAT
//unsigned div_64(int numer, int denom);
static unsigned div_64(int numer, int denom) {
SkASSERT(numer <= denom);
@ -2299,6 +2275,7 @@ static unsigned atan_0_90(SkFixed y, SkFixed x) {
SkASSERT(result <= 63);
return result;
}
#endif
// returns angle in a circle [0..2PI) -> [0..255]
#ifdef SK_SCALAR_IS_FLOAT

2
gfx/skia/src/opts/SkBlitRect_opts_SSE2.cpp
View File

@ -117,7 +117,7 @@ void ColorRect32_SSE2(SkPMColor* destination,
if (0 == height || 0 == width || 0 == color) {
return;
}
unsigned colorA = SkGetPackedA32(color);
//unsigned colorA = SkGetPackedA32(color);
//if (255 == colorA) {
//if (width < 31) {
//BlitRect32_OpaqueNarrow_SSE2(destination, width, height,

31
gfx/skia/src/ports/SkFontHost_mac_coretext.cpp
View File

@ -80,10 +80,6 @@ static CGFloat CGRectGetWidth_inline(const CGRect& rect) {
return rect.size.width;
}
static CGFloat CGRectGetHeight(const CGRect& rect) {
return rect.size.height;
}
///////////////////////////////////////////////////////////////////////////////
static void sk_memset_rect32(uint32_t* ptr, uint32_t value, size_t width,
@ -130,6 +126,7 @@ static void sk_memset_rect32(uint32_t* ptr, uint32_t value, size_t width,
}
}
#if 0
// Potentially this should be made (1) public (2) optimized when width is small.
// Also might want 16 and 32 bit version
//
@ -142,6 +139,7 @@ static void sk_memset_rect(void* ptr, U8CPU byte, size_t width, size_t height,
height -= 1;
}
}
#endif
#include <sys/utsname.h>
@ -255,13 +253,6 @@ static CGAffineTransform MatrixToCGAffineTransform(const SkMatrix& matrix,
ScalarToCG(matrix[SkMatrix::kMTransY]) * sy);
}
static void CGAffineTransformToMatrix(const CGAffineTransform& xform, SkMatrix* matrix) {
matrix->setAll(
CGToScalar(xform.a), CGToScalar(xform.c), CGToScalar(xform.tx),
CGToScalar(xform.b), CGToScalar(xform.d), CGToScalar(xform.ty),
0, 0, SK_Scalar1);
}
static SkScalar getFontScale(CGFontRef cgFont) {
int unitsPerEm = CGFontGetUnitsPerEm(cgFont);
return SkScalarInvert(SkIntToScalar(unitsPerEm));
@ -1080,6 +1071,7 @@ static const uint8_t* getInverseTable(bool isWhite) {
return isWhite ? gWhiteTable : gTable;
}
#ifdef SK_USE_COLOR_LUMINANCE
static const uint8_t* getGammaTable(U8CPU luminance) {
static uint8_t gGammaTables[4][256];
static bool gInited;
@ -1102,7 +1094,9 @@ static const uint8_t* getGammaTable(U8CPU luminance) {
SkASSERT(0 == (luminance >> 8));
return gGammaTables[luminance >> 6];
}
#endif
#ifndef SK_USE_COLOR_LUMINANCE
static void invertGammaMask(bool isWhite, CGRGBPixel rgb[], int width,
int height, size_t rb) {
const uint8_t* table = getInverseTable(isWhite);
@ -1117,6 +1111,7 @@ static void invertGammaMask(bool isWhite, CGRGBPixel rgb[], int width,
rgb = (CGRGBPixel*)((char*)rgb + rb);
}
}
#endif
static void cgpixels_to_bits(uint8_t dst[], const CGRGBPixel src[], int count) {
while (count > 0) {
@ -1131,6 +1126,7 @@ static void cgpixels_to_bits(uint8_t dst[], const CGRGBPixel src[], int count) {
}
}
#ifdef SK_USE_COLOR_LUMINANCE
static int lerpScale(int dst, int src, int scale) {
return dst + (scale * (src - dst) >> 23);
}
@ -1152,16 +1148,9 @@ static CGRGBPixel lerpPixel(CGRGBPixel dst, CGRGBPixel src,
static void lerpPixels(CGRGBPixel dst[], const CGRGBPixel src[], int width,
int height, int rowBytes, int lumBits) {
#ifdef SK_USE_COLOR_LUMINANCE
int scaleR = (1 << 23) * SkColorGetR(lumBits) / 0xFF;
int scaleG = (1 << 23) * SkColorGetG(lumBits) / 0xFF;
int scaleB = (1 << 23) * SkColorGetB(lumBits) / 0xFF;
#else
int scale = (1 << 23) * lumBits / SkScalerContext::kLuminance_Max;
int scaleR = scale;
int scaleG = scale;
int scaleB = scale;
#endif
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
@ -1173,6 +1162,7 @@ static void lerpPixels(CGRGBPixel dst[], const CGRGBPixel src[], int width,
dst = (CGRGBPixel*)((char*)dst + rowBytes);
}
}
#endif
#if 1
static inline int r32_to_16(int x) { return SkR32ToR16(x); }
@ -1217,12 +1207,11 @@ static inline uint32_t rgb_to_lcd32(CGRGBPixel rgb) {
void SkScalerContext_Mac::generateImage(const SkGlyph& glyph) {
CGGlyph cgGlyph = (CGGlyph) glyph.getGlyphID(fBaseGlyphCount);
const bool isLCD = isLCDFormat(glyph.fMaskFormat);
#ifdef SK_USE_COLOR_LUMINANCE
const bool isBW = SkMask::kBW_Format == glyph.fMaskFormat;
const bool isA8 = !isLCD && !isBW;
#ifdef SK_USE_COLOR_LUMINANCE
unsigned lumBits = fRec.getLuminanceColor();
uint32_t xorMask = 0;

51
gfx/skia/src/utils/mac/SkCreateCGImageRef.cpp
View File

@ -168,54 +168,3 @@ static void CGDataProviderReleaseData_FromMalloc(void*, const void* data,
sk_free((void*)data);
}
bool SkPDFDocumentToBitmap(SkStream* stream, SkBitmap* output) {
size_t size = stream->getLength();
void* ptr = sk_malloc_throw(size);
stream->read(ptr, size);
CGDataProviderRef data = CGDataProviderCreateWithData(NULL, ptr, size,
CGDataProviderReleaseData_FromMalloc);
if (NULL == data) {
return false;
}
CGPDFDocumentRef pdf = CGPDFDocumentCreateWithProvider(data);
CGDataProviderRelease(data);
if (NULL == pdf) {
return false;
}
SkAutoPDFRelease releaseMe(pdf);
CGPDFPageRef page = CGPDFDocumentGetPage(pdf, 1);
if (NULL == page) {
return false;
}
CGRect bounds = CGPDFPageGetBoxRect(page, kCGPDFMediaBox);
int w = (int)CGRectGetWidth(bounds);
int h = (int)CGRectGetHeight(bounds);
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config, w, h);
bitmap.allocPixels();
bitmap.eraseColor(SK_ColorWHITE);
size_t bitsPerComponent;
CGBitmapInfo info;
getBitmapInfo(bitmap, &bitsPerComponent, &info, NULL);
CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
CGContextRef ctx = CGBitmapContextCreate(bitmap.getPixels(), w, h,
bitsPerComponent, bitmap.rowBytes(),
cs, info);
CGColorSpaceRelease(cs);
if (ctx) {
CGContextDrawPDFPage(ctx, page);
CGContextRelease(ctx);
}
output->swap(bitmap);
return true;
}