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Diffstat (limited to 'src/effects/gradients/SkGradientShader.cpp')
-rw-r--r--src/effects/gradients/SkGradientShader.cpp75
1 files changed, 62 insertions, 13 deletions
diff --git a/src/effects/gradients/SkGradientShader.cpp b/src/effects/gradients/SkGradientShader.cpp
index ec0f542283..d376b22236 100644
--- a/src/effects/gradients/SkGradientShader.cpp
+++ b/src/effects/gradients/SkGradientShader.cpp
@@ -17,6 +17,8 @@ SkGradientShaderBase::SkGradientShaderBase(const Descriptor& desc, const SkMatri
{
SkASSERT(desc.fCount > 1);
+ fMapper = desc.fMapper;
+ SkSafeRef(fMapper);
fGradFlags = SkToU8(desc.fGradFlags);
SkASSERT((unsigned)desc.fTileMode < SkShader::kTileModeCount);
@@ -140,10 +142,7 @@ static uint32_t unpack_flags(uint32_t packed) {
}
SkGradientShaderBase::SkGradientShaderBase(SkReadBuffer& buffer) : INHERITED(buffer) {
- if (0 != buffer.pictureVersion() && buffer.pictureVersion() < 27) {
- // skip the old SkUnitMapper slot
- buffer.skipFlattenable();
- }
+ fMapper = buffer.readUnitMapper();
int colorCount = fColorCount = buffer.getArrayCount();
if (colorCount > kColorStorageCount) {
@@ -182,6 +181,7 @@ SkGradientShaderBase::~SkGradientShaderBase() {
if (fOrigColors != fStorage) {
sk_free(fOrigColors);
}
+ SkSafeUnref(fMapper);
}
void SkGradientShaderBase::initCommon() {
@@ -194,6 +194,7 @@ void SkGradientShaderBase::initCommon() {
void SkGradientShaderBase::flatten(SkWriteBuffer& buffer) const {
this->INHERITED::flatten(buffer);
+ buffer.writeFlattenable(fMapper);
buffer.writeColorArray(fOrigColors, fColorCount);
buffer.writeUInt(pack_mode_flags(fTileMode, fGradFlags));
if (fColorCount > 2) {
@@ -527,6 +528,20 @@ void SkGradientShaderBase::GradientShaderCache::initCache16(GradientShaderCache*
prevIndex = nextIndex;
}
}
+
+ if (cache->fShader.fMapper) {
+ cache->fCache16Storage = (uint16_t*)sk_malloc_throw(allocSize);
+ uint16_t* linear = cache->fCache16; // just computed linear data
+ uint16_t* mapped = cache->fCache16Storage; // storage for mapped data
+ SkUnitMapper* map = cache->fShader.fMapper;
+ for (int i = 0; i < kCache16Count; i++) {
+ int index = map->mapUnit16(bitsTo16(i, kCache16Bits)) >> kCache16Shift;
+ mapped[i] = linear[index];
+ mapped[i + kCache16Count] = linear[index + kCache16Count];
+ }
+ sk_free(cache->fCache16);
+ cache->fCache16 = cache->fCache16Storage;
+ }
}
const SkPMColor* SkGradientShaderBase::GradientShaderCache::getCache32() {
@@ -564,6 +579,23 @@ void SkGradientShaderBase::GradientShaderCache::initCache32(GradientShaderCache*
prevIndex = nextIndex;
}
}
+
+ if (cache->fShader.fMapper) {
+ SkMallocPixelRef* newPR = SkMallocPixelRef::NewAllocate(info, 0, NULL);
+ SkPMColor* linear = cache->fCache32; // just computed linear data
+ SkPMColor* mapped = (SkPMColor*)newPR->getAddr(); // storage for mapped data
+ SkUnitMapper* map = cache->fShader.fMapper;
+ for (int i = 0; i < kCache32Count; i++) {
+ int index = map->mapUnit16((i << 8) | i) >> 8;
+ mapped[i + kCache32Count*0] = linear[index + kCache32Count*0];
+ mapped[i + kCache32Count*1] = linear[index + kCache32Count*1];
+ mapped[i + kCache32Count*2] = linear[index + kCache32Count*2];
+ mapped[i + kCache32Count*3] = linear[index + kCache32Count*3];
+ }
+ cache->fCache32PixelRef->unref();
+ cache->fCache32PixelRef = newPR;
+ cache->fCache32 = (SkPMColor*)newPR->getAddr();
+ }
}
/*
@@ -595,6 +627,15 @@ void SkGradientShaderBase::getGradientTableBitmap(SkBitmap* bitmap) const {
// built with 0xFF
SkAutoTUnref<GradientShaderCache> cache(this->refCache(0xFF));
+ // don't have a way to put the mapper into our cache-key yet
+ if (fMapper) {
+ // force our cache32pixelref to be built
+ (void)cache->getCache32();
+ bitmap->setConfig(SkImageInfo::MakeN32Premul(kCache32Count, 1));
+ bitmap->setPixelRef(cache->getCache32PixelRef());
+ return;
+ }
+
// build our key: [numColors + colors[] + {positions[]} + flags ]
int count = 1 + fColorCount + 1;
if (fColorCount > 2) {
@@ -703,6 +744,8 @@ void SkGradientShaderBase::toString(SkString* str) const {
str->append(" ");
str->append(gTileModeName[fTileMode]);
+ // TODO: add "fMapper->toString(str);" when SkUnitMapper::toString is added
+
this->INHERITED::toString(str);
}
#endif
@@ -727,11 +770,13 @@ void SkGradientShaderBase::toString(SkString* str) const {
static void desc_init(SkGradientShaderBase::Descriptor* desc,
const SkColor colors[],
const SkScalar pos[], int colorCount,
- SkShader::TileMode mode, uint32_t flags) {
+ SkShader::TileMode mode,
+ SkUnitMapper* mapper, uint32_t flags) {
desc->fColors = colors;
desc->fPos = pos;
desc->fCount = colorCount;
desc->fTileMode = mode;
+ desc->fMapper = mapper;
desc->fGradFlags = flags;
}
@@ -739,6 +784,7 @@ SkShader* SkGradientShader::CreateLinear(const SkPoint pts[2],
const SkColor colors[],
const SkScalar pos[], int colorCount,
SkShader::TileMode mode,
+ SkUnitMapper* mapper,
uint32_t flags,
const SkMatrix* localMatrix) {
if (NULL == pts || NULL == colors || colorCount < 1) {
@@ -747,7 +793,7 @@ SkShader* SkGradientShader::CreateLinear(const SkPoint pts[2],
EXPAND_1_COLOR(colorCount);
SkGradientShaderBase::Descriptor desc;
- desc_init(&desc, colors, pos, colorCount, mode, flags);
+ desc_init(&desc, colors, pos, colorCount, mode, mapper, flags);
return SkNEW_ARGS(SkLinearGradient, (pts, desc, localMatrix));
}
@@ -755,6 +801,7 @@ SkShader* SkGradientShader::CreateRadial(const SkPoint& center, SkScalar radius,
const SkColor colors[],
const SkScalar pos[], int colorCount,
SkShader::TileMode mode,
+ SkUnitMapper* mapper,
uint32_t flags,
const SkMatrix* localMatrix) {
if (radius <= 0 || NULL == colors || colorCount < 1) {
@@ -763,7 +810,7 @@ SkShader* SkGradientShader::CreateRadial(const SkPoint& center, SkScalar radius,
EXPAND_1_COLOR(colorCount);
SkGradientShaderBase::Descriptor desc;
- desc_init(&desc, colors, pos, colorCount, mode, flags);
+ desc_init(&desc, colors, pos, colorCount, mode, mapper, flags);
return SkNEW_ARGS(SkRadialGradient, (center, radius, desc, localMatrix));
}
@@ -775,6 +822,7 @@ SkShader* SkGradientShader::CreateTwoPointRadial(const SkPoint& start,
const SkScalar pos[],
int colorCount,
SkShader::TileMode mode,
+ SkUnitMapper* mapper,
uint32_t flags,
const SkMatrix* localMatrix) {
if (startRadius < 0 || endRadius < 0 || NULL == colors || colorCount < 1) {
@@ -783,7 +831,7 @@ SkShader* SkGradientShader::CreateTwoPointRadial(const SkPoint& start,
EXPAND_1_COLOR(colorCount);
SkGradientShaderBase::Descriptor desc;
- desc_init(&desc, colors, pos, colorCount, mode, flags);
+ desc_init(&desc, colors, pos, colorCount, mode, mapper, flags);
return SkNEW_ARGS(SkTwoPointRadialGradient,
(start, startRadius, end, endRadius, desc, localMatrix));
}
@@ -796,6 +844,7 @@ SkShader* SkGradientShader::CreateTwoPointConical(const SkPoint& start,
const SkScalar pos[],
int colorCount,
SkShader::TileMode mode,
+ SkUnitMapper* mapper,
uint32_t flags,
const SkMatrix* localMatrix) {
if (startRadius < 0 || endRadius < 0 || NULL == colors || colorCount < 1) {
@@ -812,7 +861,7 @@ SkShader* SkGradientShader::CreateTwoPointConical(const SkPoint& start,
SkGradientShaderBase::Descriptor desc;
if (!flipGradient) {
- desc_init(&desc, colors, pos, colorCount, mode, flags);
+ desc_init(&desc, colors, pos, colorCount, mode, mapper, flags);
return SkNEW_ARGS(SkTwoPointConicalGradient,
(start, startRadius, end, endRadius, flipGradient, desc, localMatrix));
} else {
@@ -826,9 +875,9 @@ SkShader* SkGradientShader::CreateTwoPointConical(const SkPoint& start,
for (int i = 0; i < colorCount; ++i) {
posNew[i] = 1 - pos[colorCount - i - 1];
}
- desc_init(&desc, colorsNew.get(), posNew.get(), colorCount, mode, flags);
+ desc_init(&desc, colorsNew.get(), posNew.get(), colorCount, mode, mapper, flags);
} else {
- desc_init(&desc, colorsNew.get(), NULL, colorCount, mode, flags);
+ desc_init(&desc, colorsNew.get(), NULL, colorCount, mode, mapper, flags);
}
return SkNEW_ARGS(SkTwoPointConicalGradient,
@@ -839,7 +888,7 @@ SkShader* SkGradientShader::CreateTwoPointConical(const SkPoint& start,
SkShader* SkGradientShader::CreateSweep(SkScalar cx, SkScalar cy,
const SkColor colors[],
const SkScalar pos[],
- int colorCount,
+ int colorCount, SkUnitMapper* mapper,
uint32_t flags,
const SkMatrix* localMatrix) {
if (NULL == colors || colorCount < 1) {
@@ -848,7 +897,7 @@ SkShader* SkGradientShader::CreateSweep(SkScalar cx, SkScalar cy,
EXPAND_1_COLOR(colorCount);
SkGradientShaderBase::Descriptor desc;
- desc_init(&desc, colors, pos, colorCount, SkShader::kClamp_TileMode, flags);
+ desc_init(&desc, colors, pos, colorCount, SkShader::kClamp_TileMode, mapper, flags);
return SkNEW_ARGS(SkSweepGradient, (cx, cy, desc, localMatrix));
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-28 06:25:43 +0000