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-rw-r--r--core/fxge/skia/fx_skia_device.cpp98
1 files changed, 42 insertions, 56 deletions
diff --git a/core/fxge/skia/fx_skia_device.cpp b/core/fxge/skia/fx_skia_device.cpp
index d6d8218d57..3168e2251b 100644
--- a/core/fxge/skia/fx_skia_device.cpp
+++ b/core/fxge/skia/fx_skia_device.cpp
@@ -156,25 +156,21 @@ SkXfermode::Mode GetSkiaBlendMode(int blend_type) {
}
}
-bool AddColors(const CPDF_Function* pFunc, SkTDArray<SkColor>* skColors) {
+bool AddColors(const CPDF_ExpIntFunc* pFunc, SkTDArray<SkColor>* skColors) {
if (pFunc->CountInputs() != 1)
return false;
- ASSERT(CPDF_Function::Type::kType2ExpotentialInterpolation ==
- pFunc->GetType());
- const CPDF_ExpIntFunc* expIntFunc =
- static_cast<const CPDF_ExpIntFunc*>(pFunc);
- if (expIntFunc->m_Exponent != 1)
+ if (pFunc->m_Exponent != 1)
return false;
- if (expIntFunc->m_nOrigOutputs != 3)
+ if (pFunc->m_nOrigOutputs != 3)
return false;
- skColors->push(SkColorSetARGB(
- 0xFF, SkUnitScalarClampToByte(expIntFunc->m_pBeginValues[0]),
- SkUnitScalarClampToByte(expIntFunc->m_pBeginValues[1]),
- SkUnitScalarClampToByte(expIntFunc->m_pBeginValues[2])));
skColors->push(
- SkColorSetARGB(0xFF, SkUnitScalarClampToByte(expIntFunc->m_pEndValues[0]),
- SkUnitScalarClampToByte(expIntFunc->m_pEndValues[1]),
- SkUnitScalarClampToByte(expIntFunc->m_pEndValues[2])));
+ SkColorSetARGB(0xFF, SkUnitScalarClampToByte(pFunc->m_pBeginValues[0]),
+ SkUnitScalarClampToByte(pFunc->m_pBeginValues[1]),
+ SkUnitScalarClampToByte(pFunc->m_pBeginValues[2])));
+ skColors->push(
+ SkColorSetARGB(0xFF, SkUnitScalarClampToByte(pFunc->m_pEndValues[0]),
+ SkUnitScalarClampToByte(pFunc->m_pEndValues[1]),
+ SkUnitScalarClampToByte(pFunc->m_pEndValues[2])));
return true;
}
@@ -213,39 +209,35 @@ uint8_t FloatToByte(FX_FLOAT f) {
return (uint8_t)(f * 255.99f);
}
-bool AddSamples(const CPDF_Function* pFunc,
+bool AddSamples(const CPDF_SampledFunc* pFunc,
SkTDArray<SkColor>* skColors,
SkTDArray<SkScalar>* skPos) {
if (pFunc->CountInputs() != 1)
return false;
if (pFunc->CountOutputs() != 3) // expect rgb
return false;
- ASSERT(CPDF_Function::Type::kType0Sampled == pFunc->GetType());
- const CPDF_SampledFunc* sampledFunc =
- static_cast<const CPDF_SampledFunc*>(pFunc);
- if (!sampledFunc->m_pEncodeInfo)
+ if (pFunc->GetEncodeInfo().empty())
return false;
const CPDF_SampledFunc::SampleEncodeInfo& encodeInfo =
- sampledFunc->m_pEncodeInfo[0];
+ pFunc->GetEncodeInfo()[0];
if (encodeInfo.encode_min != 0)
return false;
if (encodeInfo.encode_max != encodeInfo.sizes - 1)
return false;
- uint32_t sampleSize = sampledFunc->m_nBitsPerSample;
+ uint32_t sampleSize = pFunc->GetBitsPerSample();
uint32_t sampleCount = encodeInfo.sizes;
if (sampleCount != 1U << sampleSize)
return false;
- if (sampledFunc->m_pSampleStream->GetSize() <
- sampleCount * 3 * sampleSize / 8) {
+ if (pFunc->GetSampleStream()->GetSize() < sampleCount * 3 * sampleSize / 8)
return false;
- }
+
FX_FLOAT colorsMin[3];
FX_FLOAT colorsMax[3];
for (int i = 0; i < 3; ++i) {
- colorsMin[i] = sampledFunc->GetRange(i * 2);
- colorsMax[i] = sampledFunc->GetRange(i * 2 + 1);
+ colorsMin[i] = pFunc->GetRange(i * 2);
+ colorsMax[i] = pFunc->GetRange(i * 2 + 1);
}
- const uint8_t* pSampleData = sampledFunc->m_pSampleStream->GetData();
+ const uint8_t* pSampleData = pFunc->GetSampleStream()->GetData();
for (uint32_t i = 0; i < sampleCount; ++i) {
FX_FLOAT floatColors[3];
for (uint32_t j = 0; j < 3; ++j) {
@@ -262,24 +254,21 @@ bool AddSamples(const CPDF_Function* pFunc,
return true;
}
-bool AddStitching(const CPDF_Function* pFunc,
+bool AddStitching(const CPDF_StitchFunc* pFunc,
SkTDArray<SkColor>* skColors,
SkTDArray<SkScalar>* skPos) {
int inputs = pFunc->CountInputs();
- ASSERT(CPDF_Function::Type::kType3Stitching == pFunc->GetType());
- const CPDF_StitchFunc* stitchFunc =
- static_cast<const CPDF_StitchFunc*>(pFunc);
- FX_FLOAT boundsStart = stitchFunc->GetDomain(0);
+ FX_FLOAT boundsStart = pFunc->GetDomain(0);
+ const auto& subFunctions = pFunc->GetSubFunctions();
for (int i = 0; i < inputs; ++i) {
- const CPDF_Function* pSubFunc = stitchFunc->m_pSubFunctions[i];
- if (pSubFunc->GetType() !=
- CPDF_Function::Type::kType2ExpotentialInterpolation)
+ const CPDF_ExpIntFunc* pSubFunc = subFunctions[i]->ToExpIntFunc();
+ if (!pSubFunc)
return false;
if (!AddColors(pSubFunc, skColors))
return false;
FX_FLOAT boundsEnd =
- i < inputs - 1 ? stitchFunc->m_pBounds[i] : stitchFunc->GetDomain(1);
+ i < inputs - 1 ? pFunc->GetBound(i) : pFunc->GetDomain(1);
skPos->push(boundsStart);
skPos->push(boundsEnd);
boundsStart = boundsEnd;
@@ -814,27 +803,24 @@ FX_BOOL CFX_SkiaDeviceDriver::DrawShading(const CPDF_ShadingPattern* pPattern,
const CPDF_Function* pFunc = pFuncs[j];
if (!pFunc)
continue;
- switch (pFunc->GetType()) {
- case CPDF_Function::Type::kType0Sampled:
- /* TODO(caryclark)
- Type 0 Sampled Functions in PostScript can also have an Order integer
- in the dictionary. PDFium doesn't appear to check for this anywhere.
- */
- if (!AddSamples(pFunc, &skColors, &skPos))
- return false;
- break;
- case CPDF_Function::Type::kType2ExpotentialInterpolation:
- if (!AddColors(pFunc, &skColors))
- return false;
- skPos.push(0);
- skPos.push(1);
- break;
- case CPDF_Function::Type::kType3Stitching:
- if (!AddStitching(pFunc, &skColors, &skPos))
- return false;
- break;
- default:
+
+ if (const CPDF_SampledFunc* pSampledFunc = pFunc->ToSampledFunc()) {
+ /* TODO(caryclark)
+ Type 0 Sampled Functions in PostScript can also have an Order integer
+ in the dictionary. PDFium doesn't appear to check for this anywhere.
+ */
+ if (!AddSamples(pSampledFunc, &skColors, &skPos))
return false;
+ } else if (const CPDF_ExpIntFunc* pExpIntFuc = pFunc->ToExpIntFunc()) {
+ if (!AddColors(pExpIntFuc, &skColors))
+ return false;
+ skPos.push(0);
+ skPos.push(1);
+ } else if (const CPDF_StitchFunc* pStitchFunc = pFunc->ToStitchFunc()) {
+ if (!AddStitching(pStitchFunc, &skColors, &skPos))
+ return false;
+ } else {
+ return false;
}
}
CPDF_Array* pArray = pDict->GetArrayBy("Extend");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 08:21:00 +0000