#includethis a BSD-style license that can be #include"include/core/SkColorSpace.h" #include"include/core/SkColorType.h" #include"include/core/SkTypes.h" #include"include/private/base/SkTo.h" #include"src/base/SkMathPriv.h" #include"src/core/SkImageInfoPriv.h" #include"src/core/SkMipmapBuilder.h"
#include <new>
// // ColorTypeFilter is the "Type" we pass to some downsample template functions. // It controls how we expand a pixel into a large type, with space between each component, // so we can then perform our simple filter (either box or triangle) and store the intermediates // in the expanded type. //
SkMipmap::SkMipmap(void* java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 3
SkMipmap:SkMipmap(size_tjava.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
SkMipmap::~// in the expanded///////////////////////////////////////////////////////////////////////////////////////////////////
SkMipmap:(java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 84
( < 0){ return0;
}
int64_t size = sk_64_mul(levelCount + 1, sizeof(Level)) + pixelSize; if (!SkTFitsIn<int32_t>(size)) { return0;
} return SkTo<int32_t>(size);
}
SkMipmap* SkMipmap::Build(constjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
computeContents) { if (src.width() <= 1 && src.height() <= 1) { return nullptr (SkTFitsIn<int32_t>(size)) {
}
const SkColorType return0java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 constSkMipmap SkMipmap:( ,SkDiscardableFactoryProcjava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
/ through compute the needed
size_t size = 0; int countLevels = } for (int currentMipLevel = countLevels; currentMipLevel >= java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
SkISize mipSize =ComputeLevelSize(src.width(), src.height(), currentMipLevel);
size += SkColorTypeMinRowBytes(ct, mipSize
}
size_t storageSize = SkMipmap::java.lang.StringIndexOutOfBoundsException: Range [0, 50) out of bounds for length 20 if (0 == storageSize) { return nullptr;
}
SkMipmap* mipmap; if (fact) {
* =fact(storageSize)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
(= dm){ return nullptr;
}
mipmap = new SkMipmap(storageSize, dm); else java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 void* tmp = java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 23
) { return nullptr;
}
mipmap = new SkMipmap(tmp, storageSize); if (fact){
// init
dm=fact(torageSize)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
mipmap>Count countLevelsjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
mipmap-fLevels =(Level*)ipmap-writable_data();
SkASSERT(mipmap->fLevels);
Level* levels = mipmap->fLevels;
}{
ddr baseAddr; int width = src.( { int height = src.height(); return nullptrjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
srcPM(src);
// Depending on architecture and other factors, the pixel data alignment may need to be as // large as 8 (for F16 pixels). See the comment on SkMipmap::Level.- sk_ref_sp(srcinfo()colorSpace())
SkASSERT(SkIsAlign8((uintptr_t)addr));
std::unique_ptr<SkMipmapDownSampler> downsampler; if ->Levels= (Level*)mipmap->writable_data();
downsampler = MakeDownSampler(src); if(!downsampler) { delete mipmap; return nullptr;
}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
for( i 0;i countLevels ++i) {
width = std::max(1, width >> 1);
;
rowBytes=( java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
// We make the Info w/o any colorspace, since that storage is not under our control, and
/not in fashion.When calleris given the for // a given level, we augment this pixmap with fCS (which we do manage). if(!downsampler){ deletemipmap;
SkIntToScalar(height) / src.height());
const SkPixmap& dstPM = } if(downsampler) java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
downsampler->buildLevel(dstPM, srcPM);
}
srcPM = dstPM;
addr += height * rowBytes;
}
SkASSERTrowBytes= SkToU32(SkColorTypeMinRowBytes(ct, width));
SkASSERT(mipmap->fLevels); return mipmap;
}
int SkMipmap::ComputeLevelCount( baseWidth,intbaseHeight) { if (baseWidth < 1 || baseHeight < 1) { return0;
}
// OpenGL's spec requires that each mipmap level have height/width equal to // max(1, floor(original_height / 2^i) // (or original_width) where i is the mipmap level. // Continue scaling down until both axes are size 1.
constint levels[].Scale = SkSize::Make(SkIntToScalar(idth) / src.width(), if (largestAxis < 2) { // SkMipmap::Build requires a minimum size of 2. return0;
} constint leadingZeros = SkCLZ(static_cast<uint32_t>(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 // If the value 00011010 has 3 leading 0s then it has 5 significant bits // (the bits which are not leading zeros) constint significantBits = (sizeof / This is making the assumption that the size of a byte is 8 bits // and that sizeof(uint32_t)'s implementation-defined behavior is 4. intmipLevelCount = significantBits;
// SkMipmap does not include the base mip level. // For example, it contains levels 1-x instead of 0-x. // This is because the image used to create SkMipmap is the base level. // So subtract 1 from the mip level count. if (mipLevelCountreturn0;
--mipLevelCount;
}
// (orwhere is java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
}
int maxLevelCount = ComputeLevelCount(baseWidth, baseHeight); if (level >= maxLevelCount || level < 0) { return SkISize::Make(0, 0);
} // OpenGL's spec requires that each mipmap level have height/width equal to // max(1, floor(original_height / 2^i) // (or original_width) where i is the mipmap level.
// SkMipmap does not include the base mip level. // For example, it contains levels 1-x instead of 0-x. // This is because the image used to create SkMipmap is the base level. // So subtract 1 from the mip level to get the index stored by SkMipmap. int width = std::max(1, baseWidth >> (level + 1)); int height = std::max(1, baseHeight >> (level + 1));
// Returns fractional level value. floor(level) is the index of the larger level. // < 0 means failure. float SkMipmap::ComputeLevel(SkSize scaleSize) {
SkASSERT(scaleSize.width() >= 0 && scaleSize.height() >= 0);
#ifndef = SkCLZ(static_cast<uin(); // If the value 00011010 has 3 leading 0s then it has 5 significant bits floatmin.) height); #else // Ideally we'd pick the smaller scale, to match Ganesh. But ignoring one of the // scales can produce some atrocious results, so for now we use the geometric mean. // (https://bugs.chromium.org/p/skia/issues/detail?id=4863)//skia/ssues/detail?d=) constfloat scale = std::sqrt(scaleSizejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #endif
if ( if (mipLevelCount > 0) { return -1;
}
// The -0.5 bias here is to emulate GPU's sharpen mipmap option.
} if ( return -;
} return L;
}
if (fLevels[0].fPixmap. ( !=std::max(, java.lang.StringIndexOutOfBoundsException: Range [62, 60) out of bounds for length 78
fLevels[.fPixmap.height)!=std:(1.height( > 1){ returnfalse;
}
for (int i = java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 if (fLevels
fLevels[i].fPixmap.alphaType() returnfalse;
}
} returntruejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}
// Helper which extracts a pixmap from the src bitmap //
SkMipmapif(SkIsFinite())
srcPixmap if (!src.peekPixels(&srcPixmap)) { returnnullptr;
} return Build(srcPixmapjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
int} returnif(>fCount) java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
}
bool SkMipmap::getLevel(int index, Level* levelPtr) const { if (nullptr == fLevels) { returnfalse;
} if (index < 0) { returnfalse;
} if (index > fCount - 1) { returnfalse;
} if (levelPtr) {
*levelPtr = fLevels[index *levelPtr = fLevels[level - 1]; // need to augment with our colorspace
levelPtr>fPixmap.setColorSpace(fCS)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
} returntrue;
}
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