//-----------------------------------------------------------------------------
// Generate spheremap based on the current images (only works for cubemaps)
// The look dir indicates the direction of the center of the sphere
//-----------------------------------------------------------------------------
void CVTFTexture::GenerateSpheremap( LookDir_t lookDir )
{
if (!IsCubeMap())
return;
Assert( m_Format == IMAGE_FORMAT_RGBA8888 );
// We'll be doing our work in IMAGE_FORMAT_RGBA8888 mode 'cause it's easier
unsigned char *pCubeMaps[6];
// Allocate the bits for the spheremap
int iMemRequired = ImageLoader::GetMemRequired( m_nWidth, m_nHeight, IMAGE_FORMAT_RGBA8888, false );
unsigned char *pSphereMapBits = (unsigned char *)MemAllocScratch(iMemRequired);
// Generate a spheremap for each frame of the cubemap
for (int iFrame = 0; iFrame < m_nFrameCount; ++iFrame)
{
// Point to our own textures (highest mip level)
for (int iFace = 0; iFace < 6; ++iFace)
{
pCubeMaps[iFace] = ImageData( iFrame, iFace, 0 );
}
// Compute the spheremap of the top LOD
ComputeSpheremapFrame( pCubeMaps, pSphereMapBits, lookDir );
// Compute the mip levels of the spheremap, converting from RGBA8888 to our format
unsigned char *pFinalSphereMapBits = ImageData( iFrame, CUBEMAP_FACE_SPHEREMAP, 0 );
ImageLoader::GenerateMipmapLevels( pSphereMapBits, pFinalSphereMapBits,
m_nWidth, m_nHeight, m_Format, 2.2, 2.2 );
}
// Free memory
MemFreeScratch();
}
ImageData NativeTextureGLES::lock(lock_flags flags, const Rect* src)
{
assert(_lockFlags == 0);
_lockFlags = flags;
Rect r(0, 0, _width, _height);
if (src)
r = *src;
OX_ASSERT(r.getX() + r.getWidth() <= _width);
OX_ASSERT(r.getY() + r.getHeight() <= _height);
_lockRect = r;
assert(_lockFlags != 0);
if (_lockRect.isEmpty())
{
OX_ASSERT(!"_lockRect.IsEmpty()");
return ImageData();
}
if (_data.empty())
{
//_data.resize(_width)
}
ImageData im = ImageData(_width, _height, (int)(_data.size() / _height), _format, &_data.front());
return im.getRect(_lockRect);
}
//-----------------------------------------------------------------------------
// Generates mipmaps from the base mip levels
//-----------------------------------------------------------------------------
void CVTFTexture::GenerateMipmaps()
{
Assert( m_Format == IMAGE_FORMAT_RGBA8888 );
// FIXME: Should we be doing anything special for normalmaps
// other than a final normalization pass?
// FIXME: I don't think that we ever normalize the top mip level!!!!!!
bool bNormalMap = ( Flags() & ( TEXTUREFLAGS_NORMAL | TEXTUREFLAGS_NORMALTODUDV ) ) != 0;
for (int iMipLevel = 1; iMipLevel < m_nMipCount; ++iMipLevel)
{
int nMipWidth, nMipHeight;
ComputeMipLevelDimensions( iMipLevel, &nMipWidth, &nMipHeight );
float mipColorScale = 1.0f;
if( Flags() & TEXTUREFLAGS_PREMULTCOLORBYONEOVERMIPLEVEL )
{
mipColorScale = 1.0f / ( float )( 1 << iMipLevel );
}
for (int iFrame = 0; iFrame < m_nFrameCount; ++iFrame)
{
for (int iFace = 0; iFace < m_nFaceCount; ++iFace)
{
unsigned char *pSrcLevel = ImageData( iFrame, iFace, 0 );
unsigned char *pDstLevel = ImageData( iFrame, iFace, iMipLevel );
ImageLoader::ResampleRGBA8888( pSrcLevel, pDstLevel, m_nWidth, m_nHeight,
nMipWidth, nMipHeight, 2.2, 2.2, mipColorScale, bNormalMap );
if( m_nFlags & TEXTUREFLAGS_NORMAL )
{
ImageLoader::NormalizeNormalMapRGBA8888( pDstLevel, nMipWidth * nMipHeight );
}
}
}
}
}
int test_perlin()
{
std::size_t const Size = 256;
{
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec2(x / 64.f, y / 64.f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_perlin2d_256.dds");
}
{
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec3(x / 64.f, y / 64.f, 0.5f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_perlin3d_256.dds");
}
{
std::vector<glm::byte> ImageData(Size * Size * 3);
for(std::size_t y = 0; y < Size; ++y)
for(std::size_t x = 0; x < Size; ++x)
{
ImageData[(x + y * Size) * 3 + 0] = glm::byte(glm::perlin(glm::vec4(x / 64.f, y / 64.f, 0.5f, 0.5f)) * 128.f + 127.f);
ImageData[(x + y * Size) * 3 + 1] = ImageData[(x + y * Size) * 3 + 0];
ImageData[(x + y * Size) * 3 + 2] = ImageData[(x + y * Size) * 3 + 0];
}
gli::texture2D Texture(1);
Texture[0] = gli::image2D(glm::uvec2(Size), gli::RGB8U);
memcpy(Texture[0].data(), &ImageData[0], ImageData.size());
gli::saveDDS9(Texture, "texture_perlin4d_256.dds");
}
return 0;
}
/** Calls TWAIN to actually get the image */
bool KSaneWidgetPrivate::GetImage(TW_IMAGEINFO& info)
{
TW_MEMREF pdata;
CallTwainProc(&m_AppId, &m_Source, DG_IMAGE, DAT_IMAGENATIVEXFER, MSG_GET, &pdata);
switch(m_returnCode)
{
case TWRC_XFERDONE:
//qDebug()<< "GetImage:TWRC_XFERDONE";
ImageData(pdata, info);
break;
case TWRC_CANCEL:
//qDebug()<< "GetImage:TWRC_CANCEL";
break;
case TWRC_FAILURE:
//qDebug()<< "GetImage:TWRC_FAILURE";
CancelTransfer();
return false;
break;
}
GlobalFree(pdata);
return EndTransfer();
}
void CVTFTexture::PutOneOverMipLevelInAlpha()
{
Assert( m_Format == IMAGE_FORMAT_RGBA8888 );
for (int iMipLevel = 0; iMipLevel < m_nMipCount; ++iMipLevel)
{
int nMipWidth, nMipHeight;
ComputeMipLevelDimensions( iMipLevel, &nMipWidth, &nMipHeight );
int size = nMipWidth * nMipHeight;
unsigned char ooMipLevel = ( unsigned char )( 255.0f * ( 1.0f / ( float )( 1 << iMipLevel ) ) );
for (int iFrame = 0; iFrame < m_nFrameCount; ++iFrame)
{
for (int iFace = 0; iFace < m_nFaceCount; ++iFace)
{
unsigned char *pDstLevel = ImageData( iFrame, iFace, iMipLevel );
unsigned char *pDst;
for( pDst = pDstLevel; pDst < pDstLevel + size * 4; pDst += 4 )
{
pDst[3] = ooMipLevel;
}
}
}
}
}
void SmallImageTest()
{
CPUTracker *tracker = new CPUTracker(50,50, 16);
GenerateTestImage(ImageData(tracker->srcImage, tracker->GetWidth(), tracker->GetHeight()), tracker->width/2,tracker->height/2, 9, 0.0f);
FloatToJPEGFile("smallimg.jpg", tracker->srcImage, tracker->width, tracker->height);
vector2f com = tracker->ComputeMeanAndCOM(0);
dbgout(SPrintf("COM: %f,%f\n", com.x, com.y));
vector2f initial(25,25);
bool boundaryHit = false;
vector2f xcor = tracker->ComputeXCorInterpolated(initial, 2, 16, boundaryHit);
dbgout(SPrintf("XCor: %f,%f\n", xcor.x, xcor.y));
//assert(fabsf(xcor.x-15.0f) < 1e-6 && fabsf(xcor.y-15.0f) < 1e-6);
int I=4;
vector2f pos = initial;
for (int i=0;i<I;i++) {
bool bhit;
vector2f np = tracker->ComputeQI(pos, 1, 32, 4, 1, 1, 16, bhit);
dbgprintf("qi[%d]. New=%.4f, %.4f;\tOld=%.4f, %.4f\n", i, np.x, np.y, pos.x, pos.y);
}
FloatToJPEGFile("debugimg.jpg", tracker->GetDebugImage(), tracker->width, tracker->height);
delete tracker;
}
//-----------------------------------------------------------------------------
// Computes the reflectivity
//-----------------------------------------------------------------------------
void CVTFTexture::ComputeReflectivity( )
{
Assert( m_Format == IMAGE_FORMAT_RGBA8888 );
int divisor = 0;
m_vecReflectivity.Init( 0.0f, 0.0f, 0.0f );
for( int iFrame = 0; iFrame < m_nFrameCount; ++iFrame )
{
for( int iFace = 0; iFace < m_nFaceCount; ++iFace )
{
Vector vecFaceReflect;
unsigned char* pSrc = ImageData( iFrame, iFace, 0 );
int nNumPixels = m_nWidth * m_nHeight;
VectorClear( vecFaceReflect );
for (int i = 0; i < nNumPixels; ++i, pSrc += 4 )
{
vecFaceReflect[0] += TextureToLinear( pSrc[0] );
vecFaceReflect[1] += TextureToLinear( pSrc[1] );
vecFaceReflect[2] += TextureToLinear( pSrc[2] );
}
vecFaceReflect /= nNumPixels;
m_vecReflectivity += vecFaceReflect;
++divisor;
}
}
m_vecReflectivity /= divisor;
}
void TestBoundCheck()
{
CPUTracker *tracker = new CPUTracker(32,32, 16);
bool boundaryHit;
for (int i=0;i<10;i++) {
float xp = tracker->GetWidth()/2+(rand_uniform<float>() - 0.5) * 20;
float yp = tracker->GetHeight()/2+(rand_uniform<float>() - 0.5) * 20;
GenerateTestImage(ImageData(tracker->srcImage, tracker->GetWidth(), tracker->GetHeight()), xp, yp, 1, 0.0f);
vector2f com = tracker->ComputeMeanAndCOM();
dbgout(SPrintf("COM: %f,%f\n", com.x-xp, com.y-yp));
vector2f initial = com;
boundaryHit=false;
vector2f xcor = tracker->ComputeXCorInterpolated(initial, 3, 16, boundaryHit);
dbgprintf("XCor: %f,%f. Err: %d\n", xcor.x-xp, xcor.y-yp, boundaryHit);
boundaryHit=false;
vector2f qi = tracker->ComputeQI(initial, 3, 64, 32, ANGSTEPF, 1, 10, boundaryHit);
dbgprintf("QI: %f,%f. Err: %d\n", qi.x-xp, qi.y-yp, boundaryHit);
}
delete tracker;
}
ImageData Context2D::getImageData(qreal sx, qreal sy, qreal sw, qreal sh)
{
Q_UNUSED(sx);
Q_UNUSED(sy);
Q_UNUSED(sw);
Q_UNUSED(sh);
return ImageData();
}
//---------------------------------------------------------------------
Codec::DecodeResult PVRTCCodec::decodeV2(DataStreamPtr& stream) const
{
PVRTCTexHeaderV2 header;
uint32 flags = 0, formatFlags = 0;
size_t numFaces = 1; // Assume one face until we know otherwise
ImageData *imgData = OGRE_NEW ImageData();
MemoryDataStreamPtr output;
// Read the PVRTC header
stream->read(&header, sizeof(PVRTCTexHeaderV2));
// Get format flags
flags = header.flags;
flipEndian(reinterpret_cast<void*>(flags), sizeof(uint32));
formatFlags = flags & PVR_TEXTURE_FLAG_TYPE_MASK;
uint32 bitmaskAlpha = header.bitmaskAlpha;
flipEndian(reinterpret_cast<void*>(bitmaskAlpha), sizeof(uint32));
if (formatFlags == kPVRTextureFlagTypePVRTC_4 || formatFlags == kPVRTextureFlagTypePVRTC_2)
{
if (formatFlags == kPVRTextureFlagTypePVRTC_4)
{
imgData->format = bitmaskAlpha ? PF_PVRTC_RGBA4 : PF_PVRTC_RGB4;
}
else if (formatFlags == kPVRTextureFlagTypePVRTC_2)
{
imgData->format = bitmaskAlpha ? PF_PVRTC_RGBA2 : PF_PVRTC_RGB2;
}
imgData->depth = 1;
imgData->width = header.width;
imgData->height = header.height;
imgData->num_mipmaps = static_cast<ushort>(header.numMipmaps);
// PVRTC is a compressed format
imgData->flags |= IF_COMPRESSED;
}
// Calculate total size from number of mipmaps, faces and size
imgData->size = Image::calculateSize(imgData->num_mipmaps, numFaces,
imgData->width, imgData->height, imgData->depth, imgData->format);
// Bind output buffer
output.bind(OGRE_NEW MemoryDataStream(imgData->size));
// Now deal with the data
void *destPtr = output->getPtr();
stream->read(destPtr, imgData->size);
destPtr = static_cast<void*>(static_cast<uchar*>(destPtr));
DecodeResult ret;
ret.first = output;
ret.second = CodecDataPtr(imgData);
return ret;
}
ImageData LoadImage(const std::string& filename) {
std::string ext = utils::getFileExtension(filename);
if (ext == "tga") {
//targa file
auto tgaData = Targa::LoadTarga(filename);
return ImageData(tgaData);
}
throw utils::not_supported_error("the extension: " + ext + " is not supported");
}
//---------------------------------------------------------------------
Codec::DecodeResult STBIImageCodec::decode(DataStreamPtr& input) const
{
// Buffer stream into memory (TODO: override IO functions instead?)
MemoryDataStream memStream(input, true);
int width, height, components;
stbi_uc* pixelData = stbi_load_from_memory(memStream.getPtr(),
static_cast<int>(memStream.size()), &width, &height, &components, 0);
if (!pixelData)
{
OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR,
"Error decoding image: " + String(stbi_failure_reason()),
"STBIImageCodec::decode");
}
SharedPtr<ImageData> imgData(OGRE_NEW ImageData());
MemoryDataStreamPtr output;
imgData->depth = 1; // only 2D formats handled by this codec
imgData->width = width;
imgData->height = height;
imgData->num_mipmaps = 0; // no mipmaps in non-DDS
imgData->flags = 0;
switch( components )
{
case 1:
imgData->format = PF_BYTE_L;
break;
case 2:
imgData->format = PF_BYTE_LA;
break;
case 3:
imgData->format = PF_BYTE_RGB;
break;
case 4:
imgData->format = PF_BYTE_RGBA;
break;
default:
stbi_image_free(pixelData);
OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
"Unknown or unsupported image format",
"STBIImageCodec::decode");
break;
}
size_t dstPitch = imgData->width * PixelUtil::getNumElemBytes(imgData->format);
imgData->size = dstPitch * imgData->height;
output.bind(OGRE_NEW MemoryDataStream(pixelData, imgData->size, true));
DecodeResult ret;
ret.first = output;
ret.second = imgData;
return ret;
}
//-----------------------------------------------------------------------------
// Unserialization of image data
//-----------------------------------------------------------------------------
bool CVTFTexture::LoadImageData( CUtlBuffer &buf, const VTFFileHeader_t &header, int nSkipMipLevels )
{
// Fix up the mip count + size based on how many mip levels we skip...
if (nSkipMipLevels > 0)
{
Assert( m_nMipCount > nSkipMipLevels );
if (header.numMipLevels < nSkipMipLevels)
{
// NOTE: This can only happen with older format .vtf files
Warning("Warning! Encountered old format VTF file; please rebuild it!\n");
return false;
}
ComputeMipLevelDimensions( nSkipMipLevels, &m_nWidth, &m_nHeight );
m_nMipCount -= nSkipMipLevels;
}
// read the texture image (including mipmaps if they are there and needed.)
int iImageSize = ComputeFaceSize( );
iImageSize *= m_nFaceCount * m_nFrameCount;
// For backwards compatibility, we don't read in the spheremap fallback on
// older format .VTF files...
int nFacesToRead = m_nFaceCount;
if (IsCubeMap())
{
if ((header.version[0] == 7) && (header.version[1] < 1))
nFacesToRead = 6;
}
// NOTE: We load the bits this way because we store the bits in memory
// differently that the way they are stored on disk; we store on disk
// differently so we can only load up
// NOTE: The smallest mip levels are stored first!!
AllocateImageData( iImageSize );
for (int iMip = m_nMipCount; --iMip >= 0; )
{
// NOTE: This is for older versions...
if (header.numMipLevels - nSkipMipLevels <= iMip)
continue;
int iMipSize = ComputeMipSize( iMip );
for (int iFrame = 0; iFrame < m_nFrameCount; ++iFrame)
{
for (int iFace = 0; iFace < nFacesToRead; ++iFace)
{
unsigned char *pMipBits = ImageData( iFrame, iFace, iMip );
buf.Get( pMipBits, iMipSize );
}
}
}
return buf.IsValid();
}
Face Face::fromFace(const libface::Face& f, ImageOwnershipMode mode)
{
Image image;
switch (mode)
{
case ShallowCopy:
image = ImageData(f.takeFace());
break;
case DeepCopy:
image = ImageData(cvCloneImage(f.getFace()));
break;
case IgnoreData:
break;
}
QRect rect = QRect(QPoint(f.getX1(), f.getY1()), QPoint(f.getX2(), f.getY2()));
Face face(rect, image);
face.setId(f.getId());
return face;
}
Image* SVGImageCache::lookupOrCreateBitmapImageForRenderer(const RenderObject* renderer)
{
if (!renderer)
return Image::nullImage();
const CachedImageClient* client = renderer;
// The cache needs to know the size of the renderer before querying an image for it.
SizeAndScalesMap::iterator sizeIt = m_sizeAndScalesMap.find(renderer);
if (sizeIt == m_sizeAndScalesMap.end())
return Image::nullImage();
IntSize size = sizeIt->second.size;
float zoom = sizeIt->second.zoom;
float scale = sizeIt->second.scale;
// FIXME (85335): This needs to take CSS transform scale into account as well.
Page* page = renderer->document()->page();
if (!scale)
scale = page->deviceScaleFactor() * page->pageScaleFactor();
ASSERT(!size.isEmpty());
// Lookup image for client in cache and eventually update it.
ImageDataMap::iterator it = m_imageDataMap.find(client);
if (it != m_imageDataMap.end()) {
ImageData& data = it->second;
// Common case: image size & zoom remained the same.
if (data.sizeAndScales.size == size && data.sizeAndScales.zoom == zoom && data.sizeAndScales.scale == scale)
return data.image.get();
// If the image size for the client changed, we have to delete the buffer, remove the item from the cache and recreate it.
delete data.buffer;
m_imageDataMap.remove(it);
}
FloatSize scaledSize(size);
scaledSize.scale(scale);
// Create and cache new image and image buffer at requested size.
OwnPtr<ImageBuffer> newBuffer = ImageBuffer::create(expandedIntSize(scaledSize), 1);
if (!newBuffer)
return Image::nullImage();
m_svgImage->drawSVGToImageBuffer(newBuffer.get(), size, zoom, scale, SVGImage::DontClearImageBuffer);
RefPtr<Image> newImage = newBuffer->copyImage(CopyBackingStore);
Image* newImagePtr = newImage.get();
ASSERT(newImagePtr);
m_imageDataMap.add(client, ImageData(newBuffer.leakPtr(), newImage.release(), SizeAndScales(size, zoom, scale)));
return newImagePtr;
}
//---------------------------------------------------------------------------
void File_Dpx::Data_Parse()
{
if (!IsDpx) // Is Cineon
{
switch (Element_Code)
{
case Pos_GenericSection : GenericSectionHeader_Cineon(); break;
case Pos_IndustrySpecific : IndustrySpecificHeader_Cineon(); break;
case Pos_UserDefined : UserDefinedHeader_Cineon(); break;
case Pos_Padding : Padding(); break;
case Pos_ImageData : ImageData(); break;
default : ;
}
}
else
{
switch (Element_Code)
{
case Pos_GenericSection : GenericSectionHeader_Dpx(); break;
case Pos_IndustrySpecific : IndustrySpecificHeader_Dpx(); break;
case Pos_UserDefined : UserDefinedHeader_Dpx(); break;
case Pos_Padding : Padding(); break;
case Pos_ImageData : ImageData(); break;
default : ;
}
}
do
Sizes_Pos++; //We go automaticly to the next block
while (Sizes_Pos<Sizes.size() && Sizes[Sizes_Pos]==0);
if (Sizes_Pos>=Sizes.size())
{
Sizes.clear();
Sizes_Pos=0;
if (!Status[IsFilled])
Fill();
if (File_Offset+Buffer_Offset+Element_Size<Config->File_Current_Size)
GoTo(Config->File_Current_Size);
}
}
ImageData ReadJPEGFile(const char*fn)
{
int w, h;
uchar* imgdata;
std::vector<uchar> jpgdata = ReadToByteBuffer(fn);
ReadJPEGFile(&jpgdata[0], jpgdata.size(), &imgdata, &w,&h);
float* fbuf = new float[w*h];
for (int x=0;x<w*h;x++)
fbuf[x] = imgdata[x]/255.0f;
delete[] imgdata;
return ImageData(fbuf,w,h);
}
//-----------------------------------------------------------------------------
// Returns a pointer to the data associated with a particular frame, face, mip level, and offset
//-----------------------------------------------------------------------------
unsigned char *CVTFTexture::ImageData( int iFrame, int iFace, int iMipLevel, int x, int y )
{
#ifdef _DEBUG
int nWidth, nHeight;
ComputeMipLevelDimensions( iMipLevel, &nWidth, &nHeight );
Assert( (x >= 0) && (x <= nWidth) && (y >= 0) && (y <= nHeight) );
#endif
int nRowBytes = RowSizeInBytes( iMipLevel );
int nTexelBytes = ImageLoader::SizeInBytes( m_Format );
unsigned char *pMipBits = ImageData( iFrame, iFace, iMipLevel );
pMipBits += y * nRowBytes + x * nTexelBytes;
return pMipBits;
}
//-----------------------------------------------------------------------------
// Computes the alpha flags
//-----------------------------------------------------------------------------
void CVTFTexture::ComputeAlphaFlags()
{
Assert( m_Format == IMAGE_FORMAT_RGBA8888 );
m_nFlags &= ~(TEXTUREFLAGS_EIGHTBITALPHA | TEXTUREFLAGS_ONEBITALPHA);
if( TEXTUREFLAGS_ONEOVERMIPLEVELINALPHA )
{
m_nFlags |= TEXTUREFLAGS_EIGHTBITALPHA;
return;
}
for( int iFrame = 0; iFrame < m_nFrameCount; ++iFrame )
{
for( int iFace = 0; iFace < m_nFaceCount; ++iFace )
{
// If we're all 0 or all 255, assume it's opaque
bool bHasZero = false;
bool bHas255 = false;
unsigned char* pSrcBits = ImageData( iFrame, iFace, 0 );
int nNumPixels = m_nWidth * m_nHeight;
while (--nNumPixels >= 0)
{
if (pSrcBits[3] == 0)
bHasZero = true;
else if (pSrcBits[3] == 255)
bHas255 = true;
else
{
// Have grey at all? 8 bit alpha baby
m_nFlags &= ~TEXTUREFLAGS_ONEBITALPHA;
m_nFlags |= TEXTUREFLAGS_EIGHTBITALPHA;
return;
}
pSrcBits += 4;
}
// If we have both 0 at 255, we're at least one-bit alpha
if (bHasZero && bHas255)
{
m_nFlags |= TEXTUREFLAGS_ONEBITALPHA;
}
}
}
}
ImageDecoderQt::ReadContext::ReadResult
ImageDecoderQt::ReadContext::read(bool allDataReceived)
{
// Complete mode: Read only all all data received
if (m_loadMode == LoadComplete && !allDataReceived)
return ReadPartial;
// Attempt to read out all images
while (true) {
if (m_target.empty() || m_target.back().m_imageState == ImageComplete) {
// Start a new image.
if (!m_reader.canRead())
return ReadEOF;
// Attempt to construct an empty image of the matching size and format
// for efficient reading
QImage newImage = m_dataFormat != QImage::Format_Invalid ?
QImage(m_size,m_dataFormat) : QImage();
m_target.push_back(ImageData(newImage));
}
// read chunks
switch (readImageLines(m_target.back())) {
case IncrementalReadFailed:
m_target.pop_back();
return ReadFailed;
case IncrementalReadPartial:
return ReadPartial;
case IncrementalReadComplete:
m_target.back().m_imageState = ImageComplete;
//store for next
m_dataFormat = m_target.back().m_image.format();
m_size = m_target.back().m_image.size();
const bool supportsAnimation = m_reader.supportsAnimation();
if (debugImageDecoderQt)
qDebug() << "readImage(): #" << m_target.size() << " complete, " << m_size << " format " << m_dataFormat
<< " supportsAnimation=" << supportsAnimation ;
// No point in readinfg further
if (!supportsAnimation)
return ReadComplete;
break;
}
}
return ReadComplete;
}
//-----------------------------------------------------------------------------
// Generate the low-res image bits
//-----------------------------------------------------------------------------
bool CVTFTexture::ConstructLowResImage()
{
Assert( m_Format == IMAGE_FORMAT_RGBA8888 );
Assert( m_pLowResImageData );
CUtlMemory<unsigned char> lowResSizeImage;
lowResSizeImage.EnsureCapacity( m_nLowResImageWidth * m_nLowResImageHeight * 4 );
unsigned char *tmpImage = lowResSizeImage.Base();
if( !ImageLoader::ResampleRGBA8888( ImageData(0, 0, 0), tmpImage,
m_nWidth, m_nHeight, m_nLowResImageWidth, m_nLowResImageHeight, 2.2f, 2.2f ) )
{
return false;
}
// convert to the low-res size version with the correct image format
return ImageLoader::ConvertImageFormat( tmpImage, IMAGE_FORMAT_RGBA8888,
m_pLowResImageData, m_LowResImageFormat, m_nLowResImageWidth, m_nLowResImageHeight );
}
//---------------------------------------------------------------------------
void File_Exr::Data_Parse()
{
if (name_End==0)
ImageData();
else if (name=="channels" && type=="chlist")
channels();
else if (name=="comments" && type=="string")
comments();
else if (name=="compression" && type=="compression" && Element_Size==1)
compression();
else if (name=="dataWindow" && type=="box2i" && Element_Size==16)
dataWindow();
else if (name=="displayWindow" && type=="box2i" && Element_Size==16)
displayWindow();
else if (name=="pixelAspectRatio" && type=="float" && Element_Size==4)
pixelAspectRatio();
else
Skip_XX(Element_Size, "value");
}
CDLL_EXPORT ROIPosition* QTrkFindBeads(float* image, int w,int h, int smpCornerPosX, int smpCornerPosY, int roi, float imgRelDist, float acceptance)
{
BeadFinder::Config cfg;
cfg.img_distance = imgRelDist;
cfg.roi = roi;
cfg.similarity = acceptance;
ImageData img = ImageData(image, w,h);
ImageData sampleImg = img.subimage(smpCornerPosX, smpCornerPosY, roi,roi);
auto results = BeadFinder::Find(&img, sampleImg.data, &cfg);
sampleImg.free();
ROIPosition *output=new ROIPosition[results.size()];
for (int i=0;i<results.size();i++)
{
output[i].x = results[i].x;
output[i].y = results[i].y;
}
return output;
}
void NativeTextureGLES::unlock()
{
if (!_lockFlags)
return;
if (_lockFlags & lock_write)
{
glBindTexture(GL_TEXTURE_2D, (GLuint) _id);
GLenum er = glGetError();
ImageData src = ImageData(_width, _height, (int)(_data.size() / _height), _format, &_data.front());
ImageData locked = src.getRect(_lockRect);
//glPixelStorei (GL_UNPACK_ALIGNMENT, 1);//byte align
er = glGetError();
//todo add EXT_unpack_subimage support
MemoryTexture mt;
mt.init(_lockRect.getWidth(), _lockRect.getHeight(), _format);
ImageData q = mt.lock();
operations::copy(locked, q);
mt.unlock();
glPixel glp = SurfaceFormat2GL(_format);
glTexSubImage2D(GL_TEXTURE_2D, 0,
_lockRect.getX(), _lockRect.getY(), _lockRect.getWidth(), _lockRect.getHeight(),
glp.format, glp.type, locked.data);
er = glGetError();
_lockFlags = 0;
}
CHECKGL();
}
//-----------------------------------------------------------------------------
// Fixes the cubemap faces orientation from our standard to what the material system needs
//-----------------------------------------------------------------------------
void CVTFTexture::FixCubemapFaceOrientation( )
{
if (!IsCubeMap())
return;
Assert( m_Format == IMAGE_FORMAT_RGBA8888 );
for (int iMipLevel = 0; iMipLevel < m_nMipCount; ++iMipLevel)
{
int iMipSize, iTemp;
ComputeMipLevelDimensions( iMipLevel, &iMipSize, &iTemp );
Assert( iMipSize == iTemp );
for (int iFrame = 0; iFrame < m_nFrameCount; ++iFrame)
{
for (int iFace = 0; iFace < 6; ++iFace)
{
FixCubeMapFacing( ImageData( iFrame, iFace, iMipLevel ), iFace, iMipSize, m_Format );
}
}
}
}
//-----------------------------------------------------------------------------
// Serialization of image data
//-----------------------------------------------------------------------------
bool CVTFTexture::WriteImageData( CUtlBuffer &buf )
{
// NOTE: We load the bits this way because we store the bits in memory
// differently that the way they are stored on disk; we store on disk
// differently so we can only load up
// NOTE: The smallest mip levels are stored first!!
for (int iMip = m_nMipCount; --iMip >= 0; )
{
int iMipSize = ComputeMipSize( iMip );
for (int iFrame = 0; iFrame < m_nFrameCount; ++iFrame)
{
for (int iFace = 0; iFace < m_nFaceCount; ++iFace)
{
unsigned char *pMipBits = ImageData( iFrame, iFace, iMip );
buf.Put( pMipBits, iMipSize );
}
}
}
return buf.IsValid();
}
void Sculpture::sculpt(const ImageData& imgData, const Cube& bBox) {
int width = imgData.image.cols;
int height = imgData.image.rows;
cameras.push_back(ImageData(imgData));
boundingBox = bBox;
for (int i = 0 ; i < SCULPTURE_SIZE ; i++) {
for (int j = 0 ; j < SCULPTURE_SIZE; j++) {
for (int k = 0 ; k < SCULPTURE_SIZE; k++) {
if (!this->getBit(i, j, k)) continue;
double x = i, y = j, z = k;
this->getProjection(x, y, z, imgData.P);
if (x < width && x >= 0 && y < height && y >= 0) {
if (pointOffSilhouette(imgData.silhouette,x,y)) {
this->unsetBit(i, j, k);
}
} else {
this->unsetBit(i, j, k);
}
}
}
}
}
void PixelationErrorTest()
{
CPUTracker *tracker = new CPUTracker(128,128, 64);
float X = tracker->GetWidth()/2;
float Y = tracker->GetHeight()/2;
int N = 20;
for (int x=0;x<N;x++) {
float xpos = X + 2.0f * x / (float)N;
GenerateTestImage(ImageData(tracker->srcImage, tracker->GetWidth(), tracker->GetHeight()), xpos, X, 1, 0.0f);
vector2f com = tracker->ComputeMeanAndCOM();
//dbgout(SPrintf("COM: %f,%f\n", com.x, com.y));
vector2f initial(X,Y);
bool boundaryHit = false;
vector2f xcorInterp = tracker->ComputeXCorInterpolated(initial, 3, 32, boundaryHit);
vector2f qipos = tracker->ComputeQI(initial, 3, tracker->GetWidth(), 128, 1, 2.0f, tracker->GetWidth()/2-10, boundaryHit);
dbgprintf("xpos:%f, COM err: %f, XCorInterp err: %f. QI err: %f\n", xpos, com.x-xpos, xcorInterp.x-xpos, qipos.x-xpos);
}
delete tracker;
}
ImageData::ImageData(const ImageData &b, void *Data)
{
*this = ImageData(b.w, b.h, b.pitch, b.format, Data);
}