C++ FreeImage_GetColorType函数代码示例

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本文整理汇总了C++中FreeImage_GetColorType函数的典型用法代码示例。如果您正苦于以下问题：C++ FreeImage_GetColorType函数的具体用法？C++ FreeImage_GetColorType怎么用？C++ FreeImage_GetColorType使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了FreeImage_GetColorType函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: FreeImage_GetImageType

/**
 * Freeimage format to Indielib format.
 * @param pHandle		the FIBITMAP that is used for calculation
 */
int FreeImageHelper::calculateINDFormat(FIBITMAP* pHandle) {

	FREE_IMAGE_TYPE imgType = FreeImage_GetImageType(pHandle);

	//Bitmap type (most common)
	if (FIT_BITMAP == imgType) {
		//Depending on the freeimage color type analysis, we determine our IND_ColorFormat
		FREE_IMAGE_COLOR_TYPE colorType = FreeImage_GetColorType(pHandle);

		
			
		if (FIC_MINISBLACK == colorType || FIC_MINISWHITE == colorType) {
			return IND_LUMINANCE;
		} else if (FIC_PALETTE == colorType) {
			return IND_COLOUR_INDEX;
		} else if (FIC_RGB == colorType) {
			//HACK: This is because when converting to 32 bits, even though there is alpha channel,
			//the color analysis function returns FIC_RGB, as alpha is opaque. We rely on that to know
			//if we have alpha channel so it's not good.
			if (FreeImage_GetBPP(pHandle) == 32) {
				return IND_RGBA;
			} else {
				return IND_RGB;
			}
		} else if (FIC_RGBALPHA == colorType) {
			return IND_RGBA;
		}
	}

	//TODO: OTHER IMAGE TYPES

	//Failure
	return IND_UNKNOWN;
}

开发者ID:Javilop，项目名称:indielib-crossplatform，代码行数:38，代码来源:FreeImageHelper.cpp

示例2: NPP_ASSERT_MSG

void
FreeImageStack::loadImage(unsigned int iSlice, npp::ImageNPP_8u_C1 & rImage)
const
{
    NPP_ASSERT_MSG(iSlice < slices(), "Slice index exceeded number of slices in stack.");
    FIBITMAP * pBitmap = FreeImage_LockPage(pImageStack_, iSlice);
    NPP_ASSERT_NOT_NULL(pBitmap);
            // make sure this is an 8-bit single channel image
    NPP_DEBUG_ASSERT(FreeImage_GetColorType(pBitmap) == FIC_MINISBLACK);
    NPP_DEBUG_ASSERT(FreeImage_GetBPP(pBitmap) == 8);
    
    NPP_DEBUG_ASSERT(FreeImage_GetWidth(pBitmap) == nWidth_);
    NPP_DEBUG_ASSERT(FreeImage_GetHeight(pBitmap) == nHeight_);
    unsigned int    nSrcPitch = FreeImage_GetPitch(pBitmap);
    unsigned char * pSrcData  = FreeImage_GetBits(pBitmap);
    
    if (rImage.width() == nWidth_ && rImage.height() == nHeight_)
    {
        NPP_CHECK_CUDA(cudaMemcpy2D(rImage.data(), rImage.pitch(), pSrcData, nSrcPitch, 
                                    nWidth_, nHeight_, cudaMemcpyHostToDevice));
    }
    else
    {
                // create new NPP image
        npp::ImageNPP_8u_C1 oImage(nWidth_, nHeight_);
                // transfer slice data into new device image
        NPP_CHECK_CUDA(cudaMemcpy2D(oImage.data(), oImage.pitch(), pSrcData, nSrcPitch, 
                                    nWidth_, nHeight_, cudaMemcpyHostToDevice));
                // swap the result image with the reference passed into this method
        rImage.swap(oImage);
    }
                // release locked slice
    FreeImage_UnlockPage(pImageStack_, pBitmap, FALSE);
}

开发者ID:peterlu，项目名称:ConDDM，代码行数:34，代码来源:FreeImageStack.cpp

示例3: sFileName_

FreeImageStack::FreeImageStack(const std::string & rFileName): sFileName_(rFileName)
                                                             , pImageStack_(0)
                                                             , nWidth_(0)
                                                             , nHeight_(0)
                                                             , pBitmap_32f_(0)
                                                             , nMaxXY_(0)
                                                             , nMaxOffset_(0)
{
            // open the bitmap
    pImageStack_ = FreeImage_OpenMultiBitmap(FIF_TIFF, (sFileName_ + ".tif").c_str(), 
                                             FALSE, // create new
                                             TRUE,  // open read-only
                                             FALSE, // keep all slices in memory
                                             TIFF_DEFAULT);
    NPP_ASSERT_NOT_NULL(pImageStack_);
    NPP_ASSERT_NOT_NULL(slices());
    FIBITMAP * pBitmap = FreeImage_LockPage(pImageStack_, 0);
            // store away the size of the first image
            // this information is later used to insure that all slices
            // accessed are of the same size. if they are not an exception
            // is thrown when such a deviating slice is being accessed
    nWidth_  = FreeImage_GetWidth(pBitmap);
    nHeight_ = FreeImage_GetHeight(pBitmap);
    NPP_ASSERT(FreeImage_GetColorType(pBitmap) == FIC_MINISBLACK);
    NPP_ASSERT(FreeImage_GetBPP(pBitmap) == 8);
    FreeImage_UnlockPage(pImageStack_, pBitmap, FALSE);
}

开发者ID:peterlu，项目名称:ConDDM，代码行数:27，代码来源:FreeImageStack.cpp

示例4: FreeImage_Invert

/** @brief Inverts each pixel data.

@param src Input image to be processed.
@return Returns TRUE if successful, FALSE otherwise.
*/
BOOL DLL_CALLCONV 
FreeImage_Invert(FIBITMAP *src) {
	unsigned i, x, y, k;
	BYTE *bits;

	if (!src) return FALSE;

	int bpp = FreeImage_GetBPP(src);
	
	switch(bpp) {
        case 1 :
		case 4 :
		case 8 :
		{
			// if the dib has a colormap, just invert it
			// else, keep the linear grayscale

			if (FreeImage_GetColorType(src) == FIC_PALETTE) {
				RGBQUAD *pal = FreeImage_GetPalette(src);

				for(i = 0; i < FreeImage_GetColorsUsed(src); i++) {
					pal[i].rgbRed	= 255 - pal[i].rgbRed;
					pal[i].rgbGreen = 255 - pal[i].rgbGreen;
					pal[i].rgbBlue	= 255 - pal[i].rgbBlue;
				}
			} else {
				for(y = 0; y < FreeImage_GetHeight(src); y++) {
					bits = FreeImage_GetScanLine(src, y);

					for (x = 0; x < FreeImage_GetLine(src); x++) {
						bits[x] = ~bits[x];
					}
				}
			}

			break;
		}		

		case 24 :
		case 32 :
		{
			unsigned bytespp = FreeImage_GetLine(src) / FreeImage_GetWidth(src);

			for(y = 0; y < FreeImage_GetHeight(src); y++) {
				bits =  FreeImage_GetScanLine(src, y);
				for(x = 0; x < FreeImage_GetWidth(src); x++) {
					for(k = 0; k < bytespp; k++) {
						bits[k] = ~bits[k];
					}
					bits += bytespp;
				}
			}

			break;
		}

	}
	return TRUE;
}

开发者ID:Ali-il，项目名称:gamekit，代码行数:64，代码来源:Colors.cpp

示例5: putBmpIntoPixels

void putBmpIntoPixels(FIBITMAP * bmp, ofPixels_<PixelType> &pix, bool swapForLittleEndian = true) {
	// convert to correct type depending on type of input bmp and PixelType
	FIBITMAP* bmpConverted = NULL;
	FREE_IMAGE_TYPE imgType = FreeImage_GetImageType(bmp);
	if(sizeof(PixelType)==1 &&
		(FreeImage_GetColorType(bmp) == FIC_PALETTE || FreeImage_GetBPP(bmp) < 8
		||  imgType!=FIT_BITMAP)) {
		if(FreeImage_IsTransparent(bmp)) {
			bmpConverted = FreeImage_ConvertTo32Bits(bmp);
		} else {
			bmpConverted = FreeImage_ConvertTo24Bits(bmp);
		}
		bmp = bmpConverted;
	}else if(sizeof(PixelType)==2 && imgType!=FIT_UINT16 && imgType!=FIT_RGB16 && imgType!=FIT_RGBA16){
		if(FreeImage_IsTransparent(bmp)) {
			bmpConverted = FreeImage_ConvertToType(bmp,FIT_RGBA16);
		} else {
			bmpConverted = FreeImage_ConvertToType(bmp,FIT_RGB16);
		}
		bmp = bmpConverted;
	}else if(sizeof(PixelType)==4 && imgType!=FIT_FLOAT && imgType!=FIT_RGBF && imgType!=FIT_RGBAF){
		if(FreeImage_IsTransparent(bmp)) {
			bmpConverted = FreeImage_ConvertToType(bmp,FIT_RGBAF);
		} else {
			bmpConverted = FreeImage_ConvertToType(bmp,FIT_RGBF);
		}
		bmp = bmpConverted;
	}

	unsigned int width = FreeImage_GetWidth(bmp);
	unsigned int height = FreeImage_GetHeight(bmp);
	unsigned int bpp = FreeImage_GetBPP(bmp);
	unsigned int channels = (bpp / sizeof(PixelType)) / 8;
	unsigned int pitch = FreeImage_GetPitch(bmp);

	// ofPixels are top left, FIBITMAP is bottom left
	FreeImage_FlipVertical(bmp);
	
	unsigned char* bmpBits = FreeImage_GetBits(bmp);
	if(bmpBits != NULL) {
		pix.setFromAlignedPixels((PixelType*) bmpBits, width, height, channels, pitch);
	} else {
		ofLogError("ofImage") << "putBmpIntoPixels(): unable to set ofPixels from FIBITMAP";
	}
	
	if(bmpConverted != NULL) {
		FreeImage_Unload(bmpConverted);
	}

#ifdef TARGET_LITTLE_ENDIAN
	if(swapForLittleEndian && sizeof(PixelType) == 1) {
		pix.swapRgb();
	}
#endif
}

开发者ID:B-IT，项目名称:openFrameworks，代码行数:55，代码来源:ofImage.cpp

示例6: unload

const Texture* Texture::load(const std::string& fileName)
{
	if (sTextureMap.find(fileName) != sTextureMap.end()) {
		unload(sTextureMap[fileName]);
	}

	const std::string path = sBasePath + fileName;

	FREE_IMAGE_FORMAT fif = FreeImage_GetFileType(path.c_str(), 0);
	if (fif == FIF_UNKNOWN) {
		fif = FreeImage_GetFIFFromFilename(path.c_str());
	}
	if (fif == FIF_UNKNOWN) {
		return nullptr;
	}

	FIBITMAP* dib = nullptr;
	if (FreeImage_FIFSupportsReading(fif)) {
		dib = FreeImage_Load(fif, path.c_str());
	}
	if (!dib) {
		return nullptr;
	}

	BYTE* bits = FreeImage_GetBits(dib);
	unsigned int width = FreeImage_GetWidth(dib);
	unsigned int height = FreeImage_GetHeight(dib);
	if (bits == 0 || width == 0 || height == 0) {
		return nullptr;
	}

	FREE_IMAGE_COLOR_TYPE colorType = FreeImage_GetColorType(dib);
	FREE_IMAGE_TYPE imageType = FreeImage_GetImageType(dib);
	GLenum glFormat = getGLFormat(colorType);

	Texture tex;
	tex.mName = fileName;
	glGenTextures(1, &tex.mId);
	assert(tex.mId);
	glBindTexture(GL_TEXTURE_2D, tex.mId);
	glTexImage2D(GL_TEXTURE_2D, 0, glFormat, width, height, 0, glFormat, GL_UNSIGNED_BYTE, bits);
	glGenerateMipmap(GL_TEXTURE_2D);
	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);

	sTextureMap[fileName] = tex;

	FreeImage_Unload(dib);
	return &sTextureMap[fileName];
}

开发者ID:santisan，项目名称:santisan.github.com，代码行数:52，代码来源:Texture.cpp

示例7: FreeImage_IsTransparent

BOOL DLL_CALLCONV
FreeImage_IsTransparent(FIBITMAP *dib) {
	if(dib) {
		if(FreeImage_GetBPP(dib) == 32) {
			if(FreeImage_GetColorType(dib) == FIC_RGBALPHA) {
				return TRUE;
			}
		} else {
			return ((FREEIMAGEHEADER *)dib->data)->transparent ? TRUE : FALSE;
		}
	}
	return FALSE;
}

开发者ID:mikanradojevic，项目名称:sdkpub，代码行数:13，代码来源:BitmapAccess.cpp

示例8: FreeImage_GetWidth

std::ostream &
operator <<(std::ostream &rOutputStream, const FIBITMAP &rBitmap)
{
    unsigned int nImageWidth    = FreeImage_GetWidth(const_cast<FIBITMAP *>(&rBitmap));
    unsigned int nImageHeight   = FreeImage_GetHeight(const_cast<FIBITMAP *>(&rBitmap));
    unsigned int nPitch         = FreeImage_GetPitch(const_cast<FIBITMAP *>(&rBitmap));
    unsigned int nBPP           = FreeImage_GetBPP(const_cast<FIBITMAP *>(&rBitmap));

    FREE_IMAGE_COLOR_TYPE eType = FreeImage_GetColorType(const_cast<FIBITMAP *>(&rBitmap));
    BITMAPINFO *pInfo          = FreeImage_GetInfo(const_cast<FIBITMAP *>(&rBitmap));

    rOutputStream << "Size  (" << FreeImage_GetWidth(const_cast<FIBITMAP *>(&rBitmap)) << ", "
                  << FreeImage_GetHeight(const_cast<FIBITMAP *>(&rBitmap)) << ")\n";
    rOutputStream << "Pitch "  << FreeImage_GetPitch(const_cast<FIBITMAP *>(&rBitmap)) << "\n";
    rOutputStream << "Type  ";

    switch (eType)
    {
        case FIC_MINISWHITE:
            rOutputStream << "FIC_MINISWHITE\n";
            break;

        case FIC_MINISBLACK:
            rOutputStream << "FIC_MINISBLACK\n";
            break;

        case FIC_RGB:
            rOutputStream << "FIC_RGB\n";
            break;

        case FIC_PALETTE:
            rOutputStream << "FIC_PALETTE\n";
            break;

        case FIC_RGBALPHA:
            rOutputStream << "FIC_RGBALPHA\n";
            break;

        case FIC_CMYK:
            rOutputStream << "FIC_CMYK\n";
            break;

        default:
            rOutputStream << "Unknown pixel format.\n";
    }

    rOutputStream << "BPP   " << nBPP << std::endl;

    return rOutputStream;
}

开发者ID:chengli1986，项目名称:571e，代码行数:50，代码来源:freeImageInteropNPP.cpp

示例9: FreeImage_GetColorType

Types::ColorTypes ImageLoaderFreeImage::colorDataType() const
{
    Types::ColorTypes colorDatatype = Types::ColorTypeRGB;
    const FREE_IMAGE_COLOR_TYPE imageColorType = FreeImage_GetColorType(m_bitmap);

    if (imageColorType == FIC_MINISBLACK || imageColorType == FIC_MINISWHITE) {
        colorDatatype = bitsPerPixel() == 1 ? Types::ColorTypeMonochrome : Types::ColorTypeGreyscale;
    } else {
        colorDatatype =
            imageColorType == FIC_PALETTE ? Types::ColorTypePalette
            : imageColorType == FIC_RGB ? Types::ColorTypeRGB
            : imageColorType == FIC_RGBALPHA ? Types::ColorTypeRGBA
            : /* imageColorType == FIC_CMYK ? */ Types::ColorTypeCMYK;
    }

    return colorDatatype;
}

开发者ID:ockham，项目名称:posterazor，代码行数:17，代码来源:imageloaderfreeimage.cpp

示例10: putBmpIntoPixels

//----------------------------------------------------
void putBmpIntoPixels(FIBITMAP * bmp, ofPixels &pix, bool swapForLittleEndian = true){
	int width			= FreeImage_GetWidth(bmp);
	int height			= FreeImage_GetHeight(bmp);
	int bpp				= FreeImage_GetBPP(bmp);

	FIBITMAP * bmpTemp = NULL;

	switch (bpp){
		case 8:
			if (FreeImage_GetColorType(bmp) == FIC_PALETTE) {
				bmpTemp = FreeImage_ConvertTo24Bits(bmp);
				bmp = bmpTemp;
				bpp = FreeImage_GetBPP(bmp);
			} else {
			// do nothing we are grayscale
			}
		break;
		case 24:
			// do nothing we are color
		break;
		case 32:
			// do nothing we are colorAlpha
		break;
		default:
			bmpTemp = FreeImage_ConvertTo24Bits(bmp);
			bmp = bmpTemp;
			bpp = FreeImage_GetBPP(bmp);
		break;
	}

	int bytesPerPixel	= bpp / 8;
	pix.allocate(width, height, bpp);
	FreeImage_ConvertToRawBits(pix.getPixels(), bmp, width*bytesPerPixel, bpp, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK, true);  // get bits

	if (bmpTemp != NULL) FreeImage_Unload(bmpTemp);

	#ifdef TARGET_LITTLE_ENDIAN
		if(swapForLittleEndian)
			pix.swapRgb();
	#endif
}

开发者ID:alfredoBorboa，项目名称:openFrameworks，代码行数:42，代码来源:ofImage.cpp

示例11: IsVisualGreyscaleImage

/** @brief Determines, whether a palletized image is visually greyscale or not.
 
 Unlike with FreeImage_GetColorType, which returns either FIC_MINISBLACK or
 FIC_MINISWHITE for a greyscale image with a linear ramp palette, the return  
 value of this function does not depend on the palette's order, but only on the
 palette's individual colors.
 @param dib The image to be tested.
 @return Returns TRUE if the palette of the image specified contains only
 greyscales, FALSE otherwise.
 */
static BOOL
IsVisualGreyscaleImage(FIBITMAP *dib) {

	switch (FreeImage_GetBPP(dib)) {
		case 1:
		case 4:
		case 8: {
			unsigned ncolors = FreeImage_GetColorsUsed(dib);
			RGBQUAD *rgb = FreeImage_GetPalette(dib);
			for (unsigned i = 0; i< ncolors; i++) {
				if ((rgb->rgbRed != rgb->rgbGreen) || (rgb->rgbRed != rgb->rgbBlue)) {
					return FALSE;
				}
			}
			return TRUE;
		}
		default: {
			return (FreeImage_GetColorType(dib) == FIC_MINISBLACK);
		}
	}
}

开发者ID:jrsnail，项目名称:u2project_deps，代码行数:31，代码来源:Background.cpp

示例12: loadImage

    /// Load a gray-scale image from disk.
    void 
    loadImage(const std::string & rFileName, ImageCPU_8u_C1 & rImage)
    {
	            // set your own FreeImage error handler
	    FreeImage_SetOutputMessage(FreeImageErrorHandler);

        FREE_IMAGE_FORMAT eFormat = FreeImage_GetFileType(rFileName.c_str());
                // no signature? try to guess the file format from the file extension
        if (eFormat == FIF_UNKNOWN)
            eFormat = FreeImage_GetFIFFromFilename(rFileName.c_str());
        NPP_ASSERT(eFormat != FIF_UNKNOWN);
                // check that the plugin has reading capabilities ...
        FIBITMAP * pBitmap;
        if (FreeImage_FIFSupportsReading(eFormat)) 
            pBitmap = FreeImage_Load(eFormat, rFileName.c_str());
        NPP_ASSERT(pBitmap != 0);
                // make sure this is an 8-bit single channel image
        NPP_ASSERT(FreeImage_GetColorType(pBitmap) == FIC_MINISBLACK);
        NPP_ASSERT(FreeImage_GetBPP(pBitmap) == 8);
        
                // create an ImageCPU to receive the loaded image data
        ImageCPU_8u_C1 oImage(FreeImage_GetWidth(pBitmap), FreeImage_GetHeight(pBitmap));
        
                // Copy the FreeImage data into the new ImageCPU
        unsigned int nSrcPitch = FreeImage_GetPitch(pBitmap);
        const Npp8u * pSrcLine = FreeImage_GetBits(pBitmap) + nSrcPitch * (FreeImage_GetHeight(pBitmap) -1);
        Npp8u * pDstLine = oImage.data();
        unsigned int nDstPitch = oImage.pitch();
        for (size_t iLine = 0; iLine < oImage.height(); ++iLine)
        {
            memcpy(pDstLine, pSrcLine, oImage.width() * sizeof(Npp8u));
            pSrcLine -= nSrcPitch;
            pDstLine += nDstPitch;
        }
        
                // swap the user given image with our result image, effecively
                // moving our newly loaded image data into the user provided shell
        oImage.swap(rImage);
    }

开发者ID:D2LSystem，项目名称:GPU-Computing-SDK-4.2.9，代码行数:40，代码来源:ImageIO.cpp

示例13: putBmpIntoPixels

void putBmpIntoPixels(FIBITMAP * bmp, ofPixels_<PixelType> &pix, bool swapForLittleEndian = true) {
	// some images use a palette, or <8 bpp, so convert them to raster 8-bit channels
	FIBITMAP* bmpConverted = NULL;
	if(FreeImage_GetColorType(bmp) == FIC_PALETTE || FreeImage_GetBPP(bmp) < 8) {
		if(FreeImage_IsTransparent(bmp)) {
			bmpConverted = FreeImage_ConvertTo32Bits(bmp);
		} else {
			bmpConverted = FreeImage_ConvertTo24Bits(bmp);
		}
		bmp = bmpConverted;
	}

	unsigned int width = FreeImage_GetWidth(bmp);
	unsigned int height = FreeImage_GetHeight(bmp);
	unsigned int bpp = FreeImage_GetBPP(bmp);
	unsigned int channels = (bpp / sizeof(PixelType)) / 8;
	unsigned int pitch = FreeImage_GetPitch(bmp);

	// ofPixels are top left, FIBITMAP is bottom left
	FreeImage_FlipVertical(bmp);
	
	unsigned char* bmpBits = FreeImage_GetBits(bmp);
	if(bmpBits != NULL) {
		pix.setFromAlignedPixels((PixelType*) bmpBits, width, height, channels, pitch);
	} else {
		ofLogError() << "ofImage::putBmpIntoPixels() unable to set ofPixels from FIBITMAP";
	}
	
	if(bmpConverted != NULL) {
		FreeImage_Unload(bmpConverted);
	}

#ifdef TARGET_LITTLE_ENDIAN
	if(swapForLittleEndian && sizeof(PixelType) == 1) {
		pix.swapRgb();
	}
#endif
}

开发者ID:prettyextreme，项目名称:openFrameworks-0.7，代码行数:38，代码来源:ofImage.cpp

示例14: FreeImage_IsTransparent

BOOL DLL_CALLCONV
FreeImage_IsTransparent(FIBITMAP *dib) {
	if(dib) {
		FREE_IMAGE_TYPE image_type = FreeImage_GetImageType(dib);
		switch(image_type) {
			case FIT_BITMAP:
				if(FreeImage_GetBPP(dib) == 32) {
					if(FreeImage_GetColorType(dib) == FIC_RGBALPHA) {
						return TRUE;
					}
				} else {
					return ((FREEIMAGEHEADER *)dib->data)->transparent ? TRUE : FALSE;
				}
				break;
			case FIT_RGBA16:
			case FIT_RGBAF:
				return TRUE;
			default:
				break;
		}
	}
	return FALSE;
}

开发者ID:2php，项目名称:ogre-android，代码行数:23，代码来源:BitmapAccess.cpp

示例15: FreeImage_GetColorType

FREE_IMAGE_COLOR_TYPE fipImage::getColorType() const { 
	return FreeImage_GetColorType(_dib);
}

开发者ID:MrMasterplan，项目名称:PIC-stuff，代码行数:3，代码来源:fipImage.cpp

示例16: load

	virtual bool load(const std::string& filename, Array &lat) {
		FREE_IMAGE_FORMAT type = FreeImage_GetFIFFromFilename(filename.c_str());
		if(type == FIF_UNKNOWN) {
			AL_WARN("image format not recognized: %s", filename.c_str());
			return false;
		}
		if(!FreeImage_FIFSupportsReading(type)) {
			AL_WARN("image format not supported: %s", filename.c_str());
			return false;
		}
		
		destroy();
		mImage = FreeImage_Load(type, filename.c_str(), 0);
		if (mImage == NULL) {
			AL_WARN("image failed to load: %s", filename.c_str());
			return false;
		}
		
		FREE_IMAGE_COLOR_TYPE colorType = FreeImage_GetColorType(mImage);
		switch(colorType) {
			case FIC_MINISBLACK:
			case FIC_MINISWHITE: {
					FIBITMAP *res = FreeImage_ConvertToGreyscale(mImage);
					FreeImage_Unload(mImage);
					mImage = res;
				}
				break;

			case FIC_PALETTE: {
					if(FreeImage_IsTransparent(mImage)) {
						FIBITMAP *res = FreeImage_ConvertTo32Bits(mImage);
						FreeImage_Unload(mImage);
						mImage = res;
					}
					else {
						FIBITMAP *res = FreeImage_ConvertTo24Bits(mImage);
						FreeImage_Unload(mImage);
						mImage = res;
					}
				}
				break;

			case FIC_CMYK: {
					AL_WARN("CMYK images currently not supported");
					return false;
				}
				break;

			default:
				break;
		}

		// flip vertical for OpenGL:
		//FreeImage_FlipVertical(mImage);
		
		//Freeimage is not tightly packed, so we use
		//a custom method instead of one of the Matrix
		//utility methods
		int planes = getPlanes();
		AlloTy ty = getDataType();
		int w, h;
		getDim(w, h);
		lat.format(planes, ty, w, h);
		
		Image::Format format = Image::getFormat(planes);
		switch(format) {
			case Image::LUMINANCE: {
				char *o_pix = (char *)(lat.data.ptr);
				int rowstride = lat.header.stride[1];
				for(unsigned j = 0; j < lat.header.dim[1]; ++j) {
					char *pix = (char *)FreeImage_GetScanLine(mImage, j);
					memcpy(o_pix, pix, rowstride);
					o_pix += rowstride;
				}
			}
			break;
			
			case Image::RGB: {
				switch(lat.header.type) {
					case AlloUInt8Ty: {
						char *bp = (char *)(lat.data.ptr);
						int rowstride = lat.header.stride[1];

						for(unsigned j = 0; j < lat.header.dim[1]; ++j) {
							RGBTRIPLE * pix = (RGBTRIPLE *)FreeImage_GetScanLine(mImage, j);
							Image::RGBPix<uint8_t> *o_pix = (Image::RGBPix<uint8_t> *)(bp + j*rowstride);
							for(unsigned i=0; i < lat.header.dim[0]; ++i) {
								o_pix->r = pix->rgbtRed;
								o_pix->g = pix->rgbtGreen;
								o_pix->b = pix->rgbtBlue;
								++pix;
								++o_pix;
							}
						}
					}
					break;

					case AlloFloat32Ty: {
						char *o_pix = (char *)(lat.data.ptr);
						int rowstride = lat.header.stride[1];
//.........这里部分代码省略.........

开发者ID:AlloSphere-Research-Group，项目名称:alive，代码行数:101，代码来源:al_Image.cpp

示例17: LoadOS21XBMP


//.........这里部分代码省略.........

				for (int count = 0; count < used_colors; count++) {
					FILE_BGR bgr;

					io->read_proc(&bgr, sizeof(FILE_BGR), 1, handle);
					
					pal[count].rgbRed = bgr.r;
					pal[count].rgbGreen = bgr.g;
					pal[count].rgbBlue = bgr.b;
				}

				// Skip over the optional palette 
				// A 24 or 32 bit DIB may contain a palette for faster color reduction

				io->seek_proc(handle, bitmap_bits_offset, SEEK_SET);
				
				// read the pixel data

				if (height > 0) {
					io->read_proc((void *)FreeImage_GetBits(dib), height * pitch, 1, handle);
				} else {
					for (int c = 0; c < abs(height); ++c) {
						io->read_proc((void *)FreeImage_GetScanLine(dib, height - c - 1), pitch, 1, handle);								
					}
				}
						
				return dib;
			}

			case 16 :
			{
				dib = FreeImage_Allocate(width, height, bit_count, FI16_555_RED_MASK, FI16_555_GREEN_MASK, FI16_555_BLUE_MASK);

				if (dib == NULL)
					throw "DIB allocation failed";						

				BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
				pInfoHeader->biXPelsPerMeter = 0;
				pInfoHeader->biYPelsPerMeter = 0;

				io->read_proc(FreeImage_GetBits(dib), height * pitch, 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
				for(int y = 0; y < FreeImage_GetHeight(dib); y++) {
					WORD *pixel = (WORD *)FreeImage_GetScanLine(dib, y);
					for(int x = 0; x < FreeImage_GetWidth(dib); x++) {
						SwapShort(pixel);
						pixel++;
					}
				}
#endif

				return dib;
			}

			case 24 :
			case 32 :
			{
				if( bit_count == 32 ) {
					dib = FreeImage_Allocate(width, height, bit_count, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
				} else {
					dib = FreeImage_Allocate(width, height, bit_count, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
				}

				if (dib == NULL)
					throw "DIB allocation failed";						

				BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
				pInfoHeader->biXPelsPerMeter = 0;
				pInfoHeader->biYPelsPerMeter = 0;

				// Skip over the optional palette 
				// A 24 or 32 bit DIB may contain a palette for faster color reduction

				io->read_proc(FreeImage_GetBits(dib), height * pitch, 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
				for(int y = 0; y < FreeImage_GetHeight(dib); y++) {
					BYTE *pixel = FreeImage_GetScanLine(dib, y);
					for(int x = 0; x < FreeImage_GetWidth(dib); x++) {
						INPLACESWAP(pixel[0], pixel[2]);
						pixel += (bit_count>>3);
					}
				}
#endif

				// check if the bitmap contains transparency, if so enable it in the header

				FreeImage_SetTransparent(dib, (FreeImage_GetColorType(dib) == FIC_RGBALPHA));

				return dib;
			}
		}
	} catch(const char *message) {	
		if(dib)
			FreeImage_Unload(dib);

		FreeImage_OutputMessageProc(s_format_id, message);
	}

	return NULL;
}

开发者ID:MichaelH13，项目名称:sdkpub，代码行数:101，代码来源:PluginBMP.cpp

示例18: LoadOS22XBMP


//.........这里部分代码省略.........
									break;
							};
						}

						break;
					}

					default :		
						throw "compression type not supported";
				}						

				break;
			}

			case 16 :
			{
				if (bih.biCompression == 3) {
					DWORD bitfields[3];

					io->read_proc(bitfields, 3 * sizeof(DWORD), 1, handle);

					dib = FreeImage_Allocate(width, height, bit_count, bitfields[0], bitfields[1], bitfields[2]);
				} else {
					dib = FreeImage_Allocate(width, height, bit_count, FI16_555_RED_MASK, FI16_555_GREEN_MASK, FI16_555_BLUE_MASK);
				}

				if (dib == NULL)
					throw "DIB allocation failed";						

				BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
				pInfoHeader->biXPelsPerMeter = bih.biXPelsPerMeter;
				pInfoHeader->biYPelsPerMeter = bih.biYPelsPerMeter;

				if (bitmap_bits_offset > (sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + (used_colors * 3)))
					io->seek_proc(handle, bitmap_bits_offset, SEEK_SET);

				io->read_proc(FreeImage_GetBits(dib), height * pitch, 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
				for(int y = 0; y < FreeImage_GetHeight(dib); y++) {
					WORD *pixel = (WORD *)FreeImage_GetScanLine(dib, y);
					for(int x = 0; x < FreeImage_GetWidth(dib); x++) {
						SwapShort(pixel);
						pixel++;
					}
				}
#endif
				return dib;
			}

			case 24 :
			case 32 :
			{
				if( bit_count == 32 ) {
					dib = FreeImage_Allocate(width, height, bit_count, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
				} else {
					dib = FreeImage_Allocate(width, height, bit_count, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
				}

				if (dib == NULL)
					throw "DIB allocation failed";
				
				BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
				pInfoHeader->biXPelsPerMeter = bih.biXPelsPerMeter;
				pInfoHeader->biYPelsPerMeter = bih.biYPelsPerMeter;

				// Skip over the optional palette 
				// A 24 or 32 bit DIB may contain a palette for faster color reduction

				if (bitmap_bits_offset > (sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + (used_colors * 3)))
					io->seek_proc(handle, bitmap_bits_offset, SEEK_SET);
				
				// read in the bitmap bits

				io->read_proc(FreeImage_GetBits(dib), height * pitch, 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
				for(int y = 0; y < FreeImage_GetHeight(dib); y++) {
					BYTE *pixel = FreeImage_GetScanLine(dib, y);
					for(int x = 0; x < FreeImage_GetWidth(dib); x++) {
						INPLACESWAP(pixel[0], pixel[2]);
						pixel += (bit_count>>3);
					}
				}
#endif

				// check if the bitmap contains transparency, if so enable it in the header

				FreeImage_SetTransparent(dib, (FreeImage_GetColorType(dib) == FIC_RGBALPHA));

				return dib;
			}
		}
	} catch(const char *message) {
		if(dib)
			FreeImage_Unload(dib);

		FreeImage_OutputMessageProc(s_format_id, message);
	}

	return NULL;
}

开发者ID:MichaelH13，项目名称:sdkpub，代码行数:101，代码来源:PluginBMP.cpp

示例19: FreeImage_GetMetadata

void ofxGifDecoder::processFrame(FIBITMAP * bmp, int _frameNum){
        FITAG *tag;
        ofPixels pix;
    
        unsigned int   frameLeft, frameTop;
        float frameDuration;
        GifFrameDisposal disposal_method = GIF_DISPOSAL_BACKGROUND;
        
        if( FreeImage_GetMetadata(FIMD_ANIMATION, bmp, "FrameLeft", &tag)) {
                frameLeft = *(unsigned short *)FreeImage_GetTagValue(tag);
            }
        
        if( FreeImage_GetMetadata(FIMD_ANIMATION, bmp, "FrameTop", &tag)) {
                frameTop = *(unsigned short *)FreeImage_GetTagValue(tag);
            }
        
        if( FreeImage_GetMetadata(FIMD_ANIMATION, bmp, "FrameTime", &tag)) {
                long frameTime = *(long *)FreeImage_GetTagValue(tag);// centiseconds 1/100 sec
                frameDuration =(float)frameTime/1000.f;
            }
        
        if( FreeImage_GetMetadata(FIMD_ANIMATION, bmp, "DisposalMethod", &tag)) {
                disposal_method = (GifFrameDisposal) *(unsigned char *)FreeImage_GetTagValue(tag);
            }
        
        // we do this for drawing. eventually we should be able to draw 8 bits? at least to retain the data
    //    if(FreeImage_GetBPP(bmp) == 8) {
    //        // maybe we should only do this when asked for rendering?
    //        bmp = FreeImage_ConvertTo24Bits(bmp);
    //    }
        
        FIBITMAP* bmpConverted = NULL;
    if(FreeImage_GetColorType(bmp) == FIC_PALETTE || FreeImage_GetBPP(bmp) < 8) {
        if(FreeImage_IsTransparent(bmp)) {
            bmpConverted = FreeImage_ConvertTo32Bits(bmp);
        } else {
            bmpConverted = FreeImage_ConvertTo24Bits(bmp);
        }
        bmp = bmpConverted;
    }
        
    unsigned int width      = FreeImage_GetWidth(bmp);
    unsigned int height     = FreeImage_GetHeight(bmp);
    unsigned int bpp        = FreeImage_GetBPP(bmp);
        // changed this bc we're not using PixelType template anywhere else...
    unsigned int channels   = (bpp / sizeof( unsigned char )) / 8;
    unsigned int pitch      = FreeImage_GetPitch(bmp);
        
    // ofPixels are top left, FIBITMAP is bottom left
    FreeImage_FlipVertical(bmp);
    
    unsigned char * bmpBits = FreeImage_GetBits(bmp);
        
    if(bmpBits != NULL) {
                
        pix.setFromAlignedPixels(bmpBits, width, height, channels, pitch);
                    
                #ifdef TARGET_LITTLE_ENDIAN
                    pix.swapRgb();
                #endif
                
                gifFile.addFrame(pix, frameLeft, frameTop, disposal_method, frameDuration);
    } else {
        ofLogError() << "ofImage::putBmpIntoPixels() unable to set ofPixels from FIBITMAP";
    }
}

开发者ID:ccabrales，项目名称:ZoneRush，代码行数:66，代码来源:ofxGifDecoder.cpp

示例20: FreeImage_SetOutputMessage

    //---------------------------------------------------------------------
    Codec::DecodeResult FreeImageCodec::decode(DataStreamPtr& input) const
    {
		// Set error handler
		FreeImage_SetOutputMessage(FreeImageLoadErrorHandler);

		// Buffer stream into memory (TODO: override IO functions instead?)
		MemoryDataStream memStream(input, true);

		FIMEMORY* fiMem = 
			FreeImage_OpenMemory(memStream.getPtr(), static_cast<DWORD>(memStream.size()));

		FIBITMAP* fiBitmap = FreeImage_LoadFromMemory(
			(FREE_IMAGE_FORMAT)mFreeImageType, fiMem);
		if (!fiBitmap)
		{
			OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, 
				"Error decoding image", 
				"FreeImageCodec::decode");
		}


		ImageData* imgData = OGRE_NEW ImageData();
		MemoryDataStreamPtr output;

		imgData->depth = 1; // only 2D formats handled by this codec
		imgData->width = FreeImage_GetWidth(fiBitmap);
		imgData->height = FreeImage_GetHeight(fiBitmap);
        imgData->num_mipmaps = 0; // no mipmaps in non-DDS 
        imgData->flags = 0;

		// Must derive format first, this may perform conversions
		
		FREE_IMAGE_TYPE imageType = FreeImage_GetImageType(fiBitmap);
		FREE_IMAGE_COLOR_TYPE colourType = FreeImage_GetColorType(fiBitmap);
		unsigned bpp = FreeImage_GetBPP(fiBitmap);

		switch(imageType)
		{
		case FIT_UNKNOWN:
		case FIT_COMPLEX:
		case FIT_UINT32:
		case FIT_INT32:
		case FIT_DOUBLE:
        default:
			OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, 
				"Unknown or unsupported image format", 
				"FreeImageCodec::decode");
				
			break;
		case FIT_BITMAP:
			// Standard image type
			// Perform any colour conversions for greyscale
			if (colourType == FIC_MINISWHITE || colourType == FIC_MINISBLACK)
			{
				FIBITMAP* newBitmap = FreeImage_ConvertToGreyscale(fiBitmap);
				// free old bitmap and replace
				FreeImage_Unload(fiBitmap);
				fiBitmap = newBitmap;
				// get new formats
				bpp = FreeImage_GetBPP(fiBitmap);
				colourType = FreeImage_GetColorType(fiBitmap);
			}
			// Perform any colour conversions for RGB
			else if (bpp < 8 || colourType == FIC_PALETTE || colourType == FIC_CMYK)
			{
				FIBITMAP* newBitmap =  NULL;	
				if (FreeImage_IsTransparent(fiBitmap))
				{
					// convert to 32 bit to preserve the transparency 
					// (the alpha byte will be 0 if pixel is transparent)
					newBitmap = FreeImage_ConvertTo32Bits(fiBitmap);
				}
				else
				{
					// no transparency - only 3 bytes are needed
					newBitmap = FreeImage_ConvertTo24Bits(fiBitmap);
				}

				// free old bitmap and replace
				FreeImage_Unload(fiBitmap);
				fiBitmap = newBitmap;
				// get new formats
				bpp = FreeImage_GetBPP(fiBitmap);
				colourType = FreeImage_GetColorType(fiBitmap);
			}

			// by this stage, 8-bit is greyscale, 16/24/32 bit are RGB[A]
			switch(bpp)
			{
			case 8:
				imgData->format = PF_L8;
				break;
			case 16:
				// Determine 555 or 565 from green mask
				// cannot be 16-bit greyscale since that's FIT_UINT16
				if(FreeImage_GetGreenMask(fiBitmap) == FI16_565_GREEN_MASK)
				{
					imgData->format = PF_R5G6B5;
				}
//.........这里部分代码省略.........

开发者ID:LiberatorUSA，项目名称:GUCE，代码行数:101，代码来源:OgreFreeImageCodec.cpp

注：本文中的FreeImage_GetColorType函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ FreeImage_GetColorType函数代码示例

示例1: FreeImage_GetImageType

示例2: NPP_ASSERT_MSG

示例3: sFileName_

示例4: FreeImage_Invert

示例5: putBmpIntoPixels

示例6: unload

示例7: FreeImage_IsTransparent

示例8: FreeImage_GetWidth

示例9: FreeImage_GetColorType

示例10: putBmpIntoPixels

示例11: IsVisualGreyscaleImage

示例12: loadImage

示例13: putBmpIntoPixels

示例14: FreeImage_IsTransparent

示例15: FreeImage_GetColorType

示例16: load

示例17: LoadOS21XBMP

示例18: LoadOS22XBMP

示例19: FreeImage_GetMetadata

示例20: FreeImage_SetOutputMessage

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SimpleSoftwareIO/simple-sms: Send and re

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