//---------------------------------------------------------------- void ofSaveImage(ofPixels & pix, string fileName, ofImageQualityType qualityLevel) { if (pix.isAllocated() == false){ ofLog(OF_LOG_ERROR,"error saving image - pixels aren't allocated"); return; } #ifdef TARGET_LITTLE_ENDIAN pix.swapRgb(); #endif FIBITMAP * bmp = getBmpFromPixels(pix); #ifdef TARGET_LITTLE_ENDIAN pix.swapRgb(); #endif fileName = ofToDataPath(fileName); FREE_IMAGE_FORMAT fif = FIF_UNKNOWN; fif = FreeImage_GetFileType(fileName.c_str(), 0); if(fif == FIF_UNKNOWN) { // or guess via filename fif = FreeImage_GetFIFFromFilename(fileName.c_str()); } if((fif != FIF_UNKNOWN) && FreeImage_FIFSupportsReading(fif)) { if(fif == FIF_JPEG) { int quality = JPEG_QUALITYSUPERB; switch(qualityLevel) { case OF_IMAGE_QUALITY_WORST: quality = JPEG_QUALITYBAD; break; case OF_IMAGE_QUALITY_LOW: quality = JPEG_QUALITYAVERAGE; break; case OF_IMAGE_QUALITY_MEDIUM: quality = JPEG_QUALITYNORMAL; break; case OF_IMAGE_QUALITY_HIGH: quality = JPEG_QUALITYGOOD; break; case OF_IMAGE_QUALITY_BEST: quality = JPEG_QUALITYSUPERB; break; } FreeImage_Save(fif, bmp, fileName.c_str(), quality); } else { if(qualityLevel != OF_IMAGE_QUALITY_BEST) { ofLog(OF_LOG_WARNING, "ofImageCompressionType only applies to JPEG images, ignoring value."); } FreeImage_Save(fif, bmp, fileName.c_str()); } } if (bmp != NULL){ FreeImage_Unload(bmp); } }
//---------------------------------------------------------------- void ofImage::saveImageFromPixels(string fileName, ofPixels &pix){ if (pix.isAllocated() == false){ ofLog(OF_LOG_ERROR,"error saving image - pixels aren't allocated"); return; } #ifdef TARGET_LITTLE_ENDIAN pix.swapRgb(); #endif FIBITMAP * bmp = getBmpFromPixels(pix); #ifdef TARGET_LITTLE_ENDIAN pix.swapRgb(); #endif fileName = ofToDataPath(fileName); if (pix.isAllocated()){ FREE_IMAGE_FORMAT fif = FIF_UNKNOWN; fif = FreeImage_GetFileType(fileName.c_str(), 0); if(fif == FIF_UNKNOWN) { // or guess via filename fif = FreeImage_GetFIFFromFilename(fileName.c_str()); } if((fif != FIF_UNKNOWN) && FreeImage_FIFSupportsReading(fif)) { if((FREE_IMAGE_FORMAT)fif != FIF_JPEG) FreeImage_Save(fif, bmp, fileName.c_str()); else FreeImage_Save(fif, bmp, fileName.c_str(),JPEG_QUALITYSUPERB); } } if (bmp != NULL){ FreeImage_Unload(bmp); } }
//---------------------------------------------------- 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 }