diff options
Diffstat (limited to 'plugins/AdvaImg/src/FreeImageToolkit/JPEGTransform.cpp')
| -rw-r--r-- | plugins/AdvaImg/src/FreeImageToolkit/JPEGTransform.cpp | 623 |
1 files changed, 0 insertions, 623 deletions
diff --git a/plugins/AdvaImg/src/FreeImageToolkit/JPEGTransform.cpp b/plugins/AdvaImg/src/FreeImageToolkit/JPEGTransform.cpp deleted file mode 100644 index 6f9ba8e1f2..0000000000 --- a/plugins/AdvaImg/src/FreeImageToolkit/JPEGTransform.cpp +++ /dev/null @@ -1,623 +0,0 @@ -// ========================================================== -// JPEG lossless transformations -// -// Design and implementation by -// - Petr Pytelka (pyta@lightcomp.com) -// - Hervé Drolon (drolon@infonie.fr) -// - Mihail Naydenov (mnaydenov@users.sourceforge.net) -// -// This file is part of FreeImage 3 -// -// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY -// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES -// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE -// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED -// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT -// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY -// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL -// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER -// THIS DISCLAIMER. -// -// Use at your own risk! -// ========================================================== - -extern "C" { -#define XMD_H -#undef FAR -#include <setjmp.h> - -#include "../LibJPEG/jinclude.h" -#include "../LibJPEG/jpeglib.h" -#include "../LibJPEG/jerror.h" -#include "../LibJPEG/transupp.h" -} - -#include "FreeImage.h" -#include "Utilities.h" -#include "FreeImageIO.h" - -// ---------------------------------------------------------- -// Source manager & Destination manager setup -// (see PluginJPEG.cpp) -// ---------------------------------------------------------- - -void jpeg_freeimage_src(j_decompress_ptr cinfo, fi_handle infile, FreeImageIO *io); -void jpeg_freeimage_dst(j_compress_ptr cinfo, fi_handle outfile, FreeImageIO *io); - -// ---------------------------------------------------------- -// Error handling -// (see also PluginJPEG.cpp) -// ---------------------------------------------------------- - -/** - Receives control for a fatal error. Information sufficient to - generate the error message has been stored in cinfo->err; call - output_message to display it. Control must NOT return to the caller; - generally this routine will exit() or longjmp() somewhere. -*/ -METHODDEF(void) -ls_jpeg_error_exit (j_common_ptr cinfo) { - // always display the message - (*cinfo->err->output_message)(cinfo); - - // allow JPEG with a premature end of file - if((cinfo)->err->msg_parm.i[0] != 13) { - - // let the memory manager delete any temp files before we die - jpeg_destroy(cinfo); - - throw FIF_JPEG; - } -} - -/** - Actual output of any JPEG message. Note that this method does not know - how to generate a message, only where to send it. -*/ -METHODDEF(void) -ls_jpeg_output_message (j_common_ptr cinfo) { - char buffer[JMSG_LENGTH_MAX]; - - // create the message - (*cinfo->err->format_message)(cinfo, buffer); - // send it to user's message proc - FreeImage_OutputMessageProc(FIF_JPEG, buffer); -} - -// ---------------------------------------------------------- -// Main program -// ---------------------------------------------------------- - -/** -Build a crop string. - -@param crop Output crop string -@param left Specifies the left position of the cropped rectangle -@param top Specifies the top position of the cropped rectangle -@param right Specifies the right position of the cropped rectangle -@param bottom Specifies the bottom position of the cropped rectangle -@param width Image width -@param height Image height -@return Returns TRUE if successful, returns FALSE otherwise -*/ -static BOOL -getCropString(char* crop, int* left, int* top, int* right, int* bottom, int width, int height) { - if(!left || !top || !right || !bottom) { - return FALSE; - } - - *left = CLAMP(*left, 0, width); - *top = CLAMP(*top, 0, height); - - // negative/zero right and bottom count from the edges inwards - - if(*right <= 0) { - *right = width + *right; - } - if(*bottom <= 0) { - *bottom = height + *bottom; - } - - *right = CLAMP(*right, 0, width); - *bottom = CLAMP(*bottom, 0, height); - - // test for empty rect - - if(((*left - *right) == 0) || ((*top - *bottom) == 0)) { - return FALSE; - } - - // normalize the rectangle - - if(*right < *left) { - INPLACESWAP(*left, *right); - } - if(*bottom < *top) { - INPLACESWAP(*top, *bottom); - } - - // test for "noop" rect - - if(*left == 0 && *right == width && *top == 0 && *bottom == height) { - return FALSE; - } - - // build the crop option - sprintf(crop, "%dx%d+%d+%d", *right - *left, *bottom - *top, *left, *top); - - return TRUE; -} - -static BOOL -JPEGTransformFromHandle(FreeImageIO* src_io, fi_handle src_handle, FreeImageIO* dst_io, fi_handle dst_handle, FREE_IMAGE_JPEG_OPERATION operation, int* left, int* top, int* right, int* bottom, BOOL perfect) { - const BOOL onlyReturnCropRect = (dst_io == NULL) || (dst_handle == NULL); - const long stream_start = onlyReturnCropRect ? 0 : dst_io->tell_proc(dst_handle); - BOOL swappedDim = FALSE; - BOOL trimH = FALSE; - BOOL trimV = FALSE; - - // Set up the jpeglib structures - jpeg_decompress_struct srcinfo; - jpeg_compress_struct dstinfo; - jpeg_error_mgr jsrcerr, jdsterr; - jvirt_barray_ptr *src_coef_arrays = NULL; - jvirt_barray_ptr *dst_coef_arrays = NULL; - // Support for copying optional markers from source to destination file - JCOPY_OPTION copyoption; - // Image transformation options - jpeg_transform_info transfoptions; - - // Initialize structures - memset(&srcinfo, 0, sizeof(srcinfo)); - memset(&jsrcerr, 0, sizeof(jsrcerr)); - memset(&jdsterr, 0, sizeof(jdsterr)); - memset(&dstinfo, 0, sizeof(dstinfo)); - memset(&transfoptions, 0, sizeof(transfoptions)); - - // Copy all extra markers from source file - copyoption = JCOPYOPT_ALL; - - // Set up default JPEG parameters - transfoptions.force_grayscale = FALSE; - transfoptions.crop = FALSE; - - // Select the transform option - switch(operation) { - case FIJPEG_OP_FLIP_H: // horizontal flip - transfoptions.transform = JXFORM_FLIP_H; - trimH = TRUE; - break; - case FIJPEG_OP_FLIP_V: // vertical flip - transfoptions.transform = JXFORM_FLIP_V; - trimV = TRUE; - break; - case FIJPEG_OP_TRANSPOSE: // transpose across UL-to-LR axis - transfoptions.transform = JXFORM_TRANSPOSE; - swappedDim = TRUE; - break; - case FIJPEG_OP_TRANSVERSE: // transpose across UR-to-LL axis - transfoptions.transform = JXFORM_TRANSVERSE; - trimH = TRUE; - trimV = TRUE; - swappedDim = TRUE; - break; - case FIJPEG_OP_ROTATE_90: // 90-degree clockwise rotation - transfoptions.transform = JXFORM_ROT_90; - trimH = TRUE; - swappedDim = TRUE; - break; - case FIJPEG_OP_ROTATE_180: // 180-degree rotation - trimH = TRUE; - trimV = TRUE; - transfoptions.transform = JXFORM_ROT_180; - break; - case FIJPEG_OP_ROTATE_270: // 270-degree clockwise (or 90 ccw) - transfoptions.transform = JXFORM_ROT_270; - trimV = TRUE; - swappedDim = TRUE; - break; - default: - case FIJPEG_OP_NONE: // no transformation - transfoptions.transform = JXFORM_NONE; - break; - } - // (perfect == TRUE) ==> fail if there is non-transformable edge blocks - transfoptions.perfect = (perfect == TRUE) ? TRUE : FALSE; - // Drop non-transformable edge blocks: trim off any partial edge MCUs that the transform can't handle. - transfoptions.trim = TRUE; - - try { - - // Initialize the JPEG decompression object with default error handling - srcinfo.err = jpeg_std_error(&jsrcerr); - srcinfo.err->error_exit = ls_jpeg_error_exit; - srcinfo.err->output_message = ls_jpeg_output_message; - jpeg_create_decompress(&srcinfo); - - // Initialize the JPEG compression object with default error handling - dstinfo.err = jpeg_std_error(&jdsterr); - dstinfo.err->error_exit = ls_jpeg_error_exit; - dstinfo.err->output_message = ls_jpeg_output_message; - jpeg_create_compress(&dstinfo); - - // Specify data source for decompression - jpeg_freeimage_src(&srcinfo, src_handle, src_io); - - // Enable saving of extra markers that we want to copy - jcopy_markers_setup(&srcinfo, copyoption); - - // Read the file header - jpeg_read_header(&srcinfo, TRUE); - - // crop option - char crop[64]; - const BOOL hasCrop = getCropString(crop, left, top, right, bottom, swappedDim ? srcinfo.image_height : srcinfo.image_width, swappedDim ? srcinfo.image_width : srcinfo.image_height); - - if(hasCrop) { - if(!jtransform_parse_crop_spec(&transfoptions, crop)) { - FreeImage_OutputMessageProc(FIF_JPEG, "Bogus crop argument %s", crop); - throw(1); - } - } - - // Any space needed by a transform option must be requested before - // jpeg_read_coefficients so that memory allocation will be done right - - // Prepare transformation workspace - // Fails right away if perfect flag is TRUE and transformation is not perfect - if( !jtransform_request_workspace(&srcinfo, &transfoptions) ) { - FreeImage_OutputMessageProc(FIF_JPEG, "Transformation is not perfect"); - throw(1); - } - - if(left || top) { - // compute left and top offsets, it's a bit tricky, taking into account both - // transform, which might have trimed the image, - // and crop itself, which is adjusted to lie on a iMCU boundary - - const int fullWidth = swappedDim ? srcinfo.image_height : srcinfo.image_width; - const int fullHeight = swappedDim ? srcinfo.image_width : srcinfo.image_height; - - int transformedFullWidth = fullWidth; - int transformedFullHeight = fullHeight; - - if(trimH && transformedFullWidth/transfoptions.iMCU_sample_width > 0) { - transformedFullWidth = (transformedFullWidth/transfoptions.iMCU_sample_width) * transfoptions.iMCU_sample_width; - } - if(trimV && transformedFullHeight/transfoptions.iMCU_sample_height > 0) { - transformedFullHeight = (transformedFullHeight/transfoptions.iMCU_sample_height) * transfoptions.iMCU_sample_height; - } - - const int trimmedWidth = fullWidth - transformedFullWidth; - const int trimmedHeight = fullHeight - transformedFullHeight; - - if(left) { - *left = trimmedWidth + transfoptions.x_crop_offset * transfoptions.iMCU_sample_width; - } - if(top) { - *top = trimmedHeight + transfoptions.y_crop_offset * transfoptions.iMCU_sample_height; - } - } - - if(right) { - *right = (left ? *left : 0) + transfoptions.output_width; - } - if(bottom) { - *bottom = (top ? *top : 0) + transfoptions.output_height; - } - - // if only the crop rect is requested, we are done - - if(onlyReturnCropRect) { - jpeg_destroy_compress(&dstinfo); - jpeg_destroy_decompress(&srcinfo); - return TRUE; - } - - // Read source file as DCT coefficients - src_coef_arrays = jpeg_read_coefficients(&srcinfo); - - // Initialize destination compression parameters from source values - jpeg_copy_critical_parameters(&srcinfo, &dstinfo); - - // Adjust destination parameters if required by transform options; - // also find out which set of coefficient arrays will hold the output - dst_coef_arrays = jtransform_adjust_parameters(&srcinfo, &dstinfo, src_coef_arrays, &transfoptions); - - // Note: we assume that jpeg_read_coefficients consumed all input - // until JPEG_REACHED_EOI, and that jpeg_finish_decompress will - // only consume more while (! cinfo->inputctl->eoi_reached). - // We cannot call jpeg_finish_decompress here since we still need the - // virtual arrays allocated from the source object for processing. - - if(src_handle == dst_handle) { - dst_io->seek_proc(dst_handle, stream_start, SEEK_SET); - } - - // Specify data destination for compression - jpeg_freeimage_dst(&dstinfo, dst_handle, dst_io); - - // Start compressor (note no image data is actually written here) - jpeg_write_coefficients(&dstinfo, dst_coef_arrays); - - // Copy to the output file any extra markers that we want to preserve - jcopy_markers_execute(&srcinfo, &dstinfo, copyoption); - - // Execute image transformation, if any - jtransform_execute_transformation(&srcinfo, &dstinfo, src_coef_arrays, &transfoptions); - - // Finish compression and release memory - jpeg_finish_compress(&dstinfo); - jpeg_destroy_compress(&dstinfo); - jpeg_finish_decompress(&srcinfo); - jpeg_destroy_decompress(&srcinfo); - - } - catch(...) { - jpeg_destroy_compress(&dstinfo); - jpeg_destroy_decompress(&srcinfo); - return FALSE; - } - - return TRUE; -} - -// ---------------------------------------------------------- -// FreeImage interface -// ---------------------------------------------------------- - -BOOL DLL_CALLCONV -FreeImage_JPEGTransformFromHandle(FreeImageIO* src_io, fi_handle src_handle, FreeImageIO* dst_io, fi_handle dst_handle, FREE_IMAGE_JPEG_OPERATION operation, int* left, int* top, int* right, int* bottom, BOOL perfect) { - return JPEGTransformFromHandle(src_io, src_handle, dst_io, dst_handle, operation, left, top, right, bottom, perfect); -} - -static void -closeStdIO(fi_handle src_handle, fi_handle dst_handle) { - if(src_handle) { - fclose((FILE*)src_handle); - } - if(dst_handle && (dst_handle != src_handle)) { - fclose((FILE*)dst_handle); - } -} - -static BOOL -openStdIO(const char* src_file, const char* dst_file, FreeImageIO* dst_io, fi_handle* src_handle, fi_handle* dst_handle) { - *src_handle = NULL; - *dst_handle = NULL; - - FreeImageIO io; - SetDefaultIO (&io); - - const BOOL isSameFile = (dst_file && (strcmp(src_file, dst_file) == 0)) ? TRUE : FALSE; - - FILE* srcp = NULL; - FILE* dstp = NULL; - - if(isSameFile) { - srcp = fopen(src_file, "r+b"); - dstp = srcp; - } - else { - srcp = fopen(src_file, "rb"); - if(dst_file) { - dstp = fopen(dst_file, "wb"); - } - } - - if(!srcp || (dst_file && !dstp)) { - if(!srcp) { - FreeImage_OutputMessageProc(FIF_JPEG, "Cannot open \"%s\" for reading", src_file); - } else { - FreeImage_OutputMessageProc(FIF_JPEG, "Cannot open \"%s\" for writing", dst_file); - } - closeStdIO(srcp, dstp); - return FALSE; - } - - if(FreeImage_GetFileTypeFromHandle(&io, srcp) != FIF_JPEG) { - FreeImage_OutputMessageProc(FIF_JPEG, " Source file \"%s\" is not jpeg", src_file); - closeStdIO(srcp, dstp); - return FALSE; - } - - *dst_io = io; - *src_handle = srcp; - *dst_handle = dstp; - - return TRUE; -} - -static BOOL -openStdIOU(const wchar_t* src_file, const wchar_t* dst_file, FreeImageIO* dst_io, fi_handle* src_handle, fi_handle* dst_handle) { -#ifdef _WIN32 - - *src_handle = NULL; - *dst_handle = NULL; - - FreeImageIO io; - SetDefaultIO (&io); - - const BOOL isSameFile = (dst_file && (wcscmp(src_file, dst_file) == 0)) ? TRUE : FALSE; - - FILE* srcp = NULL; - FILE* dstp = NULL; - - if(isSameFile) { - srcp = _wfopen(src_file, L"r+b"); - dstp = srcp; - } else { - srcp = _wfopen(src_file, L"rb"); - if(dst_file) { - dstp = _wfopen(dst_file, L"wb"); - } - } - - if(!srcp || (dst_file && !dstp)) { - if(!srcp) { - FreeImage_OutputMessageProc(FIF_JPEG, "Cannot open source file for reading"); - } else { - FreeImage_OutputMessageProc(FIF_JPEG, "Cannot open destination file for writing"); - } - closeStdIO(srcp, dstp); - return FALSE; - } - - if(FreeImage_GetFileTypeFromHandle(&io, srcp) != FIF_JPEG) { - FreeImage_OutputMessageProc(FIF_JPEG, " Source file is not jpeg"); - closeStdIO(srcp, dstp); - return FALSE; - } - - *dst_io = io; - *src_handle = srcp; - *dst_handle = dstp; - - return TRUE; - -#else - return FALSE; -#endif // _WIN32 -} - -BOOL DLL_CALLCONV -FreeImage_JPEGTransform(const char *src_file, const char *dst_file, FREE_IMAGE_JPEG_OPERATION operation, BOOL perfect) { - FreeImageIO io; - fi_handle src; - fi_handle dst; - - if(!openStdIO(src_file, dst_file, &io, &src, &dst)) { - return FALSE; - } - - BOOL ret = JPEGTransformFromHandle(&io, src, &io, dst, operation, NULL, NULL, NULL, NULL, perfect); - - closeStdIO(src, dst); - - return ret; -} - -BOOL DLL_CALLCONV -FreeImage_JPEGCrop(const char *src_file, const char *dst_file, int left, int top, int right, int bottom) { - FreeImageIO io; - fi_handle src; - fi_handle dst; - - if(!openStdIO(src_file, dst_file, &io, &src, &dst)) { - return FALSE; - } - - BOOL ret = FreeImage_JPEGTransformFromHandle(&io, src, &io, dst, FIJPEG_OP_NONE, &left, &top, &right, &bottom, FALSE); - - closeStdIO(src, dst); - - return ret; -} - -BOOL DLL_CALLCONV -FreeImage_JPEGTransformU(const wchar_t *src_file, const wchar_t *dst_file, FREE_IMAGE_JPEG_OPERATION operation, BOOL perfect) { - FreeImageIO io; - fi_handle src; - fi_handle dst; - - if(!openStdIOU(src_file, dst_file, &io, &src, &dst)) { - return FALSE; - } - - BOOL ret = JPEGTransformFromHandle(&io, src, &io, dst, operation, NULL, NULL, NULL, NULL, perfect); - - closeStdIO(src, dst); - - return ret; -} - -BOOL DLL_CALLCONV -FreeImage_JPEGCropU(const wchar_t *src_file, const wchar_t *dst_file, int left, int top, int right, int bottom) { - FreeImageIO io; - fi_handle src; - fi_handle dst; - - if(!openStdIOU(src_file, dst_file, &io, &src, &dst)) { - return FALSE; - } - - BOOL ret = FreeImage_JPEGTransformFromHandle(&io, src, &io, dst, FIJPEG_OP_NONE, &left, &top, &right, &bottom, FALSE); - - closeStdIO(src, dst); - - return ret; -} - -BOOL DLL_CALLCONV -FreeImage_JPEGTransformCombined(const char *src_file, const char *dst_file, FREE_IMAGE_JPEG_OPERATION operation, int* left, int* top, int* right, int* bottom, BOOL perfect) { - FreeImageIO io; - fi_handle src; - fi_handle dst; - - if(!openStdIO(src_file, dst_file, &io, &src, &dst)) { - return FALSE; - } - - BOOL ret = FreeImage_JPEGTransformFromHandle(&io, src, &io, dst, operation, left, top, right, bottom, perfect); - - closeStdIO(src, dst); - - return ret; -} - -BOOL DLL_CALLCONV -FreeImage_JPEGTransformCombinedU(const wchar_t *src_file, const wchar_t *dst_file, FREE_IMAGE_JPEG_OPERATION operation, int* left, int* top, int* right, int* bottom, BOOL perfect) { - FreeImageIO io; - fi_handle src; - fi_handle dst; - - if(!openStdIOU(src_file, dst_file, &io, &src, &dst)) { - return FALSE; - } - - BOOL ret = FreeImage_JPEGTransformFromHandle(&io, src, &io, dst, operation, left, top, right, bottom, perfect); - - closeStdIO(src, dst); - - return ret; -} - -// -------------------------------------------------------------------------- - -static BOOL -getMemIO(FIMEMORY* src_stream, FIMEMORY* dst_stream, FreeImageIO* dst_io, fi_handle* src_handle, fi_handle* dst_handle) { - *src_handle = NULL; - *dst_handle = NULL; - - FreeImageIO io; - SetMemoryIO (&io); - - if(dst_stream) { - FIMEMORYHEADER *mem_header = (FIMEMORYHEADER*)(dst_stream->data); - if(mem_header->delete_me != TRUE) { - // do not save in a user buffer - FreeImage_OutputMessageProc(FIF_JPEG, "Destination memory buffer is read only"); - return FALSE; - } - } - - *dst_io = io; - *src_handle = src_stream; - *dst_handle = dst_stream; - - return TRUE; -} - -BOOL DLL_CALLCONV -FreeImage_JPEGTransformCombinedFromMemory(FIMEMORY* src_stream, FIMEMORY* dst_stream, FREE_IMAGE_JPEG_OPERATION operation, int* left, int* top, int* right, int* bottom, BOOL perfect) { - FreeImageIO io; - fi_handle src; - fi_handle dst; - - if(!getMemIO(src_stream, dst_stream, &io, &src, &dst)) { - return FALSE; - } - - return FreeImage_JPEGTransformFromHandle(&io, src, &io, dst, operation, left, top, right, bottom, perfect); -} - |