diff options
Diffstat (limited to 'src/imlib.c')
-rw-r--r-- | src/imlib.c | 115 |
1 files changed, 15 insertions, 100 deletions
diff --git a/src/imlib.c b/src/imlib.c index a441ab0..6051206 100644 --- a/src/imlib.c +++ b/src/imlib.c @@ -968,114 +968,29 @@ gib_list *feh_wrap_string(char *text, int wrap_width, int max_height, Imlib_Font void feh_edit_inplace_lossless_rotate(winwidget w, int orientation) { - FILE *input_file; - FILE *output_file; struct jpeg_decompress_struct srcinfo; struct jpeg_compress_struct dstinfo; struct jpeg_error_mgr jsrcerr, jdsterr; - jvirt_barray_ptr *src_coef_arrays; - jvirt_barray_ptr *dst_coef_arrays; - JCOPY_OPTION copyoption; - jpeg_transform_info transformoption; - int len; - char *outfilename; - char *infilename = FEH_FILE(w->file->data)->filename; - - copyoption = JCOPYOPT_ALL; - transformoption.transform = JXFORM_NONE; - transformoption.trim = FALSE; - transformoption.force_grayscale = FALSE; - - if (orientation == 1) { - transformoption.transform = JXFORM_ROT_90; - } else if (orientation == 2) { - transformoption.transform = JXFORM_ROT_180; - } else { - transformoption.transform = JXFORM_ROT_270; - } - - if ((input_file = fopen(infilename, "rb")) == NULL) { - weprintf("couldn't open file for reading: %s\n", infilename); - D_RETURN_(4); - } - len = strlen(infilename) + sizeof(".tmp") + 1; - outfilename = emalloc(len); - snprintf(outfilename, len, "%s.tmp", infilename); - - if ((output_file = fopen(outfilename, "wb")) == NULL) { - weprintf("couldn't open file for writing: %s\n", outfilename); - free(outfilename); - fclose(input_file); - D_RETURN_(4); - } - - /* Initialize the JPEG decompression object with default error handling. */ - srcinfo.err = jpeg_std_error(&jsrcerr); - jpeg_create_decompress(&srcinfo); - - /* Initialize the JPEG compression object with default error handling. */ - dstinfo.err = jpeg_std_error(&jdsterr); - jpeg_create_compress(&dstinfo); - jsrcerr.trace_level = jdsterr.trace_level; - - /* Specify data source for decompression */ - jpeg_stdio_src(&srcinfo, input_file); - - /* Enable saving of extra markers that we want to copy */ - jcopy_markers_setup(&srcinfo, copyoption); - - /* Read file header */ - (void) jpeg_read_header(&srcinfo, TRUE); + char *filename = FEH_FILE(w->file->data)->filename; + int len = 44 + (strlen(filename) * 2); + char *command = emalloc(len); + int rotatearg = 90 * orientation; + int status; - /* Any space needed by a transform option must be requested before - * jpeg_read_coefficients so that memory allocation will be done right. - */ - jtransform_request_workspace(&srcinfo, &transformoption); - - /* 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, &transformoption); - - /* Specify data destination for compression */ - jpeg_stdio_dest(&dstinfo, output_file); - - /* Start compressor (note no image data is actually written here) */ - jpeg_write_coefficients(&dstinfo, dst_coef_arrays); + snprintf(command, len, "jpegtran -copy all -rotate %d -outfile %s %s", + rotatearg, filename, filename); - /* Copy to the output file any extra markers that we want to preserve */ - jcopy_markers_execute(&srcinfo, &dstinfo, copyoption); + D(3, ("lossless_rotate: executing: %s", command)); - /* Execute image transformation */ - jtransform_execute_transformation(&srcinfo, &dstinfo, src_coef_arrays, &transformoption); + status = system(command); - /* Finish compression and release memory */ - jpeg_finish_compress(&dstinfo); - jpeg_destroy_compress(&dstinfo); - - (void) jpeg_finish_decompress(&srcinfo); - jpeg_destroy_decompress(&srcinfo); - - fclose(input_file); - fclose(output_file); - - /* TODO fix EXIF tags (orientation, width, height) */ - - /* rename outfilename to infilename.. if it worked */ - if (jsrcerr.num_warnings > 0) { - weprintf("got errors from libjpeg (%d), not replacing file\n", jsrcerr.num_warnings); - } else { - if (rename(outfilename, infilename)) { - weprintf("failed to replace file %s with %s\n", infilename, outfilename); - } + if (status == -1) + weprintf("lossless rotate failed: system() failed\n"); + else if (status > 0) { + weprintf("lossless rotate failed: Got return status %d from jpegtran\n", + WEXITSTATUS(status)); + weprintf("Commandline was: %s", command); } - free(outfilename); } void feh_draw_actions(winwidget w) |