/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % CCCC OOO N N V V EEEEE RRRR TTTTT % % C O O NN N V V E R R T % % C O O N N N V V EEE RRRR T % % C O O N NN V V E R R T % % CCCC OOO N N V EEEEE R R T % % % % % % Convert an image from one format to another. % % % % % % % % Software Design % % John Cristy % % April 1992 % % % % % % Copyright 1994 E. I. Dupont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. Dupont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. Dupont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. Dupont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. Dupont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Convert converts an input file using one image format to an output file % with a differing image format. % % The convert program syntax is: % % Usage: convert [options ...] input_file output_file % % Where options include: % -blur apply a filter to blur the image % -border geometry surround image with a border of color % -colors value preferred number of colors in the image % -colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV % -comment string annotate image with comment % -compress type RunlengthEncoded or QEncoded % -contrast enhance or reduce the image contrast % -crop geometry preferred size and location of the cropped image % -density geometry vertical and horizontal density of the image % -despeckle reduce the speckles within an image" % -display server obtain image or font from this X server % -dither apply Floyd/Steinberg error diffusion to image % -edge apply a filter to detect edges in the image % -enhance apply a digital filter to enhance a noisy image % -equalize perform histogram equalization to an image % -flip flip image in the vertical direction % -flop flop image in the horizontal direction % -font name X11 font for displaying text % -gamma value level of gamma correction % -geometry geometry perferred size or location of the image % -interlace type NONE, LINE, or PLANE % -label name assign a label to an image % -map filename transform image colors to match this set of colors % -matte store matte channel if the image has one % -modulate value vary the brightness, saturation and hue % -monochrome transform image to black and white % -negate apply color inversion to image % -noise reduce noise with a noise peak elimination filter % -normalize transform image to span the full range of colors % -page geometry size and location of the Postscript page % -quality value JPEG quality setting % -roll geometry roll an image vertically or horizontally % -rotate degrees apply Paeth rotation to the image % -sample geometry scale image with pixel sampling % -scene value image scene number % -sharpen apply a filter to sharpen the image % -shear geometry slide one edge of the image along the X or Y axis % -size geometry width and height of image % -treedepth value depth of the color classification tree % -undercolor geometry control undercolor removal and black generation % -verbose print detailed information about the image % % Change '-' to '+' in any option above to reverse its effect. For % example, specify +matte to store the image without its matte channel. % % By default, the image format of `file' is determined by its magic % number. To specify a particular image format, precede the filename % with an image format name and a colon (i.e. ps:image) or specify the % image type as the filename suffix (i.e. image.ps). Specify 'file' as % '-' for standard input or output. % % Convert recognizes the following image formats: % % Tag Description % --------------------------------------------------- % AVS AVS X image file. % BMP Microsoft Windows bitmap image file. % CMYK Raw cyan, magenta, yellow, and black bytes. % EPS Adobe Encapsulated PostScript file. % EPSF Adobe Encapsulated PostScript file. % EPSI Adobe Encapsulated PostScript Interchange format. % FAX Group 3. % FITS Flexible Image Transport System. % GIF Compuserve Graphics image file. % GIF87 Compuserve Graphics image file (version 87a). % GRAY Raw gray bytes. % HISTOGRAM % IRIS SGI RGB image file. % JPEG % MAP colormap intensities and indices % MATTE Raw matte bytes. % MIFF Magick image file format. % MTV % NULL NULL image. % PCD Photo CD % PCX ZSoft IBM PC Paintbrush file % PICT Apple Macintosh QuickDraw/PICT file. % PNM Portable bitmap. % PS Adobe PostScript file. % PS2 Adobe Level II PostScript file. % RAD Radiance image file. % RGB Raw red, green, and blue bytes. % RLE Utah Run length encoded image file; read only. % SUN SUN Rasterfile. % TEXT raw text file; read only. % TGA Truevision Targa image file. % TIFF Tagged Image File Format. % VICAR read only. % VIFF Khoros Visualization image file. % X select image from X server screen. % XC constant image of X server color. % XBM X11 bitmap file. % XPM X11 pixmap file. % XWD X Window System window dump image file. % YUV CCIR 601 1:1:1 file. % YUV3 CCIR 601 2:1:1 files. % % */ #include "magick.h" #include "image.h" #include "X.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Usage displays the program usage; % % The format of the Usage routine is: % % Usage() % % */ static void Usage() { char **p; static char *ImageTypes[]= { "Tag Description", "------------------------------------------------------------", "AVS AVS X image file.", "BMP Microsoft Windows bitmap image file.", "CMYK Raw cyan, magenta, yellow, and black bytes.", "EPS Adobe Encapsulated PostScript file.", "EPSF Adobe Encapsulated PostScript file.", "EPSI Adobe Encapsulated PostScript Interchange format.", "FAX Group 3.", "FITS Flexible Image Transport System.", "GIF Compuserve Graphics image file.", "GIF87 Compuserve Graphics image file (version 87a).", "GRAY Raw gray bytes.", "HISTOGRAM", "IRIS SGI RGB image file.", "JPEG", "MAP colormap intensities and indices.", "MATTE Raw matte bytes.", "MIFF Magick image file format.", "MTV", "NULL NULL image.", "PCD Photo CD.", "PCX ZSoft IBM PC Paintbrush file.", "PICT Apple Macintosh QuickDraw/PICT file.", "PNM Portable bitmap.", "PS Adobe PostScript file.", "PS2 Adobe Level II PostScript file.", "RAD Radiance image file.", "RGB Raw red, green, and blue bytes.", "RLE Utah Run length encoded image file; read only.", "SUN SUN Rasterfile.", "TEXT raw text file; read only.", "TGA Truevision Targa image file.", "TIFF Tagged Image File Format.", "VICAR read only.", "VIFF Khoros Visualization image file.", "X select image from X server screen.", "XC constant image of X server color.", "XBM X11 bitmap file.", "XPM X11 pixmap file.", "XWD X Window System window dump image file.", "YUV CCIR 601 1:1:1 file.", "YUV3 CCIR 601 2:1:1 files.", (char *) NULL, }, *options[]= { "-blur apply a filter to blur the image", "-border geometry surround image with a border of color", "-colors value preferred number of colors in the image", "-colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV", "-comment string annotate image with comment", "-compress type RunlengthEncoded or QEncoded", "-contrast enhance or reduce the image contrast", "-crop geometry preferred size and location of the cropped image", "-density geometry vertical and horizontal density of the image", "-despeckle reduce the speckles within an image", "-display server obtain image or font from this X server", "-dither apply Floyd/Steinberg error diffusion to image", "-edge apply a filter to detect edges in the image", "-enhance apply a digital filter to enhance a noisy image", "-equalize perform histogram equalization to an image", "-flip flip image in the vertical direction", "-flop flop image in the horizontal direction", "-font name X11 font for displaying text", "-gamma value level of gamma correction", "-geometry geometry perferred size or location of the image", "-interlace type NONE, LINE, or PLANE", "-label name assign a label to an image", "-map filename transform image colors to match this set of colors", "-matte store matte channel if the image has one", "-modulate value vary the brightness, saturation, and hue", "-monochrome transform image to black and white", "-negate apply color inversion to image", "-noise reduce noise with a noise peak elimination filter", "-normalize transform image to span the full range of colors", "-page geometry size and location of the Postscript page", "-quality value JPEG quality setting", "-roll geometry roll an image vertically or horizontally", "-rotate degrees apply Paeth rotation to the image", "-sample geometry scale image with pixel sampling", "-scene value image scene number", "-sharpen apply a filter to sharpen the image", "-shear geometry slide one edge of the image along the X or Y axis", "-size geometry width and height of image", "-treedepth value depth of the color classification tree", "-undercolor geometry control undercolor removal and black generation", "-verbose print detailed information about the image", (char *) NULL }; (void) fprintf(stderr,"Version: %s\n\n",Version); (void) fprintf(stderr,"Usage: %s [options ...] input_file output_file\n", client_name); (void) fprintf(stderr,"\nWhere options include:\n"); for (p=options; *p != (char *) NULL; p++) (void) fprintf(stderr," %s\n",*p); (void) fprintf(stderr, "\nChange '-' to '+' in any option above to reverse its effect. For\n"); (void) fprintf(stderr, "example, specify +matte to store the image without an matte channel.\n"); (void) fprintf(stderr, "\nBy default, the image format of `file' is determined by its magic\n"); (void) fprintf(stderr, "number. To specify a particular image format, precede the filename\n"); (void) fprintf(stderr, "with an image format name and a colon (i.e. ps:image) or specify the\n"); (void) fprintf(stderr, "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n"); (void) fprintf(stderr,"'-' for standard input or output.\n"); (void) fprintf(stderr,"\nThe following image formats are recognized: \n\n"); for (p=ImageTypes; *p != (char *) NULL; p++) (void) fprintf(stderr," %s\n",*p); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char *argv[]; { #define NotInitialized (unsigned int) (~0) char *filename, *option; Image *image, *map_image, *next_image; ImageInfo image_info; int status, x; register int i; unsigned int compression, matte, scene; /* Initialize program variables. */ client_name=argv[0]; if (argc < 3) Usage(); /* Read image and convert to MIFF format. */ compression=UndefinedCompression; image=(Image *) NULL; GetImageInfo(&image_info); map_image=(Image *) NULL; matte=NotInitialized; scene=0; /* Check command syntax. */ filename=(char *) NULL; for (i=1; i < (argc-1); i++) { option=argv[i]; if (((int) strlen(option) < 2) || ((*option != '-') && (*option != '+'))) { /* Read input image. */ filename=argv[i]; (void) strcpy(image_info.filename,filename); if (image != (Image *) NULL) Error("input image already specified",filename); image=ReadImage(&image_info); if (image == (Image *) NULL) exit(1); } else switch(*(option+1)) { case 'b': { if (strncmp("blur",option+1,2) == 0) break; if (strncmp("border",option+1,7) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing geometry on -border",(char *) NULL); } break; } if (strncmp("bordercolor",option+1,7) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -bordercolor",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'c': { if (strncmp("colors",option+1,7) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing colors on -colors",(char *) NULL); } break; } if (strncmp("colorspace",option+1,7) == 0) { if (*option == '-') { unsigned int colorspace; i++; if (i == argc) Error("Missing type on -colorspace",(char *) NULL); option=argv[i]; colorspace=UndefinedColorspace; if (Latin1Compare("gray",option) == 0) colorspace=GRAYColorspace; if (Latin1Compare("ohta",option) == 0) colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) colorspace=YUVColorspace; if (colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("comment",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing comment on -comment",(char *) NULL); } break; } if (strncmp("compress",option+1,4) == 0) { compression=NoCompression; if (*option == '-') { i++; if (i == argc) Error("Missing type on -compress",(char *) NULL); option=argv[i]; if (Latin1Compare("runlengthencoded",option) == 0) compression=RunlengthEncodedCompression; else if (Latin1Compare("qencoded",option) == 0) compression=QEncodedCompression; else Error("Invalid compression type on -compress",option); } break; } if (strncmp("contrast",option+1,3) == 0) break; if (strncmp("crop",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -crop",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'd': { if (strncmp("density",option+1,3) == 0) { image_info.density=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -density",(char *) NULL); image_info.density=argv[i]; } break; } if (strncmp("despeckle",option+1,3) == 0) break; if (strncmp("display",option+1,3) == 0) { image_info.server_name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); image_info.server_name=argv[i]; } break; } if (strncmp("dither",option+1,3) == 0) { image_info.dither=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 'e': { if (strncmp("edge",option+1,2) == 0) break; if (strncmp("enhance",option+1,2) == 0) break; if (strncmp("equalize",option+1,2) == 0) break; Error("Unrecognized option",option); break; } case 'f': { if (strncmp("flip",option+1,3) == 0) break; if (strncmp("flop",option+1,3) == 0) break; if (strncmp("font",option+1,2) == 0) { image_info.font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -font",(char *) NULL); image_info.font=argv[i]; } } Error("Unrecognized option",option); break; } case 'g': { if (strncmp("gamma",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -gamma",(char *) NULL); } break; } if (strncmp("geometry",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -geometry",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'h': { Usage(); break; } case 'i': { if (strncmp("interlace",option+1,3) == 0) { image_info.interlace=NoneInterlace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -interlace",(char *) NULL); option=argv[i]; image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",option) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Error("Invalid interlace type on -interlace",option); } break; } Error("Unrecognized option",option); } case 'l': { if (strncmp("label",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing label name on -label",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'm': { if (strncmp("map",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing file name on -map",(char *) NULL); (void) strcpy(image_info.filename,argv[i]); map_image=ReadImage(&image_info); if (map_image == (Image *) NULL) Error("Unable to read map image",argv[i]); } break; } if (strncmp("matte",option+1,5) == 0) { matte=(*option == '-'); break; } if (strncmp("modulate",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -modulate",(char *) NULL); } break; } if (strncmp("monochrome",option+1,4) == 0) { image_info.monochrome=(*option == '-'); break; } Error("Unrecognized option",option); } case 'n': { if (strncmp("negate",option+1,3) == 0) break; if (strncmp("noise",option+1,3) == 0) break; if (strncmp("normalize",option+1,3) == 0) break; Error("Unrecognized option",option); break; } case 'p': { if (strncmp("page",option+1,2) == 0) { image_info.page=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing page geometry on -page",(char *) NULL); image_info.page=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'q': { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing quality on -quality",(char *) NULL); image_info.quality=atoi(argv[i]); break; } case 'r': { if (strncmp("roll",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -roll",(char *) NULL); } break; } if (strncmp("rotate",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing degrees on -rotate",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 's': { if (strncmp("sample",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -sample",(char *) NULL); } break; } if (strncmp("scene",option+1,3) == 0) { scene=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing scene number on -scene",(char *) NULL); scene=atoi(argv[i]); } break; } if (strncmp("sharpen",option+1,3) == 0) break; if (strncmp("shear",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing shear geometry on -shear",(char *) NULL); } break; } if (strncmp("size",option+1,2) == 0) { image_info.size=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -size",(char *) NULL); image_info.size=argv[i]; } break; } Error("Unrecognized option",option); break; } case 't': { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing depth on -treedepth",(char *) NULL); } break; } case 'u': { if (strncmp("undercolor",option+1,2) == 0) { image_info.undercolor=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing undercolor geometry on -undercolor", (char *) NULL); image_info.undercolor=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'v': { if (strncmp("verbose",option+1,1) == 0) { image_info.verbose=(*option == '-'); break; } Error("Unrecognized option",option); break; } default: { Error("Unrecognized option",option); break; } } } if (image == (Image *) NULL) Error("Missing an image file name",(char *) NULL); /* Write images. */ do { if (matte != NotInitialized) image->matte=matte; if (compression != UndefinedCompression) image->compression=compression; if (scene != 0) image->scene=scene; /* Transmogrify image as defined by the image processing options. */ (void) strcpy(image->filename,argv[i]); MogrifyImage(&image_info,argc,argv,&image); if (map_image != (Image *) NULL) MapImage(image,map_image,False); status=WriteImage(&image_info,image); if (image_info.verbose) DescribeImage(image); next_image=image->next; if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); /* Free image resources. */ while (image->previous != (Image *) NULL) image=image->previous; DestroyImages(image); if (map_image != (Image *) NULL) DestroyImage(map_image); (void) free((char *) image_info.filename); exit(0); return(False); }