Add a2b source
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Michaelangel007
parent
6524b20665
commit
bc79fecdce
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@ -0,0 +1,177 @@
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/*
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#define GRAVITY_CENTER 0
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#define GRAVITY_EAST 1
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#define GRAVITY_NORTHEAST 2
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#define GRAVITY_NORTH 3
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#define GRAVITY_NORTHWEST 4
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#define GRAVITY_SOUTHEAST 5
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#define GRAVITY_SOUTH 6
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#define GRAVITY_SOUTHWEST 7
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#define GRAVITY_WEST 8
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*/
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#define NUM_GRAVITIES 9
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/* gravity options for cropped output - center (typical) */
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char *geometry[] = {
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"Center",
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"East",
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"NorthEast",
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"North",
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"NorthWest",
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"SouthEast",
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"South",
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"SouthWest",
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"West",
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NULL};
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char *gravity = "center";
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/* command line helper function to set ImageMagick geometry for gravity option */
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void SetMagickAspectScript(char *wordptr)
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{
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int idx;
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if (wordptr[0] != (char) 0) {
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for (idx = 0;idx < NUM_GRAVITIES;idx++) {
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if (cmpstr(wordptr,geometry[idx]) == SUCCESS) {
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gravity = (char *) &geometry[idx][0];
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return;
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}
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}
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}
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}
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/* args are image file name, type of output 0 or 1 (.bat or .sh),
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and whether output is cropped 0 or padded 1 */
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int MakeMagickAspectScript(char *name,int script, int pad)
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{
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FILE *fp, *fp2=NULL;
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char buf[128], c, d, idfile[256], outfile[256];
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int i, j, status = 1;
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float fwidth, fheight;
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int width, height, cropwidth, cropheight, xtent;
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/* use image file base name for id file name and batch file or script file name */
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strcpy(idfile,name);
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strcpy(outfile,name);
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j = 999;
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for (i=0;name[i]!=(char)0;i++){
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if (name[i] == '.')j=i;
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}
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/* the image file name must have an extension */
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if (j==999) return status;
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idfile[j] = outfile[j]=(char)0;
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/* the id file must already exist */
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strcat(idfile,".id");
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fp = fopen(idfile,"r");
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if (fp == NULL) return status;
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if (script == 0) strcat(outfile,".bat");
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else strcat(outfile,".sh");
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for (;;) {
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if (NULL == fgets(buf, 128, fp)) {
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fclose(fp);
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break;
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}
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nocr(buf);
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/* this parser is really simplistic... it uses the first widthxheight string preceded by a space...
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it will probably usually work since we don't usually put widthxheight strings in filenames */
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width = height = 0;
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d = (char)0;
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for (i=0;buf[i]!=(char)0;i++){
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if (d == (char)32) {
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width = atoi((char *)&buf[i]);
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}
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c = buf[i];
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if (c=='x' && width > 0) {
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if (d > (char)47 && d < (char)58) {
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height = atoi((char *)&buf[i+1]);
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if (height > 0) break;
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}
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}
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d = c;
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}
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if (width == 0) break;
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if (height == 0) break;
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if (pad == 0) {
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/* cropping (not padding) */
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/* for widescreen images trim both sides, the height remains the same */
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fwidth = (float)1.3334 * height;
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cropwidth = (int)fwidth;
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if (cropwidth > width) {
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/* if the cropping width is not 1/3 greater than the height, this is a portrait image
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and must be cropped in the vertical axis only */
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cropwidth = width;
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fheight = (float)0.75 * width;
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cropheight = (int)fheight;
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}
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else {
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cropheight = height;
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}
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}
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else {
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fheight = (float)0.75 * width;
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cropheight = (int)fheight;
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if (cropheight == height) {
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/* if the height is equal to 75% of the width, the output is verbatim (no padding is needed) */
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cropwidth = width;
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pad = 0;
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}
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else if (height < cropheight) {
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/* if the height is less than 75% of the width, the output is letterboxed with padding above and below */
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xtent = cropwidth = width;
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}
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else {
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/* if the height is greater than 75% of the width, the output is pillarboxed with padding on the sides */
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cropheight = height;
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fwidth = (float)1.3334 * height;
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xtent = cropwidth = (int)fwidth;
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}
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}
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fp2 = fopen(outfile,"w");
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if (NULL == fp2) break;
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if (script == 0) {
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/* batch file output */
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fprintf(fp2,"@echo off\n");
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if (pad == 0) {
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/* %MAGICK% %%f -gravity center -crop 1440x1080+0+0 -define format:BMP %%~nf.bmp */
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fprintf(fp2,"%%1 %%2 -gravity %s -crop %dx%d+0+0 -define format:BMP %%3.bmp\n",gravity,cropwidth,cropheight);
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}
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else {
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/* letterbox */
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/* %MAGICK% %%f -gravity center -background black -extent 1920x1920 -crop 1920x1440+0+0 +repage -define format:BMP %%~nf.bmp */
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/* pillarbox */
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/* %MAGICK% %%f -gravity center -background black -extent 2730x2730 -crop 2730x2048+0+0 +repage -define format:BMP %%~nf.bmp */
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fprintf(fp2,
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"%%1 %%2 -gravity %s -background black -extent %dx%d -crop %dx%d+0+0 +repage -define format:BMP %%3.bmp\n",
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gravity,xtent,xtent,cropwidth,cropheight);
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}
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}
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else {
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/* shell script output */
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fprintf(fp2,"#!/bin/sh\n");
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if (pad == 0) {
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/* $MAGICK $src -gravity center -crop 1440x1080+0+0 -define format:BMP $tgt.bmp */
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fprintf(fp2,"$1 $2 -gravity %s -crop %dx%d+0+0 -define format:BMP $3.bmp\n",gravity,cropwidth,cropheight);
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}
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else {
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fprintf(fp2,
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"$1 $2 -gravity %s -background black -extent %dx%d -crop %dx%d+0+0 +repage -define format:BMP $3.bmp\n",
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gravity,xtent,xtent,cropwidth,cropheight);
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}
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}
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status = 0;
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}
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fclose(fp);
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if (NULL != fp2) fclose(fp2);
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return status;
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}
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