Paul Lipscomb
109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
#include <stdlib.h>
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#include <stdio.h>
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#include "../lice.h"
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void usage(const char *a, const char *b)
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{
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if (a||b) printf("%s: %s\n",a,b);
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printf("Usage: imgs2gif [-w width] [-h height] [-d ms] [-skipempty] [-leaddelay ms] output.gif file1.jpg [file2.png ...]\n");
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exit(1);
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}
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int main(int argc, char **argv)
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{
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int delay=10;
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int size_w=0,size_h=0;
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int i;
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int rv=0;
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int leaddelay=0;
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bool skipempty=false;
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void *gifOut=NULL;
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const char *fn=NULL;
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LICE_MemBitmap lastfr, fr,fr2;
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int accum_lat=0;
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for (i=1;i<argc;i++)
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{
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if (argv[i][0]=='-')
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{
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if (fn||gifOut) usage("Flag after filename",argv[i]);
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if (!strcmp(argv[i],"-w"))
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{
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if (++i >= argc) usage("Missing parameter",argv[i-1]);
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size_w = atoi(argv[i]);
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}
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else if (!strcmp(argv[i],"-h"))
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{
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if (++i >= argc) usage("Missing parameter",argv[i-1]);
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size_h = atoi(argv[i]);
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}
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else if (!strcmp(argv[i],"-d"))
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{
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if (++i >= argc) usage("Missing parameter",argv[i-1]);
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delay = atoi(argv[i]);
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}
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else if (!strcmp(argv[i],"-skipempty")) skipempty=true;
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else if (!strcmp(argv[i],"-leaddelay"))
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{
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if (++i >= argc) usage("Missing parameter",argv[i-1]);
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leaddelay=atoi(argv[i]);
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}
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else usage("Unknown option",argv[i]);
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}
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else if (!fn) fn=argv[i];
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else
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{
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printf("Loading %s\n",argv[i]);
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if (!LICE_LoadImage(argv[i],&fr) || !fr.getWidth() || !fr.getHeight())
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{
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printf("Error loading image: %s\n",argv[i]);
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continue;
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}
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if (!size_w) size_w=fr.getWidth();
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if (!size_h) size_h=fr.getHeight();
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LICE_MemBitmap *usefr = &fr;
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if (fr.getWidth() != size_w || fr.getHeight() != size_h)
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{
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fr2.resize(size_w,size_h);
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LICE_ScaledBlit(usefr=&fr2,&fr,0,0,size_w,size_h,0,0,fr.getWidth(),fr.getHeight(),1.0f,LICE_BLIT_MODE_COPY|LICE_BLIT_FILTER_BILINEAR);
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}
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if (!gifOut)
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{
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gifOut=LICE_WriteGIFBegin(fn,usefr,0,leaddelay?leaddelay:delay,false);
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if (!gifOut) usage("Error writing to file",fn);
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}
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else
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{
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accum_lat += delay;
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int diffcoords[4]={0,0,size_w,size_h};
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if (LICE_BitmapCmp(usefr,&lastfr,diffcoords))
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{
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LICE_SubBitmap bm(usefr,diffcoords[0],diffcoords[1], diffcoords[2],diffcoords[3]);
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LICE_WriteGIFFrame(gifOut,&bm,diffcoords[0],diffcoords[1], true, accum_lat);
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accum_lat=0;
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}
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if (skipempty) accum_lat=0;
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}
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LICE_Copy(&lastfr,usefr);
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}
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}
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printf("finishing up\n");
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if (gifOut) LICE_WriteGIFEnd(gifOut);
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return rv;
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}
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#ifndef _WIN32
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INT_PTR SWELLAppMain(int msg, INT_PTR parm1, INT_PTR parm2)
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{
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return 0;
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}
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#endif
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