t = swf->firstTag = swf_InsertTag(NULL, ST_SETBACKGROUNDCOLOR);
rgb.r = rgb.g = rgb.b = rgb.a = 0x00;
- //rgb.g = 0xff; <--- handy for testing alpha conversion
+ //rgb.g = 0xff; //<--- handy for testing alpha conversion
swf_SetRGB(t, &rgb);
return t;
else if(mode==3) {
for(x=0;x<width;x++) {
*dest = *src+(*old+last)/2;
+ last = *dest;
dest++;
old++;
src++;
int transparent=0;
int semitransparent=0;
/* in case for mode 2, the following also performs 24->32 bit conversion */
+ unsigned char* firstline = malloc(header.width*4);
+
for(y=0;y<header.height;y++) {
int mode = imagedata[pos++]; //filter mode
U8*src;
}
if(!y) {
- memset(data2,0,header.width*4);
- old = &data2[y*header.width*4];
+ old = firstline;
+ memset(old, 0, header.width*4);
} else {
old = &data2[(y-1)*header.width*4];
}
else if(header.mode==2)
applyfilter3(mode, src, old, dest, header.width);
}
+ free(firstline);
/* the image is now compressed and stored in data. Now let's take
- a look at the alpha values to determine which bitmap type we
- should write */
- if(header.mode == 6)
- for(y=0;y<header.height;y++) {
- U8*l = &data2[(y*header.width)*4];
- for(x=0;x<header.width;x++) {
- if(l[x*4+0]==255) transparent++;
- else if(l[x*4+0]==0) opaque++;
- else semitransparent++;
+ a look at the alpha values */
+ if(header.mode == 6) {
+ for(y=0;y<header.height;y++) {
+ U8*l = &data2[(y*header.width)*4];
+ for(x=0;x<header.width;x++) {
+ U8 a = l[x*4];
+ U8 b = l[x*4+1];
+ U8 g = l[x*4+2];
+ U8 r = l[x*4+3];
+ if(a==255) transparent++;
+ else {
+ if(a==0) opaque++;
+ else semitransparent++;
+ l[x*4+3]=(int)r*a/255;
+ l[x*4+2]=(int)g*a/255;
+ l[x*4+1]=(int)b*a/255;
+ }
+ }
+ }
+ if(semitransparent || opaque) {
+ t->id = ST_DEFINEBITSLOSSLESS2;
}
}
- /* mode 6 images which are not fully opaque or fully transparent
- will be stored as definejpeg3 */
- if(header.mode == 6 && transparent != header.width*header.height
- && opaque != header.width*header.height)
-#ifndef HAVE_JPEGLIB
- fprintf(stderr, "Warning: No jpeg lib compiled in- not able to store transparency information\n");
-#else
- {
- fprintf(stderr, "Image has transparency information. Storing as DefineBitsJpeg3 Tag (jpeg+alpha)\n");
- if(VERBOSE(2))
- printf("Image is semi-transparent\n");
-
- // we always use quality 100, since png2swf is expected to
- // use more or less lossless compression
-
- swf_SetJPEGBits3(t, header.width, header.height, (RGBA*)data2, 100);
- t->id = ST_DEFINEBITSJPEG3;
- }
- else
-#endif
- {
- swf_SetLosslessBits(t, header.width, header.height, data2, BMF_32BIT);
- }
+ swf_SetLosslessBits(t, header.width, header.height, data2, BMF_32BIT);
free(data2);
} else if(header.mode == 0 || header.mode == 3) {
RGBA*rgba;
rgba[i].b = palette[i*3+2];
if(alphapalette && i<alphapalettelen) {
rgba[i].a = alphapalette[i];
- if(alphapalette[i] == 0) {
- /* if the color is fully transparent, it doesn't matter
- what it's rgb values are. furthermore, all Flash
- players up to Flash 5 can't deal with anything beyond
- one transparent color with value (00,00,00,00). */
- rgba[i].r = rgba[i].g = rgba[i].b = 0;
- }
+ rgba[i].r = ((int)rgba[i].r*rgba[i].a)/255;
+ rgba[i].g = ((int)rgba[i].g*rgba[i].a)/255;
+ rgba[i].b = ((int)rgba[i].b*rgba[i].a)/255;
} else {
rgba[i].a = 255;
}
free(data2);
}
- while(t->len < 64) {
- swf_SetU8(t, 0); //fix for flash player bug- see ../lib/modules/swfbits.c
- }
-
t = swf_InsertTag(t, ST_DEFINESHAPE3);
swf_ShapeNew(&s);
return res;
}
-struct options_t options[] =
-{
-{"h", "help"},
-{"o", "output"},
+static struct options_t options[] = {
{"r", "rate"},
-{"C", "cgi"},
+{"o", "output"},
+{"X", "pixel"},
+{"Y", "pixel"},
{"v", "verbose"},
-{"X", "width"},
-{"Y", "height"},
+{"C", "cgi"},
{"V", "version"},
{0,0}
};
void args_callback_usage(char *name)
{
- printf("Usage: %s [-options [value]] imagefiles[.png] [...]\n", name);
- printf("\t-r , --rate <framerate>\t\t\tSet movie framerate (frames per second)\n");
- printf("\t-o , --output <filename>\t\t\tSet name for SWF output file\n");
- printf("\t-X , --pixel <width>\t\t\tForce movie width to pixel (default: autodetect)\n");
- printf("\t-Y , --pixel <height>\t\t\tForce movie height to pixel (default: autodetect)\n");
- printf("\t-v , --verbose <level>\t\t\t Set verbose level (0=quiet, 1=default, 2=debug)\n");
- printf("\t-C , --cgi\t\t\t For use as CGI- prepend http header, write to stdout\n");
- printf("\t-V , --version\t\t\tPrint version information and exit\n");
+ printf("\n");
+ printf("Usage: %s [-X width] [-Y height] [-o file.swf] [-r rate] file1.png [file2.png...]\n", name);
+ printf("\n");
+ printf("-r , --rate <framerate> Set movie framerate (frames per second)\n");
+ printf("-o , --output <filename> Set name for SWF output file.\n");
+ printf("-X , --pixel <width> Force movie width to <width> (default: autodetect)\n");
+ printf("-Y , --pixel <height> Force movie height to <height> (default: autodetect)\n");
+ printf("-v , --verbose <level> Set verbose level (0=quiet, 1=default, 2=debug)\n");
+ printf("-C , --cgi For use as CGI- prepend http header, write to stdout\n");
+ printf("-V , --version Print version information and exit\n");
+ printf("\n");
}
int main(int argc, char **argv)