X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fpng2swf.c;h=e8a2c7c2f72b45d23502d6308df53ee8ce41aa97;hb=15771c177b875ca1f233e8aa725283ce1a559091;hp=b03a11dee6f2dfc351b0a3f08682544438523ad2;hpb=ca7c0df2c3399b27b6ed4157908a33df6cb23e2f;p=swftools.git diff --git a/src/png2swf.c b/src/png2swf.c index b03a11d..e8a2c7c 100644 --- a/src/png2swf.c +++ b/src/png2swf.c @@ -41,12 +41,19 @@ struct { int do_cgi; int version; char *outfile; + float scale; } global; struct { char *filename; } image[MAX_INPUT_FILES]; +static int custom_move=0; +static int move_x=0; +static int move_y=0; +static int clip_x1=0,clip_y1=0,clip_x2=0,clip_y2=0; +static int custom_clip = 0; + TAG *MovieStart(SWF * swf, float framerate, int dx, int dy) { TAG *t; @@ -56,8 +63,15 @@ TAG *MovieStart(SWF * swf, float framerate, int dx, int dy) swf->fileVersion = global.version; swf->frameRate = (int)(256.0 * framerate); - swf->movieSize.xmax = dx * 20; - swf->movieSize.ymax = dy * 20; + if(custom_clip) { + swf->movieSize.xmin = clip_x1 * 20; + swf->movieSize.ymin = clip_y1 * 20; + swf->movieSize.xmax = clip_x2 * 20; + swf->movieSize.ymax = clip_y2 * 20; + } else { + swf->movieSize.xmax = dx * 20; + swf->movieSize.ymax = dy * 20; + } t = swf->firstTag = swf_InsertTag(NULL, ST_SETBACKGROUNDCOLOR); @@ -464,6 +478,8 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) int alphapalettelen = 0; struct png_header header; int bypp; + U8 alphacolor[3]; + int hasalphacolor=0; FILE *fi; U8 *scanline; @@ -497,7 +513,7 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) } if(!strncmp(tagid, "PLTE", 4)) { palette = data; - palettelen = len/3; + palettelen = len/bypp; data = 0; //don't free data if(VERBOSE(2)) printf("%d colors in palette\n", palettelen); @@ -509,6 +525,21 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) data = 0; //don't free data if(VERBOSE(2)) printf("found %d alpha colors\n", alphapalettelen); + } else if(header.mode == 0) { + int t; + if(header.mode == 3) { // palette or grayscale? + alphacolor[0] = data[1]; + alphacolor[1] = data[3]; + alphacolor[2] = data[5]; + } else { + alphacolor[0] = alphacolor[1] = alphacolor[2] = data[1]; + } + if(VERBOSE(2)) + printf("found alpha color: %02x%02x%02x\n", alphacolor[0], alphacolor[1], alphacolor[2]); + hasalphacolor = 1; + } else { + if(VERBOSE(2)) + printf("ignoring tRNS %d entry (%d bytes)\n", header.mode, len); } } if(!strncmp(tagid, "IDAT", 4)) { @@ -534,7 +565,7 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) } free(zimagedata); - if(alphapalette) + if(alphapalette || hasalphacolor) t = swf_InsertTag(t, ST_DEFINEBITSLOSSLESS2); else t = swf_InsertTag(t, ST_DEFINEBITSLOSSLESS); @@ -633,6 +664,16 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) } else { rgba[i].a = 255; } + if(hasalphacolor) { + if(rgba[i].r == alphacolor[0] && + rgba[i].g == alphacolor[1] && + rgba[i].b == alphacolor[2]) { + rgba[i].r = 0; + rgba[i].g = 0; + rgba[i].b = 0; + rgba[i].a = 0; + } + } } } else { int mult = (0x1ff>>header.bpp); @@ -642,6 +683,15 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) rgba[i].r = i*mult; rgba[i].g = i*mult; rgba[i].b = i*mult; + rgba[i].a = 255; + if(hasalphacolor) { + if(rgba[i].r == alphacolor[0]) { + rgba[i].r = 0; + rgba[i].g = 0; + rgba[i].b = 0; + rgba[i].a = 0; + } + } } } @@ -686,8 +736,8 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) swf_ShapeNew(&s); swf_GetMatrix(NULL, &m); - m.sx = 20 * 0x10000; - m.sy = 20 * 0x10000; + m.sx = (int)(20 * 0x10000); + m.sy = (int)(20 * 0x10000); m.tx = -10; m.ty = -10; fs = swf_ShapeAddBitmapFillStyle(s, &m, id, 1); @@ -715,8 +765,16 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) t = swf_InsertTag(t, ST_PLACEOBJECT2); swf_GetMatrix(NULL, &m); - m.tx = (swf->movieSize.xmax - (int) header.width * 20) / 2; - m.ty = (swf->movieSize.ymax - (int) header.height * 20) / 2; + m.sx = (int)(0x10000 * global.scale); + m.sy = (int)(0x10000 * global.scale); + + if(custom_move) { + m.tx = move_x*20; + m.ty = move_y*20; + } else { + m.tx = (swf->movieSize.xmax - (int) (header.width * global.scale * 20)) / 2; + m.ty = (swf->movieSize.ymax - (int) (header.height * global.scale * 20)) / 2; + } swf_ObjectPlace(t, id + 1, 50, &m, NULL, NULL); t = swf_InsertTag(t, ST_SHOWFRAME); @@ -796,11 +854,22 @@ int args_callback_option(char *arg, char *val) res = 1; break; + case 's': + global.scale = atof(val)/100; + res = 1; + break; + case 'z': - global.version = 6; + if(global.version<6) + global.version = 6; res = 0; break; + case 'T': + global.version = atoi(val); + res = 1; + break; + case 'C': global.do_cgi = 1; break; @@ -828,10 +897,48 @@ int args_callback_option(char *arg, char *val) global.force_height = atoi(val); res = 1; break; - + case 'V': printf("png2swf - part of %s %s\n", PACKAGE, VERSION); exit(0); + + case 'c': { + char*s = strdup(val); + char*x1 = strtok(s, ":"); + char*y1 = strtok(0, ":"); + char*x2 = strtok(0, ":"); + char*y2 = strtok(0, ":"); + if(!(x1 && y1 && x2 && y2)) { + fprintf(stderr, "-m option requires four arguments, :::\n"); + exit(1); + } + custom_clip = 1; + clip_x1 = atoi(x1); + clip_y1 = atoi(y1); + clip_x2 = atoi(x2); + clip_y2 = atoi(y2); + free(s); + + res = 1; + break; + } + + case 'm': { + char*s = strdup(val); + char*c = strchr(s, ':'); + if(!c) { + fprintf(stderr, "-m option requires two arguments, :\n"); + exit(1); + } + *c = 0; + custom_move = 1; + move_x = atoi(val); + move_y = atoi(c+1); + free(s); + + res = 1; + break; + } default: res = -1; @@ -851,12 +958,14 @@ static struct options_t options[] = { {"r", "rate"}, {"o", "output"}, {"z", "zlib"}, +{"T", "flashversion"}, {"X", "pixel"}, {"Y", "pixel"}, {"v", "verbose"}, {"q", "quiet"}, {"C", "cgi"}, {"V", "version"}, +{"s", "scale"}, {0,0} }; @@ -892,12 +1001,14 @@ void args_callback_usage(char *name) printf("-r , --rate Set movie framerate (frames per second)\n"); printf("-o , --output Set name for SWF output file.\n"); printf("-z , --zlib Enable Flash 6 (MX) Zlib Compression\n"); + printf("-T , --flashversion Set the flash version to generate\n"); printf("-X , --pixel Force movie width to (default: autodetect)\n"); printf("-Y , --pixel Force movie height to (default: autodetect)\n"); - printf("-v , --verbose Be verbose. Use more than one -v for greater effect \n"); + printf("-v , --verbose Set verbose level (0=quiet, 1=default, 2=debug)\n"); printf("-q , --quiet Omit normal log messages, only log errors\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("-s , --scale Scale image to % size.\n"); printf("\n"); } @@ -911,6 +1022,7 @@ int main(int argc, char **argv) global.framerate = 1.0; global.verbose = 1; global.version = 4; + global.scale = 1.0; processargs(argc, argv); @@ -923,10 +1035,8 @@ int main(int argc, char **argv) fprintf(stderr, "Processing %i file(s)...\n", global.nfiles); t = MovieStart(&swf, global.framerate, - global.force_width ? global.force_width : global. - max_image_width, - global.force_height ? global.force_height : global. - max_image_height); + global.force_width ? global.force_width : (int)(global.max_image_width*global.scale), + global.force_height ? global.force_height : (int)(global.max_image_height*global.scale)); { int i;