X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=src%2Fpng2swf.c;h=05366fca6d07229805695b3cb237ad64fecdc7dc;hp=6cf4189ca0636c9c63a5aba9bd7bdd734104c599;hb=f29d8006b1d8253c50808d6eb4941bdeb808c601;hpb=69254744d1f245ff4f5796226c5864e7a7b4276b diff --git a/src/png2swf.c b/src/png2swf.c index 6cf4189..05366fc 100644 --- a/src/png2swf.c +++ b/src/png2swf.c @@ -26,6 +26,7 @@ #include #include "../lib/rfxswf.h" #include "../lib/args.h" +#include "../lib/png.h" #define MAX_INPUT_FILES 1024 #define VERBOSE(x) (global.verbose>=x) @@ -41,12 +42,20 @@ struct { int do_cgi; int version; char *outfile; + int mkjpeg; + 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 +65,15 @@ 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); @@ -84,13 +100,8 @@ int MovieFinish(SWF * swf, TAG * t, char *sname) if(global.do_cgi) { if FAILED(swf_WriteCGI(swf)) fprintf(stderr,"WriteCGI() failed.\n"); } else { - if(global.version >= 6) { - if (swf_WriteSWC(f, swf)<0) - fprintf(stderr, "Unable to write output file: %s\n", sname); - } else { - if (swf_WriteSWF(f, swf)<0) - fprintf(stderr, "Unable to write output file: %s\n", sname); - } + if (swf_WriteSWF(f, swf)<0) + fprintf(stderr, "Unable to write output file: %s\n", sname); if (f != so) close(f); } @@ -108,7 +119,7 @@ int png_read_chunk(char (*head)[4], int*destlen, U8**destdata, FILE*fi) return 0; if(!fread(head, 4, 1, fi)) return 0; - len = REVERSESWAP32(len); + len = BE_32_TO_NATIVE(len); if(destlen) *destlen = len; if(destdata) { if(len) @@ -132,7 +143,7 @@ unsigned int png_get_dword(FILE*fi) { unsigned int a; fread(&a,4,1,fi); - return REVERSESWAP32(a); + return BE_32_TO_NATIVE(a); } struct png_header @@ -152,7 +163,7 @@ int png_read_header(FILE*fi, struct png_header*header) U8 head2[8]; U8*data; fread(head2,8,1,fi); - if(strncmp(head,head2,4)) + if(strncmp((char*)head,(char*)head2,4)) return 0; while(png_read_chunk(&id, &len, &data, fi)) @@ -162,10 +173,10 @@ int png_read_header(FILE*fi, struct png_header*header) if(!strncasecmp(id, "IHDR", 4)) { char a,b,c,f,i; if(len < 8) exit(1); - header->width = REVERSESWAP32(*(U32*)&data[0]); - header->height = REVERSESWAP32(*(U32*)&data[4]); + header->width = BE_32_TO_NATIVE(*(U32*)&data[0]); + header->height = BE_32_TO_NATIVE(*(U32*)&data[4]); a = data[8]; // should be 8 - b = data[9]; // should be 3(indexed) or 2(rgb) + b = data[9]; // should be 3(indexed), 2(rgb), 0(grayscale) or 6(truecolor+alpha) c = data[10]; // compression mode (0) f = data[11]; // filter mode (0) @@ -186,7 +197,7 @@ int png_read_header(FILE*fi, struct png_header*header) exit(1); } if(a!=8 && (b==2 || b==6)) { - fprintf(stderr, "Bpp %d in mode %d not supported!\n", a); + fprintf(stderr, "Bpp %d in mode %d not supported!\n", b, a); exit(1); } if(c!=0) { @@ -306,7 +317,6 @@ void applyfilter3(int mode, U8*src, U8*old, U8*dest, int width) src+=3; } } - } void applyfilter4(int mode, U8*src, U8*old, U8*dest, int width) @@ -444,15 +454,9 @@ void applyfilter1(int mode, U8*src, U8*old, U8*dest, int width) } -TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) +TAG* PNG2Image(TAG*t, U16 id, char*filename, int*width, int*height) { - SHAPE *s; - SRECT r; - MATRIX m; - int fs; - char tagid[4]; - int len; U8*data; U8*imagedata; U8*zimagedata=0; @@ -464,19 +468,26 @@ 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; + int len; + FILE *fi; U8 *scanline; - if ((fi = fopen(sname, "rb")) == NULL) { + if ((fi = fopen(filename, "rb")) == NULL) { if (VERBOSE(1)) - fprintf(stderr, "Read access failed: %s\n", sname); + fprintf(stderr, "Read access failed: %s\n", filename); return t; } if(!png_read_header(fi, &header)) return 0; + *width = header.width; + *height = header.height; + if(header.mode == 3 || header.mode == 0) bypp = 1; else if(header.mode == 2) bypp = 3; @@ -509,6 +520,21 @@ 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 || header.mode == 2) { + int t; + if(header.mode == 2) { // 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)) { @@ -527,14 +553,14 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) } if(!zimagedata || uncompress(imagedata, &imagedatalen, zimagedata, zimagedatalen) != Z_OK) { - fprintf(stderr, "Couldn't uncompress %s!\n", sname); + fprintf(stderr, "Couldn't uncompress IDAT chunk (%lu bytes) in %s!\n", imagedatalen, filename); if(zimagedata) free(zimagedata); return 0; } free(zimagedata); - if(alphapalette) + if(alphapalette || hasalphacolor) t = swf_InsertTag(t, ST_DEFINEBITSLOSSLESS2); else t = swf_InsertTag(t, ST_DEFINEBITSLOSSLESS); @@ -574,10 +600,22 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) } else { old = &data2[(y-1)*header.width*4]; } - if(header.mode==6) + if(header.mode==6) { applyfilter4(mode, src, old, dest, header.width); - else if(header.mode==2) + } else if(header.mode==2) { applyfilter3(mode, src, old, dest, header.width); + /* replace alpha color */ + if(hasalphacolor) { + int x; + for(x=0;x>header.bpp); @@ -642,6 +690,15 @@ 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; + } + } } } @@ -681,22 +738,69 @@ TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) free(rgba); free(data2); } + fclose(fi); + return t; +} + +TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int id) +{ + SHAPE *s; + SRECT r; + MATRIX m; + int fs; + + int width=0, height=0; + +#ifndef HAVE_JPEGLIB + if(global.mkjpeg) { + global.mkjpeg = 0; + msg(" No jpeg support compiled in"); + } +#endif + if(global.mkjpeg) { +#ifdef HAVE_JPEGLIB + RGBA*data = 0; + getPNG(sname, &width, &height, (unsigned char**)&data); + if(!data) + exit(1); + if(swf_ImageHasAlpha(data, width, height)) { + t = swf_InsertTag(t, ST_DEFINEBITSJPEG3); + swf_SetU16(t, id); + swf_SetJPEGBits3(t, width,height,data,global.mkjpeg); + } else { + t = swf_InsertTag(t, ST_DEFINEBITSJPEG2); + swf_SetU16(t, id); + swf_SetJPEGBits2(t, width,height,data,global.mkjpeg); + } +#endif + } else if(1) { + RGBA*data = 0; + getPNG(sname, &width, &height, (unsigned char**)&data); + if(!data) + exit(1); + t = swf_InsertTag(t, ST_DEFINEBITSLOSSLESS); + swf_SetU16(t, id); + swf_SetLosslessImage(t, data,width,height); + } else { + /* old code: transform PNG encoding 1:1 to SWF */ + t = PNG2Image(t, id, sname, &width, &height); + } t = swf_InsertTag(t, ST_DEFINESHAPE3); swf_ShapeNew(&s); swf_GetMatrix(NULL, &m); - m.sx = 20 * 0x10000; - m.sy = 20 * 0x10000; - m.tx = -10; - m.ty = -10; + m.sx = (int)(20 * 0x10000); + m.sy = (int)(20 * 0x10000); + m.tx = 0; + m.ty = 0; fs = swf_ShapeAddBitmapFillStyle(s, &m, id, 1); swf_SetU16(t, id + 1); // id r.xmin = r.ymin = 0; - r.xmax = header.width * 20; - r.ymax = header.height * 20; + r.xmax = width * 20; + r.ymax = height * 20; swf_SetRect(t, &r); swf_SetShapeHeader(t, s); @@ -715,14 +819,20 @@ 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) (width * global.scale * 20)) / 2; + m.ty = (swf->movieSize.ymax - (int) (height * global.scale * 20)) / 2; + } swf_ObjectPlace(t, id + 1, 50, &m, NULL, NULL); t = swf_InsertTag(t, ST_SHOWFRAME); - fclose(fi); - return t; } @@ -779,7 +889,9 @@ int args_callback_option(char *arg, char *val) case 'r': if (val) global.framerate = atof(val); - if ((global.framerate < 1.0/256) ||(global.framerate >= 256.0)) { + /* removed framerate>0 restriction in order to make + Flash Communication Server compatible SWFs */ + if ((global.framerate < 0) ||(global.framerate >= 256.0)) { if (VERBOSE(1)) fprintf(stderr, "Error: You must specify a valid framerate between 1/256 and 255.\n"); @@ -794,19 +906,41 @@ 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 'j': + global.mkjpeg = atoi(val); + res = 1; + break; + + case 'T': + global.version = atoi(val); + res = 1; + break; + case 'C': global.do_cgi = 1; break; case 'v': - if (val) - global.verbose = atoi(val); - res = 1; + global.verbose++; + res = 0; + break; + + case 'q': + global.verbose--; + if(global.verbose<0) + global.verbose = 0; + res = 0; break; case 'X': @@ -820,10 +954,48 @@ 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; @@ -842,12 +1014,16 @@ int args_callback_option(char *arg, char *val) static struct options_t options[] = { {"r", "rate"}, {"o", "output"}, +{"j", "jpeg"}, {"z", "zlib"}, +{"T", "flashversion"}, {"X", "pixel"}, {"Y", "pixel"}, {"v", "verbose"}, +{"q", "quiet"}, {"C", "cgi"}, {"V", "version"}, +{"s", "scale"}, {0,0} }; @@ -882,12 +1058,16 @@ void args_callback_usage(char *name) printf("\n"); printf("-r , --rate Set movie framerate (frames per second)\n"); printf("-o , --output Set name for SWF output file.\n"); + printf("-j , --jpeg Generate a lossy jpeg bitmap inside the SWF, with a given quality (1-100)\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 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"); } @@ -900,7 +1080,8 @@ int main(int argc, char **argv) global.framerate = 1.0; global.verbose = 1; - global.version = 4; + global.version = 8; + global.scale = 1.0; processargs(argc, argv); @@ -913,10 +1094,8 @@ 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;