added -c and -m options

diff --git a/src/png2swf.c b/src/png2swf.c
index b03a11d..541675d 100644 (file)
--- a/src/png2swf.c
+++ b/src/png2swf.c
@@ -47,6 +47,12 @@ 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 +62,15 @@ 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);
 
@@ -715,8 +728,13 @@ 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;
+    if(custom_move) {
+       m.tx = move_x*20;
+       m.ty = move_y*20;
+    } else {
+       m.tx = (swf->movieSize.xmax - (int) header.width * 20) / 2;
+       m.ty = (swf->movieSize.ymax - (int) header.height * 20) / 2;
+    }
     swf_ObjectPlace(t, id + 1, 50, &m, NULL, NULL);
 
     t = swf_InsertTag(t, ST_SHOWFRAME);
@@ -801,6 +819,11 @@ int args_callback_option(char *arg, char *val)
            res = 0;
            break;
 
+       case 'T':
+           global.version = atoi(val);
+           res = 1;
+           break;
+
        case 'C':
            global.do_cgi = 1;
            break;
@@ -832,6 +855,44 @@ int args_callback_option(char *arg, char *val)
        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, <x1>:<y1>:<x2>:<y2>\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, <x>:<y>\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;