fixed bug in jpeg2000 decoding

[swftools.git] / src / swfrender.c

diff --git a/src/swfrender.c b/src/swfrender.c
index b782555..e9df12d 100644 (file)
--- a/src/swfrender.c
+++ b/src/swfrender.c
@@ -10,12 +10,16 @@
 #include "../lib/gfxsource.h"
 #include "../lib/readers/swf.h"
 #include "../lib/devices/render.h"
+#include "../lib/devices/rescale.h"
 
 static struct options_t options[] = {
 {"h", "help"},
 {"o", "output"},
+{"p", "pages"},
 {"l", "legacy"},
 {"V", "version"},
+{"X", "width"},
+{"Y", "height"},
 {0,0}
 };
 
@@ -23,6 +27,18 @@ static int ng = 1;
 static char*filename = 0;
 static char*outputname = "output.png";
 static int quantize = 0;
+static char*pagerange = 0;
+
+static int width = 0;
+static int height = 0;
+
+typedef struct _parameter {
+    const char*name;
+    const char*value;
+    struct _parameter*next;
+} parameter_t;
+
+parameter_t*params = 0;
 
 int args_callback_option(char*name,char*val)
 {
@@ -38,6 +54,31 @@ int args_callback_option(char*name,char*val)
     } else if(!strcmp(name, "q")) {
        quantize = 1;
        return 0;
+    } else if(!strcmp(name, "p")) {
+       pagerange = val;
+       return 1;
+    } else if(!strcmp(name, "s")) {
+       char*s = strdup(val);
+       char*c = strchr(s, '=');
+       parameter_t*p = malloc(sizeof(parameter_t));
+       p->next = params;
+       params = p;
+       if(c && *c && c[1])  {
+           *c = 0;
+           c++;
+           p->name = s;
+           p->value = s;
+       } else {
+           p->name = s;
+           p->value = "1";
+       }
+       return 1;
+    } else if(!strcmp(name, "X")) {
+       width = atoi(val);
+       return 1;
+    } else if(!strcmp(name, "Y")) {
+       height = atoi(val);
+       return 1;
     } else {
         printf("Unknown option: -%s\n", name);
        exit(1);
@@ -87,13 +128,14 @@ int main(int argn, char*argv[])
        fi = open(filename, O_RDONLY|O_BINARY);
        if (fi<=0) { 
            fprintf(stderr,"Couldn't open %s\n", filename);
-           perror(argv[1]);
+           perror(filename);
            exit(1);
        }
        if(swf_ReadSWF(fi,&swf)<0) { 
            fprintf(stderr,"%s is not a valid SWF file or contains errors.\n",argv[1]);
            close(fi);
        }
+       assert(swf.movieSize.xmax > swf.movieSize.xmin && swf.movieSize.ymax > swf.movieSize.ymin);
        RENDERBUF buf;
        swf_Render_Init(&buf, 0,0, (swf.movieSize.xmax - swf.movieSize.xmin) / 20,
                                   (swf.movieSize.ymax - swf.movieSize.ymin) / 20, 2, 1);
@@ -105,20 +147,37 @@ int main(int argn, char*argv[])
            writePNG(outputname, (unsigned char*)img, buf.width, buf.height);
        swf_Render_Delete(&buf);
     } else {
+       parameter_t*p;
+
        gfxsource_t*src = gfxsource_swf_create();
+       for(p=params;p;p=p->next) {
+           src->setparameter(src, p->name, p->value);
+       }
        gfxdocument_t*doc = src->open(src, filename);
+       for(p=params;p;p=p->next) {
+           doc->setparameter(doc, p->name, p->value);
+       }
        if(!doc) {
            fprintf(stderr,"Couldn't open %s\n", filename);
            exit(1);
        }
        gfxdevice_t dev2,*dev=&dev2;
        gfxdevice_render_init(dev);
+        dev->setparameter(dev, "antialise", "4");
         if(quantize) {
             dev->setparameter(dev, "palette", "1");
         }
+       if(width || height) {
+           dev = gfxdevice_rescale_new(dev, width, height, 0);
+       }
+       for(p=params;p;p=p->next) {
+           dev->setparameter(dev, p->name, p->value);
+       }
 
        int t;
        for(t=1;t<=doc->num_pages;t++) {
+            if(!is_in_range(t, pagerange))
+                continue;
            gfxpage_t* page = doc->getpage(doc, t);
            dev->startpage(dev, page->width, page->height);
            page->render(page, dev);