readded png save, added xpm support

[swftools.git] / lib / devices / render.c

diff --git a/lib/devices/render.c b/lib/devices/render.c
index 78b28b2..1d6e80e 100644 (file)
--- a/lib/devices/render.c
+++ b/lib/devices/render.c
@@ -64,6 +64,7 @@ typedef struct _internal {
     int antialize;
     int zoom;
     int ymin, ymax;
+    int fillwhite;
 
     RGBA* img;
 
@@ -445,13 +446,18 @@ void fill_solid(gfxdevice_t*dev, gfxcolor_t* color)
 int render_setparameter(struct _gfxdevice*dev, const char*key, const char*value)
 {
     internal_t*i = (internal_t*)dev->internal;
-    if(!strcmp(key, "antialize")) {
+    if(!strcmp(key, "antialize") || !strcmp(key, "antialise")) {
        i->antialize = atoi(value);
        i->zoom = i->antialize * i->multiply;
+       return 1;
     } else if(!strcmp(key, "multiply")) {
        i->multiply = atoi(value);
        i->zoom = i->antialize * i->multiply;
        fprintf(stderr, "Warning: multiply not implemented yet\n");
+       return 1;
+    } else if(!strcmp(key, "fillwhite")) {
+       i->fillwhite = atoi(value);
+       return 1;
     }
     return 0;
 }
@@ -644,6 +650,10 @@ void render_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcolo
 {
     internal_t*i = (internal_t*)dev->internal;
 
+    /* align characters to whole pixels */
+    matrix->tx = (int)(matrix->tx * i->antialize) / i->antialize;
+    matrix->ty = (int)(matrix->ty * i->antialize) / i->antialize;
+
     gfxglyph_t*glyph = &font->glyphs[glyphnr];
     gfxline_t*line2 = gfxline_clone(glyph->line);
     gfxline_transform(line2, matrix);
@@ -660,25 +670,72 @@ void render_result_write(gfxresult_t*r, int filedesc)
 }
 int render_result_save(gfxresult_t*r, char*filename)
 {
-    /*internal_result_t*i= (internal_result_t*)r->internal;
+    internal_result_t*i= (internal_result_t*)r->internal;
+    if(!i) {
+       return 0; // no pages drawn
+    }
     if(i->next) {
        int nr=0;
+       char filenamebuf[256];
+       char*origname = strdup(filename);
+       int l = strlen(origname);
+       if(l>3 && strchr("gG",origname[l-1]) && strchr("nN",filename[l-2]) &&
+               strchr("pP",origname[l-3]) && filename[l-4]=='.') {
+           origname[l-4] = 0;
+       }
        while(i->next) {
+           sprintf(filenamebuf, "%s.%d.png", origname, nr);
            writePNG(filename, (unsigned char*)i->img.data, i->img.width, i->img.height);
            nr++;
        }
+       free(origname);
     } else {
        writePNG(filename, (unsigned char*)i->img.data, i->img.width, i->img.height);
-    }*/
+    }
     return 1;
 }
+char*gfximage_asXPM(gfximage_t*img, int depth)
+{
+    int d= 256/depth;
+    char*str = (char*)malloc(img->width*img->height*4 + 500 + 16*depth*depth*depth);
+    char*p = str;
+    p+= sprintf(p, "static char *noname[] = {\n\"%d %d 262144 3\",\n");
+    int r,g,b;
+    for(r=0;r<depth;r++)
+    for(g=0;g<depth;g++)
+    for(b=0;b<depth;b++) {
+       p += sprintf(p, "\"%c%c%c c #%02x%02x%02x\",\n", r+32,g+32,b+32, r*d,g*d,b*d);
+    }
+    int y;
+    for(y=0;y<img->height;y++)  {
+       p+=sprintf(p, "\"");
+       gfxcolor_t*col = &img->data[y*img->height];
+       int x;
+       for(x=0;x<img->width;x++) {
+           p+=sprintf(p, "%c%c%c", 32+(col->r/d), 32+(col->g/d), 32+(col->b/d));
+       }
+       p+=sprintf(p, "\",\n");
+    }
+    *p = 0;
+    return p;
+}
 void*render_result_get(gfxresult_t*r, char*name)
 {
     internal_result_t*i= (internal_result_t*)r->internal;
-    if(!strncmp(name,"page",4)) {
+    if(!strncmp(name,"xpm",3)) {
+       int pagenr = atoi(&name[3]);
+       if(pagenr<0)
+           pagenr=0;
+       while(pagenr>0) {
+           i = i->next;
+           if(!i)
+               return 0;
+       }
+       return gfximage_asXPM(&i->img, 64);
+    } else if(!strncmp(name,"page",4)) {
        int pagenr = atoi(&name[4]);
        if(pagenr<0)
-           return 0;
+           pagenr=0;
        while(pagenr>0) {
            i = i->next;
            if(!i)
@@ -741,6 +798,10 @@ void render_startpage(struct _gfxdevice*dev, int width, int height)
         i->lines[y].num = 0;
     }
     i->img = (RGBA*)rfx_calloc(sizeof(RGBA)*i->width2*i->height2);
+    if(i->fillwhite) {
+       memset(i->img, 0xff, sizeof(RGBA)*i->width2*i->height2);
+    }
+
     i->ymin = 0x7fffffff;
     i->ymax = -0x80000000;