new parameter "internallinkfunction".

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

diff --git a/lib/devices/swf.c b/lib/devices/swf.c
index 4ef7972..7a28fce 100644 (file)
--- a/lib/devices/swf.c
+++ b/lib/devices/swf.c
@@ -82,9 +82,11 @@ typedef struct _swfoutput_internal
     int config_filloverlap;
     int config_protect;
     int config_bboxvars;
+    RGBA config_linkcolor;
     float config_minlinewidth;
     double config_caplinewidth;
     char* config_linktarget;
+    char*config_internallinkfunction;
 
     SWF* swf;
 
@@ -223,6 +225,10 @@ static swfoutput_internal* init_internal_struct()
     i->config_minlinewidth=0.05;
     i->config_caplinewidth=1;
     i->config_linktarget=0;
+    i->config_internallinkfunction=0;
+
+    i->config_linkcolor.r = i->config_linkcolor.g = i->config_linkcolor.b = 255;
+    i->config_linkcolor.a = 0x40;
 
     return i;
 };
@@ -1392,15 +1398,22 @@ void swfoutput_linktourl(gfxdevice_t*dev, char*url, gfxline_t*points)
 void swfoutput_linktopage(gfxdevice_t*dev, int page, gfxline_t*points)
 {
     swfoutput_internal*i = (swfoutput_internal*)dev->internal;
-    ActionTAG* actions;
+    ActionTAG* actions = 0;
 
     if(i->shapeid>=0)
        endshape(dev);
     if(i->textid>=0)
        endtext(dev);
-   
-      actions = action_GotoFrame(0, page);
-      actions = action_End(actions);
+  
+    if(!i->config_internallinkfunction) {
+       actions = action_GotoFrame(actions, page);
+       actions = action_End(actions);
+    } else {
+       actions = action_PushInt(actions, page); //parameter
+       actions = action_PushInt(actions, 1); //number of parameters (1)
+       actions = action_PushString(actions, i->config_internallinkfunction); //function name
+       actions = action_CallFunction(actions);
+    }
 
     drawlink(dev, actions, 0, points,0);
 }
@@ -1533,8 +1546,9 @@ static void drawlink(gfxdevice_t*dev, ActionTAG*actions1, ActionTAG*actions2, gf
     myshapeid2 = getNewID(dev);
     i->tag = swf_InsertTag(i->tag,ST_DEFINESHAPE3);
     swf_ShapeNew(&i->shape);
-    rgb.r = rgb.b = rgb.a = rgb.g = 255;
-    rgb.a = 40;
+    
+    rgb = i->config_linkcolor;
+
     fsid = swf_ShapeAddSolidFillStyle(i->shape,&rgb);
     swf_SetU16(i->tag, myshapeid2);
     r.xmin = (int)(bbox.xmin*20);
@@ -1654,6 +1668,8 @@ int swf_setparameter(gfxdevice_t*dev, const char*name, const char*value)
        i->config_jpegsubpixels = atof(value);
     } else if(!strcmp(name, "ppmsubpixels")) {
        i->config_ppmsubpixels = atof(value);
+    } else if(!strcmp(name, "subpixels")) {
+       i->config_ppmsubpixels = i->config_jpegsubpixels = atof(value);
     } else if(!strcmp(name, "drawonlyshapes")) {
        i->config_drawonlyshapes = atoi(value);
     } else if(!strcmp(name, "ignoredraworder")) {
@@ -1670,6 +1686,8 @@ int swf_setparameter(gfxdevice_t*dev, const char*name, const char*value)
        i->config_enablezlib = atoi(value);
     } else if(!strcmp(name, "bboxvars")) {
        i->config_bboxvars = atoi(value);
+    } else if(!strcmp(name, "internallinkfunction")) {
+       i->config_internallinkfunction = strdup(value);
     } else if(!strcmp(name, "insertstop")) {
        i->config_insertstoptag = atoi(value);
     } else if(!strcmp(name, "protect")) {
@@ -1709,6 +1727,22 @@ int swf_setparameter(gfxdevice_t*dev, const char*name, const char*value)
        v = 500-(v*5); // 100% = 0.25 pixel, 0% = 25 pixel
        if(v<1) v = 1;
        i->config_fontsplinemaxerror = v;
+    } else if(!strcmp(name, "linkcolor")) {
+       if(strlen(value)!=8) {
+           fprintf(stderr, "Unknown format for option 'linkcolor'. (%s <-> RRGGBBAA)\n", value);
+           return 1;
+       }
+#      define NIBBLE(s) (((s)>='0' && (s)<='9')?((s)-'0'):((s)&0x0f)+9)
+       i->config_linkcolor.r = NIBBLE(value[0])<<4 | NIBBLE(value[1]);
+       i->config_linkcolor.g = NIBBLE(value[2])<<4 | NIBBLE(value[3]);
+       i->config_linkcolor.b = NIBBLE(value[4])<<4 | NIBBLE(value[5]);
+       i->config_linkcolor.a = NIBBLE(value[6])<<4 | NIBBLE(value[7]);
+       printf("%02x%02x%02x%02x\n", 
+           i->config_linkcolor.r,
+           i->config_linkcolor.g,
+           i->config_linkcolor.b,
+           i->config_linkcolor.a);
+
     } else {
        fprintf(stderr, "unknown parameter: %s (=%s)\n", name, value);
        return 0;
@@ -2288,6 +2322,7 @@ static SWFFONT* gfxfont_to_swffont(gfxfont_t*font, char* id)
 {
     SWFFONT*swffont = (SWFFONT*)rfx_calloc(sizeof(SWFFONT));
     int t;
+    SRECT bounds = {0,0,0,0};
     swffont->id = -1;
     swffont->version = 2;
     swffont->name = (U8*)strdup(id);
@@ -2336,7 +2371,19 @@ static SWFFONT* gfxfont_to_swffont(gfxfont_t*font, char* id)
        swffont->glyph[t].shape = swf_ShapeDrawerToShape(&draw);
        swffont->layout->bounds[t] = swf_ShapeDrawerGetBBox(&draw);
        draw.dealloc(&draw);
+
+       swf_ExpandRect2(&bounds, &swffont->layout->bounds[t]);
     }
+    if(bounds.ymin < 0 && bounds.ymax > 0) {
+       swffont->layout->ascent = -bounds.ymin;
+       swffont->layout->descent = bounds.ymax;
+       swffont->layout->leading = bounds.ymax - bounds.ymin;
+    } else {
+       swffont->layout->ascent = (bounds.ymax - bounds.ymin)/2;
+       swffont->layout->descent = (bounds.ymax - bounds.ymin)/2;
+       swffont->layout->leading = bounds.ymax - bounds.ymin;
+    }
+
     return swffont;
 }