static gboolean
import_data (const gchar *filename, DiagramData *data, DiaContext *ctx, void* user_data)
{
DiaObjectType *otype = object_get_type("Standard - Image");
gint width, height;
if (!otype) /* this would be really broken */
return FALSE;
if (!user_data) {
dia_context_add_message(ctx, _("Calling error, missing user_data."));
return FALSE;
}
if (gdk_pixbuf_get_file_info (filename, &width, &height))
{
DiaObject *obj;
Handle *h1, *h2;
Point point;
point.x = point.y = 0.0;
obj = otype->ops->create(&point, otype->default_user_data, &h1, &h2);
if (obj)
{
GPtrArray *plist = g_ptr_array_new ();
prop_list_add_filename (plist, "image_file", filename);
prop_list_add_real (plist, "elem_width", width / 20.0);
prop_list_add_real (plist, "elem_height", height / 20.0);
obj->ops->set_props(obj, plist);
prop_list_free (plist);
layer_add_object(data->active_layer, obj);
return TRUE;
}
}
else
{
dia_context_add_message(ctx, _("Pixbuf[%s] can't load:\n%s"),
(gchar*)user_data, dia_context_get_filename(ctx));
}
return FALSE;
}
/* reads an ellipse entity from the dxf file and creates an ellipse object in dia*/
static DiaObject *
read_entity_ellipse_dxf(FILE *filedxf, DxfData *data, DiagramData *dia)
{
/* ellipse data */
Point center = {0, 0};
real width = 1.0;
real ratio_width_height = 1.0;
DiaObjectType *otype = object_get_type("Standard - Ellipse");
Handle *h1, *h2;
DiaObject *ellipse_obj;
RGB_t color = { 0, };
Color line_colour;
GPtrArray *props;
real line_width = DEFAULT_LINE_WIDTH;
Layer *layer = dia->active_layer;
do {
if(read_dxf_codes(filedxf, data) == FALSE){
return( NULL );
}
switch(data->code){
case 8:
layer = layer_find_by_name(data->value, dia);
color = pal_get_rgb (_dxf_color_get_by_layer (layer));
break;
case 10:
center.x = g_ascii_strtod(data->value, NULL) * coord_scale * measure_scale;
break;
case 11:
ratio_width_height = g_ascii_strtod(data->value, NULL) * coord_scale * measure_scale;
break;
case 20:
center.y = (-1)*g_ascii_strtod(data->value, NULL) * coord_scale * measure_scale;
break;
case 39:
line_width = g_ascii_strtod(data->value, NULL) * WIDTH_SCALE;
break;
case 40:
width = g_ascii_strtod(data->value, NULL) * WIDTH_SCALE; /* XXX what scale */
break;
case 62 :
color = pal_get_rgb (atoi(data->value));
break;
}
} while(data->code != 0);
center.x -= width;
center.y -= (width*ratio_width_height);
ellipse_obj = otype->ops->create(¢er, otype->default_user_data,
&h1, &h2);
_color_init_from_rgb (&line_colour, color);
props = g_ptr_array_new ();
prop_list_add_point (props, "elem_corner", ¢er);
prop_list_add_real (props, "elem_width", width);
prop_list_add_real (props, "elem_height", width * ratio_width_height);
prop_list_add_line_colour (props, &line_colour);
prop_list_add_line_width (props, line_width);
prop_list_add_show_background (props, FALSE);
ellipse_obj->ops->set_props(ellipse_obj, props);
prop_list_free(props);
if (layer)
layer_add_object(layer, ellipse_obj);
else
return ellipse_obj;
return NULL; /* don't add it twice */
}
/* reads a circle entity from the dxf file and creates a circle object in dia*/
static DiaObject *
read_entity_arc_dxf(FILE *filedxf, DxfData *data, DiagramData *dia)
{
/* arc data */
Point start, end;
Point center = {0, 0};
real radius = 1.0, start_angle = 0.0, end_angle=360.0;
real curve_distance;
DiaObjectType *otype = object_get_type("Standard - Arc");
Handle *h1, *h2;
DiaObject *arc_obj;
RGB_t color = { 0, };
Color line_colour;
GPtrArray *props;
real line_width = DEFAULT_LINE_WIDTH;
Layer *layer = dia->active_layer;
do {
if(read_dxf_codes(filedxf, data) == FALSE){
return( NULL );
}
switch(data->code){
case 8:
layer = layer_find_by_name(data->value, dia);
color = pal_get_rgb (_dxf_color_get_by_layer (layer));
break;
case 10:
center.x = g_ascii_strtod(data->value, NULL) * coord_scale * measure_scale;
break;
case 20:
center.y = (-1)*g_ascii_strtod(data->value, NULL) * coord_scale * measure_scale;
break;
case 39:
line_width = g_ascii_strtod(data->value, NULL) * WIDTH_SCALE;
break;
case 40:
radius = g_ascii_strtod(data->value, NULL) * coord_scale * measure_scale;
break;
case 50:
start_angle = g_ascii_strtod(data->value, NULL)*M_PI/180.0;
break;
case 51:
end_angle = g_ascii_strtod(data->value, NULL)*M_PI/180.0;
break;
case 62 :
color = pal_get_rgb (atoi(data->value));
break;
}
} while(data->code != 0);
/* printf("c.x=%f c.y=%f s",center.x,center.y); */
start.x = center.x + cos(start_angle) * radius;
start.y = center.y - sin(start_angle) * radius;
end.x = center.x + cos(end_angle) * radius;
end.y = center.y - sin(end_angle) * radius;
/*printf("s.x=%f s.y=%f e.x=%f e.y=%f\n",start.x,start.y,end.x,end.y);*/
if (end_angle < start_angle) end_angle += 2.0*M_PI;
curve_distance = radius * (1 - cos ((end_angle - start_angle)/2));
/*printf("start_angle: %f end_angle: %f radius:%f curve_distance:%f\n",
start_angle,end_angle,radius,curve_distance);*/
arc_obj = otype->ops->create(¢er, otype->default_user_data,
&h1, &h2);
_color_init_from_rgb (&line_colour, color);
props = g_ptr_array_new ();
prop_list_add_point (props, "start_point", &start);
prop_list_add_point (props, "end_point", &end);
prop_list_add_real (props, "curve_distance", curve_distance);
prop_list_add_line_colour (props, &line_colour);
prop_list_add_line_width (props, line_width);
arc_obj->ops->set_props(arc_obj, props);
prop_list_free(props);
if (layer)
layer_add_object(layer, arc_obj);
else
return arc_obj ;
return NULL; /* don't add it twice */
}