void
handle_draw(Handle *handle, DDisplay *ddisp)
{
gboolean some_selected;
int x,y;
DiaRenderer *renderer = ddisp->renderer;
DiaInteractiveRendererInterface *irenderer =
DIA_GET_INTERACTIVE_RENDERER_INTERFACE (ddisp->renderer);
const Color *color;
ddisplay_transform_coords(ddisp, handle->pos.x, handle->pos.y, &x, &y);
/* change handle color to reflect different behaviour for multiple selected */
/* this code relies on the fact that only selected objects get their handles drawn */
some_selected = g_list_length (ddisp->diagram->data->selected) > 1;
if (handle->connected_to != NULL) {
color = &handle_color_connected[handle->type + (some_selected ? NUM_HANDLE_TYPES : 0)];
} else {
color = &handle_color[handle->type + (some_selected ? NUM_HANDLE_TYPES : 0)];
}
DIA_RENDERER_GET_CLASS(renderer)->set_linewidth(renderer, 0.0);
DIA_RENDERER_GET_CLASS(renderer)->set_linestyle(renderer, LINESTYLE_SOLID);
DIA_RENDERER_GET_CLASS(renderer)->set_linejoin(renderer, LINEJOIN_MITER);
DIA_RENDERER_GET_CLASS(renderer)->set_fillstyle(renderer, FILLSTYLE_SOLID);
irenderer->fill_pixel_rect(renderer,
x - HANDLE_SIZE/2 + 1,
y - HANDLE_SIZE/2 + 1,
HANDLE_SIZE-2, HANDLE_SIZE-2,
/* it does not change the color, but does not reflect taht in the signature */
(Color *)color);
irenderer->draw_pixel_rect(renderer,
x - HANDLE_SIZE/2,
y - HANDLE_SIZE/2,
HANDLE_SIZE-1, HANDLE_SIZE-1,
&color_black);
if (handle->connect_type != HANDLE_NONCONNECTABLE) {
irenderer->draw_pixel_line
(renderer,
x - HANDLE_SIZE/2, y - HANDLE_SIZE/2,
x + HANDLE_SIZE/2, y + HANDLE_SIZE/2,
&color_black);
irenderer->draw_pixel_line
(renderer,
x - HANDLE_SIZE/2, y + HANDLE_SIZE/2,
x + HANDLE_SIZE/2, y - HANDLE_SIZE/2,
&color_black);
}
}
void
ddisplay_render_pixmap(DDisplay *ddisp, Rectangle *update)
{
GList *list;
DiaObject *obj;
int i;
DiaInteractiveRendererInterface *renderer;
#ifdef TRACES
GTimer *timer;
#endif
if (ddisp->renderer==NULL) {
printf("ERROR! Renderer was NULL!!\n");
return;
}
renderer = DIA_GET_INTERACTIVE_RENDERER_INTERFACE (ddisp->renderer);
/* Erase background */
g_return_if_fail (renderer->fill_pixel_rect != NULL);
DIA_RENDERER_GET_CLASS(ddisp->renderer)->begin_render(ddisp->renderer, update);
if (update) {
int x0, y0, x1, y1;
ddisplay_transform_coords (ddisp, update->left, update->top, &x0, &y0);
ddisplay_transform_coords (ddisp, update->right, update->bottom, &x1, &y1);
renderer->fill_pixel_rect (ddisp->renderer,
x0, y0, x1-x0, y1-y0,
&ddisp->diagram->data->bg_color);
} else
renderer->fill_pixel_rect (ddisp->renderer,
0, 0,
dia_renderer_get_width_pixels (ddisp->renderer),
dia_renderer_get_height_pixels (ddisp->renderer),
&ddisp->diagram->data->bg_color);
/* Draw grid */
grid_draw(ddisp, update);
pagebreak_draw(ddisp, update);
#ifdef TRACES
timer = g_timer_new();
#endif
data_render(ddisp->diagram->data, ddisp->renderer, update,
ddisplay_obj_render, (gpointer) ddisp);
#ifdef TRACES
g_print ("data_render(%g%%) took %g seconds\n", ddisp->zoom_factor * 5.0, g_timer_elapsed (timer, NULL));
g_timer_destroy (timer);
#endif
/* Draw handles for all selected objects */
list = ddisp->diagram->data->selected;
while (list!=NULL) {
obj = (DiaObject *) list->data;
for (i=0;i<obj->num_handles;i++) {
handle_draw(obj->handles[i], ddisp);
}
list = g_list_next(list);
}
DIA_RENDERER_GET_CLASS(ddisp->renderer)->end_render(ddisp->renderer);
}