/*! \todo Finish function documentation!!!
* \brief
* \par Function Description
*
*/
void a_zoom_box_draw_rubber (GschemToplevel *w_current, EdaRenderer *renderer)
{
double wwidth = 0;
cairo_t *cr = eda_renderer_get_cairo_context (renderer);
GArray *color_map = eda_renderer_get_color_map (renderer);
int flags = eda_renderer_get_cairo_flags (renderer);
eda_cairo_box (cr, flags, wwidth, w_current->first_wx, w_current->first_wy,
w_current->second_wx, w_current->second_wy);
eda_cairo_set_source_color (cr, ZOOM_BOX_COLOR, color_map);
eda_cairo_stroke (cr, flags, TYPE_SOLID, END_NONE, wwidth, -1, -1);
}
/*! \brief Draw picture from GschemToplevel object.
* \par Function Description
* This function draws the box from the variables in the GschemToplevel
* structure <B>*w_current</B>.
* One corner of the box is at (<B>w_current->first_wx</B>,
* <B>w_current->first_wy</B>) and the second corner is at
* (<B>w_current->second_wx</B>,<B>w_current->second_wy</B>.
*
* \param [in] w_current The GschemToplevel object.
*/
void o_picture_draw_rubber (GschemToplevel *w_current, EdaRenderer *renderer)
{
int left, top, width, height;
double wwidth = 0;
cairo_t *cr = eda_renderer_get_cairo_context (renderer);
GArray *color_map = eda_renderer_get_color_map (renderer);
int flags = eda_renderer_get_cairo_flags (renderer);
/* get the width/height and the upper left corner of the picture */
left = GET_PICTURE_LEFT (w_current);
top = GET_PICTURE_TOP (w_current);
width = GET_PICTURE_WIDTH (w_current);
height = GET_PICTURE_HEIGHT (w_current);
eda_cairo_box (cr, flags, wwidth, left, top - height, left + width, top);
eda_cairo_set_source_color (cr, SELECT_COLOR, color_map);
eda_cairo_stroke (cr, flags, TYPE_SOLID, END_NONE, wwidth, -1, -1);
}
/*! \brief Draw a bounding box or outline for OBJECT placement
* \par Function Description
* This function draws either the OBJECTS in the place list
* or a rectangle around their bounding box, depending upon the
* currently selected w_current->actionfeedback_mode. This takes the
* value BOUNDINGBOX or OUTLINE.
*
* The function applies manhatten mode constraints to the coordinates
* before drawing if the CONTROL key is recording as being pressed in
* the w_current structure.
*
* \param w_current GschemToplevel which we're drawing for.
* \param renderer Renderer to use for drawing.
*/
void
o_place_draw_rubber (GschemToplevel *w_current, EdaRenderer *renderer)
{
int diff_x, diff_y;
cairo_t *cr = eda_renderer_get_cairo_context (renderer);
g_return_if_fail (w_current != NULL);
GschemPageView *page_view = gschem_toplevel_get_current_page_view (w_current);
g_return_if_fail (page_view != NULL);
PAGE *page = gschem_page_view_get_page (page_view);
g_return_if_fail (page != NULL);
g_return_if_fail (page->place_list != NULL);
/* Don't worry about the previous drawing method and movement
* constraints, use with the current settings */
w_current->last_drawb_mode = w_current->actionfeedback_mode;
w_current->drawbounding_action_mode = (w_current->CONTROLKEY &&
! ((w_current->event_state == PASTEMODE) ||
(w_current->event_state == COMPMODE) ||
(w_current->event_state == TEXTMODE)))
? CONSTRAINED : FREE;
/* Calculate delta of X-Y positions from buffer's origin */
diff_x = w_current->second_wx - w_current->first_wx;
diff_y = w_current->second_wy - w_current->first_wy;
/* Adjust the coordinates according to the movement constraints */
if (w_current->drawbounding_action_mode == CONSTRAINED ) {
if (abs(diff_x) >= abs(diff_y)) {
w_current->second_wy = w_current->first_wy;
diff_y = 0;
} else {
w_current->second_wx = w_current->first_wx;
diff_x = 0;
}
}
/* Translate the cairo context to the required offset before drawing. */
cairo_save (cr);
cairo_translate (cr, diff_x, diff_y);
/* Draw with the appropriate mode */
if (w_current->last_drawb_mode == BOUNDINGBOX) {
GArray *map = eda_renderer_get_color_map (renderer);
int flags = eda_renderer_get_cairo_flags (renderer);
int left, top, bottom, right;
/* Find the bounds of the drawing to be done */
world_get_object_glist_bounds (page->toplevel,
page->place_list,
&left, &top, &right, &bottom);
/* Draw box outline */
eda_cairo_box (cr, flags, 0, left, top, right, bottom);
eda_cairo_set_source_color (cr, BOUNDINGBOX_COLOR, map);
eda_cairo_stroke (cr, flags, TYPE_SOLID, END_NONE, 0, -1, -1);
} else {
GList *iter;
for (iter = page->place_list; iter != NULL;
iter = g_list_next (iter)) {
eda_renderer_draw (renderer, (OBJECT *) iter->data);
}
}
cairo_restore (cr);
}
