static void
beziergon_draw(Beziergon *beziergon, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
BezierShape *bez = &beziergon->bezier;
BezPoint *points;
int n;
points = &bez->bezier.points[0];
n = bez->bezier.num_points;
renderer_ops->set_linewidth(renderer, beziergon->line_width);
renderer_ops->set_linestyle(renderer, beziergon->line_style);
renderer_ops->set_dashlength(renderer, beziergon->dashlength);
renderer_ops->set_linejoin(renderer, beziergon->line_join);
renderer_ops->set_linecaps(renderer, LINECAPS_BUTT);
if (beziergon->show_background)
renderer_ops->fill_bezier(renderer, points, n, &beziergon->inner_color);
renderer_ops->draw_bezier(renderer, points, n, &beziergon->line_color);
/* these lines should only be displayed when object is selected.
* Unfortunately the draw function is not aware of the selected
* state. This is a compromise until I fix this properly. */
if (renderer->is_interactive &&
dia_object_is_selected((DiaObject*)beziergon)) {
bezier_draw_control_lines (beziergon->bezier.bezier.num_points, beziergon->bezier.bezier.points, renderer);
}
}
/*!
* \brief Object drawing to the given renderer
*
* \memberof _StdPath
*/
static void
stdpath_draw(StdPath *stdpath, DiaRenderer *renderer)
{
DIA_RENDERER_GET_CLASS (renderer)->set_linewidth (renderer, stdpath->line_width);
DIA_RENDERER_GET_CLASS (renderer)->set_linestyle (renderer, stdpath->line_style, stdpath->dashlength);
DIA_RENDERER_GET_CLASS (renderer)->set_linejoin(renderer, stdpath->line_join);
DIA_RENDERER_GET_CLASS (renderer)->set_linecaps(renderer, stdpath->line_caps);
if (DIA_RENDERER_GET_CLASS (renderer)->is_capable_to(renderer, RENDER_HOLES)) {
if (stdpath->stroke_or_fill & PDO_FILL) {
Color fill = stdpath->fill_color;
if (stdpath->pattern) {
dia_pattern_get_fallback_color (stdpath->pattern, &fill);
if (DIA_RENDERER_GET_CLASS (renderer)->is_capable_to(renderer, RENDER_PATTERN))
DIA_RENDERER_GET_CLASS (renderer)->set_pattern (renderer, stdpath->pattern);
}
if (stdpath->stroke_or_fill & PDO_STROKE) /* also stroke -> combine */
DIA_RENDERER_GET_CLASS (renderer)->draw_beziergon(renderer, stdpath->points, stdpath->num_points,
&fill, &stdpath->line_color);
else
DIA_RENDERER_GET_CLASS (renderer)->draw_beziergon(renderer, stdpath->points, stdpath->num_points,
&fill, NULL);
if (DIA_RENDERER_GET_CLASS (renderer)->is_capable_to(renderer, RENDER_PATTERN))
DIA_RENDERER_GET_CLASS (renderer)->set_pattern (renderer, NULL);
}
if (stdpath->stroke_or_fill == PDO_STROKE) /* stroke only */
DIA_RENDERER_GET_CLASS (renderer)->draw_bezier(renderer, stdpath->points, stdpath->num_points,
&stdpath->line_color);
} else {
/* step-wise approach */
/* if it wouldn't RENDER_HOLES it presumably also wouldn't RENDER_PATTERN ... */
if (stdpath->stroke_or_fill & PDO_FILL) {
Color fill = stdpath->fill_color;
if (stdpath->pattern)
dia_pattern_get_fallback_color (stdpath->pattern, &fill);
bezier_render_fill (renderer, stdpath->points, stdpath->num_points, &fill);
}
if (stdpath->stroke_or_fill & PDO_STROKE)
bezier_render_stroke (renderer, stdpath->points, stdpath->num_points, &stdpath->line_color);
}
if (stdpath->show_control_lines)
bezier_draw_control_lines (stdpath->num_points, stdpath->points, renderer);
}
static void
bezierline_draw(Bezierline *bezierline, DiaRenderer *renderer)
{
Point gap_points[4]; /* two first and two last bez points */
BezierConn *bez = &bezierline->bez;
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
renderer_ops->set_linewidth(renderer, bezierline->line_width);
renderer_ops->set_linestyle(renderer, bezierline->line_style, bezierline->dashlength);
renderer_ops->set_linejoin(renderer, bezierline->line_join);
renderer_ops->set_linecaps(renderer, bezierline->line_caps);
if (connpoint_is_autogap(bez->object.handles[0]->connected_to) ||
connpoint_is_autogap(bez->object.handles[3*(bez->bezier.num_points-1)]->connected_to) ||
bezierline->absolute_start_gap || bezierline->absolute_end_gap) {
compute_gap_points(bezierline,gap_points);
exchange_bez_gap_points(bez,gap_points);
renderer_ops->draw_bezier_with_arrows(renderer, bez->bezier.points, bez->bezier.num_points,
bezierline->line_width,
&bezierline->line_color,
&bezierline->start_arrow,
&bezierline->end_arrow);
exchange_bez_gap_points(bez,gap_points);
} else {
renderer_ops->draw_bezier_with_arrows(renderer, bez->bezier.points, bez->bezier.num_points,
bezierline->line_width,
&bezierline->line_color,
&bezierline->start_arrow,
&bezierline->end_arrow);
}
#if 0
renderer_ops->draw_bezier(renderer, bez->bezier.points, bez->bezier.num_points,
&bezierline->line_color);
if (bezierline->start_arrow.type != ARROW_NONE) {
arrow_draw(renderer, bezierline->start_arrow.type,
&bez->bezier.points[0].p1, &bez->bezier.points[1].p1,
bezierline->start_arrow.length, bezierline->start_arrow.width,
bezierline->line_width,
&bezierline->line_color, &color_white);
}
if (bezierline->end_arrow.type != ARROW_NONE) {
arrow_draw(renderer, bezierline->end_arrow.type,
&bez->bezier.points[bez->bezier.num_points-1].p3,
&bez->bezier.points[bez->bezier.num_points-1].p2,
bezierline->end_arrow.length, bezierline->end_arrow.width,
bezierline->line_width,
&bezierline->line_color, &color_white);
}
#endif
/* Only display lines while selected. Calling dia_object_is_selected()
* every time may take a little long. Some time can be saved by storing
* whether the object is currently selected in bezierline_select, and
* only checking while selected. But we'll do that if needed.
*/
if (renderer->is_interactive &&
dia_object_is_selected(&bezierline->bez.object)) {
bezier_draw_control_lines(bezierline->bez.bezier.num_points, bezierline->bez.bezier.points, renderer);
}
}
