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Cosmetic of the parametric curve editor + reset button added for the curves

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This commit is contained in:
Hombre
2010-07-07 10:51:30 +02:00
parent 757fa3b54e
commit d95cf20c98
6 changed files with 78 additions and 10 deletions
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18
rtgui/shcselector.cc
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@@ -19,6 +19,7 @@
#include <shcselector.h>
#include <iomanip>
#include <mycurve.h>
SHCSelector::SHCSelector() : movingPosition(-1), cl(NULL) {
@@ -99,18 +100,22 @@ bool SHCSelector::on_expose_event(GdkEventExpose* event) {
cr->set_line_width (0.5);
if (movingPosition >= 0) {
int i = movingPosition;
int offset;
int layout_width, layout_height;
Glib::RefPtr<Pango::Layout> layout = create_pango_layout(Glib::ustring::format(std::setprecision(2), positions[i]));
cr->move_to (w*positions[i]+wslider/2-0.5, 0);
layout->get_pixel_size(layout_width, layout_height);
offset = positions[i] > 0.5 ? -layout_width-1-wslider/2 : 1+wslider/2;
cr->move_to (w*positions[i]+offset-0.5, 0);
cr->set_source_rgb (bgc.get_red_p(), bgc.get_green_p(), bgc.get_blue_p());
layout->add_to_cairo_context (cr);
cr->fill_preserve ();
cr->stroke ();
cr->move_to (w*positions[i]+wslider/2+0.5, 1);
cr->move_to (w*positions[i]+offset+0.5, 1);
layout->add_to_cairo_context (cr);
cr->fill_preserve ();
cr->stroke ();
cr->set_source_rgb (fgc.get_red_p(), fgc.get_green_p(), fgc.get_blue_p());
cr->move_to (w*positions[i]+wslider/2, 0.5);
cr->move_to (w*positions[i]+offset, 0.5);
layout->add_to_cairo_context (cr);
cr->fill_preserve ();
cr->stroke ();
@@ -164,3 +169,10 @@ void SHCSelector::styleChanged (const Glib::RefPtr<Gtk::Style>& style) {
queue_draw ();
}
void SHCSelector::reset () { // : movingPosition(-1), cl(NULL) {
positions[0] = 0.25;
positions[1] = 0.5;
positions[2] = 0.75;
queue_draw ();
}