cinelerra/canvastools.C

   1 #include "canvastools.h"
   2 #include "mwindowgui.h"
   3 #include "trackcanvas.h"
   4
   5
   6
   7 CanvasTool::CanvasTool(MWindow *mwindow,
   8                 TrackCanvas *trackcanvas,
   9                 Edit *edit,
  10                 int x,
  11                 int y,
  12                 VFrame **data)
  13  : BC_Button(x, y, data)
  14 {
  15         this->mwindow = mwindow;
  16         this->trackcanvas = trackcanvas;
  17         this->edit = edit;
  18         visible = 1;
  19 }
  20
  21 CanvasTool::~CanvasTool()
  22 {
  23 }
  24
  25
  26
  27
  28 CanvasTools::CanvasTools(MWindow *mwindow,
  29                 TrackCanvas *trackcanvas)
  30  : ArrayList<CanvasTool*>()
  31 {
  32         this->mwindow = mwindow;
  33         this->trackcanvas = trackcanvas;
  34 }
  35
  36 CanvasTools::~CanvasTools()
  37 {
  38         remove_all_objects();
  39 }
  40
  41 void CanvasTools::decrease_visible()
  42 {
  43         for(int i = 0; i < total; i++)
  44                 values[i]->visible--;
  45 }
  46
  47 void CanvasTools::delete_invisible()
  48 {
  49         for(int i = total - 1; i >= 0; i--)
  50                 if(values[i]->visible < 1)
  51                 {
  52                         delete values[i];
  53                         remove(values[i]);
  54                 }
  55 }
  56
  57 // Region is visible on track canvas
  58 int CanvasTools::visible(int x, int y, int w, int h)
  59 {
  60         return MWindowGUI::visible(x, x + w, 0, trackcanvas->get_w()) &&
  61                 MWindowGUI::visible(y, y + h, 0, trackcanvas->get_h());
  62 }