Merge branch 'master' of git.ucc.asn.au:/ipdf/code

[ipdf/code.git] / src / main.h

diff --git a/src/main.h b/src/main.h
index ee8076a..f1a0172 100644 (file)
--- a/src/main.h
+++ b/src/main.h
@@ -3,17 +3,63 @@
 #include "document.h"
 #include "view.h"
 #include "screen.h"
+#include <unistd.h>
 
 
 using namespace std;
 using namespace IPDF;
 
-inline void MainLoop(Document & doc)
+inline void OverlayBMP(Document & doc, const char * input, const char * output, const Rect & bounds = Rect(0,0,1,1), const Colour & c = Colour(0.f,0.f,0.f,1.f))
 {
-       View view(doc);
+       View view(doc, bounds, c);
        Screen scr;
+       scr.RenderBMP(input);
+       view.Render();
+       sleep(1);
+       scr.ScreenShot(output);
+       scr.Present();
+       
+       sleep(1);
+}
+
+inline void MainLoop(Document & doc, const Rect & bounds = Rect(0,0,1,1), const Colour & c = Colour(0.f,0.f,0.f,1.f))
+{
+       View view(doc,bounds, c);
+       Screen scr;
+       scr.SetMouseHandler([&](int x, int y, int buttons, int wheel) // [?] wtf
+       {
+               static bool oldButtonDown = false;
+               static int oldx, oldy;
+               if (buttons && !oldButtonDown)
+               {
+                       // We're beginning a drag.
+                       oldButtonDown = true;
+                       oldx = x;
+                       oldy = y;
+                       scr.SetMouseCursor(Screen::CursorMove);
+               }
+               if (buttons)
+               {
+                       view.Translate(Real(oldx-x)/Real(scr.ViewportWidth()), Real(oldy-y)/Real(scr.ViewportHeight()));
+               }
+               else
+               {
+                       oldButtonDown = false;
+                       scr.SetMouseCursor(Screen::CursorArrow);
+               }
+               oldx = x;
+               oldy = y;
+               
+               if (wheel)
+               {
+                       view.ScaleAroundPoint(Real(x)/Real(scr.ViewportWidth()),Real(y)/Real(scr.ViewportHeight()), expf(-wheel/20.f));
+               }
+       }
+       );
+
        while (scr.PumpEvents())
        {
+               scr.Clear();
                view.Render();
                scr.Present();
        }