X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fmain.h;h=bfd9fac554aa17b40c51de97c961864eb8d09629;hp=e866bc1d36e199d3b0d56198448ad9f427599f48;hb=aaa65d90ac812f924cbbc39bef7a5f8b6cad2da3;hpb=700f1449af19115ff2bbe50ad67ea7c73f9aa5cd

diff --git a/src/main.h b/src/main.h
index e866bc1..bfd9fac 100644
--- a/src/main.h
+++ b/src/main.h
@@ -13,13 +13,12 @@ inline void OverlayBMP(Document & doc, const char * input, const char * output,
 {
 	View view(doc, bounds, c);
 	Screen scr;
-	scr.RenderBMP(input);
+	if (input != NULL)
+		scr.RenderBMP(input);
 	view.Render();
+	if (output != NULL)
+		scr.ScreenShot(output);
 	scr.Present();
-	sleep(5);
-	scr.RenderBMP(input);
-	view.Render();
-	scr.ScreenShot(output);
 }
 
 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))
@@ -31,6 +30,14 @@ inline void MainLoop(Document & doc, const Rect & bounds = Rect(0,0,1,1), const
 	{
 		static bool oldButtonDown = false;
 		static int oldx, oldy;
+		if (buttons > 1 && !oldButtonDown)
+		{
+			oldButtonDown = true;
+			view.ToggleGPUTransform();
+			oldx = x;
+			oldy = y;
+			return;
+		}
 		if (buttons && !oldButtonDown)
 		{
 			// We're beginning a drag.
@@ -65,6 +72,14 @@ inline void MainLoop(Document & doc, const Rect & bounds = Rect(0,0,1,1), const
 		view.Render();
 		scr.DebugFontPrintF("[CPU] Render took %lf ms (%lf FPS)\n", (SDL_GetPerformanceCounter() - init_time)* 1000.0/SDL_GetPerformanceFrequency(), SDL_GetPerformanceFrequency()/(SDL_GetPerformanceCounter() - init_time));
 		scr.DebugFontPrintF("View bounds: (%f, %f) - (%f, %f)\n", view.GetBounds().x, view.GetBounds().y, view.GetBounds().w, view.GetBounds().h);
+		if (view.UsingGPUTransform())
+		{
+			scr.DebugFontPrint("Doing coordinate transform on the GPU.\n");
+		}
+		else
+		{
+			scr.DebugFontPrint("Doing coordinate transform on the CPU.\n");
+		}
 		scr.Present();
 		init_time = SDL_GetPerformanceCounter();
 	}