From: Sam Moore <matches@ucc.asn.au>
Date: Thu, 17 Apr 2014 06:31:36 +0000 (+0800)
Subject: Merge branch 'master' of git.ucc.asn.au:/ipdf/code
X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=commitdiff_plain;h=029e93dad12c51c69e47aa74dcc39f84d315bca3;hp=-c

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

Conflicts:
	src/screen.cpp

David's way is better.
---

029e93dad12c51c69e47aa74dcc39f84d315bca3
diff --combined src/main.h
index 7cfa22c,9fcc26b..f1a0172
--- a/src/main.h
+++ b/src/main.h
@@@ -13,12 -13,11 +13,13 @@@ inline void OverlayBMP(Document & doc, 
  {
  	View view(doc, bounds, c);
  	Screen scr;
- 	//view.Render();
  	scr.RenderBMP(input);
- 	scr.Present();
+ 	view.Render();
 -	scr.Present();
 -	sleep(5);
 +	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))
@@@ -58,6 -57,7 +59,7 @@@
  
  	while (scr.PumpEvents())
  	{
+ 		scr.Clear();
  		view.Render();
  		scr.Present();
  	}
diff --combined src/screen.cpp
index 5f32f0d,59d4334..01e7364
--- a/src/screen.cpp
+++ b/src/screen.cpp
@@@ -19,11 -19,11 +19,11 @@@ Screen::Screen(
  
  	m_gl_context = SDL_GL_CreateContext(m_window);
  
- 	glClearColor(1.f,1.f,1.f,1.f);
- 	glClear(GL_COLOR_BUFFER_BIT);
+ 	ResizeViewport(800, 600);
+ 
+ 	Clear();
  	Present();
  	
- 	ResizeViewport(800, 600);
  
  }
  
@@@ -34,6 -34,12 +34,12 @@@ Screen::~Screen(
  	SDL_Quit();
  }
  
+ void Screen::Clear(float r, float g, float b, float a)
+ {
+ 	glClearColor(r,g,b,a);
+ 	glClear(GL_COLOR_BUFFER_BIT);
+ }
+ 
  void Screen::ResizeViewport(int width, int height)
  {
  	glViewport(0, 0, width, height);
@@@ -133,13 -139,16 +139,17 @@@ void Screen::ScreenShot(const char * fi
  	if (pixels == NULL)
  		Fatal("Failed to allocate %d x %d x 4 = %d pixel array", w, h, w*h*4);
  
 +
- 	glReadBuffer(GL_FRONT);
- 	glPixelStorei(GL_PACK_ALIGNMENT, 1);
- 
- 	glReadPixels(0,0,w, h, GL_BGRA, GL_UNSIGNED_BYTE, pixels);
+ 	for (int y = 0; y < h; ++y)
+ 	{
+ 		glReadPixels(0,h-y-1,w, 1, GL_RGBA, GL_UNSIGNED_BYTE, &pixels[y*w*4]);
+ 	}
  
- 	SDL_Surface * surf = SDL_CreateRGBSurfaceFrom(pixels, w, h, 8*4, w*4, 0,0,0,0);
+ #if SDL_BYTEORDER == SDL_LIL_ENDIAN
+ 	SDL_Surface * surf = SDL_CreateRGBSurfaceFrom(pixels, w, h, 8*4, w*4, 0x000000ff,0x0000ff00,0x00ff0000,0xff000000);
+ #else
+ 	SDL_Surface * surf = SDL_CreateRGBSurfaceFrom(pixels, w, h, 8*4, w*4, 0xff000000,0x00ff0000,0x0000ff00,0x000000ff);
+ #endif
  	if (surf == NULL)
  		Fatal("Failed to create SDL_Surface from pixel data - %s", SDL_GetError());