Implement some missing lua functions, PNG format creation (requires zlib)

4 files changed, 31 insertions, 0 deletions

diff --git a/src/graphics/Graphics.cpp b/src/graphics/Graphics.cpp
index eb92435..e7cce03 100644
--- a/src/graphics/Graphics.cpp
+++ b/src/graphics/Graphics.cpp
@@ -909,3 +909,12 @@ void Graphics::draw_image(VideoBuffer * vidBuf, int x, int y, int a)
 	draw_image(vidBuf->Buffer, x, y, vidBuf->Width, vidBuf->Height, a);
 }
 
+VideoBuffer Graphics::DumpFrame()
+{
+#ifdef OGLI
+#else
+	VideoBuffer newBuffer(XRES+BARSIZE, YRES+MENUSIZE);
+	std::copy(vid, vid+((XRES+BARSIZE)*(YRES+MENUSIZE)), newBuffer.Buffer);
+	return newBuffer;
+#endif
+}
\ No newline at end of file
diff --git a/src/graphics/Graphics.h b/src/graphics/Graphics.h
index e74239e..46d28b4 100644
--- a/src/graphics/Graphics.h
+++ b/src/graphics/Graphics.h
@@ -4,6 +4,7 @@
 #include <string>
 #include <cstdlib>
 #include <cstring>
+#include <vector>
 #if defined(OGLI)
 #include "OpenGLHeaders.h"
 #endif
@@ -135,6 +136,8 @@ public:
 	static int textwidth(const char *s);
 	static void textsize(const char * s, int & width, int & height);
 
+	VideoBuffer DumpFrame();
+
 	void Acquire();
 	void Release();
 
diff --git a/src/graphics/Renderer.cpp b/src/graphics/Renderer.cpp
index 11cf9c3..6c1a31b 100644
--- a/src/graphics/Renderer.cpp
+++ b/src/graphics/Renderer.cpp
@@ -2475,6 +2475,23 @@ unsigned int Renderer::GetColourMode()
 	return colour_mode;
 }
 
+VideoBuffer Renderer::DumpFrame()
+{
+#ifdef OGLR
+#elif defined(OGLI) 
+	VideoBuffer newBuffer(XRES, YRES);
+	std::copy(vid, vid+(XRES*YRES), newBuffer.Buffer);
+	return newBuffer;
+#else
+	VideoBuffer newBuffer(XRES, YRES);
+	for(int y = 0; y < YRES; y++)
+	{
+		std::copy(vid+(y*(XRES+BARSIZE)), vid+(y*(XRES+BARSIZE))+XRES, newBuffer.Buffer+(y*XRES));
+	}
+	return newBuffer;
+#endif
+}
+
 Renderer::~Renderer()
 {
 #if !defined(OGLR)
diff --git a/src/graphics/Renderer.h b/src/graphics/Renderer.h
index 6691ef1..cc7debe 100644
--- a/src/graphics/Renderer.h
+++ b/src/graphics/Renderer.h
@@ -113,6 +113,8 @@ public:
 	void draw_image(pixel *img, int x, int y, int w, int h, int a);
 #endif
 
+	VideoBuffer DumpFrame();
+
 	void drawblob(int x, int y, unsigned char cr, unsigned char cg, unsigned char cb);
 	//...
 	//Display mode modifiers