X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fscreen.h;h=d918dd1afc2a9fd0b604b46468939d1e4c247c7f;hp=e6418265b522bdf2a8dcdb51cf529c52158d4bab;hb=a851cf197844a2eb15fd5ee2c350ee296e415dca;hpb=07db15ca49833542130f7c29c6a6dc7560fab59d

diff --git a/src/screen.h b/src/screen.h
index e641826..d918dd1 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -5,6 +5,10 @@
 
 #include <functional>
 
+#include "stb_truetype.h"
+#include "graphicsbuffer.h"
+#include "shaderprogram.h"
+
 namespace IPDF
 {
 	/*
@@ -20,6 +24,9 @@ namespace IPDF
 		// Returns 'false' if the program should quit.
 		bool PumpEvents();
 
+		// Clears the screen to a given colour.
+		void Clear(float r=1.0, float g=1.0, float b=1.0, float a=1.0);
+
 		// Finishes rendering a frame, and presents it on the screen.
 		void Present();
 
@@ -27,6 +34,12 @@ namespace IPDF
 		int ViewportWidth() const { return m_viewport_width; }
 		int ViewportHeight() const { return m_viewport_height; }
 		
+		// Debug Font handling
+		void DebugFontInit(const char *font_name, float font_size = 12);
+		void DebugFontClear();
+		void DebugFontPrint(const char *str);
+		void DebugFontPrintF(const char *fmt, ...);
+		
 		// Handle mouse input.
 		typedef std::function<void(int x, int y, int button, int wheel)> MouseHandler;
 		void SetMouseHandler(MouseHandler handler)
@@ -48,6 +61,7 @@ namespace IPDF
 		void RenderBMP(const char * filename) const;
 	private:
 		void ResizeViewport(int width, int height);
+		void DebugFontFlush();
 		
 		MouseHandler m_mouse_handler;
 		int m_last_mouse_x;
@@ -57,6 +71,18 @@ namespace IPDF
 		int m_viewport_height;
 		SDL_Window *m_window;
 		SDL_GLContext m_gl_context;
+		ShaderProgram m_texture_prog;
+		GLint m_colour_uniform_location;
+		GraphicsBuffer m_viewport_ubo;
+		stbtt_bakedchar m_debug_font_rects[96];
+		unsigned int m_debug_font_atlas;
+		float m_debug_font_x;
+		float m_debug_font_y;
+		float m_debug_font_size;
+		GraphicsBuffer m_debug_font_vertices;
+		GraphicsBuffer m_debug_font_indices;
+		int m_debug_font_vertex_head;
+		int m_debug_font_index_head;
 	};
 
 }