Real that uses Fast2Sum for addition

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

diff --git a/src/screen.h b/src/screen.h
index e641826..66590e7 100644 (file)
--- a/src/screen.h
+++ b/src/screen.h
@@ -5,6 +5,8 @@
 
 #include <functional>
 
+#include "stb_truetype.h"
+
 namespace IPDF
 {
        /*
@@ -20,6 +22,9 @@ 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 +32,12 @@ 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)
@@ -57,6 +68,11 @@ namespace IPDF
                int m_viewport_height;
                SDL_Window *m_window;
                SDL_GLContext m_gl_context;
+               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;
        };
 
 }