X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fscreen.h;h=ddcf8cace42c35083c763c874250fcd2009c7a63;hp=ebe9da29ba0c71e49aa99d58d70075f1f0126ee5;hb=6917074cea22cd2de4a92b5c189c7ff50ede59b5;hpb=245ccc8576d4bd29ab04d506ddb0c44b04a67e39 diff --git a/src/screen.h b/src/screen.h index ebe9da2..ddcf8ca 100644 --- a/src/screen.h +++ b/src/screen.h @@ -3,6 +3,11 @@ #include +#include + +#include "stb_truetype.h" +#include "graphicsbuffer.h" + namespace IPDF { /* @@ -18,20 +23,64 @@ 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(); // Get the current width/height of the window's viewport. - int ViewportWidth() { return m_viewport_width; } - int ViewportHeight() { return m_viewport_height; } + 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 MouseHandler; + void SetMouseHandler(MouseHandler handler) + { + m_mouse_handler = handler; + } + + enum MouseCursors + { + CursorArrow, + CursorWait, + CursorWaitArrow, + CursorMove, + CursorHand + }; + void SetMouseCursor(MouseCursors cursor); + + void ScreenShot(const char * filename) const; + void RenderBMP(const char * filename) const; private: void ResizeViewport(int width, int height); + void DebugFontFlush(); + + MouseHandler m_mouse_handler; + int m_last_mouse_x; + int m_last_mouse_y; int m_viewport_width; 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; + GraphicsBuffer m_debug_font_vertices; + GraphicsBuffer m_debug_font_indices; + int m_debug_font_vertex_head; + int m_debug_font_index_head; }; + } #endif // _SCREEN_H