124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
/*
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* overlay.hpp
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*
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* Created on: Nov 8, 2017
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* Author: nullifiedcat
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*/
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#pragma once
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#include "fontapi.h"
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#include "textureapi.h"
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#include <X11/Xlib.h>
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#include <X11/XKBlib.h>
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typedef void(*xoverlay_callback_keypress)(unsigned int keycode, int action);
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typedef void(*xoverlay_callback_click)(unsigned int buttoncode, int action);
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typedef void(*xoverlay_callback_scroll)(int value);
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typedef void(*xoverlay_callback_mousemove)(int dx, int dy, int x, int y);
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struct xoverlay_library
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{
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xoverlay_callback_keypress cb_keypress;
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xoverlay_callback_click cb_click;
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xoverlay_callback_scroll cb_scroll;
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xoverlay_callback_mousemove cb_mousemove;
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Display *display;
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Window window;
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Colormap colormap;
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GC gc;
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XGCValues gcvalues;
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XFontStruct font;
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int screen;
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int width;
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int height;
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struct
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{
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int x;
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int y;
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} mouse;
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char init;
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char drawing;
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char mapped;
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};
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extern struct xoverlay_library xoverlay_library;
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typedef struct xoverlay_vec4_t
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{
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union
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{
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float data[4];
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struct
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{
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float r;
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float g;
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float b;
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float a;
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};
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struct
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{
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float x;
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float y;
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float z;
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float w;
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};
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};
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} xoverlay_vec4_t, xoverlay_rgba_t;
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void xoverlay_preinit();
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int xoverlay_init();
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void xoverlay_destroy();
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void xoverlay_install_keyboard_callback(xoverlay_callback_keypress callback);
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void xoverlay_install_click_callback(xoverlay_callback_click callback);
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void xoverlay_install_scroll_callback(xoverlay_callback_scroll callback);
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void xoverlay_install_mouse_callback(xoverlay_callback_mousemove callback);
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void
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xoverlay_show();
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void
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xoverlay_hide();
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xoverlay_rgba_t
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xoverlay_rgba(int r, int g, int b, int a);
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void
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xoverlay_draw_line(float x, float y, float dx, float dy, xoverlay_rgba_t color, float thickness);
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void
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xoverlay_draw_rect(float x, float y, float w, float h, xoverlay_rgba_t color);
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void
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xoverlay_draw_rect_outline(float x, float y, float w, float h, xoverlay_rgba_t color, float thickness);
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void
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xoverlay_draw_rect_textured(float x, float y, float w, float h, xoverlay_rgba_t color, xoverlay_texture_handle_t texture, float tx, float ty, float tw, float th);
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void
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xoverlay_draw_string(float x, float y, const char *string, xoverlay_font_handle_t font, xoverlay_vec4_t color, float *out_x, float *out_y);
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void
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xoverlay_draw_string_with_outline(float x, float y, const char *string, xoverlay_font_handle_t font, xoverlay_vec4_t color, xoverlay_vec4_t outline_color, float outline_width, int adjust_outline_alpha, float *out_x, float *out_y);
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void
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xoverlay_draw_circle(float x, float y, float radius, xoverlay_rgba_t color, float thickness, int steps);
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void
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xoverlay_get_string_size(const char *string, xoverlay_font_handle_t font, float *out_x, float *out_y);
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void
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xoverlay_poll_events();
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void
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xoverlay_draw_begin();
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void
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xoverlay_draw_end();
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