limit set cairo

initcairo.h

@@ -0,0 +1,39 @@
+#ifndef INITCAIRO_H
+#define INITCAIRO_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <unistd.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <cairo.h>
+#include <cairo-xlib.h>
+
+typedef struct {
+	Display *display;
+	Window win;
+	Colormap cmap;
+	Atom wm_protocols;
+	Atom wm_delete_window;
+	cairo_surface_t *sfc;
+	cairo_t *ctx;
+	struct timeval start_time;
+	unsigned long frames;
+	double elapsed, frametime;
+	unsigned int width;
+	unsigned int height;
+	cairo_matrix_t matrix;
+	double scalefactor;
+} GraphicsInfo;
+
+int initCairo(int screen, int mask, int width, int height, const char *name, GraphicsInfo *info);
+void destroyCairo(GraphicsInfo *info);
+
+void startTimer(GraphicsInfo *info);
+void waitUpdateTimer(GraphicsInfo *info);
+int checkEvents(GraphicsInfo *info, int (*process)(GraphicsInfo*, XEvent*, void*), void (*draw)(void*), void *data);
+
+#endif