1 files changed, 91 insertions, 0 deletions
diff --git a/libgui/inc/gfx.h b/libgui/inc/gfx.h
new file mode 100644
index 0000000..342fe84
--- /dev/null
+++ b/libgui/inc/gfx.h
@@ -0,0 +1,91 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+// Some GFX functions
+
+#ifndef GFX_H
+#define GFX_H
+
+#include <def.h>
+#include <gui.h>
+#include <sys.h>
+#include <vesa.h>
+
+#define GET_ALPHA(color) ((color >> 24) & 0x000000FF)
+#define GET_RED(color) ((color >> 16) & 0x000000FF)
+#define GET_GREEN(color) ((color >> 8) & 0x000000FF)
+#define GET_BLUE(color) ((color >> 0) & 0X000000FF)
+
+#define COLOR_BLACK 0xff0f0f0f
+#define COLOR_RED 0xfff07f7f
+#define COLOR_GREEN 0xff7ff088
+#define COLOR_YELLOW 0xffeef07f
+#define COLOR_BLUE 0xff7facf0
+#define COLOR_MAGENTA 0xffd67ff0
+#define COLOR_CYAN 0xff7fe7f0
+#define COLOR_WHITE 0xffe9e9e9
+#define COLOR_BRIGHT_BLACK 0xff928374
+#define COLOR_BRIGHT_RED 0xffed9a9a
+#define COLOR_BRIGHT_GREEN 0xff9ef0a5
+#define COLOR_BRIGHT_YELLOW 0xffe7e897
+#define COLOR_BRIGHT_BLUE 0xff98b9eb
+#define COLOR_BRIGHT_MAGENTA 0xffd196e3
+#define COLOR_BRIGHT_CYAN 0xff94dae0
+#define COLOR_BRIGHT_WHITE 0xffe3e3e3
+#define COLOR_FG COLOR_WHITE
+#define COLOR_BG COLOR_BLACK
+
+#define WF_DEFAULT (0 << 0)
+#define WF_NO_FOCUS (1 << 0)
+#define WF_NO_DRAG (1 << 1)
+#define WF_NO_RESIZE (1 << 2)
+
+enum message_type { WM_NEW_CONTEXT = EVENT_MAX + 1, WM_REDRAW, WM_KEYBOARD };
+
+// Generalized font struct
+struct font {
+	char *chars;
+	int height;
+	int width;
+	int char_size;
+};
+
+struct context {
+	u32 pid;
+	int x;
+	int y;
+	u32 width;
+	u32 height;
+	u8 *fb;
+	u32 bpp;
+	u32 pitch;
+	int flags;
+};
+
+struct msg_keyboard {
+	char ch;
+	int press;
+	int scancode;
+};
+
+void gfx_write_char(struct context *ctx, int x, int y, u32 c, char ch);
+void gfx_write(struct context *ctx, int x, int y, u32 c, char *text);
+void gfx_load_image(struct context *ctx, char *path, int x, int y);
+void gfx_load_wallpaper(struct context *ctx, char *path);
+void gfx_copy(struct context *dest, struct context *src, int x, int y, u32 width, u32 height);
+void gfx_ctx_on_ctx(struct context *dest, struct context *src, int x, int y);
+void gfx_draw_rectangle(struct context *ctx, int x1, int y1, int x2, int y2, u32 c);
+void gfx_fill(struct context *ctx, u32 c);
+void gfx_border(struct context *ctx, u32 c, u32 width);
+void gfx_init(char *font_path);
+
+int gfx_font_height();
+int gfx_font_width();
+
+/**
+ * Wrappers
+ */
+
+#define gfx_new_ctx(ctx)                                                                           \
+	(msg_send(2, WM_NEW_CONTEXT, (ctx)), (struct context *)msg_receive_loop()->data)
+#define gfx_redraw() (msg_send(2, WM_REDRAW, NULL)) // TODO: Partial redraw (optimization)
+
+#endif