77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/***********************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Jacob Navia, after Xavier Leroy */
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/* */
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/* Copyright 2001 Institut National de Recherche en Informatique et */
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/* en Automatique. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License, with */
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/* the special exception on linking described in file ../../LICENSE. */
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/* */
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/***********************************************************************/
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#include <stdio.h>
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#include <windows.h>
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#include <windowsx.h>
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struct canvas {
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int w, h; /* Dimensions of the drawable */
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HWND win; /* The drawable itself */
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HDC gc; /* The associated graphics context */
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};
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extern HWND grdisplay; /* The display connection */
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extern COLORREF grbackground;
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extern BOOL grdisplay_mode; /* Display-mode flag */
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extern BOOL grremember_mode; /* Remember-mode flag */
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extern int grx, gry; /* Coordinates of the current point */
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extern int grcolor; /* Current *CAML* drawing color (can be -1) */
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extern HFONT * grfont; /* Current font */
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extern BOOL direct_rgb;
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extern int byte_order;
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extern int bitmap_unit;
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extern int bits_per_pixel;
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#define Wcvt(y) (grwindow.height - 1 - (y))
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#define Bcvt(y) (grwindow.height - 1 - (y))
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#define WtoB(y) ((y) + WindowRect.bottom - grwindow.h)
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#define DEFAULT_SCREEN_WIDTH 1024
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#define DEFAULT_SCREEN_HEIGHT 768
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#define BORDER_WIDTH 2
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#define WINDOW_NAME "OCaml graphics"
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#define ICON_NAME "OCaml graphics"
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#define SIZE_QUEUE 256
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void gr_fail(char *fmt, char *arg);
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void gr_check_open(void);
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CAMLprim value caml_gr_set_color(value vcolor);
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// Windows specific definitions
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extern RECT WindowRect;
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extern int grCurrentColor;
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typedef struct tagWindow {
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HDC gc;
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HDC gcBitmap;
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HWND hwnd;
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HBRUSH CurrentBrush;
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HPEN CurrentPen;
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DWORD CurrentColor;
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int width;
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int height;
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int grx;
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int gry;
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HBITMAP hBitmap;
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HFONT CurrentFont;
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int CurrentFontSize;
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HDC tempDC; // For image operations;
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} GR_WINDOW;
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extern GR_WINDOW grwindow;
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HFONT CreationFont(char *name);
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extern void caml_gr_init_event_queue(void);
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extern void caml_gr_handle_event(UINT msg, WPARAM wParam, LPARAM lParam);
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