109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/***********************************************************************/
|
|
/* */
|
|
/* Objective Caml */
|
|
/* */
|
|
/* Jacob Navia, after Xavier Leroy */
|
|
/* */
|
|
/* Copyright 2001 Institut National de Recherche en Informatique et */
|
|
/* en Automatique. All rights reserved. This file is distributed */
|
|
/* under the terms of the GNU Library General Public License, with */
|
|
/* the special exception on linking described in file ../../LICENSE. */
|
|
/* */
|
|
/***********************************************************************/
|
|
|
|
/* $Id$ */
|
|
|
|
#include <stdio.h>
|
|
#include <windows.h>
|
|
|
|
struct canvas {
|
|
int w, h; /* Dimensions of the drawable */
|
|
HWND win; /* The drawable itself */
|
|
HDC gc; /* The associated graphics context */
|
|
};
|
|
|
|
extern HWND grdisplay; /* The display connection */
|
|
//extern int grscreen; /* The screen number */
|
|
//extern Colormap grcolormap; /* The color map */
|
|
//extern struct canvas grwindow; /* The graphics window */
|
|
//extern struct canvas grbstore; /* The pixmap used for backing store */
|
|
//extern int grwhite, grblack; /* Black and white pixels for X */
|
|
//extern int grbackground; /* Background color for X
|
|
// (used for CAML color -1) */
|
|
extern COLORREF grbackground;
|
|
extern BOOL grdisplay_mode; /* Display-mode flag */
|
|
extern BOOL grremember_mode; /* Remember-mode flag */
|
|
extern int grx, gry; /* Coordinates of the current point */
|
|
extern int grcolor; /* Current *CAML* drawing color (can be -1) */
|
|
extern HFONT * grfont; /* Current font */
|
|
|
|
extern BOOL direct_rgb;
|
|
extern int byte_order;
|
|
extern int bitmap_unit;
|
|
extern int bits_per_pixel;
|
|
|
|
#define Wcvt(y) (grwindow.height - 1 - (y))
|
|
#define Bcvt(y) (grwindow.height - 1 - (y))
|
|
#define WtoB(y) ((y) + WindowRect.bottom - grwindow.h)
|
|
//#define BtoW(y) ((y) + WindowRect.bottom - grbstore.h)
|
|
|
|
#define DEFAULT_SCREEN_WIDTH 1024
|
|
#define DEFAULT_SCREEN_HEIGHT 768
|
|
#define BORDER_WIDTH 2
|
|
#define WINDOW_NAME "Caml graphics"
|
|
#define ICON_NAME "Caml graphics"
|
|
#define DEFAULT_EVENT_MASK \
|
|
(ExposureMask | KeyPressMask | StructureNotifyMask)
|
|
#define DEFAULT_FONT "fixed"
|
|
#define SIZE_QUEUE 256
|
|
|
|
/* To handle events asynchronously */
|
|
#ifdef HAS_ASYNC_IO
|
|
#define USE_ASYNC_IO
|
|
#define EVENT_SIGNAL SIGIO
|
|
#else
|
|
#ifdef HAS_SETITIMER
|
|
#define USE_INTERVAL_TIMER
|
|
#define EVENT_SIGNAL SIGALRM
|
|
#else
|
|
#define USE_ALARM
|
|
#define EVENT_SIGNAL SIGALRM
|
|
#endif
|
|
#endif
|
|
|
|
void gr_fail(char *fmt, char *arg);
|
|
void gr_check_open(void);
|
|
unsigned long gr_pixel_rgb(int rgb);
|
|
int gr_rgb_pixel(long unsigned int pixel);
|
|
void gr_enqueue_char(unsigned char c);
|
|
void gr_init_color_cache(void);
|
|
|
|
// Windows specific definitions
|
|
extern RECT WindowRect;
|
|
extern int grCurrentColor;
|
|
|
|
typedef struct tagWindow {
|
|
HDC gc;
|
|
HDC gcBitmap;
|
|
HWND hwnd;
|
|
HBRUSH CurrentBrush;
|
|
HPEN CurrentPen;
|
|
DWORD CurrentColor;
|
|
int width;
|
|
int height;
|
|
int grx;
|
|
int gry;
|
|
HBITMAP hBitmap;
|
|
HFONT CurrentFont;
|
|
int CurrentFontSize;
|
|
HDC tempDC; // For image operations;
|
|
} GR_WINDOW;
|
|
|
|
extern GR_WINDOW grwindow;
|
|
HFONT CreationFont(char *name);
|
|
extern int MouseLbuttonDown,MouseMbuttonDown,MouseRbuttonDown;
|
|
extern HANDLE EventHandle;
|
|
extern int InspectMessages;
|
|
extern MSG msg;
|
|
|