home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The Best of Select: Games 5
/
cd.iso
/
wingames
/
chess
/
board.c
< prev
next >
Wrap
Text File
|
1990-09-01
|
6KB
|
245 lines
/*
C source for GNU CHESS
Revision: 1990-09-30
Modified by Daryl Baker for use in MS WINDOWS environment
Based on Ideas and code segments of Charles Petzold from artices in
MicroSoft Systems Journal.
This file is part of CHESS.
CHESS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY. No author or distributor accepts responsibility to anyone for
the consequences of using it or for whether it serves any particular
purpose or works at all, unless he says so in writing. Refer to the CHESS
General Public License for full details.
Everyone is granted permission to copy, modify and redistribute CHESS, but
only under the conditions described in the CHESS General Public License.
A copy of this license is supposed to have been given to you along with
CHESS so you can know your rights and responsibilities. It should be in a
file named COPYING. Among other things, the copyright notice and this
notice must be preserved on all copies.
*/
#define NOATOM
#define NOCLIPBOARD
#define NOCREATESTRUCT
#define NOSOUND
#define NOWH
#define NOWINOFFSETS
#define NOCOMM
#define NOKANJI
#include <windows.h>
#include <stdio.h>
#include "defs.h"
/* All units defined in pixels */
#define BRD_HORZFRONT 48
#define BRD_HORZBACK 32
#define BRD_VERT 32
#define BRD_EDGE 8
#define BRD_HORZMARGIN 32
#define BRD_BACKMARGIN 5
#define BRD_FRONTMARGIN 5
static void DrawOneSquare ( HDC hDC, short x, short y);
static int HilitSq;
void QueryBoardSize ( POINT *pptl )
{
pptl->x = 2*BRD_HORZMARGIN + 8*BRD_HORZFRONT;
pptl->y = BRD_BACKMARGIN + 8*BRD_VERT + 2*BRD_FRONTMARGIN + 2*BRD_EDGE;
}
void QuerySqSize ( POINT *pptl ) {
pptl->x = BRD_HORZFRONT;
pptl->y = BRD_VERT;
}
void QuerySqOrigin ( short x, short y, POINT *pptl)
{
pptl->x = BRD_HORZMARGIN + y * (BRD_HORZFRONT-BRD_HORZBACK)/2 +
x * (y*BRD_HORZBACK + (8-y)*BRD_HORZFRONT)/8;
pptl->y = (BRD_BACKMARGIN+8*BRD_VERT+BRD_FRONTMARGIN) - y*BRD_VERT;
}
void QuerySqCoords ( short x, short y, POINT aptl[] )
{
QuerySqOrigin ( x, y, aptl+0);
QuerySqOrigin ( x+1,y, aptl+1);
QuerySqOrigin ( x+1,y+1,aptl+2);
QuerySqOrigin ( x, y+1,aptl+3);
}
static void DrawOneSquare ( HDC hDC, short x, short y)
{
POINT aptl[4];
QuerySqCoords ( x,y, aptl);
Polygon( hDC, aptl, 4);
}
/*
Draw the board. Pass the routine the upper left connor and the
colors to draw the squares.
*/
void Draw_Board ( HDC hDC, int reverse,
DWORD DarkColor, DWORD LightColor )
{
int x, y, OldPolyMode;
HBRUSH hOldBrush, hBrush_lt, hBrush_dk;
HPEN hOldPen;
POINT aptl[4];
hBrush_lt = CreateSolidBrush ( LightColor );
hBrush_dk = CreateSolidBrush ( DarkColor );
hOldBrush = SelectObject ( hDC, hBrush_lt);
hOldPen = SelectObject ( hDC, GetStockObject (BLACK_PEN) );
OldPolyMode = SetPolyFillMode ( hDC, WINDING );
for (y=0; y<8; y++) {
for (x=0; x<8; x++) {
if ( reverse == 0 ) {
SelectObject ( hDC, ((x+y)&1) ? hBrush_lt : hBrush_dk);
DrawOneSquare (hDC, x, y);
} else {
SelectObject ( hDC, (((7-x)+(7-y))&1) ? hBrush_lt : hBrush_dk);
DrawOneSquare (hDC, 7-x, 7-y);
}
}
}
/* Now draw the bottom edge of the board */
for (x=0; x<8; x++) {
QuerySqCoords ( x,0, aptl);
aptl[2].x = aptl[1].x;
aptl[2].y = aptl[1].y + BRD_EDGE;
aptl[3].x = aptl[0].x;
aptl[3].y = aptl[0].y + BRD_EDGE;
SelectObject ( hDC, (x&1) ? hBrush_lt : hBrush_dk);
Polygon ( hDC, aptl, 4 );
}
SetPolyFillMode (hDC, OldPolyMode);
SelectObject (hDC, hOldPen);
SelectObject (hDC, hOldBrush);
DeleteObject ( hBrush_lt);
DeleteObject ( hBrush_dk);
}
void DrawCoords ( HDC hDC, int reverse, DWORD clrBackGround, DWORD clrText)
{
HFONT hFont, hOldFont;
int i, OldBkMode;
DWORD OldBkColor, OldTextColor;
short xchar, ychar;
POINT pt;
TEXTMETRIC tm;
hFont = CreateFont ( 13, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, FIXED_PITCH | FF_SWISS, "Helv" );
hOldFont = SelectObject ( hDC, hFont);
OldBkColor = SetBkColor ( hDC, clrBackGround);
OldBkMode = SetBkMode ( hDC, TRANSPARENT);
OldTextColor = SetTextColor (hDC, clrText);
GetTextMetrics ( hDC, &tm);
xchar = tm.tmMaxCharWidth;
ychar = tm.tmHeight;
for ( i=0; i<8; i++) {
QuerySqOrigin (0, i, &pt );
TextOut (hDC, pt.x-xchar, pt.y-BRD_VERT/2-ychar/2,
(reverse ? "87654321"+i : "12345678"+i) ,1);
QuerySqOrigin (i,0, &pt );
TextOut (hDC, pt.x+BRD_HORZFRONT/2-xchar/2, pt.y+BRD_EDGE,
(reverse ? "hgfedcba"+i : "abcdefgh"+i), 1);
}
SelectObject (hDC, hOldFont);
DeleteObject ( hFont);
SetBkColor ( hDC, OldBkColor);
SetBkMode ( hDC, OldBkMode);
SetTextColor (hDC, OldTextColor);
}
void DrawWindowBackGround ( HDC hDC, HWND hWnd, DWORD bkcolor)
{
RECT rect;
HBRUSH hBrush, hOldBrush;
hBrush = CreateSolidBrush ( bkcolor);
hOldBrush = SelectObject ( hDC, hBrush);
GetClientRect ( hWnd, &rect);
FillRect ( hDC, &rect, hBrush);
SelectObject ( hDC, hOldBrush);
DeleteObject ( hBrush);
}
void HiliteSquare ( HWND hWnd, int Square )
{
HDC hDC;
int x,y;
POINT aptl[4];
HRGN hRgn;
y = Square / 8;
x = Square % 8;
QuerySqCoords ( x,y, aptl+0);
hRgn = CreatePolygonRgn( aptl, 4, WINDING);
hDC = GetDC ( hWnd);
InvertRgn ( hDC, hRgn );
ReleaseDC ( hWnd, hDC );
DeleteObject ( hRgn);
HilitSq = Square;
}
void UnHiliteSquare ( HWND hWnd, int Square )
{
HDC hDC;
int x,y;
POINT aptl[4];
HRGN hRgn;
if ( HilitSq == -1 ) return;
y = Square / 8;
x = Square % 8;
QuerySqCoords ( x,y, aptl+0);
hRgn = CreatePolygonRgn( aptl, 4, WINDING);
hDC = GetDC ( hWnd);
InvertRgn ( hDC, hRgn );
ReleaseDC ( hWnd, hDC );
DeleteObject ( hRgn);
HilitSq = -1;
}