/*
* Draw the border of a window if there is one.
* Note: To allow the border to be drawn with the correct clipping,
* we temporarily grow the size of the window to include the border.
*/
void GsDrawBorder(GR_WINDOW *wp)
{
GR_COORD lminx; /* left edge minimum x */
GR_COORD rminx; /* right edge minimum x */
GR_COORD tminy; /* top edge minimum y */
GR_COORD bminy; /* bottom edge minimum y */
GR_COORD topy; /* top y value of window */
GR_COORD boty; /* bottom y value of window */
GR_SIZE width; /* original width of window */
GR_SIZE height; /* original height of window */
GR_SIZE bs; /* border size */
bs = wp->bordersize;
if (bs <= 0)
return;
width = wp->width;
height = wp->height;
lminx = wp->x - bs;
rminx = wp->x + width;
tminy = wp->y - bs;
bminy = wp->y + height;
topy = wp->y;
boty = bminy - 1;
wp->x -= bs;
wp->y -= bs;
wp->width += (bs * 2);
wp->height += (bs * 2);
wp->bordersize = 0;
clipwp = NULL;
GsSetClipWindow(wp, NULL, 0);
curgcp = NULL;
GdSetMode(GR_MODE_COPY);
GdSetForeground(GdFindColor(wp->bordercolor));
if (bs == 1) {
GdLine(wp->psd, lminx, tminy, rminx, tminy, TRUE);
GdLine(wp->psd, lminx, bminy, rminx, bminy, TRUE);
GdLine(wp->psd, lminx, topy, lminx, boty, TRUE);
GdLine(wp->psd, rminx, topy, rminx, boty, TRUE);
} else {
GdFillRect(wp->psd, lminx, tminy, width + bs * 2, bs);
GdFillRect(wp->psd, lminx, bminy, width + bs * 2, bs);
GdFillRect(wp->psd, lminx, topy, bs, height);
GdFillRect(wp->psd, rminx, topy, bs, height);
}
/*
* Restore the true window size.
* Forget the currently clipped window since we messed it up.
*/
wp->x += bs;
wp->y += bs;
wp->width -= (bs * 2);
wp->height -= (bs * 2);
wp->bordersize = bs;
clipwp = NULL;
}
BOOL WINAPI
LineTo(HDC hdc, int x, int y)
{
HWND hwnd;
POINT beg, end;
hwnd = MwPrepareDC(hdc);
if(!hwnd)
return FALSE;
beg.x = hdc->pt.x;
beg.y = hdc->pt.y;
end.x = x;
end.y = y;
if(MwIsClientDC(hdc)) {
ClientToScreen(hwnd, &beg);
ClientToScreen(hwnd, &end);
}
/* draw line in current pen color*/
if(hdc->pen->style != PS_NULL) {
GdSetForegroundColor(hdc->psd, hdc->pen->color);
/* don't draw last point*/
GdLine(hdc->psd, beg.x, beg.y, end.x, end.y, FALSE);
}
hdc->pt.x = x;
hdc->pt.y = y;
return TRUE;
}
/* draw line segments by connecting passed points*/
BOOL WINAPI
Polyline(HDC hdc, CONST POINT *lppt, int cPoints)
{
HWND hwnd;
POINT beg, end;
if(cPoints <= 1)
return FALSE;
hwnd = MwPrepareDC(hdc);
if(!hwnd)
return FALSE;
if(hdc->pen->style == PS_NULL)
return TRUE;
/* draw line in current pen color*/
GdSetForegroundColor(hdc->psd, hdc->pen->color);
beg = *lppt++;
if(MwIsClientDC(hdc))
ClientToScreen(hwnd, &beg);
while(--cPoints > 0) {
end = *lppt++;
if(MwIsClientDC(hdc))
ClientToScreen(hwnd, &end);
/* don't draw last point*/
GdLine(hdc->psd, beg.x, beg.y, end.x, end.y, FALSE);
beg = end;
}
return TRUE;
}
/**
* Draw a polygon in the foreground color, applying clipping if necessary.
* The polygon is only closed if the first point is repeated at the end.
* Some care is taken to plot the endpoints correctly if the current
* drawing mode is XOR. However, internal crossings are not handled
* correctly.
*
* @param psd Drawing surface.
* @param count Number of points in polygon.
* @param points The array of points.
*/
void
GdPoly(PSD psd, int count, MWPOINT *points)
{
MWCOORD firstx;
MWCOORD firsty;
MWBOOL didline;
if (count < 2)
return;
firstx = points->x;
firsty = points->y;
didline = FALSE;
while (count-- > 1) {
if (didline && (gr_mode == MWMODE_XOR))
drawpoint(psd, points->x, points->y);
/* note: change to drawline*/
GdLine(psd, points[0].x, points[0].y, points[1].x, points[1].y, TRUE);
points++;
didline = TRUE;
}
if (gr_mode == MWMODE_XOR) {
points--;
if (points->x == firstx && points->y == firsty)
drawpoint(psd, points->x, points->y);
}
GdFixCursor(psd);
}
int test_engine()
{
MWCOORD x1,x2,y1,y2;
unsigned long mask=0;
int count=0;
int y;
psd = GdOpenScreen();
if(psd==NULL) {
syscall_puts("GdOpenScreen error\n");
return 0;
}
GdSetForegroundPixelVal(psd, 7);
GdSetBackgroundPixelVal(psd, 0);
GdSetDash(&mask, &count);
x1=100; x2=540; y1=100; y2= 380;
GdLine(psd, x1, y1, x2, y1, 0);
GdLine(psd, x2, y1, x2, y2, 0);
GdLine(psd, x1, y2, x2, y2, 0);
GdLine(psd, x1, y1, x1, y2, 0);
for(y=0;y<8;y++) {
GdSetForegroundPixelVal(psd, y);
GdLine(psd, x1, y1+y, x2, y1+y, 0);
}
GdSetForegroundPixelVal(psd, 7);
GdLine(psd, x1, y1, x2, y2, 0);
syscall_wait(1000);
GdCloseScreen(psd);
return 0;
}
