| 208,6 → 208,22 |
|---|
| |
| } |
| |
| void grx_clear(DWORD color) |
| { |
| if (!grx_info || grx_info->var.bits_per_pixel != 16) return; |
| |
| DWORD addr; |
| WORD dx, y; |
| |
| addr = (DWORD)(grx_info->screen_base); |
| dx = grx_info->var.xres * 2; |
| |
| for (y = 0; y < grx_info->var.yres; y++) { |
| memsetw((LIN_ADDR)addr, color, dx); |
| addr += dx; |
| } |
| } |
| |
| void grx_rect(WORD x1, WORD y1, WORD x2, WORD y2, DWORD color) |
| { |
| WORD bpr; |
| 264,6 → 280,8 |
|---|
| int xerr=0, yerr=0, deltax, deltay; |
| int incx, incy; |
| |
| if (!grx_info || grx_info->var.bits_per_pixel != 16) return; |
| |
| bpr = grx_info->var.xres * 2; |
| addr = (DWORD)(grx_info->screen_base); |
| deltax = x2 - x1; /* compute both distances */ |
| 330,6 → 348,9 |
|---|
| |
| static void circlepixels(WORD x, WORD y, WORD sx, WORD sy, DWORD c) |
| { |
| |
| if (!grx_info || grx_info->var.bits_per_pixel != 16) return; |
| |
| grx_plot(sx + x, sy + y, c); |
| grx_plot(sx - x, sy + y, c); |
| grx_plot(sx + x, sy - y, c); |
| 369,6 → 390,9 |
|---|
| |
| static __inline__ void discpixels(WORD x, WORD y, WORD sx, WORD sy, DWORD c) |
| { |
| |
| if (!grx_info || grx_info->var.bits_per_pixel != 16) return; |
| |
| grx_line(sx + x, sy + y, sx + x, sy - y, c); |
| grx_line(sx - x, sy + y, sx - x, sy - y, c); |
| grx_line(sx + y, sy + x, sx + y, sy - x , c); |