static void draw_special(void)
{
int xpos = MSCURSOR->xcord;
int ypos = MSCURSOR->ycord;
int check = MOUINFO->docheck;
GrContext csave;
MOUINFO->docheck = FALSE;
GrSaveContext(&csave);
GrSetContext(SCRN);
switch (CURSORMODE) {
case GR_M_CUR_RUBBER:
GrBox(xpos, ypos, MOUINFO->x1, MOUINFO->y1, MOUINFO->curscolor);
break;
case GR_M_CUR_LINE:
GrLine(xpos, ypos, MOUINFO->x1, MOUINFO->y1, MOUINFO->curscolor);
break;
case GR_M_CUR_BOX:
GrBox((xpos+MOUINFO->x1), (ypos+MOUINFO->y1),
(xpos+MOUINFO->x2), (ypos+MOUINFO->y2), MOUINFO->curscolor);
break;
}
GrSetContext(&csave);
MOUINFO->docheck = check;
}
static void TestFunc(void)
{
int x = GrSizeX();
int y = GrSizeY();
int ww = (x / 2) - 10;
int wh = (y / 2) - 10;
GrColor c;
GrContext *w1 = GrCreateSubContext(5, 5, ww+4, wh+4, NULL, NULL);
GrContext *w2 = GrCreateSubContext(15+ww, 5, ww+ww+14, wh+4, NULL, NULL);
GrContext *w3 = GrCreateSubContext(5, 15+wh, ww+4, wh+wh+14, NULL, NULL);
GrContext *w4 = GrCreateSubContext(15+ww, 15+wh, ww+ww+14, wh+wh+14, NULL, NULL);
GrSetContext(w1);
c = GrAllocColor(200, 100, 100);
drawing(0, 0, ww, wh, c, GrBlack());
GrBox(0, 0, ww-1, wh-1, c);
GrSetContext(w2);
c = GrAllocColor(100, 200, 200);
drawing(0, 0, ww, wh, c, GrBlack());
GrBox(0, 0, ww-1, wh-1, c);
GrSetContext(w3);
c = GrAllocColor(200, 200, 0);
drawing(0, 0, ww, wh, c, GrBlack());
GrBox(0, 0,ww-1, wh-1, c);
GrSetContext(w4);
c = GrAllocColor(0, 100, 200);
drawing(0, 0, ww, wh, c, GrBlack());
GrBox(0, 0, ww-1, wh-1, c);
GrSetContext(NULL);
}
int main(void)
{
GrContext *grc;
int wide, high, maxval;
char s[81];
GrEvent ev;
/*GrSetMode( GR_default_graphics ); */
GrSetMode(GR_width_height_color_graphics, 640, 480, 32768);
GrEventInit();
GrMouseDisplayCursor();
GrQueryPnm(FIMAGEPPM, &wide, &high, &maxval);
sprintf(s, "%s %d x %d pixels", FIMAGEPPM, wide, high);
GrTextXY(10, 20, s, GrBlack(), GrWhite());
GrBox(10, 40, 10+wide+1, 40+high+1, GrWhite());
grc = GrCreateSubContext(11, 41, 11+wide-1, 41+high-1, NULL, NULL);
GrLoadContextFromPnm(grc, FIMAGEPPM);
GrSaveContextToPgm(grc, FIMAGEPGM, "TestPnm");
GrDestroyContext(grc);
GrTextXY(10, 50+high, "Press RETURN to continue", GrBlack(), GrWhite());
GrEventWaitKeyOrClick(&ev);
GrClearScreen(GrBlack());
GrQueryPnm(FIMAGEPGM, &wide, &high, &maxval);
sprintf(s, "%s %d x %d pixels", FIMAGEPGM, wide, high);
GrTextXY(10, 20, s, GrBlack(), GrWhite());
GrBox(10, 40, 10+wide+1, 40+high+1, GrWhite());
grc = GrCreateSubContext(11, 41, 11+wide-1, 41+high-1, NULL, NULL);
GrLoadContextFromPnm(grc,FIMAGEPGM);
GrDestroyContext(grc);
GrTextXY(10, 50+high, "Press RETURN to continue", GrBlack(), GrWhite());
GrEventWaitKeyOrClick(&ev);
GrClearScreen(GrBlack());
GrQueryPnm(FIMAGEPBM, &wide, &high, &maxval);
sprintf(s, "%s %d x %d pixels", FIMAGEPBM, wide, high);
GrTextXY(10, 20, s, GrBlack(), GrWhite());
GrBox(10, 40, 10+wide+1, 40+high+1, GrWhite());
grc = GrCreateSubContext(11, 41, 11+wide-1, 41+high-1, NULL, NULL);
GrLoadContextFromPnm(grc,FIMAGEPBM);
GrSaveContextToPbm(grc, FIMAGEPBM2, "TestPnm");
GrDestroyContext(grc);
GrTextXY(10, 50+high, "Press RETURN to continue", GrBlack(), GrWhite());
GrEventWaitKeyOrClick(&ev);
GrClearScreen(GrBlack());
GrQueryPnm(FIMAGEPPM, &wide, &high, &maxval);
GrBox(10, 40, 10+wide+1, 40+high+1, GrWhite());
grc = GrCreateSubContext(11, 41, 11+wide-1, 41+high-1, NULL, NULL);
GrLoadContextFromPnm(grc,FIMAGEPPM);
GrDestroyContext(grc);
GrQueryPnm(FIMAGEPGM, &wide, &high, &maxval);
GrBox(110, 140, 110+wide+1, 140+high+1, GrWhite());
grc = GrCreateSubContext(111, 141, 111+wide-1, 141+high-1, NULL, NULL);
GrLoadContextFromPnm(grc, FIMAGEPGM);
GrDestroyContext(grc);
GrQueryPnm(FIMAGEPBM, &wide, &high, &maxval);
GrBox(210, 240, 210+wide+1, 240+high+1, GrWhite());
grc = GrCreateSubContext(211, 241, 211+wide-1, 241+high-1, NULL, NULL);
GrLoadContextFromPnm(grc,FIMAGEPBM2);
GrDestroyContext(grc);
GrTextXY(10, 20, "Press RETURN to save screen", GrBlack(), GrWhite());
GrEventWaitKeyOrClick(&ev);
GrSaveContextToPpm(NULL, FSCREEN, "TestPnm");
GrClearScreen(GrWhite());
GrTextXY(10, 20, "Press RETURN to reload screen", GrWhite(), GrBlack());
GrEventWaitKeyOrClick(&ev);
GrLoadContextFromPnm(NULL, FSCREEN);
GrTextXY(10, 20, "Press RETURN to end ", GrBlack(), GrWhite());
GrEventWaitKeyOrClick(&ev);
GrEventUnInit();
GrSetMode(GR_default_text);
return 0;
}
/* Draw a (not-filled) box with color c. */
void ws_drawbox(int x1, int y1, int xsize, int ysize, int c, int xor) {
GrBox( x1, y1, x1 + xsize - 1, y1 + ysize - 1, c | (xor ? GrXOR : 0) );
}
