GR_GC_ID setup_multi_rect_region(void)
{
GR_GC_ID gc;
GR_RECT rect;
GR_REGION_ID rg;
gc = GrNewGC();
GrSetGCForeground(gc, GR_COLOR_BLUE);
GrSetGCBackground(gc, GR_COLOR_WHITE);
rg = GrNewRegion();
rect.x = 10;
rect.y = 0;
rect.width = 10;
rect.height = 60;
GrUnionRectWithRegion(rg, &rect);
rect.x = 40;
rect.y = 0;
rect.width = 10;
rect.height = 60;
GrUnionRectWithRegion(rg, &rect);
rect.x = 0;
rect.y = 10;
rect.width = 60;
rect.height = 10;
GrUnionRectWithRegion(rg, &rect);
rect.x = 0;
rect.y = 40;
rect.width = 60;
rect.height = 10;
GrUnionRectWithRegion(rg, &rect);
GrSetGCRegion(gc, rg);
GrSetGCClipOrigin(gc, 105, 15);
return gc;
}
GR_GC_ID setup_bitmap_region(void)
{
GR_GC_ID gc;
GR_REGION_ID rg;
gc = GrNewGC();
GrSetGCForeground(gc, GR_COLOR_FORESTGREEN);
GrSetGCBackground(gc, GR_COLOR_WHITE);
rg = GrNewBitmapRegion(tuxmask_bits, TUXMASK_WIDTH, TUXMASK_HEIGHT);
GrSetGCRegion(gc, rg);
GrSetGCClipOrigin(gc, 100, 80);
return gc;
}
GR_GC_ID setup_simple_poly_region(void)
{
GR_GC_ID gc;
GR_REGION_ID rg;
GR_POINT points[] = { {15, 0}, {45, 0}, {60, 15}, {60, 45}, {45, 60},
{15, 60}, {0, 45}, {0, 15} };
gc = GrNewGC();
GrSetGCForeground(gc, GR_COLOR_PURPLE);
GrSetGCBackground(gc, GR_COLOR_WHITE);
rg = GrNewPolygonRegion(GR_POLY_WINDING, 8, points);
GrSetGCRegion(gc, rg);
GrSetGCClipOrigin(gc, 25, 95);
return gc;
}
GR_GC_ID setup_complex_poly_region(void)
{
GR_GC_ID gc;
GR_REGION_ID rg;
GR_POINT points[] = { {0, 0}, {99, 0}, {99, 99}, {0, 99}, {0, 19},
{79, 19}, {79, 79}, {19, 79}, {19, 39}, {59, 39}, {59, 49},
{29, 49}, {29, 69}, {69, 69}, {69, 29}, {9, 29}, {9, 89},
{89, 89}, {89, 9}, {0, 9} };
gc = GrNewGC();
GrSetGCForeground(gc, GR_COLOR_ORANGE);
GrSetGCBackground(gc, GR_COLOR_WHITE);
rg = GrNewPolygonRegion(GR_POLY_EVENODD, 20, points);
GrSetGCRegion(gc, rg);
GrSetGCClipOrigin(gc, 25, 180);
return gc;
}
static void
GrSetGCClipOriginWrapper(void *r)
{
nxSetGCClipOriginReq *req = r;
GrSetGCClipOrigin(req->gcid, req->xoff, req->yoff);
}
