static void clearpixel(ui::Graphics* g, const gfx::Point& pt, gfx::Color color)
{
if (saved_pixel_n < MAX_SAVED) {
if (clipping_region.contains(pt))
g->putPixel(saved_pixel[saved_pixel_n++], pt.x, pt.y);
else if (!old_clipping_region.isEmpty() &&
old_clipping_region.contains(pt))
saved_pixel_n++;
}
}
static void drawpixel(ui::Graphics* graphics, const gfx::Point& pt, gfx::Color color)
{
if (saved_pixel_n < MAX_SAVED && clipping_region.contains(pt)) {
if (cursor_negative) {
int c = saved_pixel[saved_pixel_n++];
int r = gfx::getr(c);
int g = gfx::getg(c);
int b = gfx::getb(c);
graphics->putPixel(color_utils::blackandwhite_neg(gfx::rgba(r, g, b)), pt.x, pt.y);
}
else {
graphics->putPixel(color, pt.x, pt.y);
}
}
}
static void savepixel(ui::Graphics* g, const gfx::Point& pt, gfx::Color color)
{
if (saved_pixel_n < MAX_SAVED && clipping_region.contains(pt))
saved_pixel[saved_pixel_n++] = g->getPixel(pt.x, pt.y);
}