void kinder_bueno_mode(t_bunny_pixelarray *pix)
{
int i;
t_color *pixels;
pixels = pix->pixels;
i = -1;
while (++i < pix->clipable.buffer.height * pix->clipable.buffer.width)
pixels[i].full = ((RGBA_G(pixels[i].argb[3], pixels[i].argb[0],
pixels[i].argb[1], pixels[i].argb[2]) > 127) ?
RGBA_C(255, 255, 255, pixels[i].argb[3]) :
RGBA_C(0, 0, 0, pixels[i].argb[3]));
}
static void sp_ctrlrect_hline(SPCanvasBuf *buf, gint y, gint xs, gint xe, guint32 rgba, guint dashed)
{
if (y >= buf->rect.y0 && y < buf->rect.y1) {
guint const r = RGBA_R(rgba);
guint const g = RGBA_G(rgba);
guint const b = RGBA_B(rgba);
guint const a = RGBA_A(rgba);
gint const x0 = MAX(buf->rect.x0, xs);
gint const x1 = MIN(buf->rect.x1, xe + 1);
guchar *p = buf->buf + (y - buf->rect.y0) * buf->buf_rowstride + (x0 - buf->rect.x0) * 4;
for (gint x = x0; x < x1; x++) {
if (!dashed || ((x / DASH_LENGTH) % 2)) {
p[0] = INK_COMPOSE(r, a, p[0]);
p[1] = INK_COMPOSE(g, a, p[1]);
p[2] = INK_COMPOSE(b, a, p[2]);
}
p += 4;
}
}
}
/** Fills the pixels in [xs, xe)*[ys,ye) clipped to the tile with rgb * a. */
static void sp_ctrlrect_area(SPCanvasBuf *buf, gint xs, gint ys, gint xe, gint ye, guint32 rgba)
{
guint const r = RGBA_R(rgba);
guint const g = RGBA_G(rgba);
guint const b = RGBA_B(rgba);
guint const a = RGBA_A(rgba);
gint const x0 = MAX(buf->rect.x0, xs);
gint const x1 = MIN(buf->rect.x1, xe + 1);
gint const y0 = MAX(buf->rect.y0, ys);
gint const y1 = MIN(buf->rect.y1, ye + 1);
for (gint y = y0; y < y1; y++) {
guchar *p = buf->buf + (y - buf->rect.y0) * buf->buf_rowstride + (x0 - buf->rect.x0) * 4;
for (gint x = x0; x < x1; x++) {
p[0] = INK_COMPOSE(r, a, p[0]);
p[1] = INK_COMPOSE(g, a, p[1]);
p[2] = INK_COMPOSE(b, a, p[2]);
p += 4;
}
}
}
static void sp_ctrlrect_vline(SPCanvasBuf *buf, gint x, gint ys, gint ye, guint32 rgba, guint dashed)
{
if (x >= buf->rect.x0 && x < buf->rect.x1) {
guint const r = RGBA_R(rgba);
guint const g = RGBA_G(rgba);
guint const b = RGBA_B(rgba);
guint const a = RGBA_A(rgba);
gint const y0 = MAX(buf->rect.y0, ys);
gint const y1 = MIN(buf->rect.y1, ye + 1);
guchar *p = buf->buf + (y0 - buf->rect.y0) * buf->buf_rowstride + (x - buf->rect.x0) * 4;
for (gint y = y0; y < y1; y++) {
if (!dashed || ((y / DASH_LENGTH) % 2)) {
p[0] = INK_COMPOSE(r, a, p[0]);
p[1] = INK_COMPOSE(g, a, p[1]);
p[2] = INK_COMPOSE(b, a, p[2]);
}
p += buf->buf_rowstride;
}
}
}
void fox_mod_grey(t_bunny_pixelarray *pix)
{
t_color c;
t_bunny_position pos;
int i;
pos.y = 0;
while (pos.y < pix->clipable.clip_height)
{
pos.x = 0;
while (pos.x < pix->clipable.clip_width)
{
c = fox_getpixel(pix, &pos);
c.argb[0] = RGBA_G(c.argb[2], c.argb[1], c.argb[0], c.argb[3]);
c.full = RGBA_C(c.argb[0], c.argb[0], c.argb[0], c.argb[3]);
i = pos.y * pix->clipable.clip_width + pos.x;
((unsigned int *)pix->pixels)[i] = c.full;
++pos.x;
}
++pos.y;
}
}
