//void set_shadow_dRGB32(int mode, int dr, int dg, int db, bool noclip);
//-------------------------------------------------
// configure_rgb_shadows - configure shadows
// for the RGB tables
//-------------------------------------------------
void configure_rgb_shadows(int mode, float factor)
{
// only applies to RGB direct modes
assert(m_format != bitmap_format.BITMAP_FORMAT_IND16);
// verify the shadow table
assert(mode >= 0 && mode < m_shadow_tables.Length);
shadow_table_data stable = m_shadow_tables[mode];
assert(stable.base_ != null);
// regenerate the table
int ifactor = (int)(factor * 256.0f);
for (int rgb555 = 0; rgb555 < 32768; rgb555++)
{
u8 r = rgb_t.clamp((pal5bit((uint8_t)(rgb555 >> 10)) * ifactor) >> 8);
u8 g = rgb_t.clamp((pal5bit((uint8_t)(rgb555 >> 5)) * ifactor) >> 8);
u8 b = rgb_t.clamp((pal5bit((uint8_t)(rgb555 >> 0)) * ifactor) >> 8);
// store either 16 or 32 bit
rgb_t final = new rgb_t(r, g, b);
if (m_format == bitmap_format.BITMAP_FORMAT_RGB32)
{
stable.base_[rgb555] = final;
}
else
{
stable.base_[rgb555] = final.as_rgb15();
}
}
}
/**
* @fn void palette_t::update_adjusted_color(UINT32 group, UINT32 index)
*
* @brief -------------------------------------------------
* update_adjusted_color - update a color index by group and index pair
* -------------------------------------------------.
*
* @param group The group.
* @param index Zero-based index of the.
*/
void update_adjusted_color(uint32_t group, uint32_t index)
{
// compute the adjusted value
rgb_t adjusted = adjust_palette_entry(m_entry_color[index],
m_group_bright[group] + m_brightness,
m_group_contrast[group] * m_entry_contrast[index] * m_contrast,
m_gamma_map);
// if not different, ignore
uint32_t finalindex = group * m_numcolors + index;
if (m_adjusted_color[finalindex] == adjusted)
{
return;
}
// otherwise, modify the adjusted color array
m_adjusted_color[finalindex] = adjusted;
m_adjusted_rgb15[finalindex] = adjusted.as_rgb15();
// mark dirty in all clients
for (palette_client client = m_client_list; client != null; client = client.next())
{
client.mark_dirty(finalindex);
}
}
