/*-------------------------------------------------
* render_load_png - load a PNG file into a
* bitmap
* -------------------------------------------------*/
public static bool render_load_png(out bitmap_argb32 bitmap, emu_file file, string dirname, string filename, bool load_as_alpha_to_existing = false)
{
bitmap = new bitmap_argb32();
// deallocate if we're not overlaying alpha
if (!load_as_alpha_to_existing)
{
bitmap.reset();
}
// open the file
string fname;
if (dirname != null)
{
fname = dirname + global_object.PATH_SEPARATOR + filename;
}
else
{
fname = filename;
}
osd_file.error filerr = file.open(fname);
if (filerr != osd_file.error.NONE)
{
return(false);
}
throw new emu_unimplemented();
}
//void render_line_to_quad(const render_bounds *bounds, float width, float length_extension, render_bounds *bounds0, render_bounds *bounds1);
/*-------------------------------------------------
* render_load_jpeg - load a JPG file into a
* bitmap
* -------------------------------------------------*/
public static void render_load_jpeg(out bitmap_argb32 bitmap, emu_file file, string dirname, string filename)
{
bitmap = new bitmap_argb32();
// deallocate previous bitmap
bitmap.reset();
// define file's full name
string fname;
if (dirname == null)
{
fname = filename;
}
else
{
fname = dirname + global_object.PATH_SEPARATOR + filename;
}
if (file.open(fname) != osd_file.error.NONE)
{
return;
}
throw new emu_unimplemented();
}
// updates
//void animate(u16 auto_time);
//void draw(render_container &container, u8 fade);
// private helpers
//-------------------------------------------------
// create_bitmap - create the rendering
// structures for the given player
//-------------------------------------------------
void create_bitmap()
{
rgb_t color = m_player < (int)std.size(crosshair_colors) ? crosshair_colors[m_player] : rgb_t.white();
// if we have a bitmap and texture for this player, kill it
if (m_bitmap == null)
{
m_bitmap = new bitmap_argb32();
m_texture = m_machine.render().texture_alloc(render_texture.hq_scale);
}
else
{
m_bitmap.reset();
}
emu_file crossfile = new emu_file(m_machine.options().crosshair_path(), OPEN_FLAG_READ);
if (!m_name.empty())
{
// look for user specified file
if (!crossfile.open(m_name + ".png"))
{
render_load_png(out m_bitmap, crossfile.core_file_get());
crossfile.close();
}
}
else
{
// look for default cross?.png in crsshair/game dir
string filename = util.string_format("cross{0}.png", m_player + 1);
if (!crossfile.open(m_machine.system().name + (PATH_SEPARATOR + filename)))
{
render_load_png(out m_bitmap, crossfile.core_file_get());
crossfile.close();
}
// look for default cross?.png in crsshair dir
if (!m_bitmap.valid() && !crossfile.open(filename))
{
render_load_png(out m_bitmap, crossfile.core_file_get());
crossfile.close();
}
}
/* if that didn't work, use the built-in one */
if (!m_bitmap.valid())
{
/* allocate a blank bitmap to start with */
m_bitmap.allocate(CROSSHAIR_RAW_SIZE, CROSSHAIR_RAW_SIZE);
m_bitmap.fill(new rgb_t(0x00, 0xff, 0xff, 0xff));
/* extract the raw source data to it */
for (int y = 0; y < CROSSHAIR_RAW_SIZE / 2; y++)
{
/* assume it is mirrored vertically */
PointerU32 dest0 = m_bitmap.pix(y); //u32 *dest0 = &m_bitmap->pix(y);
PointerU32 dest1 = m_bitmap.pix(CROSSHAIR_RAW_SIZE - 1 - y); //u32 *dest1 = &m_bitmap->pix(CROSSHAIR_RAW_SIZE - 1 - y);
/* extract to two rows simultaneously */
for (int x = 0; x < CROSSHAIR_RAW_SIZE; x++)
{
if (((crosshair_raw_top[y * CROSSHAIR_RAW_ROWBYTES + x / 8] << (x % 8)) & 0x80) != 0)
{
dest0[x] = dest1[x] = new rgb_t(0xff, 0x00, 0x00, 0x00) | color;
}
}
}
}
/* reference the new bitmap */
m_texture.set_bitmap(m_bitmap, m_bitmap.cliprect(), texture_format.TEXFORMAT_ARGB32);
}
