/* ----- render utilities ----- */
/*-------------------------------------------------
* render_resample_argb_bitmap_hq - perform a high
* quality resampling of a texture
* -------------------------------------------------*/
public static void render_resample_argb_bitmap_hq(bitmap_argb32 dest, bitmap_argb32 source, render_color color, bool force = false)
{
if (dest.width() == 0 || dest.height() == 0)
{
return;
}
/* adjust the source base */
//const UINT32 *sbase = &source.pix32(0);
RawBuffer sbaseBuf;
u32 sbaseOffset = source.pix32(out sbaseBuf, 0);
/* determine the steppings */
u32 swidth = (u32)source.width();
u32 sheight = (u32)source.height();
u32 dwidth = (u32)dest.width();
u32 dheight = (u32)dest.height();
u32 dx = (swidth << 12) / dwidth;
u32 dy = (sheight << 12) / dheight;
//throw new emu_unimplemented();
/* if the source is higher res than the target, use full averaging */
if (dx > 0x1000 || dy > 0x1000 || force)
{
RawBuffer destBuf;
u32 destOffset = dest.pix32(out destBuf, 0);
resample_argb_bitmap_average(new RawBufferPointer(destBuf, (int)destOffset), (UInt32)dest.rowpixels(), dwidth, dheight, new RawBufferPointer(sbaseBuf, (int)sbaseOffset), (UInt32)source.rowpixels(), swidth, sheight, color, dx, dy);
}
else
{
RawBuffer destBuf;
u32 destOffset = dest.pix32(out destBuf, 0);
resample_argb_bitmap_bilinear(new RawBufferPointer(destBuf, (int)destOffset), (UInt32)dest.rowpixels(), dwidth, dheight, new RawBufferPointer(sbaseBuf, (int)sbaseOffset), (UInt32)source.rowpixels(), swidth, sheight, color, dx, dy);
}
}
// 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()
{
int x;
int y;
rgb_t color = m_player < crosshair_colors.Length ? 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);
}
emu_file crossfile = new emu_file(m_machine.options().crosshair_path(), OPEN_FLAG_READ);
if (!m_name.empty())
{
// look for user specified file
string filename = m_name + ".png";
render_load_png(out m_bitmap, crossfile, null, filename.c_str());
}
else
{
// look for default cross?.png in crsshair/game dir
string filename = string.Format("cross{0}.png", m_player + 1);
render_load_png(out m_bitmap, crossfile, m_machine.system().name, filename.c_str());
// look for default cross?.png in crsshair dir
if (!m_bitmap.valid())
{
render_load_png(out m_bitmap, crossfile, null, filename.c_str());
}
}
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 (y = 0; y < CROSSHAIR_RAW_SIZE / 2; y++)
{
/* assume it is mirrored vertically */
//u32 *dest0 = &m_bitmap->pix32(y);
RawBuffer dest0Buf;
UInt32 dest0Offset = m_bitmap.pix32(out dest0Buf, y);
//u32 *dest1 = &m_bitmap->pix32(CROSSHAIR_RAW_SIZE - 1 - y);
RawBuffer dest1Buf;
UInt32 dest1Offset = m_bitmap.pix32(out dest1Buf, CROSSHAIR_RAW_SIZE - 1 - y);
/* extract to two rows simultaneously */
for (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;
dest0Buf.set_uint32((int)dest0Offset + x, new rgb_t(0xff, 0x00, 0x00, 0x00) | color);
dest1Buf.set_uint32((int)dest1Offset + 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);
}
