/* ----- 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 */
PointerU32 sbase = source.pix(0); //const u32 *sbase = &source.pix(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;
/* if the source is higher res than the target, use full averaging */
if (dx > 0x1000 || dy > 0x1000 || force)
{
resample_argb_bitmap_average(dest.pix(0), (u32)dest.rowpixels(), dwidth, dheight, sbase, (u32)source.rowpixels(), swidth, sheight, color, dx, dy);
}
else
{
resample_argb_bitmap_bilinear(dest.pix(0), (u32)dest.rowpixels(), dwidth, dheight, sbase, (u32)source.rowpixels(), swidth, sheight, color, dx, dy);
}
}
//-------------------------------------------------
// get_scaled_bitmap_and_bounds - return a
// scaled bitmap and bounding rect for a char
//-------------------------------------------------
public void get_scaled_bitmap_and_bounds(bitmap_argb32 dest, float height, float aspect, char32_t chnum, out rectangle bounds)
{
bounds = default;
glyph gl = get_char(chnum);
// on entry, assume x0,y0 are the top,left coordinate of the cell and add
// the character bounding box to that position
float scale = m_scale * height;
bounds.min_x = (int)((float)(gl.xoffs) * scale * aspect);
bounds.min_y = 0;
// compute x1,y1 from there based on the bitmap size
bounds.set_width((int)((float)(gl.bmwidth) * scale * aspect));
bounds.set_height((int)((float)(m_height) * scale));
// if the bitmap isn't big enough, bail
if (dest.width() < bounds.width() || dest.height() < bounds.height())
{
return;
}
// if no texture, fill the target
if (gl.texture == null)
{
dest.fill(0);
return;
}
throw new emu_unimplemented();
#if false
// scale the font
bitmap_argb32 tempbitmap = new bitmap_argb32(&dest.pix(0), bounds.width(), bounds.height(), dest.rowpixels());
render_texture.hq_scale(tempbitmap, gl.bitmap, gl.bitmap.cliprect(), null);
#endif
}
// 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);
}