/* ----- 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
}
/* ----- 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);
}
}