GLYPH *TBBFRenderer::FindNext(UCS4 cp, int x)
{
int width = m_img->Width();
int height = m_img->Height();
uint32 *data32 = m_img->Data();
if (x >= width)
return nullptr;
GLYPH *glyph = new GLYPH;
if (!glyph)
return nullptr;
glyph->x = -1;
glyph->w = -1;
// Find the left edge of the glyph
for (int i = x; i < width && glyph->x == -1; i++)
{
for (int j = 0; j < height; j++)
if (GetAlpha(data32[i + j * width]))
{
glyph->x = x = i;
break;
}
}
// Find the right edge of the glyph
for (int i = x; i < width; i++)
{
int j;
for (j = 0; j < height; j++)
{
if (GetAlpha(data32[i + j * width]))
break;
}
if (j == height) // The whole col was clear, so we found the edge
{
glyph->w = i - glyph->x;
break;
}
}
if (glyph->x == -1 || glyph->w == -1)
{
delete glyph;
return nullptr;
}
return glyph;
}
bool TBBFRenderer::RenderGlyph(TBFontGlyphData *data, UCS4 cp)
{
if (cp == ' ')
return false;
GLYPH *glyph;
if ((glyph = m_glyph_table.Get(cp)) ||
(glyph = m_glyph_table.Get('?')))
{
data->w = glyph->w;
data->h = m_img->Height();
data->stride = m_img->Width();
data->data32 = m_img->Data() + glyph->x;
data->rgb = m_rgb ? true : false;
return true;
}
return false;
}
TBBitmapFragment *TBBitmapFragmentManager::GetFragmentFromFile(const char *filename, bool dedicated_map)
{
TBID id(filename);
// If we already have a fragment for this filename, return that
TBBitmapFragment *frag = m_fragments.Get(id);
if (frag)
return frag;
// Load the file
TBImageLoader *img = TBImageLoader::CreateFromFile(filename);
if (!img)
return nullptr;
frag = CreateNewFragment(id, dedicated_map, img->Width(), img->Height(), img->Width(), img->Data());
delete img;
return frag;
}
