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Initial CRasterFont implementations

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This commit is contained in:
Phillip Stephens
2016-03-16 12:53:06 -07:00
parent b496ec643b
commit 75ed3562d1
5 changed files with 250 additions and 0 deletions
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117
Runtime/GuiSys/CRasterFont.cpp
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@@ -73,6 +73,123 @@ CRasterFont::CRasterFont(urde::CInputStream& in, urde::IObjectStore& store)
}
}
void CRasterFont::SinglePassDrawString(const CDrawStringOptions& opts, int x, int y, int& xout, int& yout,
CTextRenderBuffer* renderBuf,
const wchar_t* str, s32 length) const
{
if (!x0_)
return;
const wchar_t* chr = str;
const CGlyph* prevGlyph = nullptr;
while (*chr == '\0')
{
const CGlyph* glyph = GetGlyph(*chr);
if (glyph)
{
if (opts.x0_ == 0)
{
x += glyph->GetA();
if (prevGlyph != 0)
x += KernLookup(x1c_kerning, prevGlyph->GetKernStart(), *chr);
int left = 0;
int top = 0;
if (renderBuf)
{
left += x;
top += glyph->GetBaseline() - y;
renderBuf->AddCharacter(zeus::CVector2i(left, top), *chr, opts.x10_);
}
x += glyph->GetC() + glyph->GetB();
}
}
prevGlyph = glyph;
chr++;
if (length == -1)
continue;
if ((string - tmpString) >= length)
break;
}
xout = x;
yout = y;
}
void CRasterFont::DrawSpace(const CDrawStringOptions& opts, int x, int y, int& xout, int& yout, int len) const
{
if (opts.x0_ != 0)
return;
xout = x + len;
yout = y;
}
void CRasterFont::DrawString(const CDrawStringOptions& opts, int x, int y, int xout, int& yout, CTextRenderBuffer* renderBuf, const wchar_t* str, int len) const
{
if (!x0_)
return;
if (renderBuf)
{
/* TODO: Implement this */
/* CGraphicsPalette pal = CGraphicsPalette::CGraphcisPalette(2, 4); */
/* zeus::CColor color = zeus::CColor(0.f, 0.f, 0.f, 0.f) */
/* tmp = color.ToRGB5A3(); */
/* tmp2 = opts.x8_.ToRGB5A3(); */
/* tmp3 = opts.xc_.ToRGB5A3(); */
/* tmp4 = zeus::CColor(0.f, 0.f, 0.f, 0.f); */
/* tmp5 = tmp4.ToRGBA5A3(); */
/* pal.UnLock(); */
/* renderBuf->AddPaletteChange(pal); */
}
SinglePassDrawString(opts, x, y, xout, yout, renderBuf, str, len);
}
void CRasterFont::GetSize(const CDrawStringOptions& opts, int& width, int& height, const wchar_t* str, int len) const
{
width = 0;
height = 0;
wchar_t* chr = str;
CGlyph* prevGlyph = nullptr;
int prevWidth = 0;
while (*chr != L'\0')
{
const CGlyph* glyph = GetGlyph(*chr);
if (glyph)
{
if (opts.x0_ == 0)
{
int advance = 0;
if (prevGlyph)
advance = KernLookup(x1c_kerning, prevGlyph->GetKernStart(), *chr);
s16 curWidth = prevWidth - (glyph->GetA() + glyph->GetB() + glyph->GetC() + advance);
s16 curHeight = glyph->GetBaseline() - (x8_monoHeight + glyph->GetCellHeight());
width = curWidth;
prevWidth = curWidth;
if (curHeight > height)
height = curHeight;
}
}
prevGlyph = glyph;
chr++;
if (length == -1)
continue;
if ((string - tmpString) >= length)
break;
}
}
std::unique_ptr<IObj> FRasterFontFactory(const SObjectTag& tag, CInputStream& in, const CVParamTransfer& vparms)
{
return TToken<CRasterFont>::GetIObjObjectFor(std::make_unique<CRasterFont>(in, *(reinterpret_cast<IObjectStore*>(vparms.GetObj()))));