62 lines
2.7 KiB
C++
62 lines
2.7 KiB
C++
|
// 11 march 2018
|
||
|
|
#include "uipriv_windows.hpp"
|
||
|
|
#include "attrstr.hpp"
|
||
|
|
|
||
|
|
// TODO should be const but then I can't operator[] on it; the real solution is to find a way to do designated array initializers in C++11 but I do not know enough C++ voodoo to make it work (it is possible but no one else has actually done it before)
|
||
|
|
static std::map<uiTextItalic, DWRITE_FONT_STYLE> dwriteItalics = {
|
||
|
|
{ uiTextItalicNormal, DWRITE_FONT_STYLE_NORMAL },
|
||
|
|
{ uiTextItalicOblique, DWRITE_FONT_STYLE_OBLIQUE },
|
||
|
|
{ uiTextItalicItalic, DWRITE_FONT_STYLE_ITALIC },
|
||
|
|
};
|
||
|
|
|
||
|
|
// TODO should be const but then I can't operator[] on it; the real solution is to find a way to do designated array initializers in C++11 but I do not know enough C++ voodoo to make it work (it is possible but no one else has actually done it before)
|
||
|
|
static std::map<uiTextStretch, DWRITE_FONT_STRETCH> dwriteStretches = {
|
||
|
|
{ uiTextStretchUltraCondensed, DWRITE_FONT_STRETCH_ULTRA_CONDENSED },
|
||
|
|
{ uiTextStretchExtraCondensed, DWRITE_FONT_STRETCH_EXTRA_CONDENSED },
|
||
|
|
{ uiTextStretchCondensed, DWRITE_FONT_STRETCH_CONDENSED },
|
||
|
|
{ uiTextStretchSemiCondensed, DWRITE_FONT_STRETCH_SEMI_CONDENSED },
|
||
|
|
{ uiTextStretchNormal, DWRITE_FONT_STRETCH_NORMAL },
|
||
|
|
{ uiTextStretchSemiExpanded, DWRITE_FONT_STRETCH_SEMI_EXPANDED },
|
||
|
|
{ uiTextStretchExpanded, DWRITE_FONT_STRETCH_EXPANDED },
|
||
|
|
{ uiTextStretchExtraExpanded, DWRITE_FONT_STRETCH_EXTRA_EXPANDED },
|
||
|
|
{ uiTextStretchUltraExpanded, DWRITE_FONT_STRETCH_ULTRA_EXPANDED },
|
||
|
|
};
|
||
|
|
|
||
|
|
// for the most part, DirectWrite weights correlate to ours
|
||
|
|
// the differences:
|
||
|
|
// - Minimum — libui: 0, DirectWrite: 1
|
||
|
|
// - Maximum — libui: 1000, DirectWrite: 999
|
||
|
|
// TODO figure out what to do about this shorter range (the actual major values are the same (but with different names), so it's just a range issue)
|
||
|
|
DWRITE_FONT_WEIGHT uiprivWeightToDWriteWeight(uiTextWeight w)
|
||
|
|
{
|
||
|
|
return (DWRITE_FONT_WEIGHT) w;
|
||
|
|
}
|
||
|
|
|
||
|
|
DWRITE_FONT_STYLE uiprivItalicToDWriteStyle(uiTextItalic i)
|
||
|
|
{
|
||
|
|
return dwriteItalics[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
DWRITE_FONT_STRETCH uiprivStretchToDWriteStretch(uiTextStretch s)
|
||
|
|
{
|
||
|
|
return dwriteStretches[s];
|
||
|
|
}
|
||
|
|
|
||
|
|
void uiprivFontDescriptorFromIDWriteFont(IDWriteFont *font, uiFontDescriptor *uidesc)
|
||
|
|
{
|
||
|
|
DWRITE_FONT_STYLE dwitalic;
|
||
|
|
DWRITE_FONT_STRETCH dwstretch;
|
||
|
|
|
||
|
|
dwitalic = font->GetStyle();
|
||
|
|
// TODO reverse the above misalignment if it is corrected
|
||
|
|
uidesc->Weight = (uiTextWeight) (font->GetWeight());
|
||
|
|
dwstretch = font->GetStretch();
|
||
|
|
|
||
|
|
for (uidesc->Italic = uiTextItalicNormal; uidesc->Italic < uiTextItalicItalic; uidesc->Italic++)
|
||
|
|
if (dwriteItalics[uidesc->Italic] == dwitalic)
|
||
|
|
break;
|
||
|
|
for (uidesc->Stretch = uiTextStretchUltraCondensed; uidesc->Stretch < uiTextStretchUltraExpanded; uidesc->Stretch++)
|
||
|
|
if (dwriteStretches[uidesc->Stretch] == dwstretch)
|
||
|
|
break;
|
||
|
|
}
|