56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
|
// 11 march 2018
|
||
|
#include "uipriv_unix.h"
|
||
|
#include "attrstr.h"
|
||
|
|
||
|
static const PangoStyle pangoItalics[] = {
|
||
|
[uiTextItalicNormal] = PANGO_STYLE_NORMAL,
|
||
|
[uiTextItalicOblique] = PANGO_STYLE_OBLIQUE,
|
||
|
[uiTextItalicItalic] = PANGO_STYLE_ITALIC,
|
||
|
};
|
||
|
|
||
|
static const PangoStretch pangoStretches[] = {
|
||
|
[uiTextStretchUltraCondensed] = PANGO_STRETCH_ULTRA_CONDENSED,
|
||
|
[uiTextStretchExtraCondensed] = PANGO_STRETCH_EXTRA_CONDENSED,
|
||
|
[uiTextStretchCondensed] = PANGO_STRETCH_CONDENSED,
|
||
|
[uiTextStretchSemiCondensed] = PANGO_STRETCH_SEMI_CONDENSED,
|
||
|
[uiTextStretchNormal] = PANGO_STRETCH_NORMAL,
|
||
|
[uiTextStretchSemiExpanded] = PANGO_STRETCH_SEMI_EXPANDED,
|
||
|
[uiTextStretchExpanded] = PANGO_STRETCH_EXPANDED,
|
||
|
[uiTextStretchExtraExpanded] = PANGO_STRETCH_EXTRA_EXPANDED,
|
||
|
[uiTextStretchUltraExpanded] = PANGO_STRETCH_ULTRA_EXPANDED,
|
||
|
};
|
||
|
|
||
|
// for the most part, pango weights correlate to ours
|
||
|
// the differences:
|
||
|
// - Book — libui: 350, Pango: 380
|
||
|
// - Ultra Heavy — libui: 950, Pango: 1000
|
||
|
// TODO figure out what to do about this misalignment
|
||
|
PangoWeight uiprivWeightToPangoWeight(uiTextWeight w)
|
||
|
{
|
||
|
return (PangoWeight) w;
|
||
|
}
|
||
|
|
||
|
PangoStyle uiprivItalicToPangoStyle(uiTextItalic i)
|
||
|
{
|
||
|
return pangoItalics[i];
|
||
|
}
|
||
|
|
||
|
PangoStretch uiprivStretchToPangoStretch(uiTextStretch s)
|
||
|
{
|
||
|
return pangoStretches[s];
|
||
|
}
|
||
|
|
||
|
PangoFontDescription *uiprivFontDescriptorToPangoFontDescription(const uiFontDescriptor *uidesc)
|
||
|
{
|
||
|
PangoFontDescriptor *desc;
|
||
|
|
||
|
desc = pango_font_description_new();
|
||
|
pango_font_description_set_family(desc, uidesc->Family);
|
||
|
// see https://developer.gnome.org/pango/1.30/pango-Fonts.html#pango-font-description-set-size and https://developer.gnome.org/pango/1.30/pango-Glyph-Storage.html#pango-units-from-double
|
||
|
pango_font_description_set_size(desc, pango_units_from_double(uidesc->Size));
|
||
|
pango_font_description_set_weight(desc, uiprivWeightToPangoWeight(uidesc->Weight));
|
||
|
pango_font_description_set_style(desc, uiprivItalicToPangoStyle(uidesc->Italic));
|
||
|
pango_font_description_set_stretch(desc, uiprivStretchToPangoStretch(uidesc->Stretch));
|
||
|
return desc;
|
||
|
}
|