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Add Font Style Support

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This commit is contained in:
Kirigaya Kazuto 2017-04-05 09:23:13 +08:00
parent f3b1b2208c
commit 592a4bbae4
2 changed files with 58 additions and 0 deletions
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25
MiniEngine.cpp
View File

@ -579,6 +579,31 @@ namespace MiniEngine
return (font.get() != nullptr);
}
void Font::_real_setFontStyle(int Style)
{
TTF_SetFontStyle(font.get(),Style);
}
int Font::_style_caster(Style style)
{
switch(style)
{
case Style::Bold:
return TTF_STYLE_BOLD;
case Style::Italic:
return TTF_STYLE_ITALIC;
case Style::Normal:
return TTF_STYLE_NORMAL;
case Style::StrikeThrough:
return TTF_STYLE_STRIKETHROUGH;
case Style::UnderLine:
return TTF_STYLE_UNDERLINE;
}
/// If an error occurs, return 0 instead of -1.
return 0;
}
Texture Font::renderText(Renderer rnd, std::string Text, RGBA fg)
{
Surface surf;

33
MiniEngine.h
View File

@ -216,10 +216,27 @@ namespace MiniEngine
class Font
{
public:
enum class Style { Normal, Bold, Italic, UnderLine, StrikeThrough };
Font() = default;
Font(std::string FontFileName, int size) throw(ErrorViewer);
int use(std::string FontFileName, int size);
bool isReady();
template<typename... Args>
void setFontStyle(Style style,Args&&... args)
{
_internal_fontcalc=0;
_setFontStyle(style,std::forward(args...));
}
void setFontStyle(Style style)
{
_real_setFontStyle(_style_caster(style));
}
std::tuple<Style> getFontStyles();
Texture renderText(Renderer rnd, std::string Text, RGBA fg);
Texture renderTextWrapped(Renderer rnd, std::string Text, RGBA fg, int WrapLength);
Texture renderTextShaded(Renderer rnd, std::string Text, RGBA fg, RGBA bg);
@ -229,7 +246,23 @@ namespace MiniEngine
Texture renderUTF8Wrapped(Renderer rnd, std::string Text, RGBA fg, int WrapLength);
Texture renderUTF8Shaded(Renderer rnd, std::string Text, RGBA fg, RGBA bg);
Texture renderUTF8Solid(Renderer rnd, std::string Text, RGBA fg);
protected:
template<typename... Args>
void _setFontStyle(Style style,Args&&... args)
{
_internal_fontcalc|=_style_caster(style);
_setFontStyle(args...);
}
void _setFontStyle(Style style)
{
_internal_fontcalc|=_style_caster(style);
_real_setFontStyle(_internal_fontcalc);
}
private:
void _real_setFontStyle(int);
int _style_caster(Style);
int _internal_fontcalc;
std::shared_ptr<TTF_Font> font;
};