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LibGfx: Font, extend fonts to 384 character to support LatinExtendedA

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Hüseyin ASLITÜRK 2020-05-20 22:48:22 +03:00 • committed by Andreas Kling
parent 840a64e2f9
commit 8b3bd1a54b
2 changed files with 104 additions and 29 deletions
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23
Libraries/LibGfx/Font.h
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@ -35,6 +35,11 @@
namespace Gfx {
enum FontTypes {
Default = 0,
LatinExtendedA = 1
};
// FIXME: Make a MutableGlyphBitmap buddy class for FontEditor instead?
class GlyphBitmap {
friend class Font;
@ -77,16 +82,16 @@ public:
static Font& default_bold_fixed_width_font();
NonnullRefPtr<Font> clone() const;
static NonnullRefPtr<Font> create(u8 glyph_height, u8 glyph_width, bool fixed);
static NonnullRefPtr<Font> create(u8 glyph_height, u8 glyph_width, bool fixed, FontTypes type);
static RefPtr<Font> load_from_file(const StringView& path);
bool write_to_file(const StringView& path);
~Font();
GlyphBitmap glyph_bitmap(char ch) const { return GlyphBitmap(&m_rows[(u8)ch * m_glyph_height], { glyph_width(ch), m_glyph_height }); }
GlyphBitmap glyph_bitmap(u32 codepoint) const;
u8 glyph_width(char ch) const { return m_fixed_width ? m_glyph_width : m_glyph_widths[(u8)ch]; }
u8 glyph_width(size_t ch) const { return m_fixed_width ? m_glyph_width : m_glyph_widths[ch]; }
int glyph_or_emoji_width(u32 codepoint) const;
u8 glyph_height() const { return m_glyph_height; }
u8 min_glyph_width() const { return m_min_glyph_width; }
@ -106,20 +111,24 @@ public:
u8 glyph_spacing() const { return m_glyph_spacing; }
void set_glyph_spacing(u8 spacing) { m_glyph_spacing = spacing; }
void set_glyph_width(char ch, u8 width)
void set_glyph_width(size_t ch, u8 width)
{
ASSERT(m_glyph_widths);
m_glyph_widths[(u8)ch] = width;
m_glyph_widths[ch] = width;
}
int glyph_count() { return m_glyph_count; }
int glyph_count() const { return m_glyph_count; }
FontTypes type() { return m_type; }
void set_type(FontTypes type);
private:
Font(const StringView& name, unsigned* rows, u8* widths, bool is_fixed_width, u8 glyph_width, u8 glyph_height, u8 glyph_spacing);
Font(const StringView& name, unsigned* rows, u8* widths, bool is_fixed_width, u8 glyph_width, u8 glyph_height, u8 glyph_spacing, FontTypes type);
static RefPtr<Font> load_from_memory(const u8*);
static size_t glyph_count_by_type(FontTypes type);
String m_name;
FontTypes m_type;
size_t m_glyph_count { 256 };
unsigned* m_rows { nullptr };