virtualx-engine/scene/resources/dynamic_font_stb.h
Juan Linietsky 118eed485e ObjectTypeDB was renamed to ClassDB. Types are meant to be more generic to Variant.
All usages of "type" to refer to classes were renamed to "class"
ClassDB has been exposed to GDScript.
OBJ_TYPE() macro is now GDCLASS()
2017-01-02 23:03:46 -03:00

178 lines
3.1 KiB
C++

#ifndef DYNAMICFONT_STB_H
#define DYNAMICFONT_STB_H
#ifndef FREETYPE_ENABLED
#include "font.h"
#include "stb_truetype.h"
#include "io/resource_loader.h"
class DynamicFontAtSize;
class DynamicFont;
class DynamicFontData : public Resource {
GDCLASS(DynamicFontData,Resource);
bool valid;
DVector<uint8_t> font_data;
DVector<uint8_t>::Read fr;
const uint8_t* last_data_ptr;
struct KerningPairKey {
union {
struct {
uint32_t A,B;
};
uint64_t pair;
};
_FORCE_INLINE_ bool operator<(const KerningPairKey& p_r) const { return pair<p_r.pair; }
};
Map<KerningPairKey,int> kerning_map;
Map<int,DynamicFontAtSize*> size_cache;
friend class DynamicFontAtSize;
stbtt_fontinfo info;
int ascent;
int descent;
int linegap;
void lock();
void unlock();
friend class DynamicFont;
Ref<DynamicFontAtSize> _get_dynamic_font_at_size(int p_size);
public:
void set_font_data(const DVector<uint8_t>& p_font);
DynamicFontData();
~DynamicFontData();
};
class DynamicFontAtSize : public Reference {
GDCLASS(DynamicFontAtSize,Reference);
int rect_margin;
struct CharTexture {
DVector<uint8_t> imgdata;
int texture_size;
Vector<int> offsets;
Ref<ImageTexture> texture;
};
Vector<CharTexture> textures;
struct Character {
int texture_idx;
Rect2 rect;
float v_align;
float h_align;
float advance;
Character() { texture_idx=0; v_align=0; }
};
HashMap< CharType, Character > char_map;
_FORCE_INLINE_ void _update_char(CharType p_char);
friend class DynamicFontData;
Ref<DynamicFontData> font;
float scale;
int size;
protected:
public:
float get_height() const;
float get_ascent() const;
float get_descent() const;
Size2 get_char_size(CharType p_char,CharType p_next=0) const;
float draw_char(RID p_canvas_item, const Point2& p_pos, CharType p_char,CharType p_next=0,const Color& p_modulate=Color(1,1,1)) const;
DynamicFontAtSize();
~DynamicFontAtSize();
};
///////////////
class DynamicFont : public Font {
GDCLASS( DynamicFont, Font );
Ref<DynamicFontData> data;
Ref<DynamicFontAtSize> data_at_size;
int size;
protected:
static void _bind_methods();
public:
void set_font_data(const Ref<DynamicFontData>& p_data);
Ref<DynamicFontData> get_font_data() const;
void set_size(int p_size);
int get_size() const;
virtual float get_height() const;
virtual float get_ascent() const;
virtual float get_descent() const;
virtual Size2 get_char_size(CharType p_char,CharType p_next=0) const;
virtual bool is_distance_field_hint() const;
virtual float draw_char(RID p_canvas_item, const Point2& p_pos, CharType p_char,CharType p_next=0,const Color& p_modulate=Color(1,1,1)) const;
DynamicFont();
~DynamicFont();
};
/////////////
class ResourceFormatLoaderDynamicFont : public ResourceFormatLoader {
public:
virtual RES load(const String &p_path,const String& p_original_path="",Error *r_error=NULL);
virtual void get_recognized_extensions(List<String> *p_extensions) const;
virtual bool handles_type(const String& p_type) const;
virtual String get_resource_type(const String &p_path) const;
};
#endif
#endif // DYNAMICFONT_H