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Initial font rework.

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Relintai 2024-01-03 19:30:49 +01:00
parent 82853c99f2
commit 2c358a1466
2 changed files with 5218 additions and 2169 deletions
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6098
sfw/render_core/fwk_font.c
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67
sfw/render_core/fwk_font.h
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@ -1,7 +1,12 @@
#ifndef FONT_RENDERER_H
#define FONT_RENDERER_H
// -----------------------------------------------------------------------------
// font framework
// font framework originally from FWK
// - rlyeh, public domain
#include "object/object.h"
// font size tags
#define FONT_H1 "\1" // largest
#define FONT_H2 "\2"
@ -39,8 +44,12 @@
#define FONT_BASELINE "\\_"
#define FONT_BOTTOM "\\v"
// font flags
enum FONT_FLAGS {
class TextRenderer : public Object {
SFW_OBJECT(TextRenderer, Object);
public:
// font flags
enum FONT_FLAGS {
// font atlas size
FONT_512 = 0x0,
FONT_1024 = 0x1,
@ -65,36 +74,44 @@ enum FONT_FLAGS {
FONT_RU = 0x100000, // Cyrillic + ext A/B
FONT_TH = 0x200000, // Thai
FONT_VI = 0x400000, // Vietnamese
FONT_CJK = FONT_ZH|FONT_JP|FONT_KR,
FONT_CJK = FONT_ZH | FONT_JP | FONT_KR,
// FONT_DEFAULTS = FONT_512 | FONT_NO_OVERSAMPLE | FONT_ASCII,
};
};
typedef struct font_metrics_t {
typedef struct font_metrics_t {
float ascent; // max distance above baseline for all glyphs
float descent; // max distance below baseline for all glyphs
float linegap; // distance betwen ascent of next line and descent of current line
float linedist; // distance between the baseline of two lines (ascent - descent + linegap)
} font_metrics_t;
} font_metrics_t;
// configures
API void font_face(const char *face_tag, const char *filename_ttf, float font_size, unsigned flags);
API void font_face_from_mem(const char *tag, const void *ttf_buffer, unsigned ttf_len, float font_size, unsigned flags);
API void font_scales(const char *face_tag, float h1, float h2, float h3, float h4, float h5, float h6);
API void font_color(const char *color_tag, uint32_t color);
// configures
void font_face(const char *face_tag, const char *filename_ttf, float font_size, unsigned flags);
void font_face_from_mem(const char *tag, const void *ttf_buffer, unsigned ttf_len, float font_size, unsigned flags);
void font_scales(const char *face_tag, float h1, float h2, float h3, float h4, float h5, float h6);
void font_color(const char *color_tag, uint32_t color);
// commands
API vec2 font_xy();
API void font_goto(float x, float y);
API vec2 font_print(const char *text);
API vec2 font_rect(const char *text);
API font_metrics_t font_metrics(const char *text);
// void font_clip(vec2 topleft, vec2 bottomright);
// void font_wrap(vec2 topleft, vec2 bottomright);
// commands
vec2 font_xy();
void font_goto(float x, float y);
vec2 font_print(const char *text);
vec2 font_rect(const char *text);
font_metrics_t font_metrics(const char *text);
// void font_clip(vec2 topleft, vec2 bottomright);
// void font_wrap(vec2 topleft, vec2 bottomright);
// syntax highlighting
API void* font_colorize(const char *text, const char *comma_types, const char *comma_keywords); // comma separated tokens. expensive, please cache result.
API vec2 font_highlight(const char *text, const void *colors);
// syntax highlighting
void *font_colorize(const char *text, const char *comma_types, const char *comma_keywords); // comma separated tokens. expensive, please cache result.
vec2 font_highlight(const char *text, const void *colors);
// ui
API void ui_font();
// ui
void ui_font();
static TextRenderer *get_singleton();
protected:
static TextRenderer *_singleton;
};
#endif