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font: initial port from cairo scaled fonts to raw freetype + pixman

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Daniel Eklöf 2019-09-22 00:50:11 +02:00
parent 393e1909b7
commit b3a5e0b5d7
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6 changed files with 659 additions and 191 deletions
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70
font.h
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@ -1,15 +1,71 @@
#pragma once
#include <stdbool.h>
#include <cairo.h>
#include <threads.h>
#include "color.h"
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_LCD_FILTER_H
#include <fontconfig/fontconfig.h>
#include <pixman.h>
struct font;
#include "tllist.h"
struct font *font_new(const char *name);
struct glyph {
wchar_t wc;
int cols;
pixman_image_t *pix;
int x;
int y;
int x_advance;
int width;
int height;
bool valid;
};
typedef tll(struct glyph) hash_entry_t;
struct font {
char *name;
FcPattern *fc_pattern;
FcFontSet *fc_fonts;
int fc_idx;
FT_Face face;
int load_flags;
int render_flags;
FT_LcdFilter lcd_filter;
double pixel_size_fixup; /* Scale factor - should only be used with ARGB32 glyphs */
bool bgr; /* True for FC_RGBA_BGR and FC_RGBA_VBGR */
struct {
int height;
int descent;
int ascent;
int max_x_advance;
} fextents;
struct {
int position;
int thickness;
} underline;
struct {
int position;
int thickness;
} strikeout;
hash_entry_t **cache;
mtx_t lock;
bool is_fallback;
int ref_counter;
};
struct font *font_from_name(const char *name);
struct font *font_clone(const struct font *font);
const struct glyph *font_glyph_for_wc(struct font *font, wchar_t wc);
void font_destroy(struct font *font);
const char *font_face(const struct font *font);
cairo_scaled_font_t *font_scaled_font(const struct font *font);