blf_glyph.c File Reference

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ft2build.h>
#include "MEM_guardedalloc.h"
#include "DNA_userdef_types.h"
#include "DNA_vec_types.h"
#include "BLI_listbase.h"
#include "BLI_rect.h"
#include "BLI_threads.h"
#include "BLF_api.h"
#include "GPU_capabilities.h"
#include "GPU_immediate.h"
#include "blf_internal.h"
#include "blf_internal_types.h"
#include "BLI_math_vector.h"
#include "BLI_strict_flags.h"

Go to the source code of this file.

Functions
KerningCacheBLF *	blf_kerning_cache_find (FontBLF *font)
KerningCacheBLF *	blf_kerning_cache_new (FontBLF *font, GlyphCacheBLF *gc)
void	blf_kerning_cache_clear (FontBLF *font)
GlyphCacheBLF *	blf_glyph_cache_find (FontBLF *font, unsigned int size, unsigned int dpi)
GlyphCacheBLF *	blf_glyph_cache_new (FontBLF *font)
GlyphCacheBLF *	blf_glyph_cache_acquire (FontBLF *font)
void	blf_glyph_cache_release (FontBLF *font)
void	blf_glyph_cache_clear (FontBLF *font)
void	blf_glyph_cache_free (GlyphCacheBLF *gc)
GlyphBLF *	blf_glyph_search (GlyphCacheBLF *gc, unsigned int c)
GlyphBLF *	blf_glyph_add (FontBLF *font, GlyphCacheBLF *gc, unsigned int index, unsigned int c)
void	blf_glyph_free (GlyphBLF *g)
static void	blf_texture_draw (const unsigned char color[4], const int glyph_size[2], const int offset, float x1, float y1, float x2, float y2)
static void	blf_texture5_draw (const unsigned char color_in[4], const int glyph_size[2], const int offset, float x1, float y1, float x2, float y2)
static void	blf_texture3_draw (const unsigned char color_in[4], const int glyph_size[2], const int offset, float x1, float y1, float x2, float y2)
static void	blf_glyph_calc_rect (rctf *rect, GlyphBLF *g, float x, float y)
static void	blf_glyph_calc_rect_test (rctf *rect, GlyphBLF *g, float x, float y)
static void	blf_glyph_calc_rect_shadow (rctf *rect, GlyphBLF *g, float x, float y, FontBLF *font)
void	blf_glyph_render (FontBLF *font, GlyphCacheBLF *gc, GlyphBLF *g, float x, float y)

Detailed Description

Glyph rendering, texturing and caching. Wraps Freetype and OpenGL functions.

Definition in file blf_glyph.c.

Function Documentation

blf_glyph_add()

GlyphBLF* blf_glyph_add	(	FontBLF *	font,
		GlyphCacheBLF *	gc,
		unsigned int	index,
		unsigned int	c
	)

Definition at line 238 of file blf_glyph.c.

References GlyphBLF::advance, GlyphBLF::advance_i, GlyphBLF::bitmap, BLF_BOLD, blf_glyph_search(), blf_hash(), BLF_HINTING_FULL, BLF_HINTING_NONE, BLF_HINTING_SLIGHT, BLF_ITALIC, BLF_MONOCHROME, BLI_addhead(), BLI_spin_lock(), BLI_spin_unlock(), GlyphBLF::box, GlyphCacheBLF::bucket, GlyphBLF::c, Freestyle::c, GlyphBLF::dims, err, FontBLF::face, FontBLF::flags, float(), FontBLF::ft_lib, FontBLF::ft_lib_mutex, GlyphBLF::idx, MEM_callocN, MEM_mallocN, NULL, GlyphBLF::pitch, GlyphBLF::pos, transform(), rctf::xmax, rctf::xmin, rctf::ymax, and rctf::ymin.

Referenced by blf_font_ensure_ascii_table(), blf_font_fixed_width(), and blf_kerning_cache_new().

blf_glyph_cache_acquire()

GlyphCacheBLF* blf_glyph_cache_acquire

(

FontBLF *

font

)

Definition at line 174 of file blf_glyph.c.

References blf_glyph_cache_find(), blf_glyph_cache_new(), BLI_spin_lock(), FontBLF::dpi, FontBLF::glyph_cache_mutex, and FontBLF::size.

Referenced by blf_font_ascender(), blf_font_boundbox(), blf_font_boundbox_foreach_glyph(), blf_font_descender(), blf_font_draw(), blf_font_draw_ascii_ex(), blf_font_draw_buffer(), blf_font_draw_mono(), blf_font_fixed_width(), blf_font_height_max(), blf_font_size(), blf_font_width_max(), blf_font_width_to_rstrlen(), blf_font_width_to_strlen(), and blf_font_wrap_apply().

blf_glyph_cache_clear()

void blf_glyph_cache_clear

(

FontBLF *

font

)

Definition at line 192 of file blf_glyph.c.

References blf_glyph_cache_free(), BLI_pophead(), BLI_spin_lock(), BLI_spin_unlock(), FontBLF::cache, and FontBLF::glyph_cache_mutex.

Referenced by BLF_cache_clear().

blf_glyph_cache_find()

GlyphCacheBLF* blf_glyph_cache_find	(	FontBLF *	font,
		unsigned int	size,
		unsigned int	dpi
	)

Definition at line 116 of file blf_glyph.c.

References BLF_BOLD, BLF_ITALIC, GlyphCacheBLF::bold, FontBLF::cache, GlyphCacheBLF::dpi, ListBase::first, FontBLF::flags, GlyphCacheBLF::italic, GlyphCacheBLF::next, NULL, size(), and GlyphCacheBLF::size.

Referenced by blf_font_size(), blf_glyph_cache_acquire(), and BLF_thumb_preview().

blf_glyph_cache_free()

void blf_glyph_cache_free

(

GlyphCacheBLF *

gc

)

Definition at line 205 of file blf_glyph.c.

References ARRAY_SIZE, GlyphCacheBLF::bitmap_result, blf_glyph_free(), BLI_pophead(), GlyphCacheBLF::bucket, GPU_texture_free(), MEM_freeN, and GlyphCacheBLF::texture.

Referenced by blf_font_free(), and blf_glyph_cache_clear().

blf_glyph_cache_new()

GlyphCacheBLF* blf_glyph_cache_new

(

FontBLF *

font

)

Definition at line 132 of file blf_glyph.c.

References GlyphCacheBLF::ascender, BLF_BOLD, BLF_ITALIC, BLI_addhead(), GlyphCacheBLF::bold, GlyphCacheBLF::bucket, FontBLF::cache, CLAMP_MIN, GlyphCacheBLF::descender, GlyphCacheBLF::dpi, FontBLF::dpi, FontBLF::face, FontBLF::flags, float(), GlyphCacheBLF::glyph_ascii_table, GlyphCacheBLF::glyph_height_max, GlyphCacheBLF::glyph_width_max, GlyphCacheBLF::glyphs_len_free, GlyphCacheBLF::glyphs_len_max, GlyphCacheBLF::italic, MEM_callocN, GlyphCacheBLF::next, NULL, GlyphCacheBLF::prev, GlyphCacheBLF::size, and FontBLF::size.

Referenced by blf_font_size(), and blf_glyph_cache_acquire().

blf_glyph_cache_release()

void blf_glyph_cache_release

(

FontBLF *

font

)

Definition at line 187 of file blf_glyph.c.

References BLI_spin_unlock(), and FontBLF::glyph_cache_mutex.

Referenced by blf_font_ascender(), blf_font_boundbox(), blf_font_boundbox_foreach_glyph(), blf_font_descender(), blf_font_draw(), blf_font_draw_ascii_ex(), blf_font_draw_buffer(), blf_font_draw_mono(), blf_font_fixed_width(), blf_font_height_max(), blf_font_size(), blf_font_width_max(), blf_font_width_to_rstrlen(), blf_font_width_to_strlen(), and blf_font_wrap_apply().

blf_glyph_calc_rect()

static void blf_glyph_calc_rect ( rctf *  rect, GlyphBLF *  g, float  x, float  y  )

static

Definition at line 458 of file blf_glyph.c.

References GlyphBLF::dims, float(), floorf, GlyphBLF::pos, x, rctf::xmax, rctf::xmin, y, rctf::ymax, and rctf::ymin.

Referenced by blf_glyph_calc_rect_shadow(), and blf_glyph_render().

blf_glyph_calc_rect_shadow()

static void blf_glyph_calc_rect_shadow ( rctf *  rect, GlyphBLF *  g, float  x, float  y, FontBLF *  font  )

static

Definition at line 477 of file blf_glyph.c.

References blf_glyph_calc_rect(), FontBLF::shadow_x, FontBLF::shadow_y, x, and y.

Referenced by blf_glyph_render().

blf_glyph_calc_rect_test()

static void blf_glyph_calc_rect_test ( rctf *  rect, GlyphBLF *  g, float  x, float  y  )

static

Definition at line 466 of file blf_glyph.c.

References GlyphBLF::advance, GlyphBLF::dims, float(), floorf, MIN2, x, rctf::xmax, rctf::xmin, y, rctf::ymax, and rctf::ymin.

Referenced by blf_glyph_render().

blf_glyph_free()

void blf_glyph_free

(

GlyphBLF *

g

)

Definition at line 392 of file blf_glyph.c.

References GlyphBLF::bitmap, and MEM_freeN.

Referenced by blf_glyph_cache_free().

blf_glyph_render()

void blf_glyph_render	(	FontBLF *	font,
		GlyphCacheBLF *	gc,
		GlyphBLF *	g,
		float	x,
		float	y
	)

Definition at line 482 of file blf_glyph.c.

References GlyphBLF::bitmap, GlyphCacheBLF::bitmap_len, GlyphCacheBLF::bitmap_len_alloc, GlyphCacheBLF::bitmap_len_landed, GlyphCacheBLF::bitmap_result, blf_batch_draw(), BLF_CLIPPING, blf_glyph_calc_rect(), blf_glyph_calc_rect_shadow(), blf_glyph_calc_rect_test(), BLF_SHADOW, blf_texture3_draw(), blf_texture5_draw(), blf_texture_draw(), BLI_rctf_inside_rctf(), BLI_rctf_translate(), FontBLF::clip_rec, FontBLF::color, GlyphBLF::dims, FontBLF::flags, g_batch, BatchBLF::glyph_cache, GlyphBLF::glyph_cache, GlyphCacheBLF::glyphs_len_free, GPU_max_texture_size(), GPU_R8, GPU_texture_create_2d(), GPU_texture_free(), MEM_reallocN, NULL, GlyphBLF::offset, FontBLF::pos, FontBLF::shadow, FontBLF::shadow_color, FontBLF::tex_size_max, GlyphCacheBLF::texture, w(), x, rctf::xmax, rctf::xmin, y, rctf::ymax, and rctf::ymin.

Referenced by blf_font_draw_ascii_ex(), blf_font_draw_ex(), and blf_font_draw_mono().

blf_glyph_search()

GlyphBLF* blf_glyph_search	(	GlyphCacheBLF *	gc,
		unsigned int	c
	)

Definition at line 222 of file blf_glyph.c.

References blf_hash(), GlyphCacheBLF::bucket, GlyphBLF::c, Freestyle::c, ListBase::first, GlyphBLF::next, and NULL.

Referenced by blf_font_ensure_ascii_table(), blf_font_fixed_width(), blf_glyph_add(), and blf_kerning_cache_new().

blf_kerning_cache_clear()

void blf_kerning_cache_clear

(

FontBLF *

font

)

Definition at line 110 of file blf_glyph.c.

References BLI_freelistN(), FontBLF::kerning_cache, FontBLF::kerning_caches, and NULL.

Referenced by BLF_cache_clear(), and blf_font_free().

blf_kerning_cache_find()

KerningCacheBLF* blf_kerning_cache_find

(

FontBLF *

font

)

Definition at line 58 of file blf_glyph.c.

References ListBase::first, FontBLF::kerning_caches, FontBLF::kerning_mode, KerningCacheBLF::mode, KerningCacheBLF::next, and NULL.

Referenced by blf_font_ensure_ascii_kerning().

blf_kerning_cache_new()

KerningCacheBLF* blf_kerning_cache_new	(	FontBLF *	font,
		GlyphCacheBLF *	gc
	)

Definition at line 73 of file blf_glyph.c.

References blf_glyph_add(), blf_glyph_search(), BLI_addhead(), FontBLF::face, GlyphBLF::idx, FontBLF::kerning_caches, FontBLF::kerning_mode, MEM_callocN, KerningCacheBLF::mode, KerningCacheBLF::next, NULL, KerningCacheBLF::prev, and KerningCacheBLF::table.

Referenced by blf_font_ensure_ascii_kerning().

blf_texture3_draw()

static void blf_texture3_draw ( const unsigned char  color_in[4], const int  glyph_size[2], const int  offset, float  x1, float  y1, float  x2, float  y2  )

static

Definition at line 442 of file blf_glyph.c.

References blf_texture_draw(), x2, and y1.

Referenced by blf_glyph_render().

blf_texture5_draw()

static void blf_texture5_draw ( const unsigned char  color_in[4], const int  glyph_size[2], const int  offset, float  x1, float  y1, float  x2, float  y2  )

static

Definition at line 426 of file blf_glyph.c.

References blf_texture_draw(), x2, and y1.

Referenced by blf_glyph_render().

blf_texture_draw()

static void blf_texture_draw ( const unsigned char  color[4], const int  glyph_size[2], const int  offset, float  x1, float  y1, float  x2, float  y2  )

static

Definition at line 400 of file blf_glyph.c.

References blf_batch_draw(), BLF_BATCH_DRAW_LEN_MAX, copy_v2_v2_int(), copy_v4_fl4(), copy_v4_v4_uchar(), g_batch, BatchBLF::glyph_len, BatchBLF::glyph_size_step, GPU_vertbuf_raw_step(), BatchBLF::ofs, x2, and y1.

Referenced by blf_glyph_render(), blf_texture3_draw(), and blf_texture5_draw().