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BLF: Cleanup blf_glyph_cache_find & blf_font_size 

Removes unnecessary calls to blf_glyph_cache_find, simplifies
blf_font_size, and reduces calls to it. blf_glyph_cache_new
and blf_glyph_cache_find made static.

See D13374 for more details.

Differential Revision: https://developer.blender.org/D13374

Reviewed by Campbell Barton
This commit is contained in:
Harley Acheson 2022-02-04 18:32:32 -08:00
parent b1cee36190
commit 835dd95046
5 changed files with 18 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
source/blender/blenfont/intern/blf_font.c
View File

@ -1342,35 +1342,25 @@ void blf_font_free(FontBLF *font)
/** \name Font Configure
* \{ */
void blf_font_size(FontBLF *font, float size, unsigned int dpi)
bool blf_font_size(FontBLF *font, float size, unsigned int dpi)
{
blf_glyph_cache_acquire(font);
/* FreeType uses fixed-point integers in 64ths. */
FT_F26Dot6 ft_size = lroundf(size * 64.0f);
/* Adjust our size to be on even 64ths. */
/* Adjust our new size to be on even 64ths. */
size = (float)ft_size / 64.0f;
GlyphCacheBLF *gc = blf_glyph_cache_find(font, size, dpi);
if (gc && (font->size == size && font->dpi == dpi)) {
/* Optimization: do not call FT_Set_Char_Size if size did not change. */
}
else {
const FT_Error err = FT_Set_Char_Size(font->face, 0, ft_size, dpi, dpi);
if (err) {
/* FIXME: here we can go through the fixed size and choice a close one */
printf("The current font don't support the size, %f and dpi, %u\n", size, dpi);
}
else {
if (font->size != size || font->dpi != dpi) {
if (FT_Set_Char_Size(font->face, 0, ft_size, dpi, dpi) == 0) {
font->size = size;
font->dpi = dpi;
if (gc == NULL) {
blf_glyph_cache_new(font);
}
}
else {
printf("The current font does not support the size, %f and dpi, %u\n", size, dpi);
return false;
}
}
blf_glyph_cache_release(font);
return true;
}
/** \} */

4
source/blender/blenfont/intern/blf_glyph.c
View File

@ -74,7 +74,7 @@ static FT_Fixed to_16dot16(double val)
/** \name Glyph Cache
* \{ */
GlyphCacheBLF *blf_glyph_cache_find(FontBLF *font, float size, unsigned int dpi)
static GlyphCacheBLF *blf_glyph_cache_find(FontBLF *font, float size, unsigned int dpi)
{
GlyphCacheBLF *gc = (GlyphCacheBLF *)font->cache.first;
while (gc) {
@ -87,7 +87,7 @@ GlyphCacheBLF *blf_glyph_cache_find(FontBLF *font, float size, unsigned int dpi)
return NULL;
}
GlyphCacheBLF *blf_glyph_cache_new(FontBLF *font)
static GlyphCacheBLF *blf_glyph_cache_new(FontBLF *font)
{
GlyphCacheBLF *gc = (GlyphCacheBLF *)MEM_callocN(sizeof(GlyphCacheBLF), "blf_glyph_cache_new");

14
source/blender/blenfont/intern/blf_internal.h
View File

@ -56,7 +56,11 @@ struct FontBLF *blf_font_new(const char *name, const char *filename);
struct FontBLF *blf_font_new_from_mem(const char *name, const unsigned char *mem, int mem_size);
void blf_font_attach_from_mem(struct FontBLF *font, const unsigned char *mem, int mem_size);
void blf_font_size(struct FontBLF *font, float size, unsigned int dpi);
/**
* Change font's output size. Returns true if successful in changing the size.
*/
bool blf_font_size(struct FontBLF *font, float size, unsigned int dpi);
void blf_font_draw(struct FontBLF *font,
const char *str,
size_t str_len,
@ -134,14 +138,6 @@ int blf_font_count_missing_chars(struct FontBLF *font,
void blf_font_free(struct FontBLF *font);
/**
* Find a glyph cache that matches a size, DPI & styles.
*/
struct GlyphCacheBLF *blf_glyph_cache_find(struct FontBLF *font, float size, unsigned int dpi);
/**
* Create a new glyph cache for the current size, DPI & styles.
*/
struct GlyphCacheBLF *blf_glyph_cache_new(struct FontBLF *font);
struct GlyphCacheBLF *blf_glyph_cache_acquire(struct FontBLF *font);
void blf_glyph_cache_release(struct FontBLF *font);
void blf_glyph_cache_clear(struct FontBLF *font);

7
source/blender/blenfont/intern/blf_thumbs.c
View File

@ -61,7 +61,6 @@ void BLF_thumb_preview(const char *filename,
int font_shrink = 4;
FontBLF *font;
GlyphCacheBLF *gc;
/* Create a new blender font obj and fill it with default values */
font = blf_font_new("thumb_font", filename);
@ -90,10 +89,8 @@ void BLF_thumb_preview(const char *filename,
const size_t draw_str_i18n_len = strlen(draw_str_i18n);
int draw_str_i18n_nbr = 0;
blf_font_size(font, (float)MAX2(font_size_min, font_size_curr), dpi);
gc = blf_glyph_cache_find(font, font->size, font->dpi);
/* There will be no matching glyph cache if blf_font_size() failed to set font size. */
if (!gc) {
CLAMP_MIN(font_size_curr, font_size_min);
if (!blf_font_size(font, (float)font_size_curr, dpi)) {
break;
}

13
source/blender/editors/interface/interface_style.c
View File

@ -453,15 +453,6 @@ void uiStyleInit(void)
printf("%s: error, no fonts available\n", __func__);
}
}
else {
/* ? just for speed to initialize?
* Yes, this build the glyph cache and create
* the texture.
*/
BLF_size(font->blf_id, 11.0f * U.pixelsize, U.dpi);
BLF_size(font->blf_id, 12.0f * U.pixelsize, U.dpi);
BLF_size(font->blf_id, 14.0f * U.pixelsize, U.dpi);
}
}
if (style == NULL) {
@ -485,8 +476,6 @@ void uiStyleInit(void)
blf_mono_font = BLF_load_mono_default(unique);
}
BLF_size(blf_mono_font, 12.0f * U.pixelsize, 72);
/* Set default flags based on UI preferences (not render fonts) */
{
const int flag_disable = (BLF_MONOCHROME | BLF_HINTING_NONE | BLF_HINTING_SLIGHT |
@ -529,8 +518,6 @@ void uiStyleInit(void)
const bool unique = true;
blf_mono_font_render = BLF_load_mono_default(unique);
}
BLF_size(blf_mono_font_render, 12.0f * U.pixelsize, 72);
}
void UI_fontstyle_set(const uiFontStyle *fs)