Skip to content

W
wine-winehq
Commit caf0b9c0 authored by Alexandre Julliard's avatar Alexandre Julliard
Browse files
Options

gdi32: Add some helper functions for font matching.

Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 6c5dc58a
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 120 additions and 30 deletions
dlls/gdi32/font.c
View file @ caf0b9c0
......@@ -554,7 +554,7 @@ static void load_gdi_font_subst(void)
/* font families */
struct list font_list = LIST_INIT(font_list);
static struct list font_list = LIST_INIT(font_list);
static struct gdi_font_family *create_family( const WCHAR *name, const WCHAR *second_name )
{
......@@ -592,7 +592,7 @@ static struct gdi_font_family *find_family_from_name( const WCHAR *name )
return NULL;
}
struct gdi_font_family *find_family_from_any_name( const WCHAR *name )
static struct gdi_font_family *find_family_from_any_name( const WCHAR *name )
{
struct gdi_font_family *family;
......@@ -1160,8 +1160,8 @@ struct gdi_font_link *find_gdi_font_link( const WCHAR *name )
return NULL;
}
struct gdi_font_family *find_family_from_font_links( const WCHAR *name, const WCHAR *subst,
FONTSIGNATURE fs )
static struct gdi_font_family *find_family_from_font_links( const WCHAR *name, const WCHAR *subst,
FONTSIGNATURE fs )
{
struct gdi_font_link *link;
struct gdi_font_link_entry *entry;
......@@ -1391,6 +1391,114 @@ static void load_system_links(void)
}
}
/* font matching */
static BOOL can_select_face( const struct gdi_font_face *face, FONTSIGNATURE fs, BOOL can_use_bitmap )
{
struct gdi_font_link *font_link;
if (!face->scalable && !can_use_bitmap) return FALSE;
if (!fs.fsCsb[0]) return TRUE;
if (fs.fsCsb[0] & face->fs.fsCsb[0]) return TRUE;
if (!(font_link = find_gdi_font_link( face->family->family_name ))) return FALSE;
if (fs.fsCsb[0] & font_link->fs.fsCsb[0]) return TRUE;
return FALSE;
}
static struct gdi_font_face *find_best_matching_face( const struct gdi_font_family *family,
const LOGFONTW *lf, FONTSIGNATURE fs,
BOOL can_use_bitmap )
{
struct gdi_font_face *face = NULL, *best = NULL, *best_bitmap = NULL;
unsigned int best_score = 4;
int best_diff = 0;
int it = !!lf->lfItalic;
int bd = lf->lfWeight > 550;
int height = lf->lfHeight;
LIST_FOR_EACH_ENTRY( face, get_family_face_list(family), struct gdi_font_face, entry )
{
int italic = !!(face->ntmFlags & NTM_ITALIC);
int bold = !!(face->ntmFlags & NTM_BOLD);
int score = (italic ^ it) + (bold ^ bd);
if (!can_select_face( face, fs, can_use_bitmap )) continue;
if (score > best_score) continue;
TRACE( "(it=%d, bd=%d) is selected for (it=%d, bd=%d)\n", italic, bold, it, bd );
best_score = score;
best = face;
if (best->scalable && best_score == 0) break;
if (!best->scalable)
{
int diff;
if (height > 0)
diff = height - (signed int)best->size.height;
else
diff = -height - ((signed int)best->size.height - best->size.internal_leading);
if (!best_bitmap ||
(best_diff > 0 && diff >= 0 && diff < best_diff) ||
(best_diff < 0 && diff > best_diff))
{
TRACE( "%d is better for %d diff was %d\n", best->size.height, height, best_diff );
best_diff = diff;
best_bitmap = best;
if (best_score == 0 && best_diff == 0) break;
}
}
}
if (!best) return NULL;
return best->scalable ? best : best_bitmap;
}
struct gdi_font_face *find_matching_face_by_name( const WCHAR *name, const WCHAR *subst, const LOGFONTW *lf,
FONTSIGNATURE fs, BOOL can_use_bitmap )
{
struct gdi_font_family *family;
struct gdi_font_face *face;
family = find_family_from_any_name( name );
if (family && (face = find_best_matching_face( family, lf, fs, can_use_bitmap ))) return face;
if (subst)
{
family = find_family_from_any_name( subst );
if (family && (face = find_best_matching_face( family, lf, fs, can_use_bitmap ))) return face;
}
/* search by full face name */
LIST_FOR_EACH_ENTRY( family, &font_list, struct gdi_font_family, entry )
LIST_FOR_EACH_ENTRY( face, get_family_face_list(family), struct gdi_font_face, entry )
if (!strncmpiW( face->full_name, name, LF_FACESIZE - 1 ) &&
can_select_face( face, fs, can_use_bitmap ))
return face;
if ((family = find_family_from_font_links( name, subst, fs )))
{
if ((face = find_best_matching_face( family, lf, fs, can_use_bitmap ))) return face;
}
return NULL;
}
struct gdi_font_face *find_any_face( const LOGFONTW *lf, FONTSIGNATURE fs,
BOOL can_use_bitmap, BOOL want_vertical )
{
struct gdi_font_family *family;
struct gdi_font_face *face;
/* first try only scalable */
LIST_FOR_EACH_ENTRY( family, &font_list, struct gdi_font_family, entry )
{
if ((family->family_name[0] == '@') == !want_vertical) continue;
if ((face = find_best_matching_face( family, lf, fs, FALSE ))) return face;
}
if (!can_use_bitmap) return NULL;
LIST_FOR_EACH_ENTRY( family, &font_list, struct gdi_font_family, entry )
{
if ((family->family_name[0] == '@') == !want_vertical) continue;
if ((face = find_best_matching_face( family, lf, fs, can_use_bitmap ))) return face;
}
return NULL;
}
/* realized font objects */
#define FIRST_FONT_HANDLE 1
......@@ -1927,31 +2035,13 @@ static UINT get_GSUB_vert_glyph( struct gdi_font *font, UINT glyph )
static void add_child_font( struct gdi_font *font, const WCHAR *family_name )
{
FONTSIGNATURE fs = {{0}};
struct gdi_font *child;
struct gdi_font_family *family;
struct gdi_font_face *child_face, *best_face = NULL;
UINT penalty = 0, new_penalty = 0;
BOOL bold, italic, bd, it;
italic = !!font->lf.lfItalic;
bold = font->lf.lfWeight > FW_MEDIUM;
if (!(family = find_family_from_name( family_name ))) return;
struct gdi_font_face *face;
LIST_FOR_EACH_ENTRY( child_face, get_family_face_list(family), struct gdi_font_face, entry )
{
it = !!(child_face->ntmFlags & NTM_ITALIC);
bd = !!(child_face->ntmFlags & NTM_BOLD);
new_penalty = ( it ^ italic ) + ( bd ^ bold );
if (!best_face || new_penalty < penalty)
{
penalty = new_penalty;
best_face = child_face;
}
}
if (!best_face) return;
if (!(face = find_matching_face_by_name( family_name, NULL, &font->lf, fs, FALSE ))) return;
if (!(child = create_gdi_font( best_face, family_name, &font->lf ))) return;
if (!(child = create_gdi_font( face, family_name, &font->lf ))) return;
child->matrix = font->matrix;
child->can_use_bitmap = font->can_use_bitmap;
child->scale_y = font->scale_y;
......
dlls/gdi32/gdi_private.h
View file @ caf0b9c0
......@@ -450,8 +450,6 @@ struct font_backend_funcs
extern const WCHAR *get_gdi_font_subst( const WCHAR *from_name, int from_charset, int *to_charset ) DECLSPEC_HIDDEN;
extern struct list font_list DECLSPEC_HIDDEN;
extern struct gdi_font_family *find_family_from_any_name( const WCHAR *name ) DECLSPEC_HIDDEN;
extern int add_gdi_face( const WCHAR *family_name, const WCHAR *second_name,
const WCHAR *style, const WCHAR *fullname, const WCHAR *file,
void *data_ptr, SIZE_T data_size, UINT index, FONTSIGNATURE fs,
......@@ -459,9 +457,11 @@ extern int add_gdi_face( const WCHAR *family_name, const WCHAR *second_name,
const struct bitmap_font_size *size ) DECLSPEC_HIDDEN;
extern struct gdi_font_link *find_gdi_font_link( const WCHAR *name ) DECLSPEC_HIDDEN;
extern struct gdi_font_family *find_family_from_font_links( const WCHAR *name, const WCHAR *subst,
FONTSIGNATURE fs ) DECLSPEC_HIDDEN;
extern void create_child_font_list( struct gdi_font *font ) DECLSPEC_HIDDEN;
extern struct gdi_font_face *find_matching_face_by_name( const WCHAR *name, const WCHAR *subst, const LOGFONTW *lf,
FONTSIGNATURE fs, BOOL can_use_bitmap ) DECLSPEC_HIDDEN;
extern struct gdi_font_face *find_any_face( const LOGFONTW *lf, FONTSIGNATURE fs,
BOOL can_use_bitmap, BOOL want_vertical ) DECLSPEC_HIDDEN;
extern void free_gdi_font( struct gdi_font *font ) DECLSPEC_HIDDEN;
extern void cache_gdi_font( struct gdi_font *font ) DECLSPEC_HIDDEN;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment