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(glyph_struct, cache_bitmap): Cache bitmap data, not GDI object which

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is a scarce resource.
This commit is contained in:
Jason Rumney 2000-09-29 21:21:54 +00:00
parent 9127e20e66
commit ebbf77eacd
1 changed files with 27 additions and 6 deletions
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33
src/w32bdf.h
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@ -28,9 +28,29 @@ Boston, MA 02111-1307, USA. */
#define BDF_SECOND_OFFSET_TABLE 0x80
#define BDF_SECOND_OFFSET(x) ((x) & 0x7f)
#define BDF_FIRST_OFFSET(x) (((x) >> 8) | (((x) & 0x80) << 1))
#define BDF_CODEPOINT_MAX (BDF_FIRST_OFFSET_TABLE * BDF_SECOND_OFFSET_TABLE)
#define BDF_CODEPOINT_RANGE_COVER_P(x) (((x) >= 0) && ((x) <= BDF_CODEPOINT_MAX))
#define BDF_FONT_CACHE_SIZE 3000
#define BDF_FONT_CLEAR_SIZE 600
/*
GLYPH METRIC (# ... character's reference point)
^
y | (urx, ury)
| ^ +----------------+
a | b| |character | <- font bounding Box
x | b| | |
i | h| | #(bbox, bboy) |
s | v +----------------+
| (llx, lly)
| <---------------->
| bbw
+----------------------->
origin x axis
*/
#define BDF_FONT_CACHE_SIZE 5000
#define BDF_FONT_CLEAR_SIZE 1000
/* Structure of glyph information of one character. */
typedef struct
@ -42,7 +62,8 @@ typedef struct
typedef struct
{
glyph_metric metric;
int bitmap_size; /* byte lengh of the following slots */
int row_byte_size; /* size in bytes occupied by one row of the bitmap */
int bitmap_size; /* size in bytes of the following slots */
unsigned char *bitmap; /* */
} glyph_struct;
@ -52,7 +73,9 @@ typedef struct
{
glyph_metric metric;
pfont_char psrc;
HBITMAP hbmp;
int row_byte_size;
int bitmap_size;
unsigned char *pbmp;
} cache_bitmap;
typedef struct fchar
@ -69,7 +92,6 @@ typedef struct
unsigned char *font;
unsigned char *seeked;
DWORD size;
font_char *chtbl[BDF_FIRST_OFFSET_TABLE];
int llx, lly, urx, ury; /* Font bounding box */
@ -87,7 +109,6 @@ typedef struct
int pixsz;
} bdffont;
#define BDF_FILE_SIZE_MAX 256*1024*1024 /* 256Mb */
#define BDF_FONT_FILE(font) (((bdffont*)(font))->filename)
#define MAKELENDSHORT(c1, c2) (unsigned short)((c1) | ((c2) << 8))