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Add support for some simple rendering hints.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@14438 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
alexm 2002-09-14 11:03:41 +00:00
parent a7dc1e41de
commit 0b490cf961
2 changed files with 50 additions and 4 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2002-09-14 13:03 Alexander Malmberg <alexander@malmberg.org>
* Source/art/ftfont.m: Add support for some simple rendering hints
in .nfont packages.
2002-09-12 02:29 Alexander Malmberg <alexander@malmberg.org>
* Source/art/image.m (_image_get_color_rgb_8,

49
Source/art/ftfont.m
View file

@ -67,12 +67,16 @@ from the back-art-subpixel-text defaults key
static int subpixel_text;
@class FTFaceInfo;
@interface FTFontInfo : GSFontInfo <FTFontInfo>
{
const char *filename;
FTC_ImageDesc imgd;
FTC_ImageDesc fallback;
FTFaceInfo *face_info;
}
@end
@ -95,6 +99,17 @@ static NSMutableSet *families_seen, *families_pending;
NSArray *files;
int weight;
unsigned int traits;
/*
hinting hints
0: 1 to use the auto-hinter
1: 1 to use hinting
byte 0 and 1 contain hinting hints for un-antialiased and antialiased
rendering, respectively.
16: 0=un-antialiased by default, 1=antialiased by default
*/
unsigned int render_hints_hack;
}
@end
@ -269,6 +284,14 @@ static void add_face(NSString *family, NSString *face, NSDictionary *d,
traits = [[d objectForKey: @"Traits"] intValue];
fi->traits = traits;
if ([d objectForKey: @"RenderHints_hack"])
{
fi->render_hints_hack=strtol([[d objectForKey: @"RenderHints_hack"] cString],NULL,0);
printf("explicit '%@' -> %i\n",[d objectForKey: @"RenderHints_hack"],fi->render_hints_hack);
}
else
fi->render_hints_hack=0x10002;
NSDebugLLog(@"ftfont", @"adding '%@' '%@'", full_name, fi);
// printf("'%@' fi=|%@|\n", full_name, fi);
@ -481,6 +504,8 @@ static FT_Error ft_get_face(FTC_FaceID fid, FT_Library lib, FT_Pointer data, FT_
name, [fcfg_allFontNames objectAtIndex: 0]);
}
face_info = font_entry;
rfi = font_entry->files;
weight = font_entry->weight;
traits = font_entry->traits;
@ -609,12 +634,28 @@ extern void GSToUnicode();
cur.font.pix_width = xx;
cur.font.pix_height = yy;
if (cur.font.pix_width < 16 && cur.font.pix_height < 16 &&
cur.font.pix_width > 6 && cur.font.pix_height > 6)
cur.type = ftc_image_mono;
if (xx == yy && xx < 16 && xx >= 8)
{
int rh = face_info->render_hints_hack;
if (rh & 0x10000)
{
cur.type = ftc_image_grays;
rh = (rh >> 8) & 0xff;
}
else
{
cur.type = ftc_image_mono;
rh = rh & 0xff;
}
if (rh & 1)
cur.type |= ftc_image_flag_autohinted;
if (!(rh & 2))
cur.type |= ftc_image_flag_unhinted;
}
else if (xx < 8)
cur.type = ftc_image_grays | ftc_image_flag_unhinted;
else
cur.type = ftc_image_grays;
// imgd.type|=|ftc_image_flag_unhinted; /* TODO? when? */
}
else
{