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-rw-r--r--fonttosfnt.c8
-rw-r--r--man/fonttosfnt.man6
-rw-r--r--read.c62
3 files changed, 68 insertions, 8 deletions
diff --git a/fonttosfnt.c b/fonttosfnt.c
index 90d3d95..062ef3e 100644
--- a/fonttosfnt.c
+++ b/fonttosfnt.c
@@ -40,7 +40,7 @@ usage(void)
fprintf(stderr, "Usage:\n");
fprintf(stderr,
"fonttosfnt [ -v ] [ -c ] [ -b ] [ -r ] [ -g n ] [ -m n ] -o font.otb "
- "[ -- ] font ...\n");
+ "[ -- ] [ font ] ...\n");
}
int
@@ -106,7 +106,11 @@ main(int argc, char **argv)
font = makeFont();
- while(i < argc) {
+ if(i == argc) {
+ rc = readFile(NULL, font);
+ if(rc != 0)
+ exit(1);
+ } else while(i < argc) {
rc = readFile(argv[i], font);
if(rc != 0)
exit(1);
diff --git a/man/fonttosfnt.man b/man/fonttosfnt.man
index 6b1fd71..473b87c 100644
--- a/man/fonttosfnt.man
+++ b/man/fonttosfnt.man
@@ -11,11 +11,13 @@ fonttosfnt \- Wrap a bitmap font in a sfnt (OpenType) wrapper
.I file.otb
[
.B \-\-
-]
-.IR font ...
+] [
+.IR font
+] ...
.SH DESCRIPTION
Wrap a bitmap font or a set of bitmap fonts in a sfnt (TrueType or
OpenType) wrapper.
+If no font is specified, a BDF font is read from standard input (stdin).
.SH OPTIONS
.TP
.B \-v
diff --git a/read.c b/read.c
index 01dd223..a22ce41 100644
--- a/read.c
+++ b/read.c
@@ -27,6 +27,7 @@ THE SOFTWARE.
#include <ft2build.h>
#include FT_FREETYPE_H
+#include FT_MODULE_H
#include FT_BDF_H
#include "X11/Xos.h"
#include "fonttosfnt.h"
@@ -36,6 +37,8 @@ THE SOFTWARE.
#define CEIL2(x, y) (FLOOR2((x) + (y) - 1, (y)))
#define FT_Pos_DOWN(x) (FLOOR2((x),64))
#define FT_Pos_UP(x) (CEIL2((x), 64))
+#define MIN(x, y) (((x) <= (y)) ? (x) : (y))
+#define STREAM_FILE(stream) ((FILE*)stream->descriptor.pointer)
static int ft_inited = 0;
static FT_Library ft_library;
@@ -55,11 +58,45 @@ FT_Ensure_Inited(void)
return 0;
}
+static unsigned long
+forwardRead(FT_Stream stream, unsigned long offset, unsigned char *buffer,
+ unsigned long count) {
+ unsigned char skip_buffer[BUFSIZ];
+ unsigned long skip_count;
+ FILE *file = STREAM_FILE(stream);
+
+ /* We may be asked to skip forward, but by not doing so we increase our
+ chance of survival. */
+ if(count == 0)
+ return ferror(file) == 0 ? 0 : 1;
+
+ if(offset < stream->pos) {
+ fprintf(stderr, "Cannot move backward in input stream.\n");
+ return 0;
+ }
+ while((skip_count = MIN(BUFSIZ, offset - stream->pos))) {
+ if(fread(skip_buffer, sizeof(*skip_buffer), skip_count, file) <
+ skip_count)
+ return 0;
+ stream->pos += sizeof(*skip_buffer) * skip_count;
+ }
+
+ return (unsigned long)fread(buffer, sizeof(*buffer), count, file);
+}
+
+static void
+streamClose(FT_Stream stream) {
+ fclose(STREAM_FILE(stream));
+ stream->descriptor.pointer = NULL;
+ stream->size = 0;
+}
+
int
readFile(char *filename, FontPtr font)
{
int j, k, index;
int rc;
+ FT_Open_Args input = { 0 };
FT_Face face;
StrikePtr strike;
BitmapPtr bitmap;
@@ -74,9 +111,25 @@ readFile(char *filename, FontPtr font)
if(rc != 0)
return rc;
- rc = FT_New_Face(ft_library, filename, 0, &face);
+ if(filename != NULL) {
+ input.pathname = filename;
+ input.flags = FT_OPEN_PATHNAME;
+ } else {
+ input.flags = FT_OPEN_STREAM | FT_OPEN_DRIVER;
+ input.driver = FT_Get_Module(ft_library, "bdf");
+ input.stream = calloc(1, sizeof(FT_StreamRec));
+ if(input.stream == NULL)
+ return -1;
+
+ input.stream->size = 0x7FFFFFFF;
+ input.stream->descriptor.pointer = stdin;
+ input.stream->read = forwardRead;
+ input.stream->close = streamClose;
+ }
+ rc = FT_Open_Face(ft_library, &input, 0, &face);
if(rc != 0) {
- fprintf(stderr, "Couldn't open face %s.\n", filename);
+ fprintf(stderr, "Couldn't open face %s.\n",
+ filename ? filename : "<stdin>");
return -1;
}
@@ -110,8 +163,8 @@ readFile(char *filename, FontPtr font)
if(verbose_flag) {
fprintf(stderr, "%s %s %s: %d sizes%s\n",
- filename, face->family_name, face->style_name,
- face->num_fixed_sizes,
+ filename ? filename : "<stdin>",
+ face->family_name, face->style_name, face->num_fixed_sizes,
symbol ? " (symbol)" : "");
}
@@ -309,6 +362,7 @@ readFile(char *filename, FontPtr font)
}
FT_Done_Face(face);
+ free(input.stream);
j = 0;
for(int i = 0; i < FONT_CODES; i++) {