Image image;
} Font;
+typedef struct sRange
+{
+ unsigned first;
+ unsigned last;
+} Range;
+
+typedef int bool;
+
void usage(void);
+int convert_numeric_option(char, int);
+void convert_code_point_range(char, Range *);
+unsigned str_to_code_point(const char *, char **);
+void convert_size(char, unsigned *, unsigned *);
unsigned round_to_pot(unsigned);
void *alloc_image_data(size_t, size_t);
-int init_font(Font *, FT_Face, unsigned, unsigned, int);
-int render_grid(Font *, unsigned, unsigned, unsigned, int);
+int init_font(Font *, FT_Face, const Range *, unsigned, bool);
+int init_glyphs(Font *, FT_Face, const Range *, bool);
+int render_grid(Font *, unsigned, unsigned, unsigned, bool);
int render_packed(Font *, unsigned, unsigned);
int save_defs(const char *, const Font *);
int save_png(const char *, const Image *, char);
int main(int argc, char **argv)
{
char *fn;
- int begin = 0;
- int end = 255;
- int size = 10;
- int cpl = 0;
- int cellw = 0;
- int cellh = 0;
- char autohinter = 0;
- char seq = 0;
- char alpha = 0;
- char invert = 0;
- char pack = 0;
- int margin = 0;
- int padding = 1;
+ Range *ranges = NULL;
+ unsigned n_ranges = 0;
+ unsigned size = 10;
+ unsigned cpl = 0;
+ unsigned cellw = 0;
+ unsigned cellh = 0;
+ bool autohinter = 0;
+ bool seq = 0;
+ bool alpha = 0;
+ bool invert = 0;
+ bool pack = 0;
+ unsigned margin = 0;
+ unsigned padding = 1;
FT_Library freetype;
FT_Face face;
while((i = getopt(argc, argv, "r:s:l:c:o:atvh?ed:pim:n:")) != -1)
{
- char *ptr;
- int temp;
switch(i)
{
case 'r':
- if(!strcmp(optarg, "all"))
- {
- begin = 0;
- end = 0x110000;
- }
- else
- {
- if(!isdigit(optarg[0]))
- temp = -1;
- else
- {
- temp = strtol(optarg, &ptr, 0);
- if(ptr[0]!=',' || !isdigit(ptr[1]))
- temp = -1;
- }
- if(temp<0)
- {
- printf("Not a valid range: %s\n", optarg);
- exit(1);
- }
- else
- {
- begin = temp;
- end = strtol(ptr+1, NULL, 0);
- }
- }
+ ranges = (Range *)realloc(ranges, (++n_ranges)*sizeof(Range));
+ convert_code_point_range('r', &ranges[n_ranges-1]);
break;
case 's':
- size = strtol(optarg, NULL, 0);
+ size = convert_numeric_option('s', 1);
break;
case 'l':
- cpl = strtol(optarg, NULL, 0);
+ cpl = convert_numeric_option('l', 1);
break;
case 'c':
- if(!strcmp(optarg, "auto"))
- {
- cellw = 0;
- cellh = 0;
- }
- else if(!strcmp(optarg, "autorect"))
- {
- cellw = 0;
- cellh = 1;
- }
- else
- {
- cellw = strtol(optarg, &ptr, 0);
- if(ptr[0]=='x' && isdigit(ptr[1]))
- cellh = strtol(ptr+1, NULL, 0);
- else
- cellh = cellw;
- }
+ convert_size('c', &cellw, &cellh);
break;
case 'o':
out_fn = optarg;
invert = 1;
break;
case 'm':
- margin = strtol(optarg, NULL, 0);
+ margin = convert_numeric_option('m', 0);
break;
case 'n':
- padding = strtol(optarg, NULL, 0);
+ padding = convert_numeric_option('n', 0);
break;
}
}
}
font.size = size;
- err = init_font(&font, face, begin, end, autohinter);
+ err = init_font(&font, face, ranges, n_ranges, autohinter);
if(err)
return 1;
+ if(!font.n_glyphs)
+ {
+ fprintf(stderr, "No glyphs found in the requested range\n");
+ return 1;
+ }
+
if(pack)
err = render_packed(&font, margin, padding);
else
" -h Print this message\n");
}
+int convert_numeric_option(char opt, int min_value)
+{
+ int value;
+ char *ptr;
+
+ value = strtol(optarg, &ptr, 0);
+ if(value<min_value || *ptr)
+ {
+ printf("Invalid option argument in -%c %s\n", opt, optarg);
+ exit(1);
+ }
+
+ return value;
+}
+
+void convert_code_point_range(char opt, Range *range)
+{
+ int value;
+ char *ptr;
+
+ if(!strcmp(optarg, "all"))
+ {
+ range->first = 0;
+ range->last = 0x10FFFF;
+ return;
+ }
+
+ value = str_to_code_point(optarg, &ptr);
+ if(value>0 && *ptr==',')
+ {
+ range->first = value;
+ value = str_to_code_point(ptr+1, &ptr);
+ if(value>0 && !*ptr)
+ {
+ range->last = value;
+ return;
+ }
+ }
+
+ printf("Invalid option argument in -%c %s\n", opt, optarg);
+ exit(1);
+}
+
+unsigned str_to_code_point(const char *nptr, char **endptr)
+{
+ if(nptr[0]=='U' && nptr[1]=='+')
+ return strtoul(nptr+2, endptr, 16);
+ else if(nptr[0]&0x80)
+ {
+ unsigned bytes;
+ unsigned code;
+ unsigned i;
+
+ if(endptr)
+ *endptr = (char *)nptr;
+
+ for(bytes=1; (bytes<4 && (nptr[0]&(0x80>>bytes))); ++bytes)
+ if((nptr[bytes]&0xC0)!=0x80)
+ return 0;
+ if(bytes<2)
+ return 0;
+
+ code = nptr[0]&(0x3F>>bytes);
+ for(i=1; i<bytes; ++i)
+ code = (code<<6)|(nptr[i]&0x3F);
+
+ if(endptr)
+ *endptr = (char *)nptr+bytes;
+
+ return code;
+ }
+ else if(isdigit(nptr[0]))
+ return strtoul(nptr, endptr, 0);
+ else
+ {
+ if(endptr)
+ *endptr = (char *)nptr+1;
+ return *nptr;
+ }
+}
+
+void convert_size(char opt, unsigned *width, unsigned *height)
+{
+ int value;
+ char *ptr;
+
+ if(!strcmp(optarg, "auto"))
+ {
+ *width = 0;
+ *height = 0;
+ return;
+ }
+ else if(!strcmp(optarg, "autorect"))
+ {
+ *width = 0;
+ *height = 1;
+ return;
+ }
+
+ value = strtol(optarg, &ptr, 0);
+ if(value>0)
+ {
+ *width = value;
+ if(*ptr=='x')
+ {
+ value = strtol(ptr+1, &ptr, 0);
+ if(value>0 && !*ptr)
+ {
+ *height = value;
+ return;
+ }
+ }
+ else if(!*ptr)
+ {
+ *height = *width;
+ return;
+ }
+ }
+
+ printf("Invalid option argument in -%c %s\n", opt, optarg);
+ exit(1);
+}
+
unsigned round_to_pot(unsigned n)
{
n -= 1;
return ptr;
}
-int init_font(Font *font, FT_Face face, unsigned first, unsigned last, int autohinter)
+int init_font(Font *font, FT_Face face, const Range *ranges, unsigned n_ranges, bool autohinter)
{
unsigned i, j;
unsigned size = 0;
font->n_glyphs = 0;
font->glyphs = NULL;
- for(i=first; i<=last; ++i)
+ for(i=0; i<n_ranges; ++i)
+ if(init_glyphs(font, face, &ranges[i], autohinter))
+ return -1;
+
+ if(verbose>=1)
+ printf("Loaded %u glyphs\n", font->n_glyphs);
+
+ font->n_kerning = 0;
+ font->kerning = NULL;
+ for(i=0; i<font->n_glyphs; ++i) for(j=0; j<font->n_glyphs; ++j)
+ if(j!=i)
+ {
+ FT_Vector kerning;
+ FT_Get_Kerning(face, font->glyphs[i].index, font->glyphs[j].index, FT_KERNING_DEFAULT, &kerning);
+
+ /* FreeType documentation says that vertical kerning is practically
+ never used, so we ignore it. */
+ if(kerning.x)
+ {
+ Kerning *kern;
+
+ if(font->n_kerning>=size)
+ {
+ size += 16;
+ font->kerning = (Kerning *)realloc(font->kerning, size*sizeof(Kerning));
+ }
+
+ kern = &font->kerning[font->n_kerning++];
+ kern->left_code = font->glyphs[i].code;
+ kern->right_code = font->glyphs[j].code;
+ kern->distance = kerning.x/64;
+ }
+ }
+
+ if(verbose>=1)
+ printf("Loaded %d kerning pairs\n", font->n_kerning);
+
+ return 0;
+}
+
+int init_glyphs(Font *font, FT_Face face, const Range *range, bool autohinter)
+{
+ unsigned i, j;
+ unsigned size = font->n_glyphs;
+
+ for(i=range->first; i<=range->last; ++i)
{
unsigned n;
FT_Bitmap *bmp = &face->glyph->bitmap;
FT_Render_Glyph(face->glyph, FT_RENDER_MODE_NORMAL);
if(verbose>=2)
- printf(" Char %u: glyph %u, size %dx%d\n", i, n, bmp->width, bmp->rows);
+ {
+ printf(" Code point U+%04X", i);
+ if(i>=0x20 && i<0x7F)
+ printf(" (%c)", i);
+ else if(i>=0xA0 && i<=0x10FFFF)
+ {
+ char utf8[5];
+ unsigned bytes;
+
+ for(bytes=2; i>>(1+bytes*5); ++bytes) ;
+ for(j=0; j<bytes; ++j)
+ utf8[j] = 0x80 | ((i>>((bytes-j-1)*6))&0x3F);
+ utf8[0] |= 0xF0<<(4-bytes);
+ utf8[j] = 0;
+
+ printf(" (%s)", utf8);
+ }
+ printf(": glyph %u, size %dx%d\n", n, bmp->width, bmp->rows);
+ }
if(bmp->pixel_mode!=FT_PIXEL_MODE_GRAY)
{
}
}
- if(verbose>=1)
- printf("Loaded %u glyphs\n", font->n_glyphs);
-
- size = 0;
- font->n_kerning = 0;
- font->kerning = NULL;
- for(i=0; i<font->n_glyphs; ++i) for(j=0; j<font->n_glyphs; ++j)
- if(j!=i)
- {
- FT_Vector kerning;
- FT_Get_Kerning(face, font->glyphs[i].index, font->glyphs[j].index, FT_KERNING_DEFAULT, &kerning);
-
- /* FreeType documentation says that vertical kerning is practically
- never used, so we ignore it. */
- if(kerning.x)
- {
- Kerning *kern;
-
- if(font->n_kerning>=size)
- {
- size += 16;
- font->kerning = (Kerning *)realloc(font->kerning, size*sizeof(Kerning));
- }
-
- kern = &font->kerning[font->n_kerning++];
- kern->left_code = font->glyphs[i].code;
- kern->right_code = font->glyphs[j].code;
- kern->distance = kerning.x/64;
- }
- }
-
- if(verbose>=1)
- printf("Loaded %d kerning pairs\n", font->n_kerning);
-
return 0;
}
-int render_grid(Font *font, unsigned cellw, unsigned cellh, unsigned cpl, int seq)
+int render_grid(Font *font, unsigned cellw, unsigned cellh, unsigned cpl, bool seq)
{
unsigned i;
int top = 0, bot = 0;
projects / ttf2png.git / blobdiff