mirror of https://github.com/mpv-player/mpv
285 lines
7.0 KiB
C
285 lines
7.0 KiB
C
/*
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mplayer font creator for central-europe (latin-1 etc) charset
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This program uses gd & freetype2 library to draw each characters then
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write the image to stdout.
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Written by Sunjin Yang <lethean@realtime.ssu.ac.kr> May 03, 2001.
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Modified by Arpad Gereoffy <arpi@thot.banki.hu> Jun 18, 2001.
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*/
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#include <gd.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#define UPSCALE_FACTOR 2
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#define X_ALIGN (8*UPSCALE_FACTOR)
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#define ALIGNED(x) (((x)+(X_ALIGN-1))&(~(X_ALIGN-1)))
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#define DEF_FONT_SIZE 16.0
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#define DEF_CHAR_GAP 6
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#define CHAR_SKIP(gap) (gap / 4)
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#define AUTHOR "Sunjin Yang <lethean@realtime.ssu.ac.kr>"
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#define VERSION "0.1"
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struct code_range {
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int start, end;
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};
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/* basic alphabet character range */
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//static struct code_range ascii_range = { 0x21, 0x7E };
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static struct code_range ascii_range = { 0x20, 0x1FF };
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#ifdef USE_UNIFIED_KOREAN
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/* Unified Hangul Code Encoding */
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static struct code_range first_byte_range[] = {
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{ 0x81, 0xFE }, { 0, 0 }
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};
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static struct code_range second_byte_range[] = {
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{ 0x41, 0x5A }, { 0x61, 0x7A }, { 0x81, 0x9F }, { 0xA0, 0xBF },
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{ 0xC0, 0xDF }, { 0xE0, 0xFE }, { 0, 0 }
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};
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#else
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/* KSX 1001:1992 */
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static struct code_range first_byte_range[] = {
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{ 0xA1, 0xAC }, { 0xB0, 0xFD }, { 0, 0 }
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};
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static struct code_range second_byte_range[] = {
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{ 0xA1, 0xAF }, { 0xB0, 0xBF }, { 0xC0, 0xCF }, { 0xD0, 0xDF },
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{ 0xE0, 0xEF }, { 0xF0, 0xFE }, { 0, 0 }
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};
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#endif
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#define _output(msg...) fprintf(stdout, ##msg)
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/* debugging macros */
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#define _print(msg...) fprintf(stderr, ##msg)
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#define _info(msg...) { _print("mpfc: "); _print(##msg); _print("\n"); }
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#define _abort(msg...) { _info(##msg); exit(1); }
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static double size;
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static int gap,vgap;
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static char *name, *font, *eng_font, *kor_font;
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static int file_index;
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static char filename[20];
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static int base_x, char_count;
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static gdImagePtr char_image[65536];
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static gdImagePtr concat_char_images(void)
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{
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gdImagePtr ret;
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int width, height, i, x,black, white;
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/* get image's width & height */
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height = size + (vgap * 2);
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for (width = 0, i = 0; i < char_count; i++)
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width += ALIGNED(char_image[i]->sx);
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ret = gdImageCreate(width, height);
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/* background color (first allocated) */
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black = gdImageColorResolve(ret, 0, 0, 0);
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// white = gdImageColorResolve(ret, 255, 255, 255);
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for(x=1;x<=255;x++)
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white = gdImageColorResolve(ret, x,x,x);
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width = 0;
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for (i = 0; i < char_count; i++) {
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gdImageCopy(ret, char_image[i], /* dst, src */
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width + 0, 0, /* dstX, dstY */
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0, 0, /* srcX, srcY */
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char_image[i]->sx, char_image[i]->sy); /* size */
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width += ALIGNED(char_image[i]->sx);
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gdImageDestroy(char_image[i]);
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}
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char_count = 0;
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return ret;
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}
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static gdImagePtr create_char_image(int code)
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{
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gdImagePtr im;
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int rect[8], black, white, width, height, x, y;
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char *err;
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char s[10];
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#if 1
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sprintf(s,"&#%d;",code);
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#else
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if(code>=0x100){
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s[0]=code>>8;
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s[1]=code&0xFF;
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s[2]=0;
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} else {
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s[0]=code;
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s[1]=0;
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}
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#endif
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/* obtain border rectangle so that we can size the image. */
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err = gdImageStringTTF(NULL, &rect[0], 0, font, size, .0, 0, 0, s);
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if (err)
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_abort("%s\n", err);
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/* create an image big enough for a string plus a little whitespace. */
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width = rect[2] - rect[6] + gap;
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height = size + (vgap * 2);
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im = gdImageCreate(width, height);
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/* background color (first allocated) */
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black = gdImageColorResolve(im, 0, 0, 0);
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for(x=1;x<=255;x++)
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white = gdImageColorResolve(im, x,x,x);
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// white = gdImageColorResolve(im, 255, 255, 255);
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/* render the string, offset origin to center string.
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note that we use top-left coordinate for adjustment
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since gd origin is in top-left with y increasing downwards. */
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x = (gap / 2) - rect[6];
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y = (vgap) - rect[7] + (size + rect[7]);
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err = gdImageStringTTF(im, &rect[0], white, font, size, .0, x, y, s);
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if (err)
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_abort("%s\n", err);
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//if (*s == '"') _output("'%s' ", s); else _output("\"%s\" ", s);
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_output("0x%x %d %d\n", code,
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(base_x + CHAR_SKIP(gap))/UPSCALE_FACTOR -1,
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(base_x + width - CHAR_SKIP(gap))/UPSCALE_FACTOR - 0);
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base_x += ALIGNED(width);
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// base_x = (base_x+width+7)&(~7); // align to 8-pixel boundary for fast MMX code
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return im;
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}
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void make_charset_font(struct code_range *first, struct code_range *second)
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{
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gdImagePtr im;
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FILE *fd;
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int i, j;
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base_x = 0;
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char_count = 0;
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_output("[files]\n");
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//_output("alpha %s%d_a.raw\n", name, file_index);
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_output("alpha %s%02d_a.raw\n", name, file_index);
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_output("bitmap %s%02d_b.raw\n\n", name, file_index);
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_output("[characters]\n");
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for (i = first->start; i <= first->end; i++) {
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if (!second) {
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char_image[char_count++] = create_char_image(i);
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} else
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for (j = second->start; j <= second->end; j++) {
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char_image[char_count++]= create_char_image((i<<8)|j);
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}
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}
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_output("\n");
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/* concatenate each character images into one image. */
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im = concat_char_images();
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/* get filename and create one with it. */
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sprintf(filename, "%s%02d_b.png", name, file_index++);
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fd = fopen(filename, "w+");
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if (!fd)
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_abort(strerror(errno));
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/* write image to the PNG file. */
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gdImagePng(im, fd);
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fclose(fd);
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/* destroy it */
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gdImageDestroy(im);
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}
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int main(int argc, char **argv)
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{
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int i, j;
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if (argc < 4)
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_abort("usage:%s name eng-ttf kor-ttf [size gap vgap]",argv[0]);
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/* get program parameter like font names, size... */
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name = argv[1];
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eng_font = argv[2];
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kor_font = argv[3];
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size = DEF_FONT_SIZE;
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gap = DEF_CHAR_GAP;
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vgap = DEF_CHAR_GAP;
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if (argc > 4) {
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float __s; sscanf(argv[4], "%f", &__s);
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size = (double)__s;
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}
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if (argc > 5)
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sscanf(argv[5], "%d", &gap);
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if (argc > 6)
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sscanf(argv[6], "%d", &vgap);
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/* write basic font information. */
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_output("[info]\n");
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_output("name \"%s version %s - created by %s\"\n",
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name, VERSION, AUTHOR);
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_output("descversion 1\n");
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_output("spacewidth %d\n", (int)(size / 2));
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_output("charspace -%d\n", CHAR_SKIP(gap) + 1);
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_output("; height %d\n\n", (int)size + DEF_CHAR_GAP);
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/* write general OSD fonts information. */
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_output("[files]\n");
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_output("alpha arpi_osd_a.raw\n");
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_output("bitmap arpi_osd_b.raw\n\n");
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_output("[characters]\n");
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_output("0x01 0 36\n");
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_output("0x02 35 71\n");
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_output("0x03 70 106\n");
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_output("0x04 116 152\n");
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_output("0x05 164 200\n");
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_output("0x06 209 245\n");
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_output("0x07 256 292\n");
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_output("0x08 305 342\n");
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_output("0x09 354 400\n");
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_output("0x0A 407 442\n");
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_output("0x0B 457 494\n");
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_output("[files]\n");
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_output("alpha arpi_progress_a.raw\n");
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_output("bitmap arpi_progress_b.raw\n\n");
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_output("[characters]\n");
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_output("0x10 4 21\n");
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_output("0x11 30 41\n");
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_output("0x12 50 66\n");
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_output("0x13 74 85\n\n");
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file_index = 0;
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/* create basic alphabet character set. */
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font = eng_font;
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make_charset_font(&ascii_range, NULL);
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#if 0
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/* create korean character set. */
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font = kor_font;
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for (i = 0; first_byte_range[i].start != 0; i++)
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for (j = 0; second_byte_range[j].start != 0; j++)
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make_charset_font(&first_byte_range[i], &second_byte_range[j]);
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#endif
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return 0;
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}
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