Module Name: xsrc
Committed By: macallan
Date: Wed Dec 28 16:53:30 UTC 2011
Added Files:
xsrc/local/programs/ttf2wsfont: Makefile main.c
Log Message:
tool to generate anti-aliased fonts for wscons from TTF files
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 xsrc/local/programs/ttf2wsfont/Makefile \
xsrc/local/programs/ttf2wsfont/main.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: xsrc/local/programs/ttf2wsfont/Makefile
diff -u /dev/null xsrc/local/programs/ttf2wsfont/Makefile:1.1
--- /dev/null Wed Dec 28 16:53:30 2011
+++ xsrc/local/programs/ttf2wsfont/Makefile Wed Dec 28 16:53:30 2011
@@ -0,0 +1,14 @@
+# $NetBSD: Makefile,v 1.1 2011/12/28 16:53:30 macallan Exp $
+# @(#)Makefile 8.1 (Berkeley) 5/31/93
+
+PROG= ttf2wsfont
+
+SRCS= main.c
+WARNS= 3
+
+CPPFLAGS+= -DXFREE86_FT2 -I${DESTDIR}${X11INCDIR}/freetype2
+
+LDADD+= -lfreetype
+
+.include <bsd.x11.mk>
+.include <bsd.prog.mk>
Index: xsrc/local/programs/ttf2wsfont/main.c
diff -u /dev/null xsrc/local/programs/ttf2wsfont/main.c:1.1
--- /dev/null Wed Dec 28 16:53:30 2011
+++ xsrc/local/programs/ttf2wsfont/main.c Wed Dec 28 16:53:30 2011
@@ -0,0 +1,159 @@
+#include <stdio.h>
+#include <ctype.h>
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+char cvr[] = " .-+oaOX";
+FT_Library library;
+FT_Face face;
+int baseline, above = 0, below = 0, advance = 0;
+
+int push_size(int);
+
+int
+push_size(int letter)
+{
+ int glyph_index, error;
+ int new_above, new_below, new_advance;
+
+ glyph_index = FT_Get_Char_Index(face, letter);
+ printf("idx: %d\n", glyph_index);
+ error = FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
+ if (error) {
+ printf("wtf?!\n");
+ return -1;
+ }
+ FT_Render_Glyph(face->glyph, FT_RENDER_MODE_NORMAL);
+ printf("%d x %d\n", face->glyph->bitmap.width, face->glyph->bitmap.rows);
+ printf("offset: %d %d\n", face->glyph->bitmap_left, face->glyph->bitmap_top);
+ new_advance = (int)(face->glyph->advance.x >> 6);
+ printf("advance: %d\n", new_advance);
+ new_above = face->glyph->bitmap_top;
+ new_below = face->glyph->bitmap.rows - face->glyph->bitmap_top;
+ if (new_above > above) above = new_above;
+ if (new_below > below) below = new_below;
+ if (new_advance > advance) advance = new_advance;
+ return 0;
+}
+
+int
+main(int argc, char *argv[])
+{
+ int error, glyph_index;
+ int x, y, idx, width_in_bytes, height = 22, cell_height;
+ int width, datalen, didx, i, start, end;
+ FILE *output;
+ uint8_t *fontdata;
+ char fontname[128], filename[128];
+
+ if (argc != 3) {
+ printf("usage: ttf2wsfont some_font.ttf height\n");
+ return 0;
+ }
+
+ sscanf(argv[2], "%d", &height);
+
+ error = FT_Init_FreeType( &library );
+ if (error) {
+ printf("Failed to initialize freefont2\n");
+ return -1;
+ }
+ error = FT_New_Face(library, argv[1], 0, &face );
+ if ( error == FT_Err_Unknown_File_Format ) {
+ printf("unsupported font format\n");
+ return -1;
+ }
+ error = FT_Set_Pixel_Sizes(face, /* handle to face object */
+ 0, /* pixel_width */
+ height - (height / 10) ); /* pixel_height */
+ if (error) {
+ printf("couldn't set character cell size\n");
+ }
+
+ push_size('W');
+ push_size('g');
+ push_size(192);
+ printf("above: %d below: %d advance: %d\n", above, below, advance);
+ width = advance;
+ baseline = above;
+ cell_height = above + below;
+ datalen = 256 * width * cell_height;
+ fontdata = malloc(datalen);
+
+
+ for (i = 0; i < 256; i++) {
+ glyph_index = FT_Get_Char_Index(face, i);
+ FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT);
+ FT_Render_Glyph(face->glyph, FT_RENDER_MODE_NORMAL);
+ width_in_bytes = face->glyph->bitmap.width;
+ start = baseline - face->glyph->bitmap_top;
+ end = start + face->glyph->bitmap.rows;
+ if (end > cell_height)
+ end = cell_height;
+ idx = 0;
+ if (start < 0) {
+ idx += (0 - start) * width_in_bytes;
+ start = 0;
+ }
+ didx = i * width * cell_height + /* character cell */
+ start * width + /* pixels above baseline */
+ face->glyph->bitmap_left; /* pixels left from border */
+ memset(&fontdata[i * width * cell_height], 0, width * cell_height);
+ for (y = start; y < end; y++) {
+ for (x = 0; x < width_in_bytes; x++) {
+ fontdata[didx + x] = face->glyph->bitmap.buffer[idx + x];
+ }
+ idx += width_in_bytes;
+ didx += width;
+ }
+ }
+
+ /* now output as a header file */
+ snprintf(fontname, 128, "%s_%dx%d", face->family_name, width, cell_height);
+ for (i = 0; i < strlen(fontname); i++) {
+ if (isblank(fontname[i]))
+ fontname[i]='_';
+ }
+ snprintf(filename, 128, "%s.h", fontname);
+ if ((output = fopen(filename, "w")) == NULL) {
+ fprintf(stderr, "Can't open output file %s\n", filename);
+ return -1;
+ }
+ fprintf(output, "static u_char %s_data[];\n", fontname);
+ fprintf(output, "\n");
+ fprintf(output, "static struct wsdisplay_font %s = {\n", fontname);
+ fprintf(output, "\t\"%s\",\t\t\t/* typeface name */\n", face->family_name);
+ fprintf(output, "\t0,\t\t\t\t/* firstchar */\n");
+ fprintf(output, "\t255 - 0 + 1,\t\t\t/* numchar */\n");
+ fprintf(output, "\tWSDISPLAY_FONTENC_ISO,\t\t/* encoding */\n");
+ fprintf(output, "\t%d,\t\t\t\t/* width */\n", width);
+ fprintf(output, "\t%d,\t\t\t\t/* height */\n", cell_height);
+ fprintf(output, "\t%d,\t\t\t\t/* stride */\n", width);
+ fprintf(output, "\tWSDISPLAY_FONTORDER_L2R,\t/* bit order */\n");
+ fprintf(output, "\tWSDISPLAY_FONTORDER_L2R,\t/* byte order */\n");
+ fprintf(output, "\t%s_data\t\t/* data */\n", fontname);
+ fprintf(output, "};\n\n");
+ fprintf(output, "static u_char %s_data[] = {\n", fontname);
+ for (i = 0; i < 256; i++) {
+ fprintf(output, "\t/* %d */\n", i);
+ idx = i * width * cell_height;
+ for (y = 0; y < cell_height; y++) {
+ for (x = 0; x < width; x++) {
+ fprintf(output, "0x%02x, ",fontdata[idx + x]);
+ }
+ fprintf(output, "/* ");
+ for (x = 0; x < width; x++) {
+ fprintf(output, "%c",cvr[fontdata[idx + x] >> 5]);
+ }
+ fprintf(output, " */\n");
+
+ idx += width;
+ }
+ }
+ fprintf(output, "};\n");
+ fclose(output);
+ free(fontdata);
+ FT_Done_Face(face);
+ FT_Done_FreeType(library);
+}
