diff options
author | Campbell Barton <ideasman42@gmail.com> | 2018-10-11 01:26:53 +0300 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2018-10-11 01:27:29 +0300 |
commit | 0f147bf6d645919e0cc68695923ecec5b2bc8541 (patch) | |
tree | d2fbeca0aa9611bf1b9570e44c167d34323ee0d0 /source/blender/blenkernel/intern/bmfont.c | |
parent | 66738d4aa017203caff067c41e25e28d62c3fd0b (diff) |
Remove image based bitmap font support
Was used in the game engine and is no longer used.
Diffstat (limited to 'source/blender/blenkernel/intern/bmfont.c')
-rw-r--r-- | source/blender/blenkernel/intern/bmfont.c | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/source/blender/blenkernel/intern/bmfont.c b/source/blender/blenkernel/intern/bmfont.c deleted file mode 100644 index b33b07e3a4f..00000000000 --- a/source/blender/blenkernel/intern/bmfont.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): 04-10-2000 frank. - * - * ***** END GPL LICENSE BLOCK ***** - * - */ - -/** \file blender/blenkernel/intern/bmfont.c - * \ingroup bke - */ - - -/** - * Two external functions: - * - * void detectBitmapFont(ImBuf *ibuf) - * detects if an image buffer contains a bitmap font. It makes the - * specific bitmap data which is stored in the bitmap invisible to blender. - * - * void matrixGlyph(ImBuf *ibuf, unsigned short unicode, *float x 7) - * returns all the information about the character (unicode) in the floats - * - * Room for improvement: - * add kerning data in the bitmap - * all calculations in matrixGlyph() are static and could be done during - * initialization - */ - -#include <stdio.h> - -#include "MEM_guardedalloc.h" -#include "IMB_imbuf_types.h" - -#include "BLI_utildefines.h" - -#include "BKE_bmfont.h" -#include "BKE_bmfont_types.h" -#include "BKE_global.h" - -void printfGlyph(bmGlyph *glyph) -{ - printf("unicode: %d '%c'\n", glyph->unicode, glyph->unicode); - printf(" locx: %4d locy: %4d\n", glyph->locx, glyph->locy); - printf(" sizex: %3d sizey: %3d\n", glyph->sizex, glyph->sizey); - printf(" ofsx: %3d ofsy: %3d\n", glyph->ofsx, glyph->ofsy); - printf(" advan: %3d reser: %3d\n", glyph->advance, glyph->reserved); -} - -void calcAlpha(ImBuf *ibuf) -{ - int i; - char *rect; - - if (ibuf) { - rect = (char *) ibuf->rect; - for (i = ibuf->x * ibuf->y; i > 0; i--) { - rect[3] = MAX3(rect[0], rect[1], rect[2]); - rect += 4; - } - } -} - -void readBitmapFontVersion0(ImBuf *ibuf, unsigned char *rect, int step) -{ - int glyphcount, bytes, i, index, linelength, ysize; - unsigned char *buffer; - bmFont *bmfont; - - linelength = ibuf->x * step; - - glyphcount = (rect[6 * step] << 8) | rect[7 * step]; - bytes = ((glyphcount - 1) * sizeof(bmGlyph)) + sizeof(bmFont); - - ysize = (bytes + (ibuf->x - 1)) / ibuf->x; - - if (ysize < ibuf->y) { - /* we're first going to copy all data into a linear buffer. - * step can be 4 or 1 bytes, and the data is not sequential because - * the bitmap was flipped vertically. */ - - buffer = MEM_mallocN(bytes, "readBitmapFontVersion0:buffer"); - - index = 0; - for (i = 0; i < bytes; i++) { - buffer[i] = rect[index]; - index += step; - if (index >= linelength) { - /* we've read one line, no skip to the line *before* that */ - rect -= linelength; - index -= linelength; - } - } - - /* we're now going to endian convert the data */ - - bmfont = MEM_mallocN(bytes, "readBitmapFontVersion0:bmfont"); - index = 0; - - /* first read the header */ - bmfont->magic[0] = buffer[index++]; - bmfont->magic[1] = buffer[index++]; - bmfont->magic[2] = buffer[index++]; - bmfont->magic[3] = buffer[index++]; - bmfont->version = (buffer[index] << 8) | buffer[index + 1]; index += 2; - bmfont->glyphcount = (buffer[index] << 8) | buffer[index + 1]; index += 2; - bmfont->xsize = (buffer[index] << 8) | buffer[index + 1]; index += 2; - bmfont->ysize = (buffer[index] << 8) | buffer[index + 1]; index += 2; - - for (i = 0; i < bmfont->glyphcount; i++) { - bmfont->glyphs[i].unicode = (buffer[index] << 8) | buffer[index + 1]; index += 2; - bmfont->glyphs[i].locx = (buffer[index] << 8) | buffer[index + 1]; index += 2; - bmfont->glyphs[i].locy = (buffer[index] << 8) | buffer[index + 1]; index += 2; - bmfont->glyphs[i].ofsx = buffer[index++]; - bmfont->glyphs[i].ofsy = buffer[index++]; - bmfont->glyphs[i].sizex = buffer[index++]; - bmfont->glyphs[i].sizey = buffer[index++]; - bmfont->glyphs[i].advance = buffer[index++]; - bmfont->glyphs[i].reserved = buffer[index++]; - if (G.debug & G_DEBUG) { - printfGlyph(&bmfont->glyphs[i]); - } - } - - MEM_freeN(buffer); - - if (G.debug & G_DEBUG) { - printf("Oldy = %d Newy = %d\n", ibuf->y, ibuf->y - ysize); - printf("glyphcount = %d\n", glyphcount); - printf("bytes = %d\n", bytes); - } - - /* we've read the data from the image. Now we're going - * to crop the image vertically so only the bitmap data - * remains visible */ - - ibuf->y -= ysize; - ibuf->userdata = bmfont; - ibuf->userflags |= IB_BITMAPFONT; - - if (ibuf->planes < 32) { - /* we're going to fake alpha here: */ - calcAlpha(ibuf); - } - } - else { - printf("readBitmapFontVersion0: corrupted bitmapfont\n"); - } -} - -void detectBitmapFont(ImBuf *ibuf) -{ - unsigned char *rect; - unsigned short version; - int i; - - if (ibuf != NULL && ibuf->rect != NULL) { - /* bitmap must have an x size that is a power of two */ - if (is_power_of_two(ibuf->x)) { - rect = (unsigned char *) (ibuf->rect + (ibuf->x * (ibuf->y - 1))); - /* printf ("starts with: %s %c %c %c %c\n", rect, rect[0], rect[1], rect[2], rect[3]); */ - if (rect[0] == 'B' && rect[1] == 'F' && rect[2] == 'N' && rect[3] == 'T') { - /* printf("found 8bit font !\n"); - * round y size down - * do the 8 bit font stuff. (not yet) */ - } - else { - /* we try all 4 possible combinations */ - for (i = 0; i < 4; i++) { - if (rect[0] == 'B' && rect[4] == 'F' && rect[8] == 'N' && rect[12] == 'T') { - /* printf("found 24bit font !\n"); - * We're going to parse the file: */ - - version = (rect[16] << 8) | rect[20]; - - if (version == 0) { - readBitmapFontVersion0(ibuf, rect, 4); - } - else { - printf("detectBitmapFont :Unsupported version %d\n", (int)version); - } - - /* on success ibuf->userdata points to the bitmapfont */ - if (ibuf->userdata) { - break; - } - } - rect++; - } - } - } - } -} - -int locateGlyph(bmFont *bmfont, unsigned short unicode) -{ - int min, max, current = 0; - - if (bmfont) { - min = 0; - max = bmfont->glyphcount; - while (1) { - /* look halfway for glyph */ - current = (min + max) >> 1; - - if (bmfont->glyphs[current].unicode == unicode) { - break; - } - else if (bmfont->glyphs[current].unicode < unicode) { - /* have to move up */ - min = current; - } - else { - /* have to move down */ - max = current; - } - - if (max - min <= 1) { - /* unable to locate glyph */ - current = 0; - break; - } - } - } - - return(current); -} - -void matrixGlyph( - ImBuf *ibuf, unsigned short unicode, - float *centerx, float *centery, - float *sizex, float *sizey, - float *transx, float *transy, - float *movex, float *movey, - float *advance) -{ - int index; - bmFont *bmfont; - - *centerx = *centery = 0.0; - *sizex = *sizey = 1.0; - *transx = *transy = 0.0; - *movex = *movey = 0.0; - *advance = 1.0; - - if (ibuf) { - bmfont = ibuf->userdata; - if (bmfont && (ibuf->userflags & IB_BITMAPFONT)) { - index = locateGlyph(bmfont, unicode); - if (index) { - - *sizex = (bmfont->glyphs[index].sizex) / (float) (bmfont->glyphs[0].sizex); - *sizey = (bmfont->glyphs[index].sizey) / (float) (bmfont->glyphs[0].sizey); - - *transx = bmfont->glyphs[index].locx / (float) ibuf->x; - *transy = (ibuf->y - bmfont->glyphs[index].locy) / (float) ibuf->y; - - *centerx = bmfont->glyphs[0].locx / (float) ibuf->x; - *centery = (ibuf->y - bmfont->glyphs[0].locy) / (float) ibuf->y; - - /* 2.0 units is the default size of an object */ - - *movey = 1.0f - *sizey + 2.0f * (bmfont->glyphs[index].ofsy - bmfont->glyphs[0].ofsy) / (float) bmfont->glyphs[0].sizey; - *movex = *sizex - 1.0f + 2.0f * (bmfont->glyphs[index].ofsx - bmfont->glyphs[0].ofsx) / (float) bmfont->glyphs[0].sizex; - - *advance = 2.0f * bmfont->glyphs[index].advance / (float) bmfont->glyphs[0].advance; - - // printfGlyph(&bmfont->glyphs[index]); - // printf("%c %d %0.5f %0.5f %0.5f %0.5f %0.5f\n", unicode, index, *sizex, *sizey, *transx, *transy, *advance); - } - } - } -} |