Remove image based bitmap font support

Was used in the game engine and is no longer used.

8 files changed, 0 insertions, 430 deletions

diff --git a/source/blender/blenkernel/BKE_bmfont.h b/source/blender/blenkernel/BKE_bmfont.h
deleted file mode 100644
index 3be84c83892..00000000000
--- a/source/blender/blenkernel/BKE_bmfont.h
+++ /dev/null
@@ -1,61 +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): none yet.
- *
- * ***** END GPL LICENSE BLOCK *****
- */
-#ifndef __BKE_BMFONT_H__
-#define __BKE_BMFONT_H__
-
-/** \file BKE_bmfont.h
- *  \ingroup bke
- *  \since March 2001
- *  \author nzc
- */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct bmGlyph;
-struct ImBuf;
-struct bmFont;
-
-void printfGlyph(struct bmGlyph *glyph);
-void calcAlpha(struct ImBuf *ibuf);
-void readBitmapFontVersion0(struct ImBuf *ibuf,
-                            unsigned char *rect,
-                            int step);
-void detectBitmapFont(struct ImBuf *ibuf);
-int locateGlyph(struct bmFont *bmfont, unsigned short unicode);
-void matrixGlyph(struct ImBuf *ibuf, unsigned short unicode,
-                 float *centerx, float *centery,
-                 float *sizex,   float *sizey,
-                 float *transx,  float *transy,
-                 float *movex,   float *movey, float *advance);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/source/blender/blenkernel/BKE_bmfont_types.h b/source/blender/blenkernel/BKE_bmfont_types.h
deleted file mode 100644
index 31513e4b8f1..00000000000
--- a/source/blender/blenkernel/BKE_bmfont_types.h
+++ /dev/null
@@ -1,58 +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): none yet.
- *
- * ***** END GPL LICENSE BLOCK *****
- */
-#ifndef __BKE_BMFONT_TYPES_H__
-#define __BKE_BMFONT_TYPES_H__
-
-/** \file BKE_bmfont_types.h
- *  \ingroup bke
- *  \since March 2001
- *  \author nzc
- */
-#define is_power_of_two(N) ((N ^ (N - 1)) == (2 * N - 1))
-/*
- * Moved to IMB_imbuf_types.h where it will live close to the ImBuf type.
- * It is used as a userflag bit mask.
- */
-// #define IB_BITMAPFONT 1
-
-typedef struct bmGlyph {
-	unsigned short unicode;
-	short locx, locy;
-	signed char ofsx, ofsy;
-	unsigned char sizex, sizey;
-	unsigned char advance, reserved;
-} bmGlyph;
-
-typedef struct bmFont {
-	char magic[4];
-	short version;
-	short glyphcount;
-	short xsize, ysize;
-	bmGlyph glyphs[1];
-} bmFont;
-
-#endif
diff --git a/source/blender/blenkernel/CMakeLists.txt b/source/blender/blenkernel/CMakeLists.txt
index 7b1af2cb283..77c9df12428 100644
--- a/source/blender/blenkernel/CMakeLists.txt
+++ b/source/blender/blenkernel/CMakeLists.txt
@@ -82,7 +82,6 @@ set(SRC
 	intern/blender_undo.c
 	intern/blender_user_menu.c
 	intern/blendfile.c
-	intern/bmfont.c
 	intern/boids.c
 	intern/bpath.c
 	intern/brush.c
@@ -237,8 +236,6 @@ set(SRC
 	BKE_blender_user_menu.h
 	BKE_blender_version.h
 	BKE_blendfile.h
-	BKE_bmfont.h
-	BKE_bmfont_types.h
 	BKE_boids.h
 	BKE_bpath.h
 	BKE_brush.h
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);
-			}
-		}
-	}
-}
diff --git a/source/blender/blenkernel/intern/image.c b/source/blender/blenkernel/intern/image.c
index 59ce3b4dd8a..b7885e08a60 100644
--- a/source/blender/blenkernel/intern/image.c
+++ b/source/blender/blenkernel/intern/image.c
@@ -68,7 +68,6 @@
 #include "BLI_timecode.h"  /* for stamp timecode format */
 #include "BLI_utildefines.h"
 
-#include "BKE_bmfont.h"
 #include "BKE_colortools.h"
 #include "BKE_global.h"
 #include "BKE_icons.h"
@@ -3450,9 +3449,6 @@ static ImBuf *load_image_single(
 			image_initialize_after_load(ima, ibuf);
 			*r_assign = true;
 
-			/* check if the image is a font image... */
-			detectBitmapFont(ibuf);
-
 			/* make packed file for autopack */
 			if ((has_packed == false) && (G.fileflags & G_AUTOPACK)) {
 				ImagePackedFile *imapf = MEM_mallocN(sizeof(ImagePackedFile), "Image Packefile");
diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index a5ec595177b..685b929ac93 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -62,7 +62,6 @@
 #include "IMB_imbuf.h"
 #include "IMB_imbuf_types.h"
 
-#include "BKE_bmfont.h"
 #include "BKE_colorband.h"
 #include "BKE_global.h"
 #include "BKE_image.h"
diff --git a/source/blender/imbuf/IMB_imbuf_types.h b/source/blender/imbuf/IMB_imbuf_types.h
index 210fd6e86f5..d407845e45d 100644
--- a/source/blender/imbuf/IMB_imbuf_types.h
+++ b/source/blender/imbuf/IMB_imbuf_types.h
@@ -222,12 +222,10 @@ typedef struct ImBuf {
 	struct DDSData dds_data;
 } ImBuf;
 
-/* Moved from BKE_bmfont_types.h because it is a userflag bit mask. */
 /**
  * \brief userflags: Flags used internally by blender for imagebuffers
  */
 
-#define IB_BITMAPFONT			(1 << 0)	/* this image is a font */
 #define IB_BITMAPDIRTY			(1 << 1)	/* image needs to be saved is not the same as filename */
 #define IB_MIPMAP_INVALID		(1 << 2)	/* image mipmaps are invalid, need recreate */
 #define IB_RECT_INVALID			(1 << 3)	/* float buffer changed, needs recreation of byte rect */
diff --git a/source/blender/imbuf/intern/allocimbuf.c b/source/blender/imbuf/intern/allocimbuf.c
index 58554693aeb..f7005d7ee89 100644
--- a/source/blender/imbuf/intern/allocimbuf.c
+++ b/source/blender/imbuf/intern/allocimbuf.c
@@ -155,13 +155,6 @@ void imb_freetilesImBuf(ImBuf *ibuf)
 	ibuf->mall &= ~IB_tiles;
 }
 
-static void imb_free_bitmap_font(ImBuf *ibuf)
-{
-	if (ibuf->userdata && (ibuf->userflags & IB_BITMAPFONT)) {
-		MEM_freeN(ibuf->userdata);
-	}
-}
-
 static void freeencodedbufferImBuf(ImBuf *ibuf)
 {
 	if (ibuf == NULL) return;
@@ -215,7 +208,6 @@ void IMB_freeImBuf(ImBuf *ibuf)
 			imb_freerectImBuf(ibuf);
 			imb_freerectfloatImBuf(ibuf);
 			imb_freetilesImBuf(ibuf);
-			imb_free_bitmap_font(ibuf);
 			IMB_freezbufImBuf(ibuf);
 			IMB_freezbuffloatImBuf(ibuf);
 			freeencodedbufferImBuf(ibuf);