1398 lines
32 KiB
C
1398 lines
32 KiB
C
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Graphical routines for drawing fonts.
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*
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef macintosh
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#include <fcntl.h>
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#endif
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#include "u_mem.h"
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#include "gr.h"
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#include "grdef.h"
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#include "error.h"
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#include "byteswap.h"
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#include "bitmap.h"
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#include "makesig.h"
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#include "gamefont.h"
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#include "console.h"
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#include "config.h"
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#ifdef OGL
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#include "ogl_init.h"
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#endif
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#define FONTSCALE_X(x) ((float)(x)*(FNTScaleX))
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#define FONTSCALE_Y(x) ((float)(x)*(FNTScaleY))
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#define MAX_OPEN_FONTS 50
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#define FILENAME_LEN 13
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typedef struct openfont {
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char filename[FILENAME_LEN];
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grs_font *ptr;
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char *dataptr;
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} openfont;
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//list of open fonts, for use (for now) for palette remapping
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openfont open_font[MAX_OPEN_FONTS];
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#define BITS_TO_BYTES(x) (((x)+7)>>3)
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int gr_internal_string_clipped(int x, int y, char *s );
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int gr_internal_string_clipped_m(int x, int y, char *s );
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ubyte *find_kern_entry(grs_font *font,ubyte first,ubyte second)
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{
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ubyte *p=font->ft_kerndata;
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while (*p!=255)
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if (p[0]==first && p[1]==second)
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return p;
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else p+=3;
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return NULL;
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}
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//takes the character AFTER being offset into font
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#define INFONT(_c) ((_c >= 0) && (_c <= grd_curcanv->cv_font->ft_maxchar-grd_curcanv->cv_font->ft_minchar))
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//takes the character BEFORE being offset into current font
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void get_char_width(ubyte c,ubyte c2,int *width,int *spacing)
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{
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int letter;
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letter = c-grd_curcanv->cv_font->ft_minchar;
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if (!INFONT(letter)) { //not in font, draw as space
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*width=0;
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if (grd_curcanv->cv_font->ft_flags & FT_PROPORTIONAL)
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*spacing = FONTSCALE_X(grd_curcanv->cv_font->ft_w)/2;
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else
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*spacing = grd_curcanv->cv_font->ft_w;
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return;
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}
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if (grd_curcanv->cv_font->ft_flags & FT_PROPORTIONAL)
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*width = FONTSCALE_X(grd_curcanv->cv_font->ft_widths[letter]);
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else
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*width = grd_curcanv->cv_font->ft_w;
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*spacing = *width;
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if (grd_curcanv->cv_font->ft_flags & FT_KERNED) {
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ubyte *p;
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if (!(c2==0 || c2=='\n')) {
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int letter2 = c2-grd_curcanv->cv_font->ft_minchar;
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if (INFONT(letter2)) {
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p = find_kern_entry(grd_curcanv->cv_font,(ubyte)letter,letter2);
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if (p)
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*spacing = FONTSCALE_X(p[2]);
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}
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}
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}
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}
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// Same as above but works with floats, which is better for string-size measurement while being bad for string composition of course
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void get_char_width_f(ubyte c,ubyte c2,float *width,float *spacing)
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{
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int letter;
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letter = c-grd_curcanv->cv_font->ft_minchar;
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if (!INFONT(letter)) { //not in font, draw as space
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*width=0;
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if (grd_curcanv->cv_font->ft_flags & FT_PROPORTIONAL)
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*spacing = FONTSCALE_X(grd_curcanv->cv_font->ft_w)/2;
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else
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*spacing = grd_curcanv->cv_font->ft_w;
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return;
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}
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if (grd_curcanv->cv_font->ft_flags & FT_PROPORTIONAL)
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*width = FONTSCALE_X(grd_curcanv->cv_font->ft_widths[letter]);
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else
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*width = grd_curcanv->cv_font->ft_w;
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*spacing = *width;
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if (grd_curcanv->cv_font->ft_flags & FT_KERNED) {
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ubyte *p;
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if (!(c2==0 || c2=='\n')) {
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int letter2 = c2-grd_curcanv->cv_font->ft_minchar;
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if (INFONT(letter2)) {
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p = find_kern_entry(grd_curcanv->cv_font,(ubyte)letter,letter2);
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if (p)
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*spacing = FONTSCALE_X(p[2]);
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}
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}
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}
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}
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int get_centered_x(char *s)
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{
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float w,w2,s2;
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for (w=0;*s!=0 && *s!='\n';s++) {
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if (*s<=0x06) {
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if (*s<=0x03)
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s++;
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continue;//skip color codes.
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}
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get_char_width_f(s[0],s[1],&w2,&s2);
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w += s2;
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}
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return ((grd_curcanv->cv_bitmap.bm_w - w) / 2);
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}
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//hack to allow color codes to be embedded in strings -MPM
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//note we subtract one from color, since 255 is "transparent" so it'll never be used, and 0 would otherwise end the string.
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//function must already have orig_color var set (or they could be passed as args...)
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//perhaps some sort of recursive orig_color type thing would be better, but that would be way too much trouble for little gain
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int gr_message_color_level=1;
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#define CHECK_EMBEDDED_COLORS() if ((*text_ptr >= 0x01) && (*text_ptr <= 0x03)) { \
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text_ptr++; \
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if (*text_ptr){ \
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if (gr_message_color_level >= *(text_ptr-1)) \
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grd_curcanv->cv_font_fg_color = (unsigned char)*text_ptr; \
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text_ptr++; \
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} \
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} \
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else if ((*text_ptr >= 0x04) && (*text_ptr <= 0x06)){ \
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if (gr_message_color_level >= *text_ptr - 3) \
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grd_curcanv->cv_font_fg_color=(unsigned char)orig_color; \
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text_ptr++; \
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}
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int gr_internal_string0(int x, int y, char *s )
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{
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unsigned char * fp;
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char * text_ptr, * next_row, * text_ptr1;
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int r, BitMask, i, bits, width, spacing, letter, underline;
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int skip_lines = 0;
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unsigned int VideoOffset, VideoOffset1;
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bits=0;
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VideoOffset1 = y * ROWSIZE + x;
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next_row = s;
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while (next_row != NULL )
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{
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text_ptr1 = next_row;
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next_row = NULL;
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if (x==0x8000) { //centered
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int xx = get_centered_x(text_ptr1);
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VideoOffset1 = y * ROWSIZE + xx;
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}
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for (r=0; r<grd_curcanv->cv_font->ft_h; r++)
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{
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text_ptr = text_ptr1;
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VideoOffset = VideoOffset1;
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while (*text_ptr)
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{
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if (*text_ptr == '\n' )
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{
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next_row = &text_ptr[1];
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break;
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}
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if (*text_ptr == CC_COLOR) {
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grd_curcanv->cv_font_fg_color = (unsigned char)*(text_ptr+1);
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text_ptr += 2;
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continue;
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}
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if (*text_ptr == CC_LSPACING) {
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skip_lines = *(text_ptr+1) - '0';
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text_ptr += 2;
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continue;
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}
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underline = 0;
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if (*text_ptr == CC_UNDERLINE )
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{
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if ((r==grd_curcanv->cv_font->ft_baseline+2) || (r==grd_curcanv->cv_font->ft_baseline+3))
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underline = 1;
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text_ptr++;
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}
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get_char_width(text_ptr[0],text_ptr[1],&width,&spacing);
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letter = (unsigned char)*text_ptr - grd_curcanv->cv_font->ft_minchar;
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if (!INFONT(letter)) { //not in font, draw as space
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VideoOffset += spacing;
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text_ptr++;
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continue;
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}
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if (grd_curcanv->cv_font->ft_flags & FT_PROPORTIONAL)
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fp = grd_curcanv->cv_font->ft_chars[letter];
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else
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fp = grd_curcanv->cv_font->ft_data + letter * BITS_TO_BYTES(width)*grd_curcanv->cv_font->ft_h;
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if (underline)
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for (i=0; i< width; i++ )
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DATA[VideoOffset++] = (unsigned char) grd_curcanv->cv_font_fg_color;
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else
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{
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fp += BITS_TO_BYTES(width)*r;
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BitMask = 0;
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for (i=0; i< width; i++ )
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{
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if (BitMask==0) {
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bits = *fp++;
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BitMask = 0x80;
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}
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if (bits & BitMask)
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DATA[VideoOffset++] = (unsigned char) grd_curcanv->cv_font_fg_color;
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else
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DATA[VideoOffset++] = (unsigned char) grd_curcanv->cv_font_bg_color;
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BitMask >>= 1;
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}
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}
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VideoOffset += spacing-width; //for kerning
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text_ptr++;
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}
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VideoOffset1 += ROWSIZE; y++;
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}
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y += skip_lines;
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VideoOffset1 += ROWSIZE * skip_lines;
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skip_lines = 0;
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}
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return 0;
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}
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int gr_internal_string0m(int x, int y, char *s )
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{
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unsigned char * fp;
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char * text_ptr, * next_row, * text_ptr1;
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int r, BitMask, i, bits, width, spacing, letter, underline;
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int skip_lines = 0;
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unsigned int VideoOffset, VideoOffset1;
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int orig_color=grd_curcanv->cv_font_fg_color;//to allow easy reseting to default string color with colored strings -MPM
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bits = 0;
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VideoOffset1 = y * ROWSIZE + x;
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next_row = s;
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while (next_row != NULL )
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{
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text_ptr1 = next_row;
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next_row = NULL;
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if (x==0x8000) { //centered
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int xx = get_centered_x(text_ptr1);
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VideoOffset1 = y * ROWSIZE + xx;
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}
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for (r=0; r<grd_curcanv->cv_font->ft_h; r++)
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{
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text_ptr = text_ptr1;
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VideoOffset = VideoOffset1;
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while (*text_ptr)
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{
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if (*text_ptr == '\n' )
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{
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next_row = &text_ptr[1];
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break;
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}
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if (*text_ptr == CC_COLOR) {
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grd_curcanv->cv_font_fg_color = (unsigned char)*(text_ptr+1);
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text_ptr += 2;
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continue;
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}
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if (*text_ptr == CC_LSPACING) {
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skip_lines = *(text_ptr+1) - '0';
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text_ptr += 2;
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continue;
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}
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underline = 0;
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if (*text_ptr == CC_UNDERLINE )
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{
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if ((r==grd_curcanv->cv_font->ft_baseline+2) || (r==grd_curcanv->cv_font->ft_baseline+3))
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underline = 1;
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text_ptr++;
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}
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get_char_width(text_ptr[0],text_ptr[1],&width,&spacing);
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letter = (unsigned char)*text_ptr-grd_curcanv->cv_font->ft_minchar;
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if (!INFONT(letter) || (unsigned char) *text_ptr <= 0x06) //not in font, draw as space
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{
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CHECK_EMBEDDED_COLORS() else{
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VideoOffset += spacing;
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text_ptr++;
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}
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continue;
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}
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if (grd_curcanv->cv_font->ft_flags & FT_PROPORTIONAL)
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fp = grd_curcanv->cv_font->ft_chars[letter];
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else
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fp = grd_curcanv->cv_font->ft_data + letter * BITS_TO_BYTES(width)*grd_curcanv->cv_font->ft_h;
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if (underline)
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for (i=0; i< width; i++ )
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DATA[VideoOffset++] = (unsigned int) grd_curcanv->cv_font_fg_color;
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else
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{
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fp += BITS_TO_BYTES(width)*r;
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BitMask = 0;
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for (i=0; i< width; i++ )
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{
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if (BitMask==0) {
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bits = *fp++;
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BitMask = 0x80;
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}
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if (bits & BitMask)
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DATA[VideoOffset++] = (unsigned int) grd_curcanv->cv_font_fg_color;
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else
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VideoOffset++;
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BitMask >>= 1;
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}
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}
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text_ptr++;
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VideoOffset += spacing-width;
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}
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VideoOffset1 += ROWSIZE;
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y++;
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}
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y += skip_lines;
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VideoOffset1 += ROWSIZE * skip_lines;
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skip_lines = 0;
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}
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return 0;
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}
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#ifndef OGL
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//a bitmap for the character
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grs_bitmap char_bm = {
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0,0,0,0, //x,y,w,h
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BM_LINEAR, //type
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BM_FLAG_TRANSPARENT, //flags
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0, //rowsize
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NULL, //data
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#ifdef BITMAP_SELECTOR
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0, //selector
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#endif
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0, //avg_color
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0 //unused
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};
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int gr_internal_color_string(int x, int y, char *s )
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{
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unsigned char * fp;
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char *text_ptr, *next_row, *text_ptr1;
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int width, spacing,letter;
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int xx,yy;
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char_bm.bm_h = grd_curcanv->cv_font->ft_h; //set height for chars of this font
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next_row = s;
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yy = y;
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while (next_row != NULL)
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{
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text_ptr1 = next_row;
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next_row = NULL;
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text_ptr = text_ptr1;
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xx = x;
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if (xx==0x8000) //centered
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xx = get_centered_x(text_ptr);
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while (*text_ptr)
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{
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if (*text_ptr == '\n' )
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{
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next_row = &text_ptr[1];
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yy += grd_curcanv->cv_font->ft_h+FSPACY(1);
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break;
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}
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letter = (unsigned char)*text_ptr - grd_curcanv->cv_font->ft_minchar;
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get_char_width(text_ptr[0],text_ptr[1],&width,&spacing);
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if (!INFONT(letter)) { //not in font, draw as space
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xx += spacing;
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text_ptr++;
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continue;
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}
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if (grd_curcanv->cv_font->ft_flags & FT_PROPORTIONAL)
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fp = grd_curcanv->cv_font->ft_chars[letter];
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else
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fp = grd_curcanv->cv_font->ft_data + letter * BITS_TO_BYTES(width)*grd_curcanv->cv_font->ft_h;
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gr_init_bitmap (&char_bm, BM_LINEAR, 0, 0, width, grd_curcanv->cv_font->ft_h, width, fp);
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gr_bitmapm(xx,yy,&char_bm);
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xx += spacing;
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text_ptr++;
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}
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}
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return 0;
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}
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#else //OGL
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int pow2ize(int x);//from ogl.c
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int get_font_total_width(grs_font * font){
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if (font->ft_flags & FT_PROPORTIONAL){
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int i,w=0,c=font->ft_minchar;
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for (i=0;c<=font->ft_maxchar;i++,c++){
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if (font->ft_widths[i]<0)
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Error("heh?\n");
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w+=font->ft_widths[i];
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}
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return w;
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}else{
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return font->ft_w*(font->ft_maxchar-font->ft_minchar+1);
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}
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}
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void ogl_font_choose_size(grs_font * font,int gap,int *rw,int *rh){
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int nchars = font->ft_maxchar-font->ft_minchar+1;
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int r,x,y,nc=0,smallest=999999,smallr=-1,tries;
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int smallprop=10000;
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int h,w;
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for (h=32;h<=256;h*=2){
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// h=pow2ize(font->ft_h*rows+gap*(rows-1));
|
|
if (font->ft_h>h)continue;
|
|
r=(h/(font->ft_h+gap));
|
|
w=pow2ize((get_font_total_width(font)+(nchars-r)*gap)/r);
|
|
tries=0;
|
|
do {
|
|
if (tries)
|
|
w=pow2ize(w+1);
|
|
if(tries>3){
|
|
break;
|
|
}
|
|
nc=0;
|
|
y=0;
|
|
while(y+font->ft_h<=h){
|
|
x=0;
|
|
while (x<w){
|
|
if (nc==nchars)
|
|
break;
|
|
if (font->ft_flags & FT_PROPORTIONAL){
|
|
if (x+font->ft_widths[nc]+gap>w)break;
|
|
x+=font->ft_widths[nc++]+gap;
|
|
}else{
|
|
if (x+font->ft_w+gap>w)break;
|
|
x+=font->ft_w+gap;
|
|
nc++;
|
|
}
|
|
}
|
|
if (nc==nchars)
|
|
break;
|
|
y+=font->ft_h+gap;
|
|
}
|
|
|
|
tries++;
|
|
}while(nc!=nchars);
|
|
if (nc!=nchars)
|
|
continue;
|
|
|
|
if (w*h==smallest){//this gives squarer sizes priority (ie, 128x128 would be better than 512*32)
|
|
if (w>=h){
|
|
if (w/h<smallprop){
|
|
smallprop=w/h;
|
|
smallest++;//hack
|
|
}
|
|
}else{
|
|
if (h/w<smallprop){
|
|
smallprop=h/w;
|
|
smallest++;//hack
|
|
}
|
|
}
|
|
}
|
|
if (w*h<smallest){
|
|
smallr=1;
|
|
smallest=w*h;
|
|
*rw=w;
|
|
*rh=h;
|
|
}
|
|
}
|
|
if (smallr<=0)
|
|
Error("couldn't fit font?\n");
|
|
}
|
|
|
|
void ogl_init_font(grs_font * font)
|
|
{
|
|
int oglflags = OGL_FLAG_ALPHA;
|
|
int nchars = font->ft_maxchar-font->ft_minchar+1;
|
|
int i,w,h,tw,th,x,y,curx=0,cury=0;
|
|
unsigned char *fp;
|
|
ubyte *data;
|
|
int gap=1; // x/y offset between the chars so we can filter
|
|
|
|
ogl_font_choose_size(font,gap,&tw,&th);
|
|
data=d_malloc(tw*th);
|
|
memset(data, TRANSPARENCY_COLOR, tw * th); // map the whole data with transparency so we won't have borders if using gap
|
|
gr_init_bitmap(&font->ft_parent_bitmap,BM_LINEAR,0,0,tw,th,tw,data);
|
|
gr_set_transparent(&font->ft_parent_bitmap, 1);
|
|
|
|
if (!(font->ft_flags & FT_COLOR))
|
|
oglflags |= OGL_FLAG_NOCOLOR;
|
|
ogl_init_texture(font->ft_parent_bitmap.gltexture = ogl_get_free_texture(), tw, th, oglflags); // have to init the gltexture here so the subbitmaps will find it.
|
|
|
|
font->ft_bitmaps=(grs_bitmap*)d_malloc( nchars * sizeof(grs_bitmap));
|
|
h=font->ft_h;
|
|
|
|
for(i=0;i<nchars;i++)
|
|
{
|
|
if (font->ft_flags & FT_PROPORTIONAL)
|
|
w=font->ft_widths[i];
|
|
else
|
|
w=font->ft_w;
|
|
|
|
if (w<1 || w>256)
|
|
continue;
|
|
|
|
if (curx+w+gap>tw)
|
|
{
|
|
cury+=h+gap;
|
|
curx=0;
|
|
}
|
|
|
|
if (cury+h>th)
|
|
Error("font doesn't really fit (%i/%i)?\n",i,nchars);
|
|
|
|
if (font->ft_flags & FT_COLOR)
|
|
{
|
|
if (font->ft_flags & FT_PROPORTIONAL)
|
|
fp = font->ft_chars[i];
|
|
else
|
|
fp = font->ft_data + i * w*h;
|
|
for (y=0;y<h;y++)
|
|
{
|
|
for (x=0;x<w;x++)
|
|
{
|
|
font->ft_parent_bitmap.bm_data[curx+x+(cury+y)*tw]=fp[x+y*w];
|
|
// Let's call this a HACK:
|
|
// If we filter the fonts, the sliders will be messed up as the border pixels will have an
|
|
// alpha value while filtering. So the slider bitmaps will not look "connected".
|
|
// To prevent this, duplicate the first/last pixel-row with a 1-pixel offset.
|
|
if (gap && i >= 99 && i <= 102)
|
|
{
|
|
// See which bitmaps need left/right shifts:
|
|
// 99 = SLIDER_LEFT - shift RIGHT
|
|
// 100 = SLIDER_RIGHT - shift LEFT
|
|
// 101 = SLIDER_MIDDLE - shift LEFT+RIGHT
|
|
// 102 = SLIDER_MARKER - shift RIGHT
|
|
|
|
// shift left border
|
|
if (x==0 && i != 99 && i != 102)
|
|
font->ft_parent_bitmap.bm_data[(curx+x+(cury+y)*tw)-1]=fp[x+y*w];
|
|
|
|
// shift right border
|
|
if (x==w-1 && i != 100)
|
|
font->ft_parent_bitmap.bm_data[(curx+x+(cury+y)*tw)+1]=fp[x+y*w];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int BitMask,bits=0,white=gr_find_closest_color(63,63,63);
|
|
if (font->ft_flags & FT_PROPORTIONAL)
|
|
fp = font->ft_chars[i];
|
|
else
|
|
fp = font->ft_data + i * BITS_TO_BYTES(w)*h;
|
|
for (y=0;y<h;y++){
|
|
BitMask=0;
|
|
for (x=0; x< w; x++ )
|
|
{
|
|
if (BitMask==0) {
|
|
bits = *fp++;
|
|
BitMask = 0x80;
|
|
}
|
|
|
|
if (bits & BitMask)
|
|
font->ft_parent_bitmap.bm_data[curx+x+(cury+y)*tw]=white;
|
|
else
|
|
font->ft_parent_bitmap.bm_data[curx+x+(cury+y)*tw]=255;
|
|
BitMask >>= 1;
|
|
}
|
|
}
|
|
}
|
|
gr_init_sub_bitmap(&font->ft_bitmaps[i],&font->ft_parent_bitmap,curx,cury,w,h);
|
|
curx+=w+gap;
|
|
}
|
|
ogl_loadbmtexture_f(&font->ft_parent_bitmap, GameCfg.TexFilt);
|
|
}
|
|
|
|
int ogl_internal_string(int x, int y, char *s )
|
|
{
|
|
char * text_ptr, * next_row, * text_ptr1;
|
|
int width, spacing,letter;
|
|
int xx,yy;
|
|
int orig_color=grd_curcanv->cv_font_fg_color;//to allow easy reseting to default string color with colored strings -MPM
|
|
|
|
next_row = s;
|
|
|
|
yy = y;
|
|
|
|
if (grd_curscreen->sc_canvas.cv_bitmap.bm_type != BM_OGL)
|
|
Error("carp.\n");
|
|
while (next_row != NULL)
|
|
{
|
|
text_ptr1 = next_row;
|
|
next_row = NULL;
|
|
|
|
text_ptr = text_ptr1;
|
|
|
|
xx = x;
|
|
|
|
if (xx==0x8000) //centered
|
|
xx = get_centered_x(text_ptr);
|
|
|
|
while (*text_ptr)
|
|
{
|
|
if (*text_ptr == '\n' )
|
|
{
|
|
next_row = &text_ptr[1];
|
|
yy += FONTSCALE_Y(grd_curcanv->cv_font->ft_h)+FSPACY(1);
|
|
break;
|
|
}
|
|
|
|
letter = (unsigned char)*text_ptr - grd_curcanv->cv_font->ft_minchar;
|
|
|
|
get_char_width(text_ptr[0],text_ptr[1],&width,&spacing);
|
|
|
|
if (!INFONT(letter) || (unsigned char)*text_ptr <= 0x06) //not in font, draw as space
|
|
{
|
|
CHECK_EMBEDDED_COLORS() else{
|
|
xx += spacing;
|
|
text_ptr++;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (grd_curcanv->cv_font->ft_flags&FT_COLOR)
|
|
ogl_ubitmapm_cs(xx,yy,FONTSCALE_X(grd_curcanv->cv_font->ft_widths[letter]),FONTSCALE_Y(grd_curcanv->cv_font->ft_h),&grd_curcanv->cv_font->ft_bitmaps[letter],-1,F1_0);
|
|
else{
|
|
if (grd_curcanv->cv_bitmap.bm_type==BM_OGL)
|
|
ogl_ubitmapm_cs(xx,yy,grd_curcanv->cv_font->ft_widths[letter]*(FONTSCALE_X(grd_curcanv->cv_font->ft_w)/grd_curcanv->cv_font->ft_w),FONTSCALE_Y(grd_curcanv->cv_font->ft_h),&grd_curcanv->cv_font->ft_bitmaps[letter],grd_curcanv->cv_font_fg_color,F1_0);
|
|
else
|
|
Error("ogl_internal_string: non-color string to non-ogl dest\n");
|
|
}
|
|
|
|
xx += spacing;
|
|
|
|
text_ptr++;
|
|
}
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int gr_internal_color_string(int x, int y, char *s ){
|
|
return ogl_internal_string(x,y,s);
|
|
}
|
|
#endif //OGL
|
|
|
|
int gr_string(int x, int y, char *s )
|
|
{
|
|
int w, h, aw;
|
|
int clipped=0;
|
|
|
|
Assert(grd_curcanv->cv_font != NULL);
|
|
|
|
if ( x == 0x8000 ) {
|
|
if ( y<0 ) clipped |= 1;
|
|
gr_get_string_size(s, &w, &h, &aw );
|
|
// for x, since this will be centered, only look at
|
|
// width.
|
|
if ( w > grd_curcanv->cv_bitmap.bm_w ) clipped |= 1;
|
|
if ( (y+h) > grd_curcanv->cv_bitmap.bm_h ) clipped |= 1;
|
|
|
|
if ( (y+h) < 0 ) clipped |= 2;
|
|
if ( y > grd_curcanv->cv_bitmap.bm_h ) clipped |= 2;
|
|
|
|
} else {
|
|
if ( (x<0) || (y<0) ) clipped |= 1;
|
|
gr_get_string_size(s, &w, &h, &aw );
|
|
if ( (x+w) > grd_curcanv->cv_bitmap.bm_w ) clipped |= 1;
|
|
if ( (y+h) > grd_curcanv->cv_bitmap.bm_h ) clipped |= 1;
|
|
if ( (x+w) < 0 ) clipped |= 2;
|
|
if ( (y+h) < 0 ) clipped |= 2;
|
|
if ( x > grd_curcanv->cv_bitmap.bm_w ) clipped |= 2;
|
|
if ( y > grd_curcanv->cv_bitmap.bm_h ) clipped |= 2;
|
|
}
|
|
|
|
if ( !clipped )
|
|
return gr_ustring(x, y, s );
|
|
|
|
if ( clipped & 2 ) {
|
|
// Completely clipped...
|
|
return 0;
|
|
}
|
|
|
|
// Partially clipped...
|
|
#ifdef OGL
|
|
if (TYPE==BM_OGL)
|
|
return ogl_internal_string(x,y,s);
|
|
#endif
|
|
|
|
if (grd_curcanv->cv_font->ft_flags & FT_COLOR)
|
|
return gr_internal_color_string( x, y, s);
|
|
|
|
if ( grd_curcanv->cv_font_bg_color == -1)
|
|
return gr_internal_string_clipped_m( x, y, s );
|
|
|
|
return gr_internal_string_clipped( x, y, s );
|
|
}
|
|
|
|
int gr_ustring(int x, int y, char *s )
|
|
{
|
|
#ifdef OGL
|
|
if (TYPE==BM_OGL)
|
|
return ogl_internal_string(x,y,s);
|
|
#endif
|
|
|
|
if (grd_curcanv->cv_font->ft_flags & FT_COLOR) {
|
|
|
|
return gr_internal_color_string(x,y,s);
|
|
|
|
}
|
|
else
|
|
switch( TYPE )
|
|
{
|
|
case BM_LINEAR:
|
|
if ( grd_curcanv->cv_font_bg_color == -1)
|
|
return gr_internal_string0m(x,y,s);
|
|
else
|
|
return gr_internal_string0(x,y,s);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
void gr_get_string_size(char *s, int *string_width, int *string_height, int *average_width )
|
|
{
|
|
int i = 0;
|
|
float width=0.0,spacing=0.0,longest_width=0.0,string_width_f=0.0,string_height_f=0.0;
|
|
|
|
string_height_f = FONTSCALE_Y(grd_curcanv->cv_font->ft_h);
|
|
string_width_f = 0;
|
|
*average_width = grd_curcanv->cv_font->ft_w;
|
|
|
|
if (s != NULL )
|
|
{
|
|
string_width_f = 0;
|
|
while (*s)
|
|
{
|
|
// if (*s == '&')
|
|
// s++;
|
|
while (*s == '\n')
|
|
{
|
|
s++;
|
|
string_height_f += FONTSCALE_Y(grd_curcanv->cv_font->ft_h)+FSPACY(1);
|
|
string_width_f = 0;
|
|
}
|
|
|
|
if (*s == 0) break;
|
|
|
|
get_char_width_f(s[0],s[1],&width,&spacing);
|
|
|
|
string_width_f += spacing;
|
|
|
|
if (string_width_f > longest_width)
|
|
longest_width = string_width_f;
|
|
|
|
i++;
|
|
s++;
|
|
}
|
|
}
|
|
string_width_f = longest_width;
|
|
*string_width = string_width_f;
|
|
*string_height = string_height_f;
|
|
}
|
|
|
|
|
|
int gr_uprintf( int x, int y, char * format, ... )
|
|
{
|
|
char buffer[1000];
|
|
va_list args;
|
|
|
|
va_start(args, format );
|
|
vsprintf(buffer,format,args);
|
|
return gr_ustring( x, y, buffer );
|
|
}
|
|
|
|
int gr_printf( int x, int y, char * format, ... )
|
|
{
|
|
char buffer[1000];
|
|
va_list args;
|
|
|
|
va_start(args, format );
|
|
vsprintf(buffer,format,args);
|
|
return gr_string( x, y, buffer );
|
|
}
|
|
|
|
void gr_close_font( grs_font * font )
|
|
{
|
|
if (font)
|
|
{
|
|
int fontnum;
|
|
char * font_data;
|
|
|
|
//find font in list
|
|
for (fontnum=0;fontnum<MAX_OPEN_FONTS && open_font[fontnum].ptr!=font;fontnum++);
|
|
Assert(fontnum<MAX_OPEN_FONTS); //did we find slot?
|
|
|
|
font_data = open_font[fontnum].dataptr;
|
|
d_free( font_data );
|
|
|
|
open_font[fontnum].ptr = NULL;
|
|
open_font[fontnum].dataptr = NULL;
|
|
|
|
if ( font->ft_chars )
|
|
d_free( font->ft_chars );
|
|
#ifdef OGL
|
|
if (font->ft_bitmaps)
|
|
d_free( font->ft_bitmaps );
|
|
gr_free_bitmap_data(&font->ft_parent_bitmap);
|
|
#endif
|
|
d_free( font );
|
|
|
|
|
|
}
|
|
}
|
|
|
|
//remap (by re-reading) all the color fonts
|
|
void gr_remap_color_fonts()
|
|
{
|
|
int fontnum;
|
|
|
|
for (fontnum=0;fontnum<MAX_OPEN_FONTS;fontnum++) {
|
|
grs_font *font;
|
|
|
|
font = open_font[fontnum].ptr;
|
|
|
|
if (font && (font->ft_flags & FT_COLOR))
|
|
gr_remap_font(font, open_font[fontnum].filename, open_font[fontnum].dataptr);
|
|
}
|
|
}
|
|
|
|
void gr_remap_mono_fonts()
|
|
{
|
|
int fontnum;
|
|
con_printf (CON_DEBUG, "gr_remap_mono_fonts ()\n");
|
|
for (fontnum=0;fontnum<MAX_OPEN_FONTS;fontnum++) {
|
|
grs_font *font;
|
|
font = open_font[fontnum].ptr;
|
|
if (font && !(font->ft_flags & FT_COLOR))
|
|
gr_remap_font(font, open_font[fontnum].filename, open_font[fontnum].dataptr);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* reads a grs_font structure from a PHYSFS_file
|
|
*/
|
|
void grs_font_read(grs_font *gf, PHYSFS_file *fp)
|
|
{
|
|
gf->ft_w = PHYSFSX_readShort(fp);
|
|
gf->ft_h = PHYSFSX_readShort(fp);
|
|
gf->ft_flags = PHYSFSX_readShort(fp);
|
|
gf->ft_baseline = PHYSFSX_readShort(fp);
|
|
gf->ft_minchar = PHYSFSX_readByte(fp);
|
|
gf->ft_maxchar = PHYSFSX_readByte(fp);
|
|
gf->ft_bytewidth = PHYSFSX_readShort(fp);
|
|
gf->ft_data = (ubyte *)(size_t)PHYSFSX_readInt(fp);
|
|
gf->ft_chars = (ubyte **)(size_t)PHYSFSX_readInt(fp);
|
|
gf->ft_widths = (short *)(size_t)PHYSFSX_readInt(fp);
|
|
gf->ft_kerndata = (ubyte *)(size_t)PHYSFSX_readInt(fp);
|
|
}
|
|
|
|
grs_font * gr_init_font( char * fontname )
|
|
{
|
|
static int first_time=1;
|
|
grs_font *font;
|
|
char *font_data;
|
|
int i,fontnum;
|
|
unsigned char * ptr;
|
|
int nchars;
|
|
PHYSFS_file *fontfile;
|
|
char file_id[4];
|
|
int datasize; //size up to (but not including) palette
|
|
|
|
if (first_time) {
|
|
int i;
|
|
for (i=0;i<MAX_OPEN_FONTS;i++)
|
|
{
|
|
open_font[i].ptr = NULL;
|
|
open_font[i].dataptr = NULL;
|
|
}
|
|
first_time=0;
|
|
}
|
|
|
|
//find free font slot
|
|
for (fontnum=0;fontnum<MAX_OPEN_FONTS && open_font[fontnum].ptr!=NULL;fontnum++);
|
|
Assert(fontnum<MAX_OPEN_FONTS); //did we find one?
|
|
|
|
strncpy(open_font[fontnum].filename,fontname,FILENAME_LEN);
|
|
|
|
fontfile = PHYSFSX_openReadBuffered(fontname);
|
|
|
|
if (!fontfile) {
|
|
con_printf(CON_VERBOSE, "Can't open font file %s\n", fontname);
|
|
return NULL;
|
|
}
|
|
|
|
PHYSFS_read(fontfile, file_id, 4, 1);
|
|
if ( !strncmp( file_id, "NFSP", 4 ) ) {
|
|
con_printf(CON_NORMAL, "File %s is not a font file\n", fontname );
|
|
return NULL;
|
|
}
|
|
|
|
datasize = PHYSFSX_readInt(fontfile);
|
|
datasize -= GRS_FONT_SIZE; // subtract the size of the header.
|
|
|
|
MALLOC(font, grs_font, 1);
|
|
grs_font_read(font, fontfile);
|
|
|
|
MALLOC(font_data, char, datasize);
|
|
PHYSFS_read(fontfile, font_data, 1, datasize);
|
|
|
|
open_font[fontnum].ptr = font;
|
|
open_font[fontnum].dataptr = font_data;
|
|
|
|
// make these offsets relative to font_data
|
|
font->ft_data = (ubyte *)((size_t)font->ft_data - GRS_FONT_SIZE);
|
|
font->ft_widths = (short *)((size_t)font->ft_widths - GRS_FONT_SIZE);
|
|
font->ft_kerndata = (ubyte *)((size_t)font->ft_kerndata - GRS_FONT_SIZE);
|
|
|
|
nchars = font->ft_maxchar - font->ft_minchar + 1;
|
|
|
|
if (font->ft_flags & FT_PROPORTIONAL) {
|
|
|
|
font->ft_widths = (short *) &font_data[(size_t)font->ft_widths];
|
|
font->ft_data = (unsigned char *) &font_data[(size_t)font->ft_data];
|
|
font->ft_chars = (unsigned char **)d_malloc( nchars * sizeof(unsigned char *));
|
|
|
|
ptr = font->ft_data;
|
|
|
|
for (i=0; i< nchars; i++ ) {
|
|
font->ft_widths[i] = INTEL_SHORT(font->ft_widths[i]);
|
|
font->ft_chars[i] = ptr;
|
|
if (font->ft_flags & FT_COLOR)
|
|
ptr += font->ft_widths[i] * font->ft_h;
|
|
else
|
|
ptr += BITS_TO_BYTES(font->ft_widths[i]) * font->ft_h;
|
|
}
|
|
|
|
} else {
|
|
|
|
font->ft_data = (unsigned char *) font_data;
|
|
font->ft_chars = NULL;
|
|
font->ft_widths = NULL;
|
|
|
|
ptr = font->ft_data + (nchars * font->ft_w * font->ft_h);
|
|
}
|
|
|
|
if (font->ft_flags & FT_KERNED)
|
|
font->ft_kerndata = (unsigned char *) &font_data[(size_t)font->ft_kerndata];
|
|
|
|
if (font->ft_flags & FT_COLOR) { //remap palette
|
|
ubyte palette[256*3];
|
|
ubyte colormap[256];
|
|
int freq[256];
|
|
|
|
PHYSFS_read(fontfile,palette,3,256); //read the palette
|
|
|
|
build_colormap_good( (ubyte *)&palette, colormap, freq );
|
|
|
|
colormap[TRANSPARENCY_COLOR] = TRANSPARENCY_COLOR; // changed from colormap[255] = 255 to this for macintosh
|
|
|
|
decode_data(font->ft_data, ptr - font->ft_data, colormap, freq );
|
|
|
|
}
|
|
|
|
PHYSFS_close(fontfile);
|
|
|
|
//set curcanv vars
|
|
|
|
grd_curcanv->cv_font = font;
|
|
grd_curcanv->cv_font_fg_color = 0;
|
|
grd_curcanv->cv_font_bg_color = 0;
|
|
|
|
#ifdef OGL
|
|
ogl_init_font(font);
|
|
#endif
|
|
|
|
return font;
|
|
}
|
|
|
|
//remap a font by re-reading its data & palette
|
|
void gr_remap_font( grs_font *font, char * fontname, char *font_data )
|
|
{
|
|
int i;
|
|
int nchars;
|
|
PHYSFS_file *fontfile;
|
|
char file_id[4];
|
|
int datasize; //size up to (but not including) palette
|
|
unsigned char *ptr;
|
|
|
|
if (! (font->ft_flags & FT_COLOR))
|
|
return;
|
|
|
|
fontfile = PHYSFSX_openReadBuffered(fontname);
|
|
|
|
if (!fontfile)
|
|
Error( "Can't open font file %s", fontname );
|
|
|
|
PHYSFS_read(fontfile, file_id, 4, 1);
|
|
if ( !strncmp( file_id, "NFSP", 4 ) )
|
|
Error( "File %s is not a font file", fontname );
|
|
|
|
datasize = PHYSFSX_readInt(fontfile);
|
|
datasize -= GRS_FONT_SIZE; // subtract the size of the header.
|
|
|
|
d_free(font->ft_chars);
|
|
grs_font_read(font, fontfile); // have to reread in case mission hogfile overrides font.
|
|
|
|
PHYSFS_read(fontfile, font_data, 1, datasize); //read raw data
|
|
|
|
// make these offsets relative to font_data
|
|
font->ft_data = (ubyte *)((size_t)font->ft_data - GRS_FONT_SIZE);
|
|
font->ft_widths = (short *)((size_t)font->ft_widths - GRS_FONT_SIZE);
|
|
font->ft_kerndata = (ubyte *)((size_t)font->ft_kerndata - GRS_FONT_SIZE);
|
|
|
|
nchars = font->ft_maxchar - font->ft_minchar + 1;
|
|
|
|
if (font->ft_flags & FT_PROPORTIONAL) {
|
|
|
|
font->ft_widths = (short *) &font_data[(size_t)font->ft_widths];
|
|
font->ft_data = (unsigned char *) &font_data[(size_t)font->ft_data];
|
|
font->ft_chars = (unsigned char **)d_malloc( nchars * sizeof(unsigned char *));
|
|
|
|
ptr = font->ft_data;
|
|
|
|
for (i=0; i< nchars; i++ ) {
|
|
font->ft_widths[i] = INTEL_SHORT(font->ft_widths[i]);
|
|
font->ft_chars[i] = ptr;
|
|
if (font->ft_flags & FT_COLOR)
|
|
ptr += font->ft_widths[i] * font->ft_h;
|
|
else
|
|
ptr += BITS_TO_BYTES(font->ft_widths[i]) * font->ft_h;
|
|
}
|
|
|
|
} else {
|
|
|
|
font->ft_data = (unsigned char *) font_data;
|
|
font->ft_chars = NULL;
|
|
font->ft_widths = NULL;
|
|
|
|
ptr = font->ft_data + (nchars * font->ft_w * font->ft_h);
|
|
}
|
|
|
|
if (font->ft_flags & FT_KERNED)
|
|
font->ft_kerndata = (unsigned char *) &font_data[(size_t)font->ft_kerndata];
|
|
|
|
if (font->ft_flags & FT_COLOR) { //remap palette
|
|
ubyte palette[256*3];
|
|
ubyte colormap[256];
|
|
int freq[256];
|
|
|
|
PHYSFS_read(fontfile,palette,3,256); //read the palette
|
|
|
|
build_colormap_good( (ubyte *)&palette, colormap, freq );
|
|
|
|
colormap[TRANSPARENCY_COLOR] = TRANSPARENCY_COLOR; // changed from colormap[255] = 255 to this for macintosh
|
|
|
|
decode_data(font->ft_data, ptr - font->ft_data, colormap, freq );
|
|
|
|
}
|
|
|
|
PHYSFS_close(fontfile);
|
|
|
|
#ifdef OGL
|
|
if (font->ft_bitmaps)
|
|
d_free( font->ft_bitmaps );
|
|
gr_free_bitmap_data(&font->ft_parent_bitmap);
|
|
|
|
ogl_init_font(font);
|
|
#endif
|
|
}
|
|
|
|
void gr_set_curfont( grs_font * new )
|
|
{
|
|
grd_curcanv->cv_font = new;
|
|
}
|
|
|
|
void gr_set_fontcolor( int fg_color, int bg_color )
|
|
{
|
|
grd_curcanv->cv_font_fg_color = fg_color;
|
|
grd_curcanv->cv_font_bg_color = bg_color;
|
|
}
|
|
|
|
int gr_internal_string_clipped(int x, int y, char *s )
|
|
{
|
|
unsigned char * fp;
|
|
char * text_ptr, * next_row, * text_ptr1;
|
|
int r, BitMask, i, bits, width, spacing, letter, underline;
|
|
int x1 = x, last_x;
|
|
|
|
bits = 0;
|
|
|
|
next_row = s;
|
|
|
|
while (next_row != NULL )
|
|
{
|
|
text_ptr1 = next_row;
|
|
next_row = NULL;
|
|
|
|
x = x1;
|
|
if (x==0x8000) //centered
|
|
x = get_centered_x(text_ptr1);
|
|
|
|
last_x = x;
|
|
|
|
for (r=0; r<grd_curcanv->cv_font->ft_h; r++) {
|
|
text_ptr = text_ptr1;
|
|
x = last_x;
|
|
|
|
while (*text_ptr) {
|
|
if (*text_ptr == '\n' ) {
|
|
next_row = &text_ptr[1];
|
|
break;
|
|
}
|
|
|
|
if (*text_ptr == CC_COLOR) {
|
|
grd_curcanv->cv_font_fg_color = (unsigned char)*(text_ptr+1);
|
|
text_ptr += 2;
|
|
continue;
|
|
}
|
|
|
|
if (*text_ptr == CC_LSPACING) {
|
|
Int3(); // Warning: skip lines not supported for clipped strings.
|
|
text_ptr += 2;
|
|
continue;
|
|
}
|
|
|
|
underline = 0;
|
|
if (*text_ptr == CC_UNDERLINE )
|
|
{
|
|
if ((r==grd_curcanv->cv_font->ft_baseline+2) || (r==grd_curcanv->cv_font->ft_baseline+3))
|
|
underline = 1;
|
|
text_ptr++;
|
|
}
|
|
|
|
get_char_width(text_ptr[0],text_ptr[1],&width,&spacing);
|
|
|
|
letter = (unsigned char)*text_ptr-grd_curcanv->cv_font->ft_minchar;
|
|
|
|
if (!INFONT(letter)) { //not in font, draw as space
|
|
x += spacing;
|
|
text_ptr++;
|
|
continue;
|
|
}
|
|
|
|
if (grd_curcanv->cv_font->ft_flags & FT_PROPORTIONAL)
|
|
fp = grd_curcanv->cv_font->ft_chars[letter];
|
|
else
|
|
fp = grd_curcanv->cv_font->ft_data + letter * BITS_TO_BYTES(width)*grd_curcanv->cv_font->ft_h;
|
|
|
|
if (underline) {
|
|
for (i=0; i< width; i++ ) {
|
|
gr_setcolor(grd_curcanv->cv_font_fg_color);
|
|
gr_pixel( x++, y );
|
|
}
|
|
} else {
|
|
fp += BITS_TO_BYTES(width)*r;
|
|
|
|
BitMask = 0;
|
|
|
|
for (i=0; i< width; i++ ) {
|
|
if (BitMask==0) {
|
|
bits = *fp++;
|
|
BitMask = 0x80;
|
|
}
|
|
if (bits & BitMask)
|
|
gr_setcolor(grd_curcanv->cv_font_fg_color);
|
|
else
|
|
gr_setcolor(grd_curcanv->cv_font_bg_color);
|
|
gr_pixel( x++, y );
|
|
BitMask >>= 1;
|
|
}
|
|
}
|
|
|
|
x += spacing-width; //for kerning
|
|
|
|
text_ptr++;
|
|
}
|
|
y++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int gr_internal_string_clipped_m(int x, int y, char *s )
|
|
{
|
|
unsigned char * fp;
|
|
char * text_ptr, * next_row, * text_ptr1;
|
|
int r, BitMask, i, bits, width, spacing, letter, underline;
|
|
int x1 = x, last_x;
|
|
|
|
bits = 0;
|
|
|
|
next_row = s;
|
|
|
|
while (next_row != NULL )
|
|
{
|
|
text_ptr1 = next_row;
|
|
next_row = NULL;
|
|
|
|
x = x1;
|
|
if (x==0x8000) //centered
|
|
x = get_centered_x(text_ptr1);
|
|
|
|
last_x = x;
|
|
|
|
for (r=0; r<grd_curcanv->cv_font->ft_h; r++) {
|
|
x = last_x;
|
|
|
|
text_ptr = text_ptr1;
|
|
|
|
while (*text_ptr) {
|
|
if (*text_ptr == '\n' ) {
|
|
next_row = &text_ptr[1];
|
|
break;
|
|
}
|
|
|
|
if (*text_ptr == CC_COLOR) {
|
|
grd_curcanv->cv_font_fg_color = (unsigned char)*(text_ptr+1);
|
|
text_ptr += 2;
|
|
continue;
|
|
}
|
|
|
|
if (*text_ptr == CC_LSPACING) {
|
|
Int3(); // Warning: skip lines not supported for clipped strings.
|
|
text_ptr += 2;
|
|
continue;
|
|
}
|
|
|
|
underline = 0;
|
|
if (*text_ptr == CC_UNDERLINE )
|
|
{
|
|
if ((r==grd_curcanv->cv_font->ft_baseline+2) || (r==grd_curcanv->cv_font->ft_baseline+3))
|
|
underline = 1;
|
|
text_ptr++;
|
|
}
|
|
|
|
get_char_width(text_ptr[0],text_ptr[1],&width,&spacing);
|
|
|
|
letter = (unsigned char)*text_ptr-grd_curcanv->cv_font->ft_minchar;
|
|
|
|
if (!INFONT(letter)) { //not in font, draw as space
|
|
x += spacing;
|
|
text_ptr++;
|
|
continue;
|
|
}
|
|
|
|
if (grd_curcanv->cv_font->ft_flags & FT_PROPORTIONAL)
|
|
fp = grd_curcanv->cv_font->ft_chars[letter];
|
|
else
|
|
fp = grd_curcanv->cv_font->ft_data + letter * BITS_TO_BYTES(width)*grd_curcanv->cv_font->ft_h;
|
|
|
|
if (underline) {
|
|
for (i=0; i< width; i++ ) {
|
|
gr_setcolor(grd_curcanv->cv_font_fg_color);
|
|
gr_pixel( x++, y );
|
|
}
|
|
} else {
|
|
fp += BITS_TO_BYTES(width)*r;
|
|
|
|
BitMask = 0;
|
|
|
|
for (i=0; i< width; i++ ) {
|
|
if (BitMask==0) {
|
|
bits = *fp++;
|
|
BitMask = 0x80;
|
|
}
|
|
if (bits & BitMask) {
|
|
gr_setcolor(grd_curcanv->cv_font_fg_color);
|
|
gr_pixel( x++, y );
|
|
} else {
|
|
x++;
|
|
}
|
|
BitMask >>= 1;
|
|
}
|
|
}
|
|
|
|
x += spacing-width; //for kerning
|
|
|
|
text_ptr++;
|
|
}
|
|
y++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|