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311 lines
7.7 KiB
311 lines
7.7 KiB
/*
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* Copyright 2010 Ole Loots <ole@monochrom.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef WITH_VDI_FONT_DRIVER
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#include <mt_gemx.h>
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#include "atari/plot/plot.h"
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#include "atari/plot/font_vdi.h"
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#include "utils/utf8.h"
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#include "utils/log.h"
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#include "atari/encoding.h"
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//static char * lstr = NULL;
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static int dtor( FONT_PLOTTER self );
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static int str_width( FONT_PLOTTER self,const plot_font_style_t *fstyle, const char * str, size_t length, int * width );
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static int str_split( FONT_PLOTTER self, const plot_font_style_t *fstyle,const char *string,
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size_t length,int x, size_t *char_offset, int *actual_x );
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static int pixel_pos( FONT_PLOTTER self, const plot_font_style_t *fstyle,const char *string,
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size_t length,int x, size_t *char_offset, int *actual_x );
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static int text( FONT_PLOTTER self, int x, int y, const char *text, size_t length, const plot_font_style_t *fstyle );
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static bool init = false;
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static int vdih;
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extern struct s_vdi_sysinfo vdi_sysinfo;
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static inline void atari_to_vdi_str(char *lstr, int length)
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{
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int i, z;
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for (i=z=0; i<length; ) {
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if (((char)lstr[i]==(char)0xC2) && ((char)lstr[i+1] == (char)0xA0)) {
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lstr[z] = ' ';
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lstr[z+1] = ' ';
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i=i+2;
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z=z+2;
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}
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else {
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lstr[z] = lstr[i];
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i++;
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z++;
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}
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}
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}
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int ctor_font_plotter_vdi( FONT_PLOTTER self )
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{
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self->dtor = dtor;
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self->str_width = str_width;
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self->str_split = str_split;
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self->pixel_pos = pixel_pos;
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self->text = text;
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NSLOG(netsurf, INFO, "%s: %s\n", (char *)__FILE__, __FUNCTION__);
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if( !init ) {
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vdih = self->vdi_handle;
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}
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init = true;
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return( 1 );
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}
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static int dtor( FONT_PLOTTER self )
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{
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return( 1 );
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}
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static int str_width( FONT_PLOTTER self,const plot_font_style_t *fstyle, const char * str,
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size_t length, int * width )
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{
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short cw, ch, cellw, cellh;
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short pxsize;
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short fx=0;
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char * lstr = NULL;
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utf8_to_local_encoding(str, length, &lstr);
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assert( lstr != NULL );
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int slen = strlen(lstr);
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atari_to_vdi_str(lstr, slen);
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if( fstyle->flags & FONTF_ITALIC )
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fx |= 4;
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if( fstyle->flags & FONTF_OBLIQUE )
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fx |= 16;
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if( fstyle->weight > 450 )
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fx |= 1;
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vst_effects( self->vdi_handle, fx );
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/* TODO: replace 90 with global dpi setting */
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//pxsize = ceil( (fstyle->size/PLOT_STYLE_SCALE) * 90 / 72 );
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//vst_height( self->vdi_handle, pxsize ,&cw, &ch, &cellw, &cellh);
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pxsize = ceil( (fstyle->size/PLOT_STYLE_SCALE) * 90 );
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vst_point( self->vdi_handle, pxsize, &cw, &ch, &cellw, &cellh);
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/*
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if(slen != utf8_bounded_length(str, length)){
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printf("sl: %d, utl: %d\n ", slen, utf8_bounded_length(str, length));
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printf("s: %s // %s\n", str, lstr );
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}*/
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*width = slen * cellw;
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free((void*)lstr);
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return( 0 );
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}
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static int str_split( FONT_PLOTTER self, const plot_font_style_t * fstyle, const char *string,
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size_t length,int x, size_t *char_offset, int *actual_x )
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{
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short cw, ch, cellw, cellh;
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short pxsize;
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short fx=0;
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char *lstr = NULL;
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size_t slen = 0;
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int last_space_x = 0;
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int last_space_idx = 0;
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size_t nxtchr = 0;
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utf8_to_local_encoding(string, length, &lstr );
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assert( lstr != NULL );
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slen = strlen(lstr);
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atari_to_vdi_str(lstr, slen);
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if( fstyle->flags & FONTF_ITALIC )
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fx |= 4;
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if( fstyle->flags & FONTF_OBLIQUE )
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fx |= 16;
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if( fstyle->weight > 450 )
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fx |= 1;
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vst_effects( self->vdi_handle, fx );
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//pxsize = ceil( (fstyle->size/PLOT_STYLE_SCALE) * 90 / 72 );
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//vst_height( self->vdi_handle, pxsize ,&cw, &ch, &cellw, &cellh);
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pxsize = ceil( (fstyle->size/PLOT_STYLE_SCALE) * 90 );
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vst_point( self->vdi_handle, pxsize, &cw, &ch, &cellw, &cellh);
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*actual_x = 0;
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//*char_offset = 0;
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while (nxtchr < slen) {
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if( lstr[nxtchr] == ' ' ) {
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last_space_x = *actual_x;
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last_space_idx = nxtchr;
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}
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*actual_x += cellw;
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if (*actual_x > x && last_space_idx != 0) {
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*actual_x = last_space_x;
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*char_offset = last_space_idx;
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//printf("at: %s\n", lstr);
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return(0);
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}
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nxtchr++;
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}
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if(nxtchr >= length){
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nxtchr = length-1;
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}
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*char_offset = nxtchr;
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// for( i=0; i<slen; i++) {
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// if( lstr[i] == ' ' ) {
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// last_space_x = *actual_x;
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// last_space_idx = cpos;
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// }
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// if( *actual_x > x ) {
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// *actual_x = last_space_x;
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// *char_offset = last_space_idx;
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// return true;
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// }
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// *actual_x += cellw;
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// cpos++;
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// }
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// *char_offset = cpos;
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free( (void*)lstr );
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return( 0 );
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}
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static int pixel_pos( FONT_PLOTTER self, const plot_font_style_t * fstyle,const char *string,
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size_t length,int x, size_t *char_offset, int *actual_x )
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{
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short cw, ch, cellw, cellh;
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short pxsize=0;
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short fx=0;
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char *lstr = NULL;
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int i=0;
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utf8_to_local_encoding(string, length, &lstr );
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assert( lstr != NULL );
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int slen = strlen(lstr);
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atari_to_vdi_str(lstr, slen);
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if( fstyle->flags & FONTF_ITALIC )
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fx |= 4;
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if( fstyle->flags & FONTF_OBLIQUE )
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fx |= 16;
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if( fstyle->weight > 450 )
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fx |= 1;
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vst_effects(self->vdi_handle, fx);
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pxsize = ceil( (fstyle->size/PLOT_STYLE_SCALE) * 90 / 72 );
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vst_height( self->vdi_handle, pxsize ,&cw, &ch, &cellw, &cellh);
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*actual_x = 0;
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*char_offset = 0;
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for( i=0; i<slen; i++) {
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*actual_x += cellw;
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if( *actual_x > x) {
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*actual_x -= cellw;
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*char_offset = i;
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break;
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}
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}
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free((void*)lstr);
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lstr = NULL;
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return( 0 );
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}
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static inline void vst_rgbcolor( short vdih, uint32_t cin )
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{
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#ifdef WITH_8BPP_SUPPORT
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if( vdi_sysinfo.scr_bpp > 8 ) {
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#endif
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//unsigned short c[4];
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RGB1000 c;
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rgb_to_vdi1000( (unsigned char*)&cin, &c );
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vs_color( vdih, OFFSET_CUSTOM_COLOR, (unsigned short*)&c);
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vst_color( vdih, OFFSET_CUSTOM_COLOR );
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#ifdef WITH_8BPP_SUPPORT
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} else {
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if( vdi_sysinfo.scr_bpp >= 4 )
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vst_color( vdih, RGB_TO_VDI(cin) );
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else
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vst_color( vdih, BLACK );
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}
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#endif
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}
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static int text( FONT_PLOTTER self, int x, int y, const char *text, size_t length,
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const plot_font_style_t *fstyle )
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{
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/* todo: either limit the string to max 80 chars, or use v_ftext instead of v_gtext */
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short cw, ch, cellw, cellh;
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short pxsize=8;
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short fx=0;
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GRECT canvas;
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char *lstr = NULL;
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assert( utf8_to_local_encoding(text, length, &lstr) == NSERROR_OK);
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assert( lstr != NULL );
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int slen = strlen(lstr);
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if(slen > 800){
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lstr[800]=0;
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}
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atari_to_vdi_str(lstr, slen);
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if( fstyle->flags & FONTF_ITALIC )
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fx |= 4;
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if( fstyle->flags & FONTF_OBLIQUE )
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fx |= 4;
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if( fstyle->weight > 450 )
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fx |= 1;
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/* TODO: netsurf uses 90 as default dpi ( somewhere defined in libcss),
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use that value or pass it as arg, to reduce netsurf dependency */
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//pxsize = ceil( (fstyle->size/PLOT_STYLE_SCALE) * 90 / 72 );
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pxsize = ceil( (fstyle->size/PLOT_STYLE_SCALE) * 90 / 72 );
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plot_get_dimensions(&canvas);
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x += canvas.g_x;
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y += canvas.g_y;
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vst_effects( self->vdi_handle, fx );
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vst_alignment(vdih, 0, 0, &cw, &ch );
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vst_point( self->vdi_handle, pxsize, &cw, &ch, &cellw, &cellh);
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//vst_height( self->vdi_handle, pxsize, &cw, &ch, &cellw, &cellh);
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vswr_mode( self->vdi_handle, MD_TRANS );
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vst_rgbcolor(self->vdi_handle, fstyle->foreground);
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if( atari_sysinfo.gdos_FSMC ){
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//printf("\nftext\n");
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v_ftext( self->vdi_handle, x, y, (char*)lstr );
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} else {
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//printf("\ngtext\n");
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v_gtext( self->vdi_handle, x, y, (char*)lstr );
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}
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free( lstr );
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return( 0 );
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}
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#endif
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