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-rw-r--r--frontends/atari/plot/font_vdi.c310
1 files changed, 310 insertions, 0 deletions
diff --git a/frontends/atari/plot/font_vdi.c b/frontends/atari/plot/font_vdi.c
new file mode 100644
index 000000000..ef5499207
--- /dev/null
+++ b/frontends/atari/plot/font_vdi.c
@@ -0,0 +1,310 @@
+/*
+ * Copyright 2010 Ole Loots <ole@monochrom.net>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef WITH_VDI_FONT_DRIVER
+
+#include <mt_gemx.h>
+
+#include "atari/plot/plot.h"
+#include "atari/plot/font_vdi.h"
+
+#include "utils/utf8.h"
+#include "utils/log.h"
+
+#include "atari/encoding.h"
+
+
+//static char * lstr = NULL;
+
+static int dtor( FONT_PLOTTER self );
+static int str_width( FONT_PLOTTER self,const plot_font_style_t *fstyle, const char * str, size_t length, int * width );
+static int str_split( FONT_PLOTTER self, const plot_font_style_t *fstyle,const char *string,
+ size_t length,int x, size_t *char_offset, int *actual_x );
+static int pixel_pos( FONT_PLOTTER self, const plot_font_style_t *fstyle,const char *string,
+ size_t length,int x, size_t *char_offset, int *actual_x );
+static int text( FONT_PLOTTER self, int x, int y, const char *text, size_t length, const plot_font_style_t *fstyle );
+
+static bool init = false;
+static int vdih;
+
+extern struct s_vdi_sysinfo vdi_sysinfo;
+
+static inline void atari_to_vdi_str(char *lstr, int length)
+{
+ int i, z;
+
+ for (i=z=0; i<length; ) {
+ if (((char)lstr[i]==(char)0xC2) && ((char)lstr[i+1] == (char)0xA0)) {
+ lstr[z] = ' ';
+ lstr[z+1] = ' ';
+ i=i+2;
+ z=z+2;
+ }
+ else {
+ lstr[z] = lstr[i];
+ i++;
+ z++;
+ }
+ }
+}
+
+int ctor_font_plotter_vdi( FONT_PLOTTER self )
+{
+ self->dtor = dtor;
+ self->str_width = str_width;
+ self->str_split = str_split;
+ self->pixel_pos = pixel_pos;
+ self->text = text;
+ LOG("%s: %s\n", (char *)__FILE__, __FUNCTION__);
+ if( !init ) {
+ vdih = self->vdi_handle;
+ }
+ init = true;
+ return( 1 );
+}
+
+static int dtor( FONT_PLOTTER self )
+{
+ return( 1 );
+}
+
+static int str_width( FONT_PLOTTER self,const plot_font_style_t *fstyle, const char * str,
+ size_t length, int * width )
+{
+ short cw, ch, cellw, cellh;
+ short pxsize;
+ short fx=0;
+ char * lstr = NULL;
+
+ utf8_to_local_encoding(str, length, &lstr);
+ assert( lstr != NULL );
+ int slen = strlen(lstr);
+
+
+ atari_to_vdi_str(lstr, slen);
+
+ if( fstyle->flags & FONTF_ITALIC )
+ fx |= 4;
+ if( fstyle->flags & FONTF_OBLIQUE )
+ fx |= 16;
+ if( fstyle->weight > 450 )
+ fx |= 1;
+ vst_effects( self->vdi_handle, fx );
+ /* TODO: replace 90 with global dpi setting */
+ //pxsize = ceil( (fstyle->size/FONT_SIZE_SCALE) * 90 / 72 );
+ //vst_height( self->vdi_handle, pxsize ,&cw, &ch, &cellw, &cellh);
+ pxsize = ceil( (fstyle->size/FONT_SIZE_SCALE) * 90 );
+ vst_point( self->vdi_handle, pxsize, &cw, &ch, &cellw, &cellh);
+/*
+ if(slen != utf8_bounded_length(str, length)){
+ printf("sl: %d, utl: %d\n ", slen, utf8_bounded_length(str, length));
+ printf("s: %s // %s\n", str, lstr );
+ }*/
+
+
+ *width = slen * cellw;
+ free((void*)lstr);
+ return( 0 );
+}
+
+static int str_split( FONT_PLOTTER self, const plot_font_style_t * fstyle, const char *string,
+ size_t length,int x, size_t *char_offset, int *actual_x )
+{
+ short cw, ch, cellw, cellh;
+ short pxsize;
+ short fx=0;
+ char *lstr = NULL;
+ size_t slen = 0;
+ int last_space_x = 0;
+ int last_space_idx = 0;
+ size_t nxtchr = 0;
+
+ utf8_to_local_encoding(string, length, &lstr );
+ assert( lstr != NULL );
+ slen = strlen(lstr);
+
+
+ atari_to_vdi_str(lstr, slen);
+
+ if( fstyle->flags & FONTF_ITALIC )
+ fx |= 4;
+ if( fstyle->flags & FONTF_OBLIQUE )
+ fx |= 16;
+ if( fstyle->weight > 450 )
+ fx |= 1;
+ vst_effects( self->vdi_handle, fx );
+ //pxsize = ceil( (fstyle->size/FONT_SIZE_SCALE) * 90 / 72 );
+ //vst_height( self->vdi_handle, pxsize ,&cw, &ch, &cellw, &cellh);
+
+ pxsize = ceil( (fstyle->size/FONT_SIZE_SCALE) * 90 );
+ vst_point( self->vdi_handle, pxsize, &cw, &ch, &cellw, &cellh);
+ *actual_x = 0;
+ //*char_offset = 0;
+ while (nxtchr < slen) {
+ if( lstr[nxtchr] == ' ' ) {
+ last_space_x = *actual_x;
+ last_space_idx = nxtchr;
+ }
+ *actual_x += cellw;
+ if (*actual_x > x && last_space_idx != 0) {
+ *actual_x = last_space_x;
+ *char_offset = last_space_idx;
+ //printf("at: %s\n", lstr);
+ return(0);
+ }
+
+ nxtchr++;
+ }
+ if(nxtchr >= length){
+ nxtchr = length-1;
+ }
+
+ *char_offset = nxtchr;
+
+// for( i=0; i<slen; i++) {
+// if( lstr[i] == ' ' ) {
+// last_space_x = *actual_x;
+// last_space_idx = cpos;
+// }
+// if( *actual_x > x ) {
+// *actual_x = last_space_x;
+// *char_offset = last_space_idx;
+// return true;
+// }
+// *actual_x += cellw;
+// cpos++;
+// }
+// *char_offset = cpos;
+ free( (void*)lstr );
+ return( 0 );
+}
+
+static int pixel_pos( FONT_PLOTTER self, const plot_font_style_t * fstyle,const char *string,
+ size_t length,int x, size_t *char_offset, int *actual_x )
+{
+ short cw, ch, cellw, cellh;
+ short pxsize=0;
+ short fx=0;
+
+ char *lstr = NULL;
+ int i=0;
+ utf8_to_local_encoding(string, length, &lstr );
+ assert( lstr != NULL );
+ int slen = strlen(lstr);
+
+ atari_to_vdi_str(lstr, slen);
+
+ if( fstyle->flags & FONTF_ITALIC )
+ fx |= 4;
+ if( fstyle->flags & FONTF_OBLIQUE )
+ fx |= 16;
+ if( fstyle->weight > 450 )
+ fx |= 1;
+ vst_effects(self->vdi_handle, fx);
+ pxsize = ceil( (fstyle->size/FONT_SIZE_SCALE) * 90 / 72 );
+ vst_height( self->vdi_handle, pxsize ,&cw, &ch, &cellw, &cellh);
+ *actual_x = 0;
+ *char_offset = 0;
+ for( i=0; i<slen; i++) {
+ *actual_x += cellw;
+ if( *actual_x > x) {
+ *actual_x -= cellw;
+ *char_offset = i;
+ break;
+ }
+ }
+ free((void*)lstr);
+ lstr = NULL;
+ return( 0 );
+}
+
+static inline void vst_rgbcolor( short vdih, uint32_t cin )
+{
+#ifdef WITH_8BPP_SUPPORT
+ if( vdi_sysinfo.scr_bpp > 8 ) {
+#endif
+ //unsigned short c[4];
+ RGB1000 c;
+
+ rgb_to_vdi1000( (unsigned char*)&cin, &c );
+ vs_color( vdih, OFFSET_CUSTOM_COLOR, (unsigned short*)&c);
+ vst_color( vdih, OFFSET_CUSTOM_COLOR );
+#ifdef WITH_8BPP_SUPPORT
+ } else {
+ if( vdi_sysinfo.scr_bpp >= 4 )
+ vst_color( vdih, RGB_TO_VDI(cin) );
+ else
+ vst_color( vdih, BLACK );
+ }
+#endif
+}
+
+static int text( FONT_PLOTTER self, int x, int y, const char *text, size_t length,
+ const plot_font_style_t *fstyle )
+{
+ /* todo: either limit the string to max 80 chars, or use v_ftext instead of v_gtext */
+ short cw, ch, cellw, cellh;
+ short pxsize=8;
+ short fx=0;
+ GRECT canvas;
+ char *lstr = NULL;
+ assert( utf8_to_local_encoding(text, length, &lstr) == NSERROR_OK);
+ assert( lstr != NULL );
+
+ int slen = strlen(lstr);
+ if(slen > 800){
+ lstr[800]=0;
+ }
+
+
+ atari_to_vdi_str(lstr, slen);
+
+ if( fstyle->flags & FONTF_ITALIC )
+ fx |= 4;
+ if( fstyle->flags & FONTF_OBLIQUE )
+ fx |= 4;
+ if( fstyle->weight > 450 )
+ fx |= 1;
+
+ /* TODO: netsurf uses 90 as default dpi ( somewhere defined in libcss),
+ use that value or pass it as arg, to reduce netsurf dependency */
+ //pxsize = ceil( (fstyle->size/FONT_SIZE_SCALE) * 90 / 72 );
+ pxsize = ceil( (fstyle->size/FONT_SIZE_SCALE) * 90 / 72 );
+
+ plot_get_dimensions(&canvas);
+ x += canvas.g_x;
+ y += canvas.g_y;
+ vst_effects( self->vdi_handle, fx );
+ vst_alignment(vdih, 0, 0, &cw, &ch );
+ vst_point( self->vdi_handle, pxsize, &cw, &ch, &cellw, &cellh);
+ //vst_height( self->vdi_handle, pxsize, &cw, &ch, &cellw, &cellh);
+ vswr_mode( self->vdi_handle, MD_TRANS );
+ vst_rgbcolor(self->vdi_handle, fstyle->foreground);
+
+ if( atari_sysinfo.gdos_FSMC ){
+ //printf("\nftext\n");
+ v_ftext( self->vdi_handle, x, y, (char*)lstr );
+ } else {
+ //printf("\ngtext\n");
+ v_gtext( self->vdi_handle, x, y, (char*)lstr );
+ }
+ free( lstr );
+ return( 0 );
+}
+
+#endif
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