2 Copyright 2004-2005 Chris Tallon
4 This file is part of VOMP.
6 VOMP is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 VOMP is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with VOMP; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
28 #include "teletxt/txtfont.h"
30 unsigned int interpol_table_fac1[16][22];
31 unsigned int interpol_table_fac2[16][22];
32 unsigned int interpol_table_fac3[16][22];
33 unsigned int interpol_table_fac4[16][22];
34 int interpol_lowbit[16];
35 int interpol_upbit[16];
36 int interpol_lowline[22];
37 int interpol_upline[22];
38 bool pol_table_inited=false;
40 void initpol_tables(){
44 if (Video::getInstance()->getFormat() == Video::PAL)
52 for (int py=0;py<charsizey;py++) {
53 float fposy=((float)(ttcharsizey))/((float)(charsizey))*((float)py);
54 float yweight=fposy-floor(fposy);
55 float yinvweight=1.-yweight;
56 interpol_upline[py]=min((int)(ceil(fposy)),9);
57 interpol_lowline[py]=max((int)(floor(fposy)),0);
58 for (int px=0;px<charsizex;px++) {
59 float fposx=((float)(ttcharsizex))/((float)(charsizex))*((float)px);
60 float xweight=fposx-floor(fposx);
61 float xinvweight=1.-xweight;
62 interpol_upbit[px]= (min((int)ceil(fposx),11));
63 interpol_lowbit[px]= (max((int)floor(fposx),0));
65 interpol_table_fac1[px][py]=xweight*yweight*256.;
66 interpol_table_fac2[px][py]=xinvweight*yweight*256.;
67 interpol_table_fac3[px][py]=xweight*yinvweight*256.;
68 interpol_table_fac4[px][py]=xinvweight*yinvweight*256.;
75 Surface* Surface::screen = NULL;
76 #ifndef GRADIENT_DRAWING
77 osd_font_t* Surface::font = &font_helvB18;
80 Surface::Surface(int id)
82 if (id == SCREEN) screen = this;
89 Surface* Surface::getScreen()
94 int Surface::drawText(const char* text, int x, int y, const DrawStyle& c)
96 return drawText(text, x, y, 2000, c);
98 #ifndef GRADIENT_DRAWING
99 int Surface::drawText(const char* text, int x, int y, int width, const DrawStyle& c)
113 unsigned char c = text[i];
114 unsigned long *character = &font->content[font->offset[c]];
115 int w = font->width[c];
118 for (X=0; (X<w) && (X + cx < width); X++)
122 if ((character[Y] >> (32 - X)) & 0x1)
124 drawPixel(x+X+cx, y+Y, rgba,true);
135 int Surface::drawTextRJ(const char* text, int x, int y, const DrawStyle& c)
142 for (i = 0; i < n; i++)
144 w += font->width[(unsigned char)text[i]];
150 else return drawText(text, x, y, c);
153 int Surface::drawTextCentre(const char* text, int x, int y, const DrawStyle& c)
160 for (i = 0; i < n; i++)
162 w += font->width[(unsigned char)text[i]]; //Characters bigger then 128 can appear
168 else return drawText(text, x, y, c);
171 float Surface::getCharWidth(wchar_t c)
173 return (float)font->width[(unsigned char) c];
176 int Surface::getFontHeight()
178 return font->spacing;
182 wchar_t Surface::getWChar(const char* str, unsigned int *length)
188 //Moved from Teletext view in order to allow device depend optimizations
190 Colour Surface::enumTeletextColorToCoulour(enumTeletextColor ttcol)
194 return Colour(0,0,0);
196 return Colour(255,0,0);
198 return Colour(0,255,0);
200 return Colour(255,255,0);
202 return Colour(0,0,255);
204 return Colour(255,0,255);
206 return Colour(0,255,255);
208 return Colour(255,255,255);
210 return Colour(0,0,0,0);
212 return Colour(127,0,0);
214 return Colour(0,127,0);
216 return Colour(127,127,0);
218 return Colour(0,0,127);
220 return Colour(127,0,127);
222 return Colour(0,127,127);
224 return Colour(127,127,127);
226 return Colour(0,0,0);
232 //Next function inspired by osdteletext plugin
233 void Surface::drawTTChar(int ox, int oy, int x, int y, cTeletextChar c)
235 if (!pol_table_inited){
237 pol_table_inited=true;
239 unsigned int buffer [10];
240 unsigned int * charmap=GetFontChar(c,buffer);
241 if (!charmap) { //invalid char
242 memset(&buffer,0,10);
245 enumTeletextColor ttforegcolour=c.GetFGColor();
246 enumTeletextColor ttbackgcolour=c.GetBGColor();
247 if (c.GetBoxedOut()) {
248 ttforegcolour=ttcTransparent;
249 ttbackgcolour=ttcTransparent;
255 if (Video::getInstance()->getFormat() == Video::PAL)
263 int screenposx=charsizex*x+ox; //12*40= 480 250
264 int screenposy=y*charsizey+oy;
267 // Log::getInstance()->log("Surface", Log::ERR, "TTpos %d %d %d %d %d %d",x,y,ox,oy,screenposx,screenposy);
268 Colour fgcharcl=enumTeletextColorToCoulour(ttforegcolour);
269 Colour bgcharcl=enumTeletextColorToCoulour(ttbackgcolour);
272 for (int py=0;py<charsizey;py++) {
273 int upperbitline=charmap[interpol_upline[py]];
274 int lowerbitline=charmap[interpol_lowline[py]];
275 for (int px=0;px<charsizex;px++) {
276 int upperbit= interpol_upbit[px];
277 int lowerbit= interpol_lowbit[px];
278 Colour uuc=( upperbitline &(0x8000>>upperbit)) ? fgcharcl: bgcharcl;
279 Colour ulc=( upperbitline &(0x8000>>lowerbit)) ? fgcharcl: bgcharcl;
280 Colour luc=( lowerbitline &(0x8000>>upperbit)) ? fgcharcl: bgcharcl;
281 Colour llc=( lowerbitline &(0x8000>>lowerbit)) ? fgcharcl: bgcharcl;
282 unsigned int fac1,fac2,fac3,fac4;
283 fac1=interpol_table_fac1[px][py];
284 fac2=interpol_table_fac2[px][py];
285 fac3=interpol_table_fac3[px][py];
286 fac4=interpol_table_fac4[px][py];
288 Colour res((uuc.red*fac1+ulc.red*fac2+luc.red*fac3+llc.red*fac4)/256,
289 (uuc.green*fac1+ulc.green*fac2+luc.green*fac3+llc.green*fac4)/256,
290 (uuc.blue*fac1+ulc.blue*fac2+luc.blue*fac3+llc.blue*fac4)/256,
291 (uuc.alpha*fac1+ulc.alpha*fac2+luc.alpha*fac3+llc.alpha*fac4)/256); //if this is too slow make a table
292 int c = ( (res.alpha << 24 )
296 drawPixel(screenposx+px,screenposy+py,c, true);
306 void Surface::drawMonoBitmap(UCHAR* base, int dx, int dy, unsigned int height,
307 unsigned int width, DrawStyle& nextColour) {
310 unsigned int bytesIn, bitsIn;
311 int widthBytes=width/8;
312 for (y = 0; y < height; y++) {
313 for (x = 0; x < width; x++) {
314 bytesIn = (y * widthBytes) + (int) (x / 8);
317 if ((base[bytesIn] >> (7 - bitsIn)) & 0x01) {
318 drawPixel(dx+x, dy+y, nextColour, true);
325 void Surface::drawPoint(int x, int y, DrawStyle& c, bool fastdraw)
327 drawPixel(x,y,c,fastdraw);