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, see <https://www.gnu.org/licenses/>.
26 #include "teletextdecodervbiebu.h"
28 #ifndef GRADIENT_DRAWING
31 // FIXME does anything use this anymore?
32 typedef struct bogl_font
34 char* name; /* Font name. */
35 int height; /* Height in pixels. */
36 int spacing; /* Vertical spacing in pixels. */
37 unsigned long* content; /* 32-bit right-padded bitmap array. */
38 short* offset; /* 256 offsets into content. */
39 unsigned char* width; /* 256 character widths. */
42 //extern osd_font_t font_CaslonRoman_1_25;
43 //extern osd_font_t font_helvB24;
44 extern osd_font_t font_helvB18;
52 // classes that need surface access, their usage is forbidden for vector based
53 friend class WJpegComplex;// implementations of osd
54 friend class VColourTuner;
60 static Surface* getScreen();
62 #ifdef GRADIENT_DRAWING
63 virtual int getFontHeight() = 0;
64 virtual float getCharWidth(wchar_t c) = 0;
65 virtual int drawText(const char* text, int x, int y, const DrawStyle& c) = 0;
66 virtual int drawText(const char* text, int x, int y, int width, const DrawStyle& c) = 0;
67 virtual int drawTextRJ(const char* text, int x, int y, const DrawStyle& c) = 0;
68 virtual int drawTextCentre(const char* text, int x, int y, const DrawStyle& c) = 0;
70 //May be move this stuff to a new Basis class surface pixel
71 virtual int getFontHeight();
72 virtual float getCharWidth(wchar_t c);
73 virtual int drawText(const char* text, int x, int y, const DrawStyle& c);
74 virtual int drawText(const char* text, int x, int y, int width, const DrawStyle& c);
75 virtual int drawTextRJ(const char* text, int x, int y, const DrawStyle& c);
76 virtual int drawTextCentre(const char* text, int x, int y, const DrawStyle& c);
79 virtual void drawJpeg(const char* /* fileName */, int /* x */, int /* y */, int* /* width */, int* /* height */) {}
81 virtual int create(u4 width, u4 height) = 0;
82 virtual void display() = 0;
84 virtual int fillblt(int x, int y, int width, int height, const DrawStyle& c) = 0;
85 virtual void drawHorzLine(int x1, int x2, int y, const DrawStyle& c) = 0;
86 virtual void drawVertLine(int x, int y1, int y2, const DrawStyle& c) = 0;
87 virtual void drawBitmap(int x, int y, const Bitmap& bm, const DisplayRegion& region) = 0;
88 virtual void drawPoint(int x, int y, const DrawStyle& c, bool fastdraw = false); // This draws a point, must not be a pixel
89 virtual void drawMonoBitmap(u1* base, int dx, int dy, unsigned int height, unsigned int width, const DrawStyle& nextColour);
90 virtual int updateToScreen(int sx, int sy, int w, int h, int dx, int dy) = 0;
91 virtual void readPixel(int x, int y, unsigned char* r, unsigned char* g, unsigned char* b) = 0;
92 virtual bool screenShot(const char* fileName) = 0;
94 /* This is for system which need a locking of the drawing surface to speed up drawing */
95 virtual void startFastDraw() {};
96 virtual void endFastDraw() {};
98 virtual void drawTTChar(int ox, int oy, int x, int y, cTeletextChar c);
99 static Colour enumTeletextColorToCoulour(enumTeletextColor ttcol);
101 // virtual int blt(int fd, unsigned long shandle, int sx, int sy, int width, int height, unsigned long dhandle, int dx, int dy)=0;
103 const static int SCREEN = 1;
104 const static int BUFFER = 2;
107 static Surface* screen;
108 #ifndef GRADIENT_DRAWING
109 static osd_font_t* font;
112 virtual void drawPixel(int x, int y, unsigned int c, bool fastdraw = false) = 0; // deprecated preparation for vector based drawing, only allowed to be called inside implementation
113 virtual void drawPixel(int x, int y, const Colour& c, bool fastdraw = false) = 0; // deprecated preparation for vector based drawing, only allowed to be called inside implementation
116 void initpol_tables();
117 unsigned int interpol_table_fac1[16][22];
118 unsigned int interpol_table_fac2[16][22];
119 unsigned int interpol_table_fac3[16][22];
120 unsigned int interpol_table_fac4[16][22];
121 int interpol_lowbit[16];
122 int interpol_upbit[16];
123 int interpol_lowline[22];
124 int interpol_upline[22];
125 bool pol_table_inited = false;