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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "TeletextDefines.h"
#include "guilib/GUITexture.h"
#include "utils/ColorUtils.h"
// stuff for freetype
#include <ft2build.h>
#ifdef TARGET_WINDOWS_STORE
#define generic GenericFromFreeTypeLibrary
#endif
#include FT_FREETYPE_H
#include FT_CACHE_H
#include FT_CACHE_SMALL_BITMAPS_H
class CAction;
typedef enum /* object type */
{
OBJ_PASSIVE,
OBJ_ACTIVE,
OBJ_ADAPTIVE
} tObjType;
class CTeletextDecoder
{
public:
CTeletextDecoder();
virtual ~CTeletextDecoder(void);
bool NeedRendering() { return m_updateTexture; }
void RenderingDone() { m_updateTexture = false; }
UTILS::COLOR::Color* GetTextureBuffer()
{
return m_TextureBuffer + (m_RenderInfo.Width * m_YOffset);
}
int GetHeight() { return m_RenderInfo.Height; }
int GetWidth() { return m_RenderInfo.Width; }
bool InitDecoder();
void EndDecoder();
void RenderPage();
bool HandleAction(const CAction &action);
private:
void PageInput(int Number);
void GetNextPageOne(bool up);
void GetNextSubPage(int offset);
bool IsSubtitlePage(int pageNumber) const;
void SwitchZoomMode();
void SwitchTranspMode();
void SwitchHintMode();
void ColorKey(int target);
void StartPageCatching();
void StopPageCatching();
void CatchNextPage(int firstlineinc, int inc);
void RenderCatchedPage();
void DoFlashing(int startrow);
void DoRenderPage(int startrow, int national_subset_bak);
void Decode_BTT();
void Decode_ADIP();
int TopText_GetNext(int startpage, int up, int findgroup);
void Showlink(int column, int linkpage);
void CreateLine25();
void RenderCharFB(int Char, TextPageAttr_t *Attribute);
void RenderCharBB(int Char, TextPageAttr_t *Attribute);
void CopyBB2FB();
void SetFontWidth(int newWidth);
int GetCurFontWidth();
void SetPosX(int column);
void ClearBB(UTILS::COLOR::Color Color);
void ClearFB(UTILS::COLOR::Color Color);
void FillBorder(UTILS::COLOR::Color Color);
void FillRect(
UTILS::COLOR::Color* buffer, int xres, int x, int y, int w, int h, UTILS::COLOR::Color Color);
void DrawVLine(
UTILS::COLOR::Color* lfb, int xres, int x, int y, int l, UTILS::COLOR::Color color);
void DrawHLine(
UTILS::COLOR::Color* lfb, int xres, int x, int y, int l, UTILS::COLOR::Color color);
void FillRectMosaicSeparated(UTILS::COLOR::Color* lfb,
int xres,
int x,
int y,
int w,
int h,
UTILS::COLOR::Color fgcolor,
UTILS::COLOR::Color bgcolor,
int set);
void FillTrapez(UTILS::COLOR::Color* lfb,
int xres,
int x0,
int y0,
int l0,
int xoffset1,
int h,
int l1,
UTILS::COLOR::Color color);
void FlipHorz(UTILS::COLOR::Color* lfb, int xres, int x, int y, int w, int h);
void FlipVert(UTILS::COLOR::Color* lfb, int xres, int x, int y, int w, int h);
int ShapeCoord(int param, int curfontwidth, int curfontheight);
void DrawShape(UTILS::COLOR::Color* lfb,
int xres,
int x,
int y,
int shapenumber,
int curfontwidth,
int fontheight,
int curfontheight,
UTILS::COLOR::Color fgcolor,
UTILS::COLOR::Color bgcolor,
bool clear);
void RenderDRCS(
int xres,
unsigned char* s, /* pointer to char data, parity undecoded */
UTILS::COLOR::Color* d, /* pointer to frame buffer of top left pixel */
unsigned char* ax, /* array[0..12] of x-offsets, array[0..10] of y-offsets for each pixel */
UTILS::COLOR::Color fgcolor,
UTILS::COLOR::Color bgcolor);
void RenderCharIntern(TextRenderInfo_t* RenderInfo, int Char, TextPageAttr_t *Attribute, int zoom, int yoffset);
int RenderChar(
UTILS::COLOR::Color* buffer, // pointer to render buffer, min. fontheight*2*xres
int xres, // length of 1 line in render buffer
int Char, // character to render
int*
pPosX, // left border for rendering relative to *buffer, will be set to right border after rendering
int PosY, // vertical position of char in *buffer
TextPageAttr_t* Attribute, // Attributes of Char
bool zoom, // 1= character will be rendered in double height
int curfontwidth, // rendering width of character
int curfontwidth2, // rendering width of next character (needed for doublewidth)
int fontheight, // height of character
bool transpmode, // 1= transparent display
unsigned char* axdrcs, // width and height of DRCS-chars
int Ascender);
TextPageinfo_t* DecodePage(bool showl25, // 1=decode Level2.5-graphics
unsigned char* PageChar, // page buffer, min. 25*40
TextPageAttr_t *PageAtrb, // attribute buffer, min 25*40
bool HintMode, // 1=show hidden information
bool showflof); // 1=decode FLOF-line
void Eval_l25(unsigned char* page_char, TextPageAttr_t *PageAtrb, bool HintMode);
void Eval_Object(int iONr, TextCachedPage_t *pstCachedPage,
unsigned char *pAPx, unsigned char *pAPy,
unsigned char *pAPx0, unsigned char *pAPy0,
tObjType ObjType, unsigned char* pagedata, unsigned char* page_char, TextPageAttr_t* PageAtrb);
void Eval_NumberedObject(int p, int s, int packet, int triplet, int high,
unsigned char *pAPx, unsigned char *pAPy,
unsigned char *pAPx0, unsigned char *pAPy0, unsigned char* page_char, TextPageAttr_t* PageAtrb);
int Eval_Triplet(int iOData, TextCachedPage_t *pstCachedPage,
unsigned char *pAPx, unsigned char *pAPy,
unsigned char *pAPx0, unsigned char *pAPy0,
unsigned char *drcssubp, unsigned char *gdrcssubp,
signed char *endcol, TextPageAttr_t *attrPassive, unsigned char* pagedata, unsigned char* page_char, TextPageAttr_t* PageAtrb);
int iTripletNumber2Data(int iONr, TextCachedPage_t *pstCachedPage, unsigned char* pagedata);
int SetNational(unsigned char sec);
int NextHex(int i);
void SetColors(const unsigned short *pcolormap, int offset, int number);
UTILS::COLOR::Color GetColorRGB(enumTeletextColor ttc);
static FT_Error MyFaceRequester(FTC_FaceID face_id, FT_Library library, FT_Pointer request_data, FT_Face *aface);
std::string m_teletextFont; /* Path to teletext font */
int m_YOffset; /* Swap position for Front buffer and Back buffer */
UTILS::COLOR::Color* m_TextureBuffer; /* Texture buffer to hold generated data */
bool m_updateTexture; /* Update the texture if set */
char prevHeaderPage; /* Needed for texture update if header is changed */
char prevTimeSec; /* Needed for Time string update */
int m_CatchRow; /* for page catching */
int m_CatchCol; /* " " " */
int m_CatchedPage; /* " " " */
int m_PCOldRow; /* " " " */
int m_PCOldCol; /* " " " */
FT_Library m_Library; /* FreeType 2 data */
FTC_Manager m_Manager; /* " " " */
FTC_SBitCache m_Cache; /* " " " */
FTC_SBit m_sBit; /* " " " */
FT_Face m_Face; /* " " " */
/*! An opaque handle to a cache node object. Each cache node is reference-counted. */
FTC_Node m_anode;
FTC_ImageTypeRec m_TypeTTF; /* " " " */
int m_Ascender; /* " " " */
int m_TempPage; /* Temporary page number for number input */
int m_LastPage; /* Last selected Page */
std::shared_ptr<TextCacheStruct_t> m_txtCache; /* Text cache generated by the VideoPlayer if Teletext present */
TextRenderInfo_t m_RenderInfo; /* Rendering information of displayed Teletext page */
};
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