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MpcDecode.cpp
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#include "MpcDecode.hpp"
#include "ShdDecode.hpp"
#include "wx/image.h"
#include "wx/msgdlg.h"
#include "wx/filename.h"
#include <cstring>
#include <fstream>
MpcDecode::MpcDecode()
{
Init();
}
MpcDecode::~MpcDecode()
{
}
MpcDecode::MpcDecode(const wxString MpcFilePath)
{
Init();
FilePath = MpcFilePath;
}
void MpcDecode::Init()
{
memset(&FileHead,0, sizeof(MpcFileHead));
memset(&PaletteData, 0, sizeof(PaletteData));
DecodeType = 0;
}
void MpcDecode::SetMpcFile(const wxString MpcFilePath)
{
FilePath = MpcFilePath;
}
wxString MpcDecode::GetFilePath()
{
return FilePath;
}
bool MpcDecode::ReadMpcFile()
{
if(FilePath.IsEmpty()) return false;
else
{
unsigned char temp4b[4],temp;
unsigned long tempul =0;
std::ifstream mpcfile(FilePath.char_str(), std::ios_base::binary|std::ios_base::in);
if(!mpcfile.is_open()) return false;
//Read head
mpcfile.read(FileHead.VersionInfo, 64);
if(mpcfile.fail() ||
strncmp(FileHead.VersionInfo,
"MPC File Ver",
sizeof("MPC File Ver")-1) != 0)
{
return false;
}
mpcfile.read((char*)temp4b, 4);
tempul = 0;
tempul |= ( ((unsigned long)temp4b[0] & (unsigned long)0xFF) );
tempul |= ( ((unsigned long)temp4b[1] & (unsigned long)0xFF) << 8 );
tempul |= ( ((unsigned long)temp4b[2] & (unsigned long)0xFF) << 16 );
tempul |= ( ((unsigned long)temp4b[3] & (unsigned long)0xFF) << 24 );
FileHead.FramesDataLengthSum = tempul;
mpcfile.read((char*)temp4b, 4);
tempul = 0;
tempul |= ( ((unsigned long)temp4b[0] & (unsigned long)0xFF) );
tempul |= ( ((unsigned long)temp4b[1] & (unsigned long)0xFF) << 8 );
tempul |= ( ((unsigned long)temp4b[2] & (unsigned long)0xFF) << 16 );
tempul |= ( ((unsigned long)temp4b[3] & (unsigned long)0xFF) << 24 );
if(tempul > 0x7FFFFFFF) tempul = (unsigned long)(-(long)tempul);
FileHead.GlobleWidth = (long)(0x0 | tempul);
mpcfile.read((char*)temp4b, 4);
tempul = 0;
tempul |= ( ((unsigned long)temp4b[0] & (unsigned long)0xFF) );
tempul |= ( ((unsigned long)temp4b[1] & (unsigned long)0xFF) << 8 );
tempul |= ( ((unsigned long)temp4b[2] & (unsigned long)0xFF) << 16 );
tempul |= ( ((unsigned long)temp4b[3] & (unsigned long)0xFF) << 24 );
if(tempul > 0x7FFFFFFF) tempul = (unsigned long)(-(long)tempul);
FileHead.GlobleHeight = (long)(0x0 | tempul);
mpcfile.read((char*)temp4b, 4);
tempul = 0;
tempul |= ( ((unsigned long)temp4b[0] & (unsigned long)0xFF) );
tempul |= ( ((unsigned long)temp4b[1] & (unsigned long)0xFF) << 8 );
tempul |= ( ((unsigned long)temp4b[2] & (unsigned long)0xFF) << 16 );
tempul |= ( ((unsigned long)temp4b[3] & (unsigned long)0xFF) << 24 );
FileHead.FrameCounts = tempul;
mpcfile.read((char*)temp4b, 4);
tempul = 0;
tempul |= ( ((unsigned long)temp4b[0] & (unsigned long)0xFF) );
tempul |= ( ((unsigned long)temp4b[1] & (unsigned long)0xFF) << 8 );
tempul |= ( ((unsigned long)temp4b[2] & (unsigned long)0xFF) << 16 );
tempul |= ( ((unsigned long)temp4b[3] & (unsigned long)0xFF) << 24 );
FileHead.Direction = (long)(0x0 | tempul);
mpcfile.read((char*)temp4b, 4);
tempul = 0;
tempul |= ( ((unsigned long)temp4b[0] & (unsigned long)0xFF) );
tempul |= ( ((unsigned long)temp4b[1] & (unsigned long)0xFF) << 8 );
tempul |= ( ((unsigned long)temp4b[2] & (unsigned long)0xFF) << 16 );
tempul |= ( ((unsigned long)temp4b[3] & (unsigned long)0xFF) << 24 );
FileHead.ColourCounts = tempul;
mpcfile.read((char*)temp4b, 4);
tempul = 0;
tempul |= ( ((unsigned long)temp4b[0] & (unsigned long)0xFF) );
tempul |= ( ((unsigned long)temp4b[1] & (unsigned long)0xFF) << 8 );
tempul |= ( ((unsigned long)temp4b[2] & (unsigned long)0xFF) << 16 );
tempul |= ( ((unsigned long)temp4b[3] & (unsigned long)0xFF) << 24 );
FileHead.Interval = (long)(0x0 | tempul);
mpcfile.read((char*)temp4b, 4);
tempul = 0;
tempul |= ( ((unsigned long)temp4b[0] & (unsigned long)0xFF) );
tempul |= ( ((unsigned long)temp4b[1] & (unsigned long)0xFF) << 8 );
tempul |= ( ((unsigned long)temp4b[2] & (unsigned long)0xFF) << 16 );
tempul |= ( ((unsigned long)temp4b[3] & (unsigned long)0xFF) << 24 );
FileHead.Bottom = (long)(0x0 | tempul);
mpcfile.read((char*)temp4b, 4);
tempul = 0;
tempul |= ( ((unsigned long)temp4b[0] & (unsigned long)0xFF) );
tempul |= ( ((unsigned long)temp4b[1] & (unsigned long)0xFF) << 8 );
tempul |= ( ((unsigned long)temp4b[2] & (unsigned long)0xFF) << 16 );
tempul |= ( ((unsigned long)temp4b[3] & (unsigned long)0xFF) << 24 );
DecodeType = (long)(0x0 | tempul);
DecodeType = ((DecodeType == 0 || DecodeType == 4) ? 0 : 1);
mpcfile.read(FileHead.Reserved, 28);
PaletteData.Size = FileHead.ColourCounts;
for(unsigned long i = 0; i < FileHead.ColourCounts; i++)
{
mpcfile.read((char*)&temp, 1);
PaletteData.Data[i].Blue = temp;
mpcfile.read((char*)&temp, 1);
PaletteData.Data[i].Green = temp;
mpcfile.read((char*)&temp, 1);
PaletteData.Data[i].Red = temp;
mpcfile.read((char*)&temp, 1);
PaletteData.Data[i].Alpha = temp;
}
FrameDataBegPos = mpcfile.tellg();
if(!mpcfile.good())return false;
mpcfile.close();
}
InitTransparentColor();
return true;
}
bool MpcDecode::ReadMpcFile(const wxString MpcFilePath)
{
FilePath = MpcFilePath;
return ReadMpcFile();
}
wxString MpcDecode::GetVersionInfo()
{
return wxString(FileHead.VersionInfo, wxConvLibc);
}
unsigned long MpcDecode::GetFramesDataLengthSum()
{
return FileHead.FramesDataLengthSum;
}
unsigned long MpcDecode::GetFramesCounts()
{
return FileHead.FrameCounts;
}
long MpcDecode::GetGlobleWidth()
{
return FileHead.GlobleWidth;
}
long MpcDecode::GetGlobleHeight()
{
return FileHead.GlobleHeight;
}
long MpcDecode::GetDirection()
{
return FileHead.Direction;
}
unsigned long MpcDecode::GetColourCounts()
{
return FileHead.ColourCounts;
}
unsigned long MpcDecode::GetInterval()
{
return FileHead.Interval;
}
long MpcDecode::GetBottom()
{
return FileHead.Bottom;
}
Palette_Colour MpcDecode::GetTransparentColor()
{
return TransparentColor;
}
void MpcDecode::InitTransparentColor()
{
unsigned long PalRGB[256] = {0};
unsigned long tempi1, tempi2, tempi3, tempc;
bool same = false;
for(unsigned long pi = 0; pi < PaletteData.Size; pi++)
{
PalRGB[pi] |= ((unsigned long)0xFF & (unsigned long)PaletteData.Data[pi].Red);
PalRGB[pi] |= (((unsigned long)0xFF & (unsigned long)PaletteData.Data[pi].Green) << 8);
PalRGB[pi] |= (((unsigned long)0xFF & (unsigned long)PaletteData.Data[pi].Blue) << 16);
//PalRGB[pi] |= (((unsigned long)0xFF|(unsigned long)PaletteData.Data[pi].Alpha) << 24);
}
for(unsigned long trans = 0x5; trans < 0x00FFFFFF; trans++)
{
same = false;
tempi1 = trans%PaletteData.Size;
tempi2 = (trans+0x20)%PaletteData.Size;
tempi3 = (trans+0x40)%PaletteData.Size;
tempc = (unsigned long)0x00FFFFFF & ( (PalRGB[tempi1]*2 + PalRGB[tempi2]*8 + PalRGB[tempi3]*16)/26 + 0x00112233 );
for(unsigned long fpi = 0; fpi < PaletteData.Size; fpi++)
{
if(tempc == PalRGB[fpi])
{
same = true;
break;
}
}
if(!same)
{
TransparentColor.Red = (unsigned char) ((unsigned long)0xFF & tempc);
TransparentColor.Green = (unsigned char) (((unsigned long)0xFF00 & tempc) >> 8);
TransparentColor.Blue = (unsigned char) (((unsigned long)0xFF0000 & tempc) >> 16);
break;
}
}
}
unsigned char* MpcDecode::GetDecodedFrameData(const unsigned long index, long* Width, long* Height,
COLOUR_MODLE mod, bool *isTransparent, Palette_Colour *TransparentColor)
{
switch(mod)
{
case PIC_RGB:
case PIC_BGRA:
case PIC_RGBA:
break;
default:
return NULL;
}
if(index < FileHead.FrameCounts)
{
Palette_Colour transcol = GetTransparentColor();
if(TransparentColor != NULL)
{
TransparentColor->Red = transcol.Red;
TransparentColor->Green = transcol.Green;
TransparentColor->Blue = transcol.Blue;
}
unsigned long temppos = 0, datalength, width = FileHead.GlobleWidth,
height = FileHead.GlobleHeight, curdecposition = 0;
unsigned char temp[8];
std::ifstream mpcfile(FilePath.char_str(), std::ios_base::binary|std::ios_base::in);
long decdatalen;
unsigned char* decdata;
if(!mpcfile.is_open())
{
return NULL;
}
mpcfile.seekg(FrameDataBegPos+index*4);
mpcfile.read((char*)temp, 4);
temppos = 0;
temppos |= ( ((unsigned long)temp[0] & (unsigned long)0xFF) );
temppos |= ( ((unsigned long)temp[1] & (unsigned long)0xFF) << 8 );
temppos |= ( ((unsigned long)temp[2] & (unsigned long)0xFF) << 16 );
temppos |= ( ((unsigned long)temp[3] & (unsigned long)0xFF) << 24 );
mpcfile.seekg(FrameDataBegPos + FileHead.FrameCounts*4 + temppos);
if(mpcfile.eof())
{
mpcfile.close();
return NULL;
}
mpcfile.read((char*)temp, 4);
temppos = 0;
temppos |= ( ((unsigned long)temp[0] & (unsigned long)0xFF) );
temppos |= ( ((unsigned long)temp[1] & (unsigned long)0xFF) << 8 );
temppos |= ( ((unsigned long)temp[2] & (unsigned long)0xFF) << 16 );
temppos |= ( ((unsigned long)temp[3] & (unsigned long)0xFF) << 24 );
datalength = temppos;
mpcfile.read((char*)temp, 4);
temppos = 0;
temppos |= ( ((unsigned long)temp[0] & (unsigned long)0xFF) );
temppos |= ( ((unsigned long)temp[1] & (unsigned long)0xFF) << 8 );
temppos |= ( ((unsigned long)temp[2] & (unsigned long)0xFF) << 16 );
temppos |= ( ((unsigned long)temp[3] & (unsigned long)0xFF) << 24 );
width = temppos;
mpcfile.read((char*)temp, 4);
temppos = 0;
temppos |= ( ((unsigned long)temp[0] & (unsigned long)0xFF) );
temppos |= ( ((unsigned long)temp[1] & (unsigned long)0xFF) << 8 );
temppos |= ( ((unsigned long)temp[2] & (unsigned long)0xFF) << 16 );
temppos |= ( ((unsigned long)temp[3] & (unsigned long)0xFF) << 24 );
height = temppos;
mpcfile.seekg(8, std::ios_base::cur);
if(Width != NULL)*Width = width;
if(Height != NULL)*Height = height;
switch(mod)
{
case PIC_RGB:
decdatalen = width * height * 3;
break;
case PIC_RGBA:
case PIC_BGRA:
decdatalen = width * height * 4;
break;
default:
return NULL;
}
decdata = (unsigned char*)malloc((size_t)decdatalen);
if(decdata == NULL)
{
mpcfile.close();
return NULL;
}
switch(mod)
{
case PIC_RGB:
for(long datidx = 0; datidx < (long)decdatalen;)//inital
{
decdata[datidx++] = transcol.Red;
decdata[datidx++] = transcol.Green;
decdata[datidx++] = transcol.Blue;
}
break;
case PIC_RGBA:
for(long datidx = 0; datidx < (long)decdatalen;)//inital
{
decdata[datidx++] = transcol.Red;
decdata[datidx++] = transcol.Green;
decdata[datidx++] = transcol.Blue;
decdata[datidx++] = 0x00;
}
break;
case PIC_BGRA:
for(long datidx = 0; datidx < (long)decdatalen;)//inital
{
decdata[datidx++] = transcol.Blue;
decdata[datidx++] = transcol.Green;
decdata[datidx++] = transcol.Red;
decdata[datidx++] = 0x00;
}
break;
default:
break;
}
if(isTransparent != NULL)
{
*isTransparent = true;//always transparent
}
if(DecodeType == 0)
{
mpcfile.read((char*)temp,1);
for(unsigned long i = 0; i < datalength - 20;)
{
if(curdecposition > (unsigned long)decdatalen)
{
free(decdata);
mpcfile.close();
return NULL;
}
if(temp[0] > (unsigned char)0x80)
{
temppos = temp[0] - (unsigned char)0x80;
for(unsigned char j = 0; j < temppos; j++)
{
switch(mod)
{
case PIC_RGB:
decdata[curdecposition++] = transcol.Red;
decdata[curdecposition++] = transcol.Green;
decdata[curdecposition++] = transcol.Blue;
break;
case PIC_RGBA:
decdata[curdecposition++] = transcol.Red;
decdata[curdecposition++] = transcol.Green;
decdata[curdecposition++] = transcol.Blue;
decdata[curdecposition++] = 0x0;
break;
case PIC_BGRA:
decdata[curdecposition++] = transcol.Blue;
decdata[curdecposition++] = transcol.Green;
decdata[curdecposition++] = transcol.Red;
decdata[curdecposition++] = 0x0;
break;
default:
//can't be here
return NULL;
}
}
}
else
{
temppos = temp[0];
for(unsigned char m = 0; m < temppos; m++)
{
if(mpcfile.fail())
{
mpcfile.close();
free(decdata);
return NULL;
}
mpcfile.read((char*)temp,1);
i++;
switch(mod)
{
case PIC_RGB:
decdata[curdecposition++] = PaletteData.Data[temp[0]].Red;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Green;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Blue;
break;
case PIC_RGBA:
decdata[curdecposition++] = PaletteData.Data[temp[0]].Red;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Green;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Blue;
decdata[curdecposition++] = 0xFF;
break;
case PIC_BGRA:
decdata[curdecposition++] = PaletteData.Data[temp[0]].Blue;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Green;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Red;
decdata[curdecposition++] = 0xFF;
break;
default:
//can't be here
return NULL;
}
}
}
mpcfile.read((char*)temp,1);
i++;
}
}//DecodeType == 0
else
{
unsigned int pixelCount;
mpcfile.read((char*)temp,2);
for(unsigned long i = 0; i < datalength - 20;)
{
if(temp[1] >= 0x80)
{
pixelCount = temp[0] + ((unsigned int)temp[1] - 0x80)*0x100;
for(unsigned int j = 0; j < pixelCount; j++)
{
switch(mod)
{
case PIC_RGB:
decdata[curdecposition++] = transcol.Red;
decdata[curdecposition++] = transcol.Green;
decdata[curdecposition++] = transcol.Blue;
break;
case PIC_RGBA:
decdata[curdecposition++] = transcol.Red;
decdata[curdecposition++] = transcol.Green;
decdata[curdecposition++] = transcol.Blue;
decdata[curdecposition++] = 0x0;
break;
case PIC_BGRA:
decdata[curdecposition++] = transcol.Blue;
decdata[curdecposition++] = transcol.Green;
decdata[curdecposition++] = transcol.Red;
decdata[curdecposition++] = 0x0;
break;
default:
//can't be here
return NULL;
}
}
}//>= 0x80
else if(temp[1] == 0x40)
{
pixelCount = temp[0];
for(unsigned char m = 0; m < pixelCount; m++)
{
if(mpcfile.fail())
{
mpcfile.close();
free(decdata);
return NULL;
}
mpcfile.read((char*)temp,2);
i += 2;
switch(mod)
{
case PIC_RGB:
decdata[curdecposition++] = PaletteData.Data[temp[1]].Red;
decdata[curdecposition++] = PaletteData.Data[temp[1]].Green;
decdata[curdecposition++] = PaletteData.Data[temp[1]].Blue;
break;
case PIC_RGBA:
decdata[curdecposition++] = PaletteData.Data[temp[1]].Red;
decdata[curdecposition++] = PaletteData.Data[temp[1]].Green;
decdata[curdecposition++] = PaletteData.Data[temp[1]].Blue;
decdata[curdecposition++] = temp[0];
break;
case PIC_BGRA:
decdata[curdecposition++] = PaletteData.Data[temp[1]].Blue;
decdata[curdecposition++] = PaletteData.Data[temp[1]].Green;
decdata[curdecposition++] = PaletteData.Data[temp[1]].Red;
decdata[curdecposition++] = temp[0];
break;
default:
//can't be here
return NULL;
}
}
}// == 0x40
else if(temp[1] == 0x00)
{
pixelCount = temp[0];
for(unsigned char m = 0; m < pixelCount; m++)
{
if(mpcfile.fail())
{
mpcfile.close();
free(decdata);
return NULL;
}
mpcfile.read((char*)temp,1);
i++;
switch(mod)
{
case PIC_RGB:
decdata[curdecposition++] = PaletteData.Data[temp[0]].Red;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Green;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Blue;
break;
case PIC_RGBA:
decdata[curdecposition++] = PaletteData.Data[temp[0]].Red;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Green;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Blue;
decdata[curdecposition++] = 0xFF;
break;
case PIC_BGRA:
decdata[curdecposition++] = PaletteData.Data[temp[0]].Blue;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Green;
decdata[curdecposition++] = PaletteData.Data[temp[0]].Red;
decdata[curdecposition++] = 0xFF;
break;
default:
//can't be here
return NULL;
}
}
}// 0x00
else
{
//Error!
mpcfile.close();
free(decdata);
return NULL;
}
mpcfile.read((char*)temp,2);
i += 2;
}
}
mpcfile.close();
return decdata;
}
else return NULL;
}
unsigned char* MpcDecode::GetGlobleDecodedFrameData(const unsigned long index, long* Width, long* Height,
COLOUR_MODLE mod, bool *isTransparent, Palette_Colour *TransparentColor)
{
switch(mod)
{
case PIC_RGB:
case PIC_BGRA:
case PIC_RGBA:
break;
default:
return NULL;
}
if(index < FileHead.FrameCounts)
{
Palette_Colour transcol = GetTransparentColor();
if(TransparentColor != NULL)
{
TransparentColor->Red = transcol.Red;
TransparentColor->Green = transcol.Green;
TransparentColor->Blue = transcol.Blue;
}
if(Width != NULL) *Width = GetGlobleWidth();
if(Height != NULL) *Height = GetGlobleHeight();
unsigned long glbdatalen, width = FileHead.GlobleWidth,
height = FileHead.GlobleHeight;
unsigned char *decdata, *glbdata;
switch(mod)
{
case PIC_RGB:
decdata = GetDecodedFrameData(index, (long*)&width, (long*)&height, PIC_RGB);
glbdatalen = (unsigned long)GetGlobleWidth()*GetGlobleHeight()*3;
break;
case PIC_RGBA:
decdata = GetDecodedFrameData(index, (long*)&width, (long*)&height, PIC_RGBA);
glbdatalen = (unsigned long)GetGlobleWidth()*GetGlobleHeight()*4;
break;
case PIC_BGRA:
decdata = GetDecodedFrameData(index, (long*)&width, (long*)&height, PIC_BGRA);
glbdatalen = (unsigned long)GetGlobleWidth()*GetGlobleHeight()*4;
break;
default:
return NULL;
}
if(!decdata) return NULL;
glbdata = (unsigned char*)malloc((size_t)glbdatalen);
if(!glbdata)
{
free(decdata);
return NULL;
}
if(isTransparent != NULL)
{
*isTransparent = true;//always transparent
}
//assign
switch(mod)
{
case PIC_RGB:
for(long datidx = 0; datidx < (long)glbdatalen;)//inital
{
glbdata[datidx++] = transcol.Red;
glbdata[datidx++] = transcol.Green;
glbdata[datidx++] = transcol.Blue;
}
for(long hi = 0; hi < GetGlobleHeight(); hi++)
{
for(long wi = 0; wi < GetGlobleWidth()*3; wi += 3)
{
if(hi < (long)height && wi < (long)width*3)
{
glbdata[hi*GetGlobleWidth()*3+wi] = decdata[hi*width*3+wi];
glbdata[hi*GetGlobleWidth()*3+wi+1] = decdata[hi*width*3+wi+1];
glbdata[hi*GetGlobleWidth()*3+wi+2] = decdata[hi*width*3+wi+2];
}
}
}
break;
case PIC_RGBA:
for(long datidx = 0; datidx < (long)glbdatalen;)//inital
{
glbdata[datidx++] = transcol.Red;
glbdata[datidx++] = transcol.Green;
glbdata[datidx++] = transcol.Blue;
glbdata[datidx++] = 0x00;
}
for(long hi = 0; hi < GetGlobleHeight(); hi++)
{
for(long wi = 0; wi < GetGlobleWidth()*4; wi += 4)
{
if(hi < (long)height && wi < (long)width*4)
{
glbdata[hi*GetGlobleWidth()*4+wi] = decdata[hi*width*4+wi];
glbdata[hi*GetGlobleWidth()*4+wi+1] = decdata[hi*width*4+wi+1];
glbdata[hi*GetGlobleWidth()*4+wi+2] = decdata[hi*width*4+wi+2];
glbdata[hi*GetGlobleWidth()*4+wi+3] = decdata[hi*width*4+wi+3];
}
}
}
break;
case PIC_BGRA:
for(long datidx = 0; datidx < (long)glbdatalen;)//inital
{
glbdata[datidx++] = transcol.Blue;
glbdata[datidx++] = transcol.Green;
glbdata[datidx++] = transcol.Red;
glbdata[datidx++] = 0x00;
}
for(long hi = 0; hi < GetGlobleHeight(); hi++)
{
for(long wi = 0; wi < GetGlobleWidth()*4; wi += 4)
{
if(hi < (long)height && wi < (long)width*4)
{
glbdata[hi*GetGlobleWidth()*4+wi] = decdata[hi*width*4+wi];
glbdata[hi*GetGlobleWidth()*4+wi+1] = decdata[hi*width*4+wi+1];
glbdata[hi*GetGlobleWidth()*4+wi+2] = decdata[hi*width*4+wi+2];
glbdata[hi*GetGlobleWidth()*4+wi+3] = decdata[hi*width*4+wi+3];
}
}
}
break;
default:
break;
}
free(decdata);
return glbdata;
}
else return NULL;
}
FILOCRGBQUAD* MpcDecode::GetFIDecodedFrameData(const unsigned long index, long* Width, long* Height,
COLOUR_MODLE mod, bool *isTransparent, Palette_Colour *TransparentColor)
{
long width, height;
unsigned char* data = GetDecodedFrameData(index, &width, &height, mod, isTransparent, TransparentColor);
if(data == NULL) return NULL;
else
{
FILOCRGBQUAD* decdata;
long count = width*height;
decdata = new FILOCRGBQUAD[count];
long index = 0;
for(int i = 0; i < count; i++)
{
switch(mod)
{
case PIC_RGB:
decdata[i].rgbRed = data[index++];
decdata[i].rgbGreen = data[index++];
decdata[i].rgbBlue = data[index++];
decdata[i].rgbReserved = 0xFF;
break;
case PIC_BGRA:
decdata[i].rgbBlue = data[index++];
decdata[i].rgbGreen = data[index++];
decdata[i].rgbRed = data[index++];
decdata[i].rgbReserved = data[index++];
break;
case PIC_RGBA:
decdata[i].rgbRed = data[index++];
decdata[i].rgbGreen = data[index++];
decdata[i].rgbBlue = data[index++];
decdata[i].rgbReserved = data[index++];
break;
}
}
free(data);
if(Width != NULL)*Width = width;
if(Height != NULL)*Height = height;
return decdata;
}
}
FILOCRGBQUAD* MpcDecode::GetGlobleFIDecodedFrameData(const unsigned long index, long* Width, long* Height,
COLOUR_MODLE mod, bool *isTransparent, Palette_Colour *TransparentColor)
{
switch(mod)
{
case PIC_RGB:
case PIC_BGRA:
case PIC_RGBA:
break;
default:
return NULL;
}
if(index < FileHead.FrameCounts)
{
Palette_Colour transcol = GetTransparentColor();
if(TransparentColor != NULL)
{
TransparentColor->Red = transcol.Red;
TransparentColor->Green = transcol.Green;
TransparentColor->Blue = transcol.Blue;
}
if(Width != NULL) *Width = GetGlobleWidth();
if(Height != NULL) *Height = GetGlobleHeight();
unsigned long glbdatalen, width = FileHead.GlobleWidth,
height = FileHead.GlobleHeight;
FILOCRGBQUAD *decdata, *glbdata;
switch(mod)
{
case PIC_RGB:
decdata = GetFIDecodedFrameData(index, (long*)&width, (long*)&height, PIC_RGB);
glbdatalen = (unsigned long)GetGlobleWidth()*GetGlobleHeight();
break;
case PIC_RGBA:
decdata = GetFIDecodedFrameData(index, (long*)&width, (long*)&height, PIC_RGBA);
glbdatalen = (unsigned long)GetGlobleWidth()*GetGlobleHeight();
break;
case PIC_BGRA:
decdata = GetFIDecodedFrameData(index, (long*)&width, (long*)&height, PIC_BGRA);
glbdatalen = (unsigned long)GetGlobleWidth()*GetGlobleHeight();
break;
default:
return NULL;
}
if(!decdata) return NULL;
glbdata = new FILOCRGBQUAD[(size_t)glbdatalen];
if(!glbdata)
{
delete[] decdata;
return NULL;
}
if(isTransparent != NULL)
{
*isTransparent = true;//always transparent
}
//assign
switch(mod)
{
case PIC_RGB:
case PIC_RGBA:
case PIC_BGRA:
for(long datidx = 0; datidx < (long)glbdatalen; datidx++)//inital
{
glbdata[datidx].rgbRed = transcol.Red;
glbdata[datidx].rgbGreen = transcol.Green;
glbdata[datidx].rgbBlue = transcol.Blue;
glbdata[datidx].rgbReserved = 0x00;
}
for(long hi = 0; hi < GetGlobleHeight(); hi++)
{
for(long wi = 0; wi < GetGlobleWidth(); wi++)
{
if(hi < (long)height && wi < (long)width)
{
glbdata[hi*GetGlobleWidth()+wi].rgbRed = decdata[hi*width+wi].rgbRed;
glbdata[hi*GetGlobleWidth()+wi].rgbGreen = decdata[hi*width+wi].rgbGreen;
glbdata[hi*GetGlobleWidth()+wi].rgbBlue = decdata[hi*width+wi].rgbBlue;
glbdata[hi*GetGlobleWidth()+wi].rgbReserved = decdata[hi*width+wi].rgbReserved;
}
}
}
break;
default:
break;
}
delete[] decdata;
return glbdata;
}
else return NULL;
}
wxImage MpcDecode::GetFrameImage(const unsigned long index, bool ShdIncluded)
{
if(index < FileHead.FrameCounts)
{
long width, height, shdcurpos, colpos, imgpos;
ShdDecode shddecode;
bool shdicl = false;
unsigned char *shddata = NULL,*decdata = NULL, *imgdata = NULL;
wxString shdpath;
imgdata = (unsigned char*)malloc((size_t)GetGlobleWidth()*GetGlobleHeight()*3);
if(!imgdata) return wxNullImage;
if(ShdIncluded)
{
shdpath = wxFileName::FileName(FilePath).GetPath(wxPATH_GET_VOLUME|wxPATH_GET_SEPARATOR);
shdpath += wxFileName::FileName(FilePath).GetName();
shdpath += wxT(".shd");
if(wxFileName::FileExists(shdpath))
{
if(shddecode.ReadShdFile(shdpath))
{
if(shddecode.GetGlobleWidth() == GetGlobleWidth() &&
shddecode.GetGlobleHeight() == GetGlobleHeight())
{
shddata = shddecode.GetGlobleDecodedFrameData(index);
if(shddata)shdicl = true;
}
}
}
}
decdata = GetGlobleDecodedFrameData(index, &width, &height, PIC_RGBA);
if(decdata == NULL)
{
if(imgdata)
{
free(imgdata);
imgdata = NULL;
}
return wxNullImage;
}
if(shdicl)
{
shdcurpos = 0;
colpos = 0;
imgpos = 0;
for(long int sidx = 0; sidx < GetGlobleWidth()*GetGlobleHeight(); sidx++)
{
if(shddata[shdcurpos] == 0xFF)//fill transparent color
{
imgdata[imgpos] = TransparentColor.Red;
imgdata[imgpos+1] = TransparentColor.Green;
imgdata[imgpos+2] = TransparentColor.Blue;
}
else
{
imgdata[imgpos] = shddata[shdcurpos];
imgdata[imgpos+1] = shddata[shdcurpos+1];
imgdata[imgpos+2] = shddata[shdcurpos+2];
}
if(decdata[colpos+3] != 0)//fill color
{
imgdata[imgpos] = decdata[colpos];
imgdata[imgpos+1] = decdata[colpos+1];
imgdata[imgpos+2] = decdata[colpos+2];
}
shdcurpos += 3;
colpos += 4;
imgpos += 3;
}
free(decdata);
free(shddata);
}
else
{
colpos = 0;
imgpos = 0;
for(long int sidx = 0; sidx < GetGlobleWidth()*GetGlobleHeight(); sidx++)
{
if(decdata[colpos+3] == 0)//fill transparent color
{
imgdata[imgpos] = TransparentColor.Red;
imgdata[imgpos+1] = TransparentColor.Green;
imgdata[imgpos+2] = TransparentColor.Blue;
}
else//fill color
{
imgdata[imgpos] = decdata[colpos];
imgdata[imgpos+1] = decdata[colpos+1];
imgdata[imgpos+2] = decdata[colpos+2];
}
imgpos += 3;
colpos += 4;
}
free(decdata);
}
#ifdef DODEBUG
free(imgdata);
imgdata = GetGlobleDecodedFrameData(index);
#endif // define
wxImage img(GetGlobleWidth(),GetGlobleHeight(),imgdata);
return img;
}
else return wxNullImage;
}