private unsafe bool bFillColorTable(IntPtr hdc, IntPtr hpal, uint num3, ref BITMAPINFO_FLAT pbmi)
{
// bool flag = false;
byte[] lppe = new byte[sizeof(PALETTEENTRY) * 0x100];
fixed(byte *numRef = pbmi.bmiColors)
{
Contract.Assume(numRef != null);
fixed(byte *numRef2 = lppe)
{
Contract.Assume(numRef2 != null);
RGBQUAD * rgbquadPtr = (RGBQUAD *)numRef;
PALETTEENTRY *paletteentryPtr = (PALETTEENTRY *)numRef2;
int nEntries = ((int)1) << pbmi.bmiHeader_biBitCount;
if (nEntries <= 0x100)
{
// if (num3 != 0)
{
for (int i = 0; i < nEntries; i++)
{
rgbquadPtr[i].rgbRed = paletteentryPtr[i].peRed;
rgbquadPtr[i].rgbGreen = paletteentryPtr[i].peGreen;
rgbquadPtr[i].rgbBlue = paletteentryPtr[i].peBlue;
rgbquadPtr[i].rgbReserved = 0;
}
}
}
}
}
return(false);
}
public static void ConvertPixelByPixel(IntPtr ipd, out int width, out int height)
{
// get the info about the HBITMAP inside the IPictureDisp
DIBSECTION dibsection = new DIBSECTION();
var res = GetObjectDIBSection(ipd, Marshal.SizeOf(dibsection), ref dibsection);
width = dibsection.dsBm.bmWidth;
height = dibsection.dsBm.bmHeight;
unsafe {
//Check is that 32bit bitmap
if (dibsection.dsBmih.biBitCount == 32)
{
// get a pointer to the raw bits
RGBQUAD *pBits = (RGBQUAD *)(void *)dibsection.dsBm.bmBits;
// copy each pixel manually and premultiply the color values
for (int x = 0; x < dibsection.dsBmih.biWidth; x++)
{
for (int y = 0; y < dibsection.dsBmih.biHeight; y++)
{
int offset = y * dibsection.dsBmih.biWidth + x;
if (pBits[offset].rgbReserved > 0 && (pBits[offset].rgbBlue > pBits[offset].rgbReserved || pBits[offset].rgbGreen > pBits[offset].rgbReserved || pBits[offset].rgbRed > pBits[offset].rgbReserved))
{
pBits[offset].rgbBlue = (byte)((((int)pBits[offset].rgbBlue * (int)pBits[offset].rgbReserved + 1) * 257) >> 16);
pBits[offset].rgbGreen = (byte)((((int)pBits[offset].rgbGreen * (int)pBits[offset].rgbReserved + 1) * 257) >> 16);
pBits[offset].rgbRed = (byte)((((int)pBits[offset].rgbRed * (int)pBits[offset].rgbReserved + 1) * 257) >> 16);
}
}
}
}
}
}
//-------------------------------------------------------------------
// TransformImage_YUY2
//
// YUY2 to RGB-32
//-------------------------------------------------------------------
unsafe private static void TransformImage_YUY2(
IntPtr pDest,
int lDestStride,
IntPtr pSrc,
int lSrcStride,
int dwWidthInPixels,
int dwHeightInPixels)
{
YUYV * pSrcPel = (YUYV *)pSrc;
RGBQUAD *pDestPel = (RGBQUAD *)pDest;
lSrcStride /= 4; // convert lSrcStride to YUYV
lDestStride /= 4; // convert lDestStride to RGBQUAD
for (int y = 0; y < dwHeightInPixels; y++)
{
for (int x = 0; x < dwWidthInPixels / 2; x++)
{
pDestPel[x * 2] = ConvertYCrCbToRGB(pSrcPel[x].Y, pSrcPel[x].V, pSrcPel[x].U);
pDestPel[(x * 2) + 1] = ConvertYCrCbToRGB(pSrcPel[x].Y2, pSrcPel[x].V, pSrcPel[x].U);
}
pSrcPel += lSrcStride;
pDestPel += lDestStride;
}
}
unsafe static private int ARGB32_To_RGB24(
int dwWidthInPixels,
int dwHeightInPixels,
int dwDestStride,
IntPtr ipSrc,
IntPtr ipDest
)
{
RGBQUAD *pSrc = (RGBQUAD *)ipSrc;
RGB24 * pDest = (RGB24 *)ipDest;
for (int y = 0; y < dwHeightInPixels; y++)
{
for (int x = 0; x < dwWidthInPixels; x++)
{
pDest[x].rgbRed = pSrc[x].R;
pDest[x].rgbGreen = pSrc[x].G;
pDest[x].rgbBlue = pSrc[x].B;
}
pSrc += dwWidthInPixels * 3;
pDest += dwDestStride;
}
return(dwDestStride * dwHeightInPixels);
}
public static Bitmap ConvertPixelByPixel(IPictureDisp ipd)
{
// get the info about the HBITMAP inside the IPictureDisp
DIBSECTION dibsection = new DIBSECTION();
GetObjectDIBSection((IntPtr)ipd.Handle, Marshal.SizeOf(dibsection), ref dibsection);
int width = dibsection.dsBm.bmWidth;
int height = dibsection.dsBm.bmHeight;
// create the destination Bitmap object
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
unsafe
{
// get a pointer to the raw bits
RGBQUAD *pBits = (RGBQUAD *)(void *)dibsection.dsBm.bmBits;
// copy each pixel manually
for (int x = 0; x < dibsection.dsBmih.biWidth; x++)
{
for (int y = 0; y < dibsection.dsBmih.biHeight; y++)
{
int offset = y * dibsection.dsBmih.biWidth + x;
if (pBits[offset].rgbReserved != 0)
{
bitmap.SetPixel(x, y, Color.FromArgb(pBits[offset].rgbReserved, pBits[offset].rgbRed, pBits[offset].rgbGreen, pBits[offset].rgbBlue));
}
}
}
}
return(bitmap);
}
public static Bitmap ConvertWithAlphaBlend(IPictureDisp ipd)
{
// get the info about the HBITMAP inside the IPictureDisp
DIBSECTION dibsection = new DIBSECTION();
GetObjectDIBSection((IntPtr)ipd.Handle, Marshal.SizeOf(dibsection), ref dibsection);
int width = dibsection.dsBm.bmWidth;
int height = dibsection.dsBm.bmHeight;
// zero out the RGB values for all pixels with A == 0
// (AlphaBlend expects them to all be zero)
unsafe
{
RGBQUAD *pBits = (RGBQUAD *)(void *)dibsection.dsBm.bmBits;
for (int x = 0; x < dibsection.dsBmih.biWidth; x++)
{
for (int y = 0; y < dibsection.dsBmih.biHeight; y++)
{
int offset = y * dibsection.dsBmih.biWidth + x;
if (pBits[offset].rgbReserved == 0)
{
pBits[offset].rgbRed = 0;
pBits[offset].rgbGreen = 0;
pBits[offset].rgbBlue = 0;
}
}
}
}
// create the destination Bitmap object
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
// get the HDCs and select the HBITMAP
Graphics graphics = Graphics.FromImage(bitmap);
IntPtr hdcDest = graphics.GetHdc();
IntPtr hdcSrc = CreateCompatibleDC(hdcDest);
IntPtr hobjOriginal = SelectObject(hdcSrc, (IntPtr)ipd.Handle);
// render the bitmap using AlphaBlend
BLENDFUNCTION blendfunction = new BLENDFUNCTION(AC_SRC_OVER, 0, 0xFF, AC_SRC_ALPHA);
AlphaBlend(hdcDest, 0, 0, width, height, hdcSrc, 0, 0, width, height, blendfunction);
// clean up
SelectObject(hdcSrc, hobjOriginal);
DeleteDC(hdcSrc);
graphics.ReleaseHdc(hdcDest);
graphics.Dispose();
return(bitmap);
}
//-------------------------------------------------------------------
// TransformImage_RGB24
//
// RGB-24 to RGB-32
//-------------------------------------------------------------------
unsafe private static void TransformImage_RGB24(IntPtr pDest, int lDestStride, IntPtr pSrc, int lSrcStride, int dwWidthInPixels, int dwHeightInPixels)
{
RGB24 * source = (RGB24 *)pSrc;
RGBQUAD *dest = (RGBQUAD *)pDest;
lSrcStride /= 3;
lDestStride /= 4;
for (int y = 0; y < dwHeightInPixels; y++)
{
for (int x = 0; x < dwWidthInPixels; x++)
{
dest[x].R = source[x].rgbRed;
dest[x].G = source[x].rgbGreen;
dest[x].B = source[x].rgbBlue;
dest[x].A = 0;
}
source += lSrcStride;
dest += lDestStride;
}
}
unsafe static private int ARGB32_To_YUY2(
int dwWidthInPixels,
int dwHeightInPixels,
int dwDestStride,
IntPtr ipSrc,
IntPtr ipDest
)
{
Debug.Assert(dwDestStride >= (dwWidthInPixels * 2));
RGBQUAD *pSrcPixel = (RGBQUAD *)ipSrc;
YUYV * pDestPixel = (YUYV *)ipDest;
int dwUseWidth = dwWidthInPixels / 2;
// invert
pSrcPixel += (dwHeightInPixels - 1) * dwWidthInPixels;
for (int y = 0; y < dwHeightInPixels; y++)
{
for (int x = 0; x < dwUseWidth; x++)
{
pDestPixel[x].Y = (byte)(((66 * pSrcPixel->R + 129 * pSrcPixel->G + 25 * pSrcPixel->B + 128) >> 8) + 16);
pDestPixel[x].U = (byte)(((-38 * pSrcPixel->R - 74 * pSrcPixel->G + 112 * pSrcPixel->B + 128) >> 8) + 128);
pSrcPixel++;
pDestPixel[x].Y2 = (byte)(((66 * pSrcPixel->R + 129 * pSrcPixel->G + 25 * pSrcPixel->B + 128) >> 8) + 16);
pDestPixel[x].V = (byte)(((112 * pSrcPixel->R - 94 * pSrcPixel->G - 18 * pSrcPixel->B + 128) >> 8) + 128);
pSrcPixel++;
}
pDestPixel = &pDestPixel[dwDestStride / sizeof(YUYV)];
// Invert
pSrcPixel -= dwWidthInPixels * 2;
}
return((int)((byte *)pDestPixel - (byte *)ipDest));
}
public unsafe void BlitMBMP(MBMP mbmp, RECTANGLE dest, GPT_UnkStruct1 *unkStruct)
{
RECTANGLE clip = default;
if (unkStruct->Clip != null)
{
clip.Copy(in * unkStruct->Clip);
if (!clip.CalculateIntersection(in dest))
{
return;
}
}
else
{
clip.Copy(in dest);
}
mbmp.GetRect(out var mbmpRect); // call 0x0043F7D0
if (mbmpRect.Y1 < mbmpRect.Y2 && mbmpRect.X1 < mbmpRect.X2)
{
if (BitDepth == 8)
{
if (dest.X1 - dest.X2 + mbmpRect.X2 != mbmpRect.X1 || dest.Y1 - dest.Y2 + mbmpRect.Y2 != mbmpRect.Y1)
{
// FIXME: The file dialog screens are black for some reason.
// 0042B451
PInvoke.Call(LibraryNames.GDI32, "SetTextColor", DC, new IntPtr(0x2FFFFFF));
PInvoke.Call(LibraryNames.GDI32, "SetBkColor", DC, new IntPtr(0x2000000));
mbmpRect.TopLeftOrigin();
if (FromPointer <GPT>(UnmanagedFunctionCall.StdCall((IntPtr)FunctionNames.AllocateGPT, new IntPtr(&mbmpRect), new IntPtr(1))) is GPT gptMaskMaybe)
{
UnmanagedFunctionCall.ThisCall((IntPtr)FunctionNames.MBMP_00425850, mbmp.NativeHandle.Address, gptMaskMaybe.PixelBuffer, (IntPtr)gptMaskMaybe.Stride, new IntPtr(mbmpRect.Height), new IntPtr(-mbmpRect.X1), new IntPtr(-mbmpRect.Y1), new IntPtr(&mbmpRect)); // call 0x00425850
UnmanagedFunctionCall.ThisCall((IntPtr)FunctionNames.GPT__0042A550, NativeHandle.Address, new IntPtr(&unkStruct->Clip));
PInvoke.Call(LibraryNames.GDI32, "StretchBlt", DC, new IntPtr(dest.X1), new IntPtr(dest.X2), new IntPtr(dest.Width), new IntPtr(dest.Height), gptMaskMaybe.DC, IntPtr.Zero, IntPtr.Zero, new IntPtr(mbmpRect.Width), new IntPtr(mbmpRect.Height), new IntPtr(0xEE0086));
gptMaskMaybe.VirtualCall(0x10); // Free?
if (FromPointer <GPT>(UnmanagedFunctionCall.StdCall((IntPtr)FunctionNames.AllocateGPT, new IntPtr(&mbmpRect), new IntPtr(8))) is GPT gptColor)
{
RECTANGLE fill = default;
mbmpRect.SizeLimit(ref fill);
PInvoke.Call(LibraryNames.USER32, "FillRect", gptColor.DC, new IntPtr(&fill), PInvoke.Call(LibraryNames.GDI32, "GetStockObject", IntPtr.Zero));
UnmanagedFunctionCall.StdCall((IntPtr)FunctionNames.GDIFlush);
mbmp.Blit(gptColor.PixelBuffer, gptColor.Stride, mbmpRect.Height, -mbmpRect.X1, -mbmpRect.Y1, &mbmpRect, null);
PInvoke.Call(LibraryNames.GDI32, "StretchBlt", DC, new IntPtr(dest.X1), new IntPtr(dest.Y1), new IntPtr(dest.Width), new IntPtr(dest.Height), gptColor.DC, IntPtr.Zero, IntPtr.Zero, new IntPtr(mbmpRect.Width), new IntPtr(mbmpRect.Height), new IntPtr(0x8800C6));
gptColor.VirtualCall(0x10); // Free?
}
}
}
else
{
// 0042B3F0
if (clip.CalculateIntersection(in Bounds))
{
if (FlushCounter >= APP.FlushCounter)
{
UnmanagedFunctionCall.StdCall((IntPtr)FunctionNames.GDIFlush);
}
int offsetX = dest.X1 - mbmpRect.X1;
int offsetY = dest.Y1 - mbmpRect.Y1;
mbmp.Blit(PixelBuffer, Stride, Bounds.Height, offsetX, offsetY, &clip, Region);
//var tex = mbmp.GetTexture(graphicsDevice);
//if (tex != null)
//{
// var _dest = new Rectangle(offsetX, offsetY, mbmpRect.Width, mbmpRect.Height);
// var _clip = new Rectangle(clip.X1, clip.Y1, clip.Width, clip.Height);
// RenderTexture(tex, _dest, _clip);
//}
}
}
}
else if (BitDepth == 32)
{
// TODO: Implement 32 bit GPT
if (clip.CalculateIntersection(in Bounds))
{
if (FlushCounter >= APP.FlushCounter)
{
UnmanagedFunctionCall.StdCall((IntPtr)FunctionNames.GDIFlush);
}
int offsetX = dest.X1 - mbmpRect.X1;
int offsetY = dest.Y1 - mbmpRect.Y1;
if (temp == null || temp.Length != Width * Height)
temp = new byte[Width * Height];
fixed(byte *b = temp)
{
mbmp.Blit(new IntPtr(b), 8, Bounds.Height, offsetX, offsetY, &clip, null);
RGBQUAD *p = (RGBQUAD *)PixelBuffer;
for (int y = clip.Y1; y < clip.Y2; y++)
{
for (int x = clip.X1; x < clip.X2; x++)
{
int i = y * Width + x;
*(p + i) = APP.Palette[b[i]];
}
}
}
}
}
}
}
public unsafe static extern void CopyMemory(RGBQUAD *dest, byte *src, int cb);
public static Bitmap LoadImageFormFreeImage(string FileName)
{
Bitmap Bmp = null;
FREE_IMAGE_FORMAT fif = FREE_IMAGE_FORMAT.FIF_UNKNOWN;;
if (FreeImage.IsAvailable() == true)
{
fif = FreeImage.GetFileType(FileName, 0);
if (fif == FREE_IMAGE_FORMAT.FIF_UNKNOWN)
{
fif = FreeImage.GetFIFFromFilename(FileName);
}
if ((fif != FREE_IMAGE_FORMAT.FIF_UNKNOWN) && (FreeImage.FIFSupportsReading(fif) != false))
{
FIBITMAP Dib = FreeImage.Load(fif, FileName, FREE_IMAGE_LOAD_FLAGS.DEFAULT);
uint Bpp = FreeImage.GetBPP(Dib);
PixelFormat PF;
uint Width, Height, Stride;
switch (Bpp)
{
case 1:
PF = PixelFormat.Format1bppIndexed; break;
case 4:
PF = PixelFormat.Format4bppIndexed; break;
case 8:
PF = PixelFormat.Format8bppIndexed; break;
case 16:
PF = PixelFormat.Format16bppRgb555; break;
case 24:
PF = PixelFormat.Format24bppRgb; break;
case 32:
PF = PixelFormat.Format32bppArgb; break;
default:
FreeImage.Unload(Dib);
return(null);
}
Width = FreeImage.GetWidth(Dib); // 图像宽度
Height = FreeImage.GetHeight(Dib); // 图像高度
Stride = FreeImage.GetPitch(Dib); // 图像扫描行的大小,必然是4的整数倍
IntPtr Bits = FreeImage.GetBits(Dib);
Bmp = new Bitmap((int)Width, (int)Height, (int)Stride, PF, Bits);
Bmp.RotateFlip(RotateFlipType.RotateNoneFlipY); // 调用GDI+自己的旋转函数
if (Bpp <= 8)
{
ColorPalette Pal = Bmp.Palette; // 设置调色板
RGBQUAD * GdiPal = (RGBQUAD *)FreeImage.GetPalette(Dib);
int ClrUsed = FreeImage.GetUniqueColors(Dib);
for (int I = 0; I < ClrUsed; I++)
{
Pal.Entries[I] = Color.FromArgb(255, GdiPal[I].Red, GdiPal[I].Green, GdiPal[I].Blue);
}
Bmp.Palette = Pal;
}
FreeImage.Unload(Dib); // 使用方案2则可以立马释放
return(Bmp);
}
}
return(null);
}
unsafe static private int ARGB32_To_NV12(
int dwWidthInPixels,
int dwHeightInPixels,
int dwDestStride,
IntPtr ipSrc,
IntPtr ipDest
)
{
Debug.Assert(dwWidthInPixels % 2 == 0);
Debug.Assert(dwHeightInPixels % 2 == 0);
Debug.Assert(dwDestStride >= dwWidthInPixels);
RGBQUAD *pSrcRow = (RGBQUAD *)ipSrc;
byte * pDestY = (byte *)ipDest;
// Convert the Y plane.
for (int y = 0; y < dwHeightInPixels; y++)
{
RGBQUAD *pSrcPixel = (RGBQUAD *)pSrcRow;
for (int x = 0; x < dwWidthInPixels; x++)
{
// Y0
pDestY[x] = (byte)(((66 * pSrcPixel[x].R + 129 * pSrcPixel[x].G + 25 * pSrcPixel[x].B + 128) >> 8) + 16);
}
pDestY += dwDestStride;
pSrcRow += dwWidthInPixels;
}
// Calculate the offsets for the V and U planes.
// In NV12, each chroma plane has equal stride and half the height as the Y plane.
byte *pDestUV = (byte *)ipDest;
pDestUV += (dwDestStride * dwHeightInPixels);
// Convert the V and U planes.
// NV12 is a 4:2:0 format, so each chroma sample is derived from four RGB pixels.
// The chroma samples are packed in one plane (U,V)
pSrcRow = (RGBQUAD *)ipSrc;
for (int y = 0; y < dwHeightInPixels; y += 2)
{
RGBQUAD *pSrcPixel = (RGBQUAD *)pSrcRow;
RGBQUAD *pNextSrcRow = (RGBQUAD *)(pSrcRow + dwWidthInPixels);
byte *pbUV = pDestUV;
for (int x = 0; x < dwWidthInPixels; x += 2)
{
// Use a simple average to downsample the chroma.
// U
*pbUV++ = (byte)((
(byte)(((-38 * pSrcPixel[x].R - 74 * pSrcPixel[x].G + 112 * pSrcPixel[x].B + 128) >> 8) + 128) +
(byte)(((-38 * pSrcPixel[x + 1].R - 74 * pSrcPixel[x + 1].G + 112 * pSrcPixel[x + 1].B + 128) >> 8) + 128) +
(byte)(((-38 * pNextSrcRow[x].R - 74 * pNextSrcRow[x].G + 112 * pNextSrcRow[x].B + 128) >> 8) + 128) +
(byte)(((-38 * pNextSrcRow[x + 1].R - 74 * pNextSrcRow[x + 1].G + 112 * pNextSrcRow[x + 1].B + 128) >> 8) + 128)
) / 4);
// V
*pbUV++ = (byte)((
(byte)(((112 * pSrcPixel[x].R - 94 * pSrcPixel[x].G - 18 * pSrcPixel[x].B + 128) >> 8) + 128) +
(byte)(((112 * pSrcPixel[x + 1].R - 94 * pSrcPixel[x + 1].G - 18 * pSrcPixel[x + 1].B + 128) >> 8) + 128) +
(byte)(((112 * pNextSrcRow[x].R - 94 * pNextSrcRow[x].G - 18 * pNextSrcRow[x].B + 128) >> 8) + 128) +
(byte)(((112 * pNextSrcRow[x + 1].R - 94 * pNextSrcRow[x + 1].G - 18 * pNextSrcRow[x + 1].B + 128) >> 8) + 128)
) / 4);
}
pDestUV += dwDestStride;
// Skip two lines on the source image.
pSrcRow += (dwWidthInPixels * 2);
}
return((int)(pDestUV - (byte *)ipDest));
}
public GR.Memory.ByteBuffer CreateHDIBAsBuffer()
{
GR.Memory.ByteBuffer result = new GR.Memory.ByteBuffer();
BITMAPINFOHEADER bi = new BITMAPINFOHEADER();
int dwLen;
IntPtr hDIB;
if ((BitsPerPixel != 1) &&
(BitsPerPixel != 2) &&
(BitsPerPixel != 4) &&
(BitsPerPixel != 8) &&
(BitsPerPixel != 15) &&
(BitsPerPixel != 16) &&
(BitsPerPixel != 24) &&
(BitsPerPixel != 32))
{
// not supported depth
return(null);
}
bi.biSize = System.Runtime.InteropServices.Marshal.SizeOf(bi);
bi.biWidth = Width;
bi.biHeight = Height;
bi.biPlanes = 1;
bi.biBitCount = (short)BitsPerPixel;
if (bi.biBitCount == 15)
{
bi.biBitCount = 16;
}
bi.biCompression = (int)BitmapCompression.BI_RGB;
bi.biSizeImage = (int)(((((uint)bi.biWidth * bi.biBitCount) + 31) / 32 * 4) * bi.biHeight);
bi.biXPelsPerMeter = 0;
bi.biYPelsPerMeter = 0;
bi.biClrUsed = 0;
bi.biClrImportant = 0;
// calculate size of memory block required to store BITMAPINFO
dwLen = bi.biSize + PaletteSize(bi) + bi.biSizeImage;
hDIB = System.Runtime.InteropServices.Marshal.AllocHGlobal(dwLen);
if (hDIB == IntPtr.Zero)
{
// uh oh
return(null);
}
unsafe
{
// lock memory block and get pointer to it
BITMAPINFOHEADER *lpbi = (BITMAPINFOHEADER *)GlobalLock(hDIB);
// Daten in den Puffer kopieren
*lpbi = bi;
// Bild-Daten kopieren
switch (bi.biBitCount)
{
case 1:
{
// Palette in DC setzen
if (PaletteEntryCount > 0)
{
RGBQUAD *bmiColor;
bmiColor = (RGBQUAD *)((byte *)lpbi + lpbi->biSize);
for (int i = 0; i < 2; i++)
{
bmiColor[i].rgbRed = PaletteRed(i);
bmiColor[i].rgbGreen = PaletteGreen(i);
bmiColor[i].rgbBlue = PaletteBlue(i);
bmiColor[i].rgbReserved = 0;
}
}
byte *pData = (byte *)lpbi + lpbi->biSize + PaletteSize(bi);
int iLO = Width / 8;
if ((Width & 7) != 0)
{
iLO++;
}
if ((iLO % 4) != 0)
{
iLO += 4 - (iLO % 4);
}
/*
* GR::Graphic::ContextDescriptor cdImage( Image );
* GR::Graphic::ContextDescriptor cdTarget;
*
* cdTarget.Attach( cdImage.Width(), cdImage.Height(), iLO, cdImage.ImageFormat(), pData );
*
* for ( int j = 0; j < Image.Height(); j++ )
* {
* cdTarget.HLine( 0, cdTarget.Width() - 1, j, 1 );
* cdTarget.HLine( 1, cdTarget.Width() - 2, j, 0 );
* }*/
}
break;
case 4:
{
// Palette in DC setzen
if (PaletteEntryCount > 0)
{
RGBQUAD *bmiColor = (RGBQUAD *)((byte *)lpbi + lpbi->biSize);
for (int i = 0; i < 16; i++)
{
bmiColor[i].rgbRed = PaletteRed(i);
bmiColor[i].rgbGreen = PaletteGreen(i);
bmiColor[i].rgbBlue = PaletteBlue(i);
bmiColor[i].rgbReserved = 0;
}
}
byte *pData = (byte *)lpbi + lpbi->biSize + PaletteSize(bi);
int iLO = Width / 2;
if ((Width & 1) != 0)
{
iLO++;
}
if ((iLO % 4) != 0)
{
iLO += 4 - (iLO % 4);
}
for (int j = 0; j < Height; j++)
{
for (int i = 0; i < Width; i++)
{
((byte *)pData)[i + (Height - j - 1) * iLO] = (byte)GetPixel(i, j);
}
}
/*
* GR::Graphic::ContextDescriptor cdImage( Image );
* GR::Graphic::ContextDescriptor cdTarget;
*
* cdTarget.Attach( cdImage.Width(), cdImage.Height(), iLO, cdImage.ImageFormat(), pData );
*
* for ( int j = 0; j < Image.Height(); j++ )
* {
* cdImage.CopyLine( 0, j, cdImage.Width(), 0, cdImage.Height() - j - 1, &cdTarget );
* }*/
}
break;
case 8:
{
// Palette in DC setzen
if (PaletteEntryCount > 0)
{
RGBQUAD *bmiColor;
bmiColor = (RGBQUAD *)((byte *)lpbi + lpbi->biSize);
for (int i = 0; i < 256; i++)
{
bmiColor[i].rgbRed = PaletteRed(i);
bmiColor[i].rgbGreen = PaletteGreen(i);
bmiColor[i].rgbBlue = PaletteBlue(i);
bmiColor[i].rgbReserved = 0;
}
}
byte *pData = (byte *)lpbi + lpbi->biSize + PaletteSize(bi);
int iLO = Width;
if ((iLO % 4) != 0)
{
iLO += 4 - (iLO % 4);
}
for (int j = 0; j < Height; j++)
{
for (int i = 0; i < Width; i++)
{
((byte *)pData)[i + (Height - j - 1) * iLO] = (byte)GetPixel(i, j);
}
}
}
break;
case 16:
{
byte *pData = (byte *)lpbi + lpbi->biSize + PaletteSize(bi);
int iLO = Width * 2;
if ((iLO % 4) != 0)
{
iLO += 4 - (iLO % 4);
}
for (int j = 0; j < Height; j++)
{
for (int i = 0; i < Width; i++)
{
((ushort *)pData)[i + (Height - j - 1) * iLO / 2] = (ushort)GetPixel(i, j);
}
}
}
break;
/*
* case 24:
* {
* byte *pData = (byte*)lpbi + lpbi->biSize + PaletteSize( bi );
*
* int iLO = Width * 3;
* if ( ( iLO % 4 ) != 0 )
* {
* iLO += 4 - ( iLO % 4 );
* }
* for ( int j = 0; j < Height; j++ )
* {
* for ( int i = 0; i < Width; i++ )
* {
* ( (byte*)pData )[3 * i + ( Height - j - 1 ) * iLO] = (byte)*( (byte*)Image.Data() + 3 * ( i + j * Image.Width() ) );
* ( (byte*)pData )[3 * i + ( Height - j - 1 ) * iLO + 1] = (byte)*( (byte*)Image.Data() + 3 * ( i + j * Image.Width() ) + 1 );
* ( (byte*)pData )[3 * i + ( Height - j - 1 ) * iLO + 2] = (byte)*( (byte*)Image.Data() + 3 * ( i + j * Image.Width() ) + 2 );
* }
* }
* }
* break;*/
case 32:
{
byte *pData = (byte *)lpbi + lpbi->biSize + PaletteSize(bi);
int iLO = Width;
for (int j = 0; j < Height; j++)
{
for (int i = 0; i < Width; i++)
{
((uint *)pData)[i + (Height - j - 1) * iLO] = GetPixel(i, j);
}
}
}
break;
default:
Debug.Log("CreateHDIBAsBuffer unsupported depth " + bi.biBitCount);
break;
}
byte *pDIBData = (byte *)lpbi;
for (int i = 0; i < bi.biSize + PaletteSize(bi) + bi.biSizeImage; ++i)
{
result.AppendU8(pDIBData[i]);
}
//bi = *lpbi;
GlobalUnlock(hDIB);
System.Runtime.InteropServices.Marshal.FreeHGlobal(hDIB);
}
return(result);
}
//SFFV2 从索引获取图像数据
public byte[] getSprDataV2(int index, out byte[] pp, FI_FORMAT type, bool loadPal = true)
{
byte[] sprData;
byte[] palData = null;
int sprSize;
IntPtr dib;
sprMsgV2 spr = getSprMsgV2(index);
if (spr.dataLen == 0)
{
//链接型图像
return(getSprDataV2(spr.linkIndex, out pp, type));
}
seek((spr.flags == 1 ? msgV2.tdataOffset : msgV2.ldataOffset) + spr.dataOffset);
//压缩算法(fmt)常量声明这里省略了，直接使用值
//0 无压缩
//2 Rle8压缩
//3 Rle5压缩 几乎不会用到 直接省略
//4 Lz5压缩
//10 PNG8
//11 PNG24
//12 PNG32
if (spr.fmt == 0)
{
sprData = br.ReadBytes(spr.dataLen);
}
else
{
sprSize = br.ReadInt32(); //解压后的校验长度，这里省略了校验
sprData = br.ReadBytes(spr.dataLen - 4);
}
switch (spr.fmt)
{
case 0:
if (loadPal)
{
palData = getPalData(spr.palIndex);
}
pp = palData;
break;
case 2:
sprData = sffV2Decompress.unRle8(sprData);
if (loadPal)
{
palData = getPalData(spr.palIndex);
}
pp = palData;
break;
case 4:
sprData = sffV2Decompress.unLz5(sprData);
if (loadPal)
{
palData = getPalData(spr.palIndex);
}
pp = palData;
break;
case 10:
//压缩算法为PNG算法时读取的数据默认都是一个完整的PNG文件 可以直接载入
palData = getPalData(spr.palIndex);
dib = FI.LoadFromMemory(sprData, FI_FORMAT.FIF_PNG);
//PNG8调色板校正
RGBQUAD *pale = FI.GetPalette(dib);
for (int n = 0; n < 256; n++)
{
pale [n].Red = palData [n * 4];
pale [n].Green = palData [n * 4 + 1];
pale [n].Blue = palData [n * 4 + 2];
}
FI.SaveToMemory(dib, ref sprData, type);
pp = palData;
return(sprData);
case 11:
case 12:
pp = null;
return(sprData);
default:
sprData = new byte[0];
pp = new byte[0];
return(sprData);
}
if (type != FI_FORMAT.FIF_UNKNOWN)
{
//对于无压缩、Rle8和Lz5压缩的图像读取的数据是原始的像素数据 不能直接载入
dib = FI.ConvertFromRawBits(sprData, spr.width, spr.height, spr.width, 8, 0, 0, 0, true);
RGBQUAD *pal = FI.GetPalette(dib);
int colorNum = palData.Length / 4;
for (int n = 0; n < colorNum; n++)
{
pal [n].Red = palData [n * 4];
pal [n].Green = palData [n * 4 + 1];
pal [n].Blue = palData [n * 4 + 2];
}
FI.SaveToMemory(dib, ref sprData, type);
FI.Free(dib);
return(sprData);
}
else
{
return(sprData);
}
}
//SFFV1 从索引获取指定图像数据
public byte[] getSprDataV1(int index, out byte[] pp, FI_FORMAT type)
{
int offset = msgV1.sprOffset;
sprMsgV1 spr = new sprMsgV1();
byte[] facePalData = new byte[0];
byte[] palData = new byte[0];
byte[] sprData = new byte[0];
for (int i = 0; i < msgV1.sprNum; i++)
{
seek(offset);
offset = br.ReadInt32();
spr.pcxDataLen = br.ReadInt32();
spr.x = br.ReadInt16();
spr.y = br.ReadInt16();
spr.group = br.ReadUInt16();
spr.index = br.ReadUInt16();
spr.linkIndex = br.ReadUInt16();
spr.palType = br.ReadByte();
if (i == 0)
{
//第一张图强制为独立色表
spr.palType = 0;
}
seek(13, SeekOrigin.Current);
if ((spr.group == 0 && spr.index == 0 || spr.group == 9000 && spr.index == 0) && facePalData.Length != 0)
{
//0,0和9000,0强制为独立色表，且使用第一张色表
palData = facePalData;
}
if (i == index)
{
if (spr.pcxDataLen == 0)
{
//链接型图像
return(getSprDataV1(spr.linkIndex, out pp, type));
}
sprData = br.ReadBytes(spr.pcxDataLen);
if (type != FI_FORMAT.FIF_UNKNOWN)
{
IntPtr dib = FI.LoadFromMemory(sprData, FI_FORMAT.FIF_PCX);
if (spr.palType == 1)
{
RGBQUAD *pal = FI.GetPalette(dib);
for (int n = 0; n < 256; n++)
{
pal[n].Red = palData[n * 3];
pal[n].Green = palData[n * 3 + 1];
pal[n].Blue = palData[n * 3 + 2];
}
}
FI.SaveToMemory(dib, ref sprData, type);
//释放图像流
FI.Free(dib);
}
pp = palData;
return(sprData);
}
else
{
if (spr.palType == 0)
{
//读取PCX尾部色表数据
seek(spr.pcxDataLen - 768, SeekOrigin.Current);
palData = br.ReadBytes(768);
if (i == 0)
{
//保留第一张图的色表
facePalData = palData;
}
}
}
}
pp = null;
return(null);
}
