unsafe internal static void CopyGlyphBitmap(NativeFontGlyph fontGlyph)
{
FT_Bitmap *ftBmp = (FT_Bitmap *)fontGlyph.nativeBmpPtr;
//image is 8 bits grayscale
int h = ftBmp->rows;
int w = ftBmp->width;
int stride = ftBmp->pitch;
int size = stride * h;
//copy it to array
//bmp glyph is bottom up
//so .. invert it...
byte[] buff = new byte[size];
//------------------------------------------------
byte *currentSrc = ftBmp->buffer;
int srcpos = size;
int targetpos = 0;
for (int r = 1; r <= h; ++r)
{
srcpos -= stride;
currentSrc = ftBmp->buffer + srcpos;
for (int c = 0; c < stride; ++c)
{
buff[targetpos] = *(currentSrc + c);
targetpos++;
}
}
////------------------------------------------------
//IntPtr bmpPtr = (IntPtr)ftBmp->buffer;
//Marshal.Copy((IntPtr)ftBmp->buffer, buff, 0, size);
////------------------------------------------------
//------------------------------------------------
fontGlyph.glyImgBuffer8 = buff;
//convert to 32bpp
//make gray value as alpha channel color value
ActualImage actualImage = new ActualImage(w, h, Agg.PixelFormat.ARGB32);
byte[] newBmp32Buffer = ActualImage.GetBuffer(actualImage);
int src_p = 0;
int target_p = 0;
for (int r = 0; r < h; ++r)
{
for (int c = 0; c < w; ++c)
{
byte srcColor = buff[src_p + c];
//expand to 4 channel
newBmp32Buffer[target_p] = 0;
newBmp32Buffer[target_p + 1] = 0;
newBmp32Buffer[target_p + 2] = 0;
newBmp32Buffer[target_p + 3] = srcColor; //A
target_p += 4;
}
src_p += stride;
}
fontGlyph.glyphImage32 = actualImage;
}
unsafe internal static void CopyGlyphBitmap(FontGlyph fontGlyph, ExportGlyph *exportTypeFace)
{
FT_Bitmap *ftBmp = (FT_Bitmap *)exportTypeFace->bitmap;
//image is 8 bits grayscale
int h = ftBmp->rows;
int w = ftBmp->width;
int stride = ftBmp->pitch;
int size = stride * h;
//copy it to array
//bmp glyph is bottom up
//so .. invert it...
byte[] buff = new byte[size];
//------------------------------------------------
byte *currentSrc = ftBmp->buffer;
int srcpos = size;
int targetpos = 0;
for (int r = 1; r <= h; ++r)
{
srcpos -= stride;
currentSrc = ftBmp->buffer + srcpos;
for (int c = 0; c < stride; ++c)
{
buff[targetpos] = *(currentSrc + c);
targetpos++;
}
}
////------------------------------------------------
//IntPtr bmpPtr = (IntPtr)ftBmp->buffer;
//Marshal.Copy((IntPtr)ftBmp->buffer, buff, 0, size);
////------------------------------------------------
//------------------------------------------------
fontGlyph.glyImgBuffer8 = buff;
//convert to 32bpp
//make gray value as alpha channel color value
ActualImage actualImage = new ActualImage(w, h, Agg.Image.PixelFormat.Rgba32);
int newstride = stride * 4;
byte[] newBmp32Buffer = actualImage.GetBuffer();
int src_p = 0;
int target_p = 0;
for (int r = 0; r < h; ++r)
{
for (int c = 0; c < w; ++c)
{
byte srcColor = buff[src_p + c];
//expand to 4 channel
newBmp32Buffer[target_p] = 0; //R
newBmp32Buffer[target_p + 1] = 0; //G
newBmp32Buffer[target_p + 2] = 0; //B
newBmp32Buffer[target_p + 3] = srcColor; //A
target_p += 4;
}
src_p += stride;
}
fontGlyph.glyphImage32 = actualImage;
////------------------------------------------------
//{
// //add System.Drawing to references
// //save image for debug***
//
// byte[] buffer = new byte[size];
// Marshal.Copy((IntPtr)ftBmp->buffer, buffer, 0, size);
// ////save to
// System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format8bppIndexed);
// var bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, w, h),
// System.Drawing.Imaging.ImageLockMode.ReadWrite,
// bmp.PixelFormat);
// Marshal.Copy(buffer, 0, bmpdata.Scan0, size);
// bmp.UnlockBits(bmpdata);
// bmp.Save("d:\\WImageTest\\glyph.png");
//}
}