public override void RenderTo(Image destImg, int srcX, int srcYy, int srcW, int srcH)
{
//render back buffer to target image
unsafe
{
CpuBlit.MemBitmap memBmp = destImg as CpuBlit.MemBitmap;
if (memBmp != null)
{
CpuBlit.Imaging.TempMemPtr tmpPtr = CpuBlit.MemBitmap.GetBufferPtr(memBmp);
byte *head = (byte *)tmpPtr.Ptr;
_gdigsx.RenderTo(head);
tmpPtr.Dispose();
}
}
}
/// <summary>
/// we STORE membitmap inside this rgn,
/// </summary>
/// <param name="bmp"></param>
public BitmapBasedRegion(CpuBlit.MemBitmap bmp)
{
_bmp = bmp;
_bounds = new Rectangle(0, 0, _bmp.Width, _bmp.Height);
}
public void BuildMultiFontSize(string multiFontSizrAtlasFilename, string imgOutputFilename)
{
//merge to the new one
//1. ensure same atlas width
int atlasW = 0;
int j = _simpleFontInfoList.Count;
int totalHeight = 0;
const int interAtlasSpace = 2;
for (int i = 0; i < j; ++i)
{
SimpleFontAtlasInfo atlasInfo = _simpleFontInfoList[i];
SimpleFontAtlas fontAtlas = atlasInfo.fontAtlasFile.ResultSimpleFontAtlasList[0];
totalHeight += fontAtlas.Height + interAtlasSpace;
if (i == 0)
{
atlasW = fontAtlas.Width;
}
else
{
if (atlasW != fontAtlas.Width)
{
throw new NotSupportedException();
}
}
}
//--------------------------------------------
//in this version, the glyph offsetY is measure from bottom***
int[] offsetFromBottoms = new int[j];
int offsetFromBottom = interAtlasSpace;//start offset
for (int i = j - 1; i >= 0; --i)
{
SimpleFontAtlasInfo atlasInfo = _simpleFontInfoList[i];
SimpleFontAtlas fontAtlas = atlasInfo.fontAtlasFile.ResultSimpleFontAtlasList[0];
offsetFromBottoms[i] = offsetFromBottom;
offsetFromBottom += fontAtlas.Height + interAtlasSpace;
}
//--------------------------------------------
//merge all img to one
int top = 0;
using (PixelFarm.CpuBlit.MemBitmap memBitmap = new CpuBlit.MemBitmap(atlasW, totalHeight))
{
PixelFarm.CpuBlit.AggPainter painter = PixelFarm.CpuBlit.AggPainter.Create(memBitmap);
for (int i = 0; i < j; ++i)
{
SimpleFontAtlasInfo atlasInfo = _simpleFontInfoList[i];
FontAtlasFile atlasFile = atlasInfo.fontAtlasFile;
SimpleFontAtlas fontAtlas = atlasInfo.fontAtlasFile.ResultSimpleFontAtlasList[0];
atlasInfo.NewCloneLocations = SimpleFontAtlas.CloneLocationWithOffset(fontAtlas, 0, offsetFromBottoms[i]);
using (System.IO.Stream fontImgStream = PixelFarm.Platforms.StorageService.Provider.ReadDataStream(atlasInfo.imgFile))
using (PixelFarm.CpuBlit.MemBitmap atlasBmp = PixelFarm.CpuBlit.MemBitmap.LoadBitmap(fontImgStream))
{
painter.DrawImage(atlasBmp, 0, top);
top += atlasBmp.Height + interAtlasSpace;
}
}
memBitmap.SaveImage(imgOutputFilename);
}
//--------------------------------------------
//save merged font atlas
//TODO: use 'File' provider to access system file
using (FileStream fs = new FileStream(multiFontSizrAtlasFilename, FileMode.Create))
using (BinaryWriter w = new BinaryWriter(fs))
{
//-----------
//overview
//total img info
FontAtlasFile fontAtlasFile = new FontAtlasFile();
fontAtlasFile.StartWrite(fs);
//1. simple atlas count
fontAtlasFile.WriteOverviewMultiSizeFontInfo((ushort)j);
//2.
for (int i = 0; i < j; ++i)
{
SimpleFontAtlasInfo atlasInfo = _simpleFontInfoList[i];
RequestFont reqFont = atlasInfo.reqFont;
fontAtlasFile.WriteOverviewFontInfo(reqFont.Name, reqFont.FontKey, reqFont.SizeInPoints);//size in points
fontAtlasFile.WriteTotalImageInfo(
(ushort)atlasW,
(ushort)top,
4,
atlasInfo.textureKind);
//
//
fontAtlasFile.WriteGlyphList(atlasInfo.NewCloneLocations);
}
fontAtlasFile.EndWrite();
}
}
public void DrawString(char[] textBuffer, int startAt, int len, double x, double y)
{
//TODO: review performance
_memdc.PatBlt(Win32.NativeWin32MemoryDC.PatBltColor.White, 0, 0, _bmpWidth, _bmpHeight);
_memdc.TextOut(textBuffer);
//memdc.BitBltTo(destHdc);
// Win32.Win32Utils.BitBlt(hdc, 0, 0, bmpWidth, 50, memHdc, 0, 0, Win32.MyWin32.SRCCOPY);
//---------------
int stride = 4 * ((_bmpWidth * 32 + 31) / 32);
//Bitmap newBmp = new Bitmap(bmpWidth, 50, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//var bmpData = newBmp.LockBits(new Rectangle(0, 0, bmpWidth, 50), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
byte[] tmp1 = new byte[stride * 50];
System.Runtime.InteropServices.Marshal.Copy(_memdc.PPVBits, tmp1, 0, tmp1.Length);
//---------------
int pos = 3;
for (int r = 0; r < 50; ++r)
{
for (int c = 0; c < stride; ++c)
{
tmp1[pos] = 255;
pos += 4;
c += 4;
}
}
_memdc.MeasureTextSize(textBuffer, out _bmpWidth, out _bmpHeight);
var memBmp = new CpuBlit.MemBitmap(_bmpWidth, _bmpHeight);
#if DEBUG
memBmp._dbugNote = "WinGdiFontPrinter.DrawString";
#endif
//------------------------------------------------------
//copy bmp from specific bmp area
//and convert to GLBmp
unsafe
{
using (CpuBlit.Imaging.TempMemPtr.FromBmp(memBmp, out byte *dest0))
{
byte *header = (byte *)_memdc.PPVBits;
{
byte *dest = dest0;
byte *rowHead = header;
int rowLen = _bmpWidth * 4;
for (int h = 0; h < _bmpHeight; ++h)
{
header = rowHead;
for (int n = 0; n < rowLen;)
{
//move next
*(dest + 0) = *(header + 0);
*(dest + 1) = *(header + 1);
*(dest + 2) = *(header + 2);
//*(dest + 3) = *(header + 3);
*(dest + 3) = 255;
header += 4;
dest += 4;
n += 4;
}
//finish one row
rowHead += stride;
}
}
}
}
//------------------------------------------------------
GLBitmap glBmp = new GLBitmap(new MemBitmapBinder(memBmp, false));
_pcx.DrawImage(glBmp, (float)x, (float)y);
glBmp.Dispose();
}
