public static void Test(string imgdir, Func <string, MemBitmap> imgLoader)
{
SimpleBitmapAtlasBuilder bmpAtlasBuilder = new SimpleBitmapAtlasBuilder();
//test!
int imgdirNameLen = imgdir.Length;
string[] filenames = System.IO.Directory.GetFiles(imgdir, "*.png");
ushort index = 0;
Dictionary <string, ushort> imgDic = new Dictionary <string, ushort>();
foreach (string f in filenames)
{
MemBitmap itemBmp = imgLoader(f);
AtlasItemImage atlasItem = new AtlasItemImage(itemBmp.Width, itemBmp.Height);
atlasItem.OriginalBounds = new PixelFarm.Drawing.RectangleF(0, 0, itemBmp.Width, itemBmp.Height);
atlasItem.SetBitmap(itemBmp, false);
//
bmpAtlasBuilder.AddAtlasItemImage(index, atlasItem);
string imgPath = f.Substring(imgdirNameLen);
imgDic.Add(imgPath, index);
index++;
//------------
#if DEBUG
if (index >= ushort.MaxValue)
{
throw new NotSupportedException();
}
#endif
//------------
}
//string atlasInfoFile = "d:\\WImageTest\\test1_atlas.info";
//string totalImgFile = "d:\\WImageTest\\test1_atlas.png";
string atlasInfoFile = "test1_atlas.info";
string totalImgFile = "test1_atlas.png";
//test, write data to disk
AtlasItemImage totalImg = bmpAtlasBuilder.BuildSingleImage();
bmpAtlasBuilder.ImgUrlDict = imgDic;
bmpAtlasBuilder.SetAtlasInfo(TextureKind.Bitmap);
bmpAtlasBuilder.SaveAtlasInfo(atlasInfoFile); //save to filename
totalImg.Bitmap.SaveImage(totalImgFile);
//-----
//test, read data back
bmpAtlasBuilder = new SimpleBitmapAtlasBuilder();
SimpleBitmaptAtlas bitmapAtlas = bmpAtlasBuilder.LoadAtlasInfo(atlasInfoFile);
//
MemBitmap totalAtlasImg = imgLoader(totalImgFile);
AtlasItemImage atlasImg = new AtlasItemImage(totalAtlasImg.Width, totalAtlasImg.Height);
bitmapAtlas.TotalImg = atlasImg;
for (int i = 0; i < index; ++i)
{
if (bitmapAtlas.TryGetBitmapMapData((ushort)i, out BitmapMapData bmpMapData))
{
//test copy data from bitmap
MemBitmap itemImg = totalAtlasImg.CopyImgBuffer(bmpMapData.Left, bmpMapData.Top, bmpMapData.Width, bmpMapData.Height);
itemImg.SaveImage("test1_atlas_item" + i + ".png");
}
}
//test,
{
if (bitmapAtlas.TryGetBitmapMapData(@"\chk_checked.png", out BitmapMapData bmpMapData))
{
MemBitmap itemImg = totalAtlasImg.CopyImgBuffer(bmpMapData.Left, bmpMapData.Top, bmpMapData.Width, bmpMapData.Height);
itemImg.SaveImage("test1_atlas_item_a.png");
}
}
}
public void DrawImage(GLPainter glPainter, AtlasImageBinder atlasImgBinder, float left, float top)
{
switch (atlasImgBinder.State)
{
case LayoutFarm.BinderState.Loaded:
{
GLBitmap glbmp = LayoutFarm.ImageBinder.GetCacheInnerImage(atlasImgBinder) as GLBitmap;
if (glbmp != null)
{
BitmapMapData mapData = atlasImgBinder.MapData;
Rectangle srcRect =
new Rectangle(mapData.Left,
mapData.Top, //diff from font atlas***
mapData.Width,
mapData.Height);
TextureKind textureKind = _bmpAtlas.TextureKind;
switch (textureKind)
{
default:
case TextureKind.Msdf:
throw new NotSupportedException();
case TextureKind.Bitmap:
{
atlasImgBinder.State = LayoutFarm.BinderState.Loaded;
LayoutFarm.ImageBinder.SetCacheInnerImage(atlasImgBinder, _glBmp, false);
atlasImgBinder.MapData = mapData;
glPainter.PainterContext.DrawSubImage(_glBmp,
ref srcRect,
left,
top);
}
break;
}
}
}
break;
case LayoutFarm.BinderState.Unload:
{
//load img first
if (_lastestImgFile != atlasImgBinder.AtlasName)
{
_bmpAtlas = _atlasManager.GetBitmapAtlas(atlasImgBinder.AtlasName, out _glBmp);
if (_bmpAtlas == null)
{
//error
atlasImgBinder.State = LayoutFarm.BinderState.Error; //not found
return;
}
_lastestImgFile = atlasImgBinder.AtlasName;
}
//--------
if (_bmpAtlas.TryGetBitmapMapData(atlasImgBinder.ImageName, out BitmapMapData mapData))
{
//found map data
Rectangle srcRect =
new Rectangle(mapData.Left,
mapData.Top, //diff from font atlas***
mapData.Width,
mapData.Height);
TextureKind textureKind = _bmpAtlas.TextureKind;
switch (textureKind)
{
default:
case TextureKind.Msdf:
throw new NotSupportedException();
case TextureKind.Bitmap:
{
atlasImgBinder.State = LayoutFarm.BinderState.Loaded;
LayoutFarm.ImageBinder.SetCacheInnerImage(atlasImgBinder, _glBmp, false);
atlasImgBinder.MapData = mapData;
atlasImgBinder.SetPreviewImageSize(mapData.Width, mapData.Height);
atlasImgBinder.RaiseImageChanged();
glPainter.PainterContext.DrawSubImage(_glBmp,
ref srcRect,
left,
top);
}
break;
}
}
else
{
atlasImgBinder.State = LayoutFarm.BinderState.Error; //not found
}
}
break;
}
if (atlasImgBinder.State == LayoutFarm.BinderState.Unload)
{
}
}
