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 static void BuildBitmapAtlas(AtlasProject atlasProj, Func <string, MemBitmap> imgLoader, bool test_extract = false)
{
//demonstrate how to build a bitmap atlas
List <AtlasItemSourceFile> fileList = atlasProj.Items;
//1. create builder
var bmpAtlasBuilder = new SimpleBitmapAtlasBuilder();
ushort index = 0;
Dictionary <string, ushort> imgDic = new Dictionary <string, ushort>();
foreach (AtlasItemSourceFile f in fileList)
{
if (f.Kind != AtlasItemSourceKind.Image)
{
continue;
}
//3. load a bitmap
BitmapAtlasItemSource atlasItem = null;
using (MemBitmap itemBmp = imgLoader(f.AbsoluteFilename))
{
//4. get information about it
atlasItem = new BitmapAtlasItemSource(itemBmp.Width, itemBmp.Height);
atlasItem.SetImageBuffer(MemBitmap.CopyImgBuffer(itemBmp));
}
atlasItem.UniqueInt16Name = index;
//5. add to builder
bmpAtlasBuilder.AddItemSource(atlasItem);
//get relative filename
string imgPath = "//" + f.Link;
imgDic.Add(imgPath, index);
index++;
//------------
#if DEBUG
if (index >= ushort.MaxValue)
{
throw new NotSupportedException();
}
#endif
//------------
}
if (imgDic.Count == 0)
{
//no file
return;
}
string atlasInfoFile = atlasProj.OutputFilename + ".info";
string totalImgFile = atlasProj.OutputFilename + ".png";
//5. merge all small images into a bigone
using (MemBitmap totalImg = bmpAtlasBuilder.BuildSingleImage(false))
{
bmpAtlasBuilder.ImgUrlDict = imgDic;
bmpAtlasBuilder.SetAtlasInfo(TextureKind.Bitmap, 0); //font size
//6. save atlas info and total-img (.png file)
bmpAtlasBuilder.SaveAtlasInfo(atlasInfoFile);
totalImg.SaveImage(totalImgFile);
}
//----------------------
//7. create an atlas file in a source file version, user can embed the source to file
//easy, just read .info and .png then convert to binary buffer
BuildAtlasInEmbededSourceVersion(atlasProj, atlasInfoFile, totalImgFile, imgDic);
//----------------------
//test, read data back
//----------------------
if (test_extract)
{
bmpAtlasBuilder = new SimpleBitmapAtlasBuilder();
SimpleBitmapAtlas bitmapAtlas = bmpAtlasBuilder.LoadAtlasInfo(atlasInfoFile)[0];
//
MemBitmap totalAtlasImg = imgLoader(totalImgFile);
bitmapAtlas.SetMainBitmap(imgLoader(totalImgFile), true);
//-----
for (int i = 0; i < index; ++i)
{
if (bitmapAtlas.TryGetItem((ushort)i, out AtlasItem 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.TryGetItem(@"\chk_checked.png", out AtlasItem bmpMapData))
{
MemBitmap itemImg = totalAtlasImg.CopyImgBuffer(bmpMapData.Left, bmpMapData.Top, bmpMapData.Width, bmpMapData.Height);
itemImg.SaveImage("test1_atlas_item_a.png");
}
}
}
}
