public void Pack()
{
atlasPath = null;
jsonPath = null;
//@todo
if (_PURE_WHITE == null)
{
_PURE_WHITE = AssetDatabase.LoadAssetAtPath <Texture2D>("Assets/SeinJSUnityToolkit/Shaders/white.png");
}
atlasTexture = new Texture2D(maxWidth, maxHeight);
Graphics.CopyTexture(_PURE_WHITE, 0, 0, 0, 0, maxWidth, maxHeight, atlasTexture, 0, 0, 0, 0);
Utils.DoActionForTextures(ref images, (texs) =>
{
rects = BinPacker.Pack(texs, atlasTexture, padding);
atlasTexture.Apply();
});
if (rects == null)
{
EditorUtility.DisplayDialog("Error!", "Pack failed, atlas' size may be too small !", "OK");
return;
}
if (saveAfterPack)
{
Save();
}
}
public void Pack_AdjustedGlyphs_All()
{
// Arrange
var glyphs = new List <Bitmap>();
glyphs.Add(new Bitmap(5, 5));
glyphs[0].SetPixel(2, 1, Color.White);
glyphs[0].SetPixel(2, 2, Color.White);
glyphs[0].SetPixel(2, 3, Color.White);
glyphs[0].SetPixel(1, 2, Color.White);
glyphs[0].SetPixel(3, 2, Color.White);
glyphs.Add(new Bitmap(5, 5));
glyphs[1].SetPixel(2, 2, Color.White);
glyphs[1].SetPixel(2, 1, Color.White);
glyphs[1].SetPixel(3, 2, Color.White);
glyphs.Add(new Bitmap(2, 2));
glyphs[2].SetPixel(0, 0, Color.White);
glyphs[2].SetPixel(1, 0, Color.White);
var adjustedGlyphs = FontMeasurement.MeasureWhiteSpace(glyphs);
var binPacker = new BinPacker(new Size(5, 3));
// Act
var boxes = binPacker.Pack(adjustedGlyphs).ToArray();
// Assert
boxes.Length.Should().Be(3);
boxes[0].position.Should().Be(Point.Empty);
boxes[1].position.Should().Be(new Point(3, 0));
boxes[2].position.Should().Be(new Point(3, 2));
}
static void TestBinPack()
{
List <Bin> bins = new List <Bin>();
for (int i = 0; i < 10; ++i)
{
Bin b = new Bin();
b.Size = new Vec2i(100, 100);
bins.Add(b);
}
Bin b2 = new Bin();
b2.Size = new Vec2i(12, 200);
bins.Add(b2);
Bin b3 = new Bin();
b3.Size = new Vec2i(1, 90);
bins.Add(b3);
BinPacker bp = new BinPacker(512);
bp.Pack(bins);
Console.WriteLine("Total size: {0} x {1}", bp.Width, bp.Height);
}
public void Pack_AdjustedGlyphs_Space()
{
// Arrange
var glyphs = new List <Bitmap>();
glyphs.Add(new Bitmap(5, 5));
var adjustedGlyphs = FontMeasurement.MeasureWhiteSpace(glyphs);
var binPacker = new BinPacker(new Size(6, 6));
// Act
var boxes = binPacker.Pack(adjustedGlyphs).ToArray();
// Assert
boxes.Length.Should().Be(1);
boxes[0].position.Should().Be(new Point(1, 1));
}
/*
* This function try to rearranges all objects on the build platform so they
* do not touch each other
*/
public void RearrangeObjects()
{
BinPacker bp = new BinPacker();
List<BinPacker.BinRect> rects = new List<BinPacker.BinRect>();
foreach (Object3d obj in m_objects)
{
if (obj.tag != Object3d.OBJ_NORMAL)
continue;
float w = obj.m_max.x - obj.m_min.x;
float h = obj.m_max.y - obj.m_min.y;
BinPacker.BinRect rc = new BinPacker.BinRect(w, h, obj);
rects.Add(rc);
}
float pw = (float)UVDLPApp.Instance().m_printerinfo.m_PlatXSize;
float ph = (float)UVDLPApp.Instance().m_printerinfo.m_PlatYSize;
bp.Pack(rects, (int)pw, (int)ph, true);
// find pack size
int maxw = 0;
int maxh = 0;
foreach (BinPacker.BinRect rc in rects)
{
if (rc.packed && ((rc.x + rc.w) > maxw))
maxw = rc.x + rc.w;
if (rc.packed && ((rc.y + rc.h) > maxh))
maxh = rc.y + rc.h;
}
// find offsets to center all objects
float offsx = -(float)maxw / 2f + 0.5f;
float offsy = -(float)maxh / 2f + 0.5f;
// move all objects to new positions
foreach (BinPacker.BinRect rc in rects)
{
Object3d obj = (Object3d)rc.obj;
if (rc.packed)
{
if (rc.rotated)
obj.Rotate(0, 0, 1.570796326f);
float dx = rc.x - obj.m_min.x + offsx;
float dy = rc.y - obj.m_min.y + offsy;
obj.Translate(dx, dy, 0, true);
}
else
{
// object could not fit, place outside platform
obj.Translate(pw / 2f - obj.m_min.x, 0, 0, true);
}
}
UVDLPApp.Instance().RaiseAppEvent(eAppEvent.eReDraw,"Redraw new arrangement");
}
public void GenereteUserTexture()
{
if (mUserTexture >= 0)
{
DeleteTexture(mUserTexture);
}
// step 1, arrange all textures in a one big bitmap;
Bitmap bmp = new Bitmap(2048, 2048, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
float tw = bmp.Width;
float th = bmp.Height;
BinPacker bp = new BinPacker();
List <BinPacker.BinRect> rects = new List <BinPacker.BinRect>();
foreach (C2DImage img in mNewImages)
{
BinPacker.BinRect rc = new BinPacker.BinRect(img.w, img.h, img);
rects.Add(rc);
}
bp.Pack(rects, bmp.Width, bmp.Height, false);
List <C2DImage> packedImages = new List <C2DImage>();
foreach (BinPacker.BinRect rc in rects)
{
C2DImage img = (C2DImage)rc.obj;
if (rc.packed)
{
img.x = rc.x;
img.y = rc.y;
img.x1 = (img.x + 0.5f) / tw;
img.y1 = (img.y + 0.5f) / th;
img.x2 = img.x1 + (float)(img.w - 1) / tw;
img.y2 = img.y1 + (float)(img.h - 1) / th;
img.scalex = tw;
img.scaley = th;
for (int i = 0; i < img.bmp.Height; i++)
{
System.Drawing.Imaging.BitmapData ddata = bmp.LockBits(new Rectangle((int)img.x, (int)img.y + i, img.bmp.Width, 1),
System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
System.Drawing.Imaging.BitmapData sdata = img.bmp.LockBits(new Rectangle(0, i, img.bmp.Width, 1),
System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
int numBytes = 4 * img.bmp.Width;
byte[] rgbValues = new byte[numBytes];
Marshal.Copy(sdata.Scan0, rgbValues, 0, numBytes);
Marshal.Copy(rgbValues, 0, ddata.Scan0, numBytes);
bmp.UnlockBits(ddata);
img.bmp.UnlockBits(sdata);
}
packedImages.Add(img);
mNewImages.Remove(img);
}
}
if (mNewImages.Count != 0)
{
DebugLogger.Instance().LogError("Not all user images could be loaded");
}
//bmp.Save("packedbmp.png", System.Drawing.Imaging.ImageFormat.Png);
mUserTexture = LoadTextureImage(bmp);
foreach (C2DImage img in packedImages)
{
img.tex = mUserTexture;
ImgDbase[img.name] = img;
}
needPacking = false;
}
public void GenereteUserTexture()
{
if (mUserTexture >= 0)
DeleteTexture(mUserTexture);
// step 1, arrange all textures in a one big bitmap;
Bitmap bmp = new Bitmap(2048, 2048, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Graphics gr = Graphics.FromImage(bmp);
gr.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceCopy;
//gr.ResetTransform();
//gr.PageUnit = GraphicsUnit.Pixel;
using (Brush br = new SolidBrush(Color.FromArgb(0, 0, 0, 0)))
{
gr.FillRectangle(br, new Rectangle(0,0,bmp.Width,bmp.Height));
}
float tw = bmp.Width;
float th = bmp.Height;
BinPacker bp = new BinPacker();
List<BinPacker.BinRect> rects = new List<BinPacker.BinRect>();
foreach (C2DImage img in mNewImages)
{
BinPacker.BinRect rc = new BinPacker.BinRect(img.w, img.h, img);
rects.Add(rc);
}
bp.Pack(rects, bmp.Width, bmp.Height, false);
List<C2DImage> packedImages = new List<C2DImage>();
foreach (BinPacker.BinRect rc in rects)
{
C2DImage img = (C2DImage)rc.obj;
if (rc.packed)
{
img.x = rc.x;
img.y = rc.y;
img.x1 = (img.x + 0.5f) / tw;
img.y1 = (img.y + 0.5f) / th;
img.x2 = img.x1 + (float)(img.w - 1) / tw;
img.y2 = img.y1 + (float)(img.h - 1) / th;
img.scalex = tw;
img.scaley = th;
gr.DrawImage(img.bmp, img.x, img.y, img.bmp.Width, img.bmp.Height);
//img.bmp.Save("origbmp.png", System.Drawing.Imaging.ImageFormat.Png);
packedImages.Add(img);
mNewImages.Remove(img);
}
}
if (mNewImages.Count != 0)
{
DebugLogger.Instance().LogError("Not all user images could be loaded");
}
//bmp.Save("packedbmp.png", System.Drawing.Imaging.ImageFormat.Png);
mUserTexture = LoadTextureImage(bmp);
foreach (C2DImage img in packedImages)
{
img.tex = mUserTexture;
ImgDbase[img.name] = img;
}
needPacking = false;
}
/*
* This function try to rearranges all objects on the build platform so they
* do not touch each other
*/
public void RearrangeObjects()
{
BinPacker bp = new BinPacker();
List <BinPacker.BinRect> rects = new List <BinPacker.BinRect>();
foreach (Object3d obj in m_objects)
{
if (obj.tag != Object3d.OBJ_NORMAL)
{
continue;
}
float w = obj.m_max.x - obj.m_min.x;
float h = obj.m_max.y - obj.m_min.y;
BinPacker.BinRect rc = new BinPacker.BinRect(w, h, obj);
rects.Add(rc);
}
float pw = (float)UVDLPApp.Instance().m_printerinfo.m_PlatXSize;
float ph = (float)UVDLPApp.Instance().m_printerinfo.m_PlatYSize;
bp.Pack(rects, (int)pw, (int)ph, true);
// find pack size
int maxw = 0;
int maxh = 0;
foreach (BinPacker.BinRect rc in rects)
{
if (rc.packed && ((rc.x + rc.w) > maxw))
{
maxw = rc.x + rc.w;
}
if (rc.packed && ((rc.y + rc.h) > maxh))
{
maxh = rc.y + rc.h;
}
}
// find offsets to center all objects
float offsx = -(float)maxw / 2f + 0.5f;
float offsy = -(float)maxh / 2f + 0.5f;
// move all objects to new positions
foreach (BinPacker.BinRect rc in rects)
{
Object3d obj = (Object3d)rc.obj;
if (rc.packed)
{
if (rc.rotated)
{
obj.Rotate(0, 0, 1.570796326f);
}
float dx = rc.x - obj.m_min.x + offsx;
float dy = rc.y - obj.m_min.y + offsy;
obj.Translate(dx, dy, 0, true);
}
else
{
// object could not fit, place outside platform
obj.Translate(pw / 2f - obj.m_min.x, 0, 0, true);
}
}
UVDLPApp.Instance().RaiseAppEvent(eAppEvent.eReDraw, "Redraw new arrangement");
}