public virtual LImage SetTileBackground(LImage image, bool isReturn)
{
if (image == null)
{
return(null);
}
int layerWidth = GetWidth();
int layerHeight = GetHeight();
int tileWidth = image.GetWidth();
int tileHeight = image.GetHeight();
LImage tempImage = LImage.CreateImage(layerWidth, layerHeight, false);
LGraphics g = tempImage.GetLGraphics();
for (int x = 0; x < layerWidth; x += tileWidth)
{
for (int y = 0; y < layerHeight; y += tileHeight)
{
g.DrawImage(image, x, y);
}
}
g.Dispose();
if (isReturn)
{
return(tempImage);
}
tempImage.SetFormat(Loon.Core.Graphics.Opengl.LTexture.Format.SPEED);
SetBackground(tempImage.GetTexture());
if (tempImage != null)
{
tempImage.Dispose();
tempImage = null;
}
return(null);
}
public static LTexture FilterColor(string res, LColor height, Loon.Core.Graphics.Opengl.LTexture.Format format)
{
uint color = height.GetRGB();
LImage tmp = LImage.CreateImage(res);
LImage image = LImage.CreateImage(tmp.GetWidth(), tmp.GetHeight(), true);
LGraphics g = image.GetLGraphics();
g.DrawImage(tmp, 0, 0);
g.Dispose();
if (tmp != null)
{
tmp.Dispose();
tmp = null;
}
Color[] pixels = image.GetPixels();
int size = pixels.Length;
for (int i = 0; i < size; i++)
{
if (pixels[i].PackedValue == color)
{
pixels[i].PackedValue = LSystem.TRANSPARENT;
}
}
image.SetFormat(format);
image.SetPixels(pixels, image.GetWidth(), image.GetHeight());
LTexture texture = image.GetTexture();
if (image != null)
{
image.Dispose();
image = null;
}
return(texture);
}
public static LTexture FilterLimitColor(string res, LColor start,
LColor end, Loon.Core.Graphics.Opengl.LTexture.Format format)
{
int sred = start.R;
int sgreen = start.G;
int sblue = start.B;
int ered = end.R;
int egreen = end.G;
int eblue = end.B;
LImage tmp = LImage.CreateImage(res);
LImage image = LImage.CreateImage(tmp.GetWidth(), tmp.GetHeight(), true);
LGraphics g = image.GetLGraphics();
g.DrawImage(tmp, 0, 0);
g.Dispose();
if (tmp != null)
{
tmp.Dispose();
tmp = null;
}
Color[] pixels = image.GetPixels();
int size = pixels.Length;
for (int i = 0; i < size; i++)
{
Color pixel = pixels[i];
if ((pixel.R >= sred && pixel.G >= sgreen && pixel.B >= sblue) &&
(pixel.R <= ered && pixel.G <= egreen && pixel.B <= eblue))
{
pixels[i].PackedValue = LSystem.TRANSPARENT;
}
}
image.SetFormat(format);
image.SetPixels(pixels, image.GetWidth(), image.GetHeight());
LTexture texture = image.GetTexture();
if (image != null)
{
image.Dispose();
image = null;
}
return(texture);
}
public virtual void SetField2DBackground(Field2D field, Dictionary <object, object> pathMap,
string fileName)
{
SetField2D(field);
LImage background = null;
if (fileName != null)
{
LImage tmp = LImage.CreateImage(fileName);
background = SetTileBackground(tmp, true);
if (tmp != null)
{
tmp.Dispose();
tmp = null;
}
}
else
{
background = LImage.CreateImage(GetWidth(), GetHeight(), false);
}
int srcWidth = GetWidth();
int srcHeight = GetHeight();
//在C#环境下LGraphics采取像素渲染，得不到硬件加速，此处直接将像素操作方法粘过来了(虽然也快不了几毫秒……)
int[] dstColors = background.GetIntPixels();
int[] srcColors = null;
for (int i = 0; i < field.GetWidth(); i++)
{
for (int j = 0; j < field.GetHeight(); j++)
{
int index = field.GetType(j, i);
object o = CollectionUtils.Get(pathMap, index);
if (o != null)
{
if (o is LImage)
{
LImage img = (LImage)o;
srcColors = img.GetIntPixels();
int w = img.Width;
int h = img.Height;
int y = field.TilesToHeightPixels(j);
int x = field.TilesToWidthPixels(i);
if (x < 0)
{
w += x;
x = 0;
}
if (y < 0)
{
h += y;
y = 0;
}
if (x + w > srcWidth)
{
w = srcWidth - x;
}
if (y + h > srcHeight)
{
h = srcHeight - y;
}
if (img.hasAlpha)
{
int findIndex = y * srcWidth + x;
int drawIndex = 0;
int moveFind = srcWidth - w;
for (int col = 0; col < h; col++)
{
for (int row = 0; row < w;)
{
if (srcColors[drawIndex] != 0)
{
dstColors[findIndex] = srcColors[drawIndex];
}
row++;
findIndex++;
drawIndex++;
}
findIndex += moveFind;
}
}
else
{
for (int size = 0; size < h; size++)
{
System.Array.Copy(srcColors, size * w, dstColors,
(y + size) * srcWidth + x, w);
}
}
}
else if (o is Actor)
{
AddObject(((Actor)o), field.TilesToWidthPixels(i),
field.TilesToHeightPixels(j));
}
}
}
}
background.SetIntPixels(dstColors);
background.SetFormat(Loon.Core.Graphics.Opengl.LTexture.Format.SPEED);
SetBackground(background.GetTexture());
srcColors = null;
dstColors = null;
if (background != null)
{
background.Dispose();
background = null;
}
}