public static Polygon MakePolygon(LImage image) {
if (image == null) {
throw new RuntimeException("Image is null !");
}
return MakePolygon(image.GetIntPixels(), image.GetWidth(),
image.GetHeight());
}
public static LImage GetResize(LImage image, int w, int h)
{
if (image == null)
{
return null;
}
if (image.width == w && image.height == h)
{
return image;
}
LImage result = LImage.CreateImage(w, h, image.HasAlpha());
LGraphics g = result.GetLGraphics();
g.DrawImage(image, 0, 0, w, h, 0, 0, image.GetWidth(),
image.GetHeight());
g.Dispose();
return result;
}
public static LImage GetResize(LImage image, int w, int h)
{
if (image == null)
{
return(null);
}
if (image.width == w && image.height == h)
{
return(image);
}
LImage result = LImage.CreateImage(w, h, image.HasAlpha());
LGraphics g = result.GetLGraphics();
g.DrawImage(image, 0, 0, w, h, 0, 0, image.GetWidth(),
image.GetHeight());
g.Dispose();
return(result);
}
/// <summary>
/// 判定指定的两张图片之间是否产生了碰撞
/// </summary>
///
/// <param name="src"></param>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="dest"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
/// <returns></returns>
public bool isPixelCollide(LImage src, float x1, float y1, LImage dest,
float x2, float y2)
{
float width1 = x1 + src.GetWidth() - 1, height1 = y1 + src.GetHeight()
- 1, width2 = x2 + dest.GetWidth() - 1, height2 = y2
+ dest.GetHeight() - 1;
int xstart = (int)Loon.Utils.MathUtils.Max(x1, x2), ystart = (int)Loon.Utils.MathUtils.Max(y1, y2), xend = (int)Loon.Utils.MathUtils.Min(width1, width2), yend = (int)Loon.Utils.MathUtils.Min(height1, height2);
int toty = Loon.Utils.MathUtils.Abs(yend - ystart);
int totx = Loon.Utils.MathUtils.Abs(xend - xstart);
for (int y = 1; y < toty - 1; y++)
{
int ny = Loon.Utils.MathUtils.Abs(ystart - (int)y1) + y;
int ny1 = Loon.Utils.MathUtils.Abs(ystart - (int)y2) + y;
for (int x = 1; x < totx - 1; x++)
{
int nx = Loon.Utils.MathUtils.Abs(xstart - (int)x1) + x;
int nx1 = Loon.Utils.MathUtils.Abs(xstart - (int)x2) + x;
try
{
if (((src.GetPixel(nx, ny).PackedValue != LSystem.TRANSPARENT))
&& ((dest.GetPixel(nx1, ny1).PackedValue != LSystem.TRANSPARENT)))
{
return true;
}
}
catch (Exception e)
{
Loon.Utils.Debugging.Log.Exception(e);
}
}
}
return false;
}
public PShadowEffect(LImage img, LImage back, int x, int y, int w, int h)
{
if (deasilTrans == null || widdershinTrans == null)
{
deasilTrans = new Color[max_pixel];
for (int i = 0; i < max_pixel; i++)
{
deasilTrans[i] = new Color(i, i, i);
}
int count = 0;
widdershinTrans = new Color[max_pixel];
for (int i = 0; i < max_pixel; i++)
{
widdershinTrans[count++] = deasilTrans[i];
}
}
this.SetLocation(x, y);
this.width = w;
this.height = h;
this.visible = true;
LImage temp = null;
if (back == null)
{
this.scaleWidth = width / 2;
this.scaleHeight = height / 2;
temp = GraphicsUtils.GetResize(img, scaleWidth, scaleHeight);
this.image = LImage.CreateImage(scaleWidth, scaleHeight, true);
this.finalDrawPixels = temp.GetPixels();
this.nowDrawPixels = (Color[])CollectionUtils.CopyOf(finalDrawPixels);
if (temp != null)
{
temp.Dispose();
temp = null;
}
}
else
{
this.scaleWidth = width / 2;
this.scaleHeight = height / 2;
temp = GraphicsUtils.GetResize(img, scaleWidth, scaleHeight);
this.image = LImage.CreateImage(scaleWidth, scaleHeight, true);
if (back.GetWidth() == scaleWidth
&& back.GetHeight() == scaleHeight)
{
this.finalBackgroundPixels = back.GetPixels();
this.backgroundPixels = (Color[])CollectionUtils
.CopyOf(finalBackgroundPixels);
}
else
{
LImage tmp = GraphicsUtils.GetResize(back, scaleWidth,
scaleHeight);
this.finalBackgroundPixels = tmp.GetPixels();
if (tmp != null)
{
tmp.Dispose();
tmp = null;
}
this.backgroundPixels = (Color[])CollectionUtils
.CopyOf(finalBackgroundPixels);
}
this.finalDrawPixels = temp.GetPixels();
this.nowDrawPixels = (Color[])CollectionUtils.CopyOf(finalDrawPixels);
}
this.SetBlackToWhite(flag);
if (temp != null)
{
temp.Dispose();
temp = null;
}
if (img != null)
{
img.Dispose();
img = null;
}
if (back != null)
{
back.Dispose();
back = null;
}
}
public PShadowEffect(LImage img, LImage back, int x, int y)
: this(img, back, x, y, img.GetWidth(), img.GetHeight())
{
}
public LPixmapData(LImage pix)
: this(pix.GetPixels(), pix.GetWidth(), pix.GetHeight())
{
}
public static LTexture.Mask CreateMask(LImage image)
{
if (image == null) {
throw new RuntimeException("Image is null !");
}
return CreateMask(image.GetIntPixels(), image.GetWidth(),
image.GetHeight());
}
public LPixmapData(LImage pix)
: this(pix.GetPixels(), pix.GetWidth(), pix.GetHeight())
{
}