directcolormodel.html

API資料大全

 The returned value is a non pre-multiplied value.  Thus, if the
 alpha is premultiplied, this method divides it out before returning
 the value.  If the alpha value is 0, for example, the green value
 is 0.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../java/awt/image/ColorModel.html#getGreen(int)">getGreen</A></CODE> in class <CODE><A HREF="../../../java/awt/image/ColorModel.html">ColorModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pixel</CODE> - the specified pixel<DT><B>Returns:</B><DD>the green color component for the specified pixel, from 
         0 to 255 in the sRGB <code>ColorSpace</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="getBlue(int)"><!-- --></A><H3>
getBlue</H3>
<PRE>
public final int <B>getBlue</B>(int&nbsp;pixel)</PRE>
<DL>
<DD>Returns the blue color component for the specified pixel, scaled
 from 0 to 255 in the default RGB <code>ColorSpace</code>, sRGB.  A 
 color conversion is done if necessary.  The pixel value is specified
 as an <code>int</code>.
 The returned value is a non pre-multiplied value.  Thus, if the
 alpha is premultiplied, this method divides it out before returning
 the value.  If the alpha value is 0, for example, the blue value
 is 0.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../java/awt/image/ColorModel.html#getBlue(int)">getBlue</A></CODE> in class <CODE><A HREF="../../../java/awt/image/ColorModel.html">ColorModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pixel</CODE> - the specified pixel<DT><B>Returns:</B><DD>the blue color component for the specified pixel, from 
         0 to 255 in the sRGB <code>ColorSpace</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="getAlpha(int)"><!-- --></A><H3>
getAlpha</H3>
<PRE>
public final int <B>getAlpha</B>(int&nbsp;pixel)</PRE>
<DL>
<DD>Returns the alpha component for the specified pixel, scaled
 from 0 to 255.  The pixel value is specified as an <code>int</code>.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../java/awt/image/ColorModel.html#getAlpha(int)">getAlpha</A></CODE> in class <CODE><A HREF="../../../java/awt/image/ColorModel.html">ColorModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pixel</CODE> - the specified pixel<DT><B>Returns:</B><DD>the value of the alpha component of <code>pixel</code>
         from 0 to 255.</DL>
</DD>
</DL>
<HR>

<A NAME="getRGB(int)"><!-- --></A><H3>
getRGB</H3>
<PRE>
public final int <B>getRGB</B>(int&nbsp;pixel)</PRE>
<DL>
<DD>Returns the color/alpha components of the pixel in the default
 RGB color model format.  A color conversion is done if necessary.
 The pixel value is specified as an <code>int</code>.
 The returned value is in a non pre-multiplied format.  Thus, if
 the alpha is premultiplied, this method divides it out of the
 color components.  If the alpha value is 0, for example, the color 
 values are each 0.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../java/awt/image/ColorModel.html#getRGB(int)">getRGB</A></CODE> in class <CODE><A HREF="../../../java/awt/image/ColorModel.html">ColorModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pixel</CODE> - the specified pixel<DT><B>Returns:</B><DD>the RGB value of the color/alpha components of the specified
         pixel.<DT><B>See Also: </B><DD><A HREF="../../../java/awt/image/ColorModel.html#getRGBdefault()"><CODE>ColorModel.getRGBdefault()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getRed(java.lang.Object)"><!-- --></A><H3>
getRed</H3>
<PRE>
public int <B>getRed</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;inData)</PRE>
<DL>
<DD>Returns the red color component for the specified pixel, scaled
 from 0 to 255 in the default RGB <code>ColorSpace</code>, sRGB.  A 
 color conversion is done if necessary.  The pixel value is specified
 by an array of data elements of type <code>transferType</code> passed 
 in as an object reference.
 The returned value is a non pre-multiplied value.  Thus, if the
 alpha is premultiplied, this method divides it out before returning
 the value.  If the alpha value is 0, for example, the red value 
 is 0.
 If <code>inData</code> is not a primitive array of type 
 <code>transferType</code>, a <code>ClassCastException</code> is 
 thrown.  An <code>ArrayIndexOutOfBoundsException</code> is
 thrown if <code>inData</code> is not large enough to hold a
 pixel value for this <code>ColorModel</code>.  Since
 <code>DirectColorModel</code> can be subclassed, subclasses inherit
 the implementation of this method and if they don't override it
 then they throw an exception if they use an unsupported
 <code>transferType</code>.
 An <code>UnsupportedOperationException</code> is thrown if this
 <code>transferType</code> is not supported by this 
 <code>ColorModel</code>.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../java/awt/image/ColorModel.html#getRed(java.lang.Object)">getRed</A></CODE> in class <CODE><A HREF="../../../java/awt/image/ColorModel.html">ColorModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>inData</CODE> - the array containing the pixel value<DT><B>Returns:</B><DD>the value of the red component of the specified pixel.<DT><B>Throws:</B><DD><CODE><A HREF="../../../java/lang/ArrayIndexOutOfBoundsException.html">ArrayIndexOutOfBoundsException</A></CODE> - if <code>inData</code> is not
         large enough to hold a pixel value for this color model<DD><CODE><A HREF="../../../java/lang/ClassCastException.html">ClassCastException</A></CODE> - if <code>inData</code> is not a 
         primitive array of type <code>transferType</code><DD><CODE><A HREF="../../../java/lang/UnsupportedOperationException.html">UnsupportedOperationException</A></CODE> - if this <code>transferType</code>
         is not supported by this color model</DL>
</DD>
</DL>
<HR>

<A NAME="getGreen(java.lang.Object)"><!-- --></A><H3>
getGreen</H3>
<PRE>
public int <B>getGreen</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;inData)</PRE>
<DL>
<DD>Returns the green color component for the specified pixel, scaled
 from 0 to 255 in the default RGB <code>ColorSpace</code>, sRGB.  A 
 color conversion is done if necessary.  The pixel value is specified
 by an array of data elements of type <code>transferType</code> passed 
 in as an object reference.
 The returned value is a non pre-multiplied value.  Thus, if the
 alpha is premultiplied, this method divides it out before returning
 the value.  If the alpha value is 0, for example, the green value 
 is 0.  If <code>inData</code> is not a primitive array of type
 <code>transferType</code>, a <code>ClassCastException</code> is thrown.
  An <code>ArrayIndexOutOfBoundsException</code> is
 thrown if <code>inData</code> is not large enough to hold a pixel
 value for this <code>ColorModel</code>.  Since
 <code>DirectColorModel</code> can be subclassed, subclasses inherit
 the implementation of this method and if they don't override it
 then they throw an exception if they use an unsupported
 <code>transferType</code>.
 An <code>UnsupportedOperationException</code> is
 thrown if this <code>transferType</code> is not supported by this 
 <code>ColorModel</code>.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../java/awt/image/ColorModel.html#getGreen(java.lang.Object)">getGreen</A></CODE> in class <CODE><A HREF="../../../java/awt/image/ColorModel.html">ColorModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>inData</CODE> - the array containing the pixel value<DT><B>Returns:</B><DD>the value of the green component of the specified pixel.<DT><B>Throws:</B><DD><CODE><A HREF="../../../java/lang/ArrayIndexOutOfBoundsException.html">ArrayIndexOutOfBoundsException</A></CODE> - if <code>inData</code> is not
         large enough to hold a pixel value for this color model<DD><CODE><A HREF="../../../java/lang/ClassCastException.html">ClassCastException</A></CODE> - if <code>inData</code> is not a 
         primitive array of type <code>transferType</code><DD><CODE><A HREF="../../../java/lang/UnsupportedOperationException.html">UnsupportedOperationException</A></CODE> - if this <code>transferType</code>
         is not supported by this color model</DL>
</DD>
</DL>
<HR>

<A NAME="getBlue(java.lang.Object)"><!-- --></A><H3>
getBlue</H3>
<PRE>
public int <B>getBlue</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;inData)</PRE>
<DL>
<DD>Returns the blue color component for the specified pixel, scaled
 from 0 to 255 in the default RGB <code>ColorSpace</code>, sRGB.  A 
 color conversion is done if necessary.  The pixel value is specified
 by an array of data elements of type <code>transferType</code> passed 
 in as an object reference.
 The returned value is a non pre-multiplied value.  Thus, if the
 alpha is premultiplied, this method divides it out before returning
 the value.  If the alpha value is 0, for example, the blue value 
 is 0.  If <code>inData</code> is not a primitive array of type
 <code>transferType</code>, a <code>ClassCastException</code> is thrown.
  An <code>ArrayIndexOutOfBoundsException</code> is
 thrown if <code>inData</code> is not large enough to hold a pixel
 value for this <code>ColorModel</code>.  Since
 <code>DirectColorModel</code> can be subclassed, subclasses inherit
 the implementation of this method and if they don't override it
 then they throw an exception if they use an unsupported
 <code>transferType</code>.
 An <code>UnsupportedOperationException</code> is
 thrown if this <code>transferType</code> is not supported by this 
 <code>ColorModel</code>.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../java/awt/image/ColorModel.html#getBlue(java.lang.Object)">getBlue</A></CODE> in class <CODE><A HREF="../../../java/awt/image/ColorModel.html">ColorModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>inData</CODE> - the array containing the pixel value<DT><B>Returns:</B><DD>the value of the blue component of the specified pixel.<DT><B>Throws:</B><DD><CODE><A HREF="../../../java/lang/ArrayIndexOutOfBoundsException.html">ArrayIndexOutOfBoundsException</A></CODE> - if <code>inData</code> is not
         large enough to hold a pixel value for this color model<DD><CODE><A HREF="../../../java/lang/ClassCastException.html">ClassCastException</A></CODE> - if <code>inData</code> is not a 
         primitive array of type <code>transferType</code><DD><CODE><A HREF="../../../java/lang/UnsupportedOperationException.html">UnsupportedOperationException</A></CODE> - if this <code>transferType</code>
         is not supported by this color model</DL>
</DD>
</DL>
<HR>

<A NAME="getAlpha(java.lang.Object)"><!-- --></A><H3>
getAlpha</H3>
<PRE>
public int <B>getAlpha</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;inData)</PRE>
<DL>
<DD>Returns the alpha component for the specified pixel, scaled
 from 0 to 255.  The pixel value is specified by an array of data
 elements of type <code>transferType</code> passed in as an object
 reference.
 If <code>inData</code> is not a primitive array of type 
 <code>transferType</code>, a <code>ClassCastException</code> is 
 thrown.  An <code>ArrayIndexOutOfBoundsException</code> is
 thrown if <code>inData</code> is not large enough to hold a pixel
 value for this <code>ColorModel</code>.  Since
 <code>DirectColorModel</code> can be subclassed, subclasses inherit
 the implementation of this method and if they don't override it
 then they throw an exception if they use an unsupported
 <code>transferType</code>.
 If this <code>transferType</code> is not supported, an
 <code>UnsupportedOperationException</code> is thrown.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../java/awt/image/ColorModel.html#getAlpha(java.lang.Object)">getAlpha</A></CODE> in class <CODE><A HREF="../../../java/awt/image/ColorModel.html">ColorModel</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>inData</CODE> - the specified pixel<DT><B>Returns:</B><DD>the alpha component of the specified pixel, scaled from
         0 to 255.<DT><B>Throws:</B><DD><CODE><code>ClassCastException</code></CODE> - if <code>inData</code>
 	is not a primitive array of type <code>transferType</code><DD><CODE><code>ArrayIndexOutOfBoundsException</code></CODE> - if
	<code>inData</code> is not large enough to hold a pixel value
	for this <code>ColorModel</code><DD><CODE><code>UnsupportedOperationException</code></CODE> - if this
	<code>tranferType</code> is not supported by this
	<code>ColorModel</code></DL>
</DD>
</DL>
<HR>

<A NAME="getRGB(java.lang.Object)"><!-- --></A><H3>
getRGB</H3>
<PRE>
public int <B>getRGB</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;inData)</PRE>
<DL>
<DD>Returns the color/alpha components for the specified pixel in the
 default RGB color model format.  A color conversion is done if
 necessary.  The pixel value is specified by an array of data
 elements of type <code>transferType</code> passed in as an object
 reference.  If <code>inData</code> is not a primitive array of type
 <code>transferType</code>, a <code>ClassCastException</code> is 
 thrown.  An <code>ArrayIndexOutOfBoundsException</code> is
 thrown if <code>inData</code> is not large enough to hold a pixel
 value for this <code>ColorModel</code>.
 The returned value is in a non pre-multiplied format.  Thus, if
 the alpha is premultiplied, this method divides it out of the