--- /dev/null
+
+/* ====================================================================
+ Copyright 2002-2004 Apache Software Foundation
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+==================================================================== */
+
+
+package org.apache.poi.hslf.record;
+
+import org.apache.poi.util.LittleEndian;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.ByteArrayOutputStream;
+
+/**
+ * A ColorSchemeAtom (type 2032). Holds the 8 RGB values for the different
+ * colours of bits of text, that makes up a given colour scheme.
+ * Slides (presumably) link to a given colour scheme atom, and that
+ * defines the colours to be used
+ *
+ * @author Nick Burch
+ */
+
+public class ColorSchemeAtom extends RecordAtom
+{
+ private byte[] _header;
+ private static long _type = 2032l;
+
+ private int backgroundColourRGB;
+ private int textAndLinesColourRGB;
+ private int shadowsColourRGB;
+ private int titleTextColourRGB;
+ private int fillsColourRGB;
+ private int accentColourRGB;
+ private int accentAndHyperlinkColourRGB;
+ private int accentAndFollowingHyperlinkColourRGB;
+
+ /** Fetch the RGB value for Background Colour */
+ public int getBackgroundColourRGB() { return backgroundColourRGB; }
+ /** Set the RGB value for Background Colour */
+ public void setBackgroundColourRGB(int rgb) { backgroundColourRGB = rgb; }
+
+ /** Fetch the RGB value for Text And Lines Colour */
+ public int getTextAndLinesColourRGB() { return textAndLinesColourRGB; }
+ /** Set the RGB value for Text And Lines Colour */
+ public void setTextAndLinesColourRGB(int rgb) { textAndLinesColourRGB = rgb; }
+
+ /** Fetch the RGB value for Shadows Colour */
+ public int getShadowsColourRGB() { return shadowsColourRGB; }
+ /** Set the RGB value for Shadows Colour */
+ public void setShadowsColourRGB(int rgb) { shadowsColourRGB = rgb; }
+
+ /** Fetch the RGB value for Title Text Colour */
+ public int getTitleTextColourRGB() { return titleTextColourRGB; }
+ /** Set the RGB value for Title Text Colour */
+ public void setTitleTextColourRGB(int rgb) { titleTextColourRGB = rgb; }
+
+ /** Fetch the RGB value for Fills Colour */
+ public int getFillsColourRGB() { return fillsColourRGB; }
+ /** Set the RGB value for Fills Colour */
+ public void setFillsColourRGB(int rgb) { fillsColourRGB = rgb; }
+
+ /** Fetch the RGB value for Accent Colour */
+ public int getAccentColourRGB() { return accentColourRGB; }
+ /** Set the RGB value for Accent Colour */
+ public void setAccentColourRGB(int rgb) { accentColourRGB = rgb; }
+
+ /** Fetch the RGB value for Accent And Hyperlink Colour */
+ public int getAccentAndHyperlinkColourRGB()
+ { return accentAndHyperlinkColourRGB; }
+ /** Set the RGB value for Accent And Hyperlink Colour */
+ public void setAccentAndHyperlinkColourRGB(int rgb)
+ { accentAndHyperlinkColourRGB = rgb; }
+
+ /** Fetch the RGB value for Accent And Following Hyperlink Colour */
+ public int getAccentAndFollowingHyperlinkColourRGB()
+ { return accentAndFollowingHyperlinkColourRGB; }
+ /** Set the RGB value for Accent And Following Hyperlink Colour */
+ public void setAccentAndFollowingHyperlinkColourRGB(int rgb)
+ { accentAndFollowingHyperlinkColourRGB = rgb; }
+
+ /* *************** record code follows ********************** */
+
+ /**
+ * For the Colour Scheme (ColorSchem) Atom
+ */
+ protected ColorSchemeAtom(byte[] source, int start, int len) {
+ // Sanity Checking - we're always 40 bytes long
+ if(len < 40) {
+ len = 40;
+ if(source.length - start < 40) {
+ throw new RuntimeException("Not enough data to form a ColorSchemeAtom (always 40 bytes long) - found " + (source.length - start));
+ }
+ }
+
+ // Get the header
+ _header = new byte[8];
+ System.arraycopy(source,start,_header,0,8);
+
+ // Grab the rgb values
+ backgroundColourRGB = (int)LittleEndian.getInt(source,start+8+0);
+ textAndLinesColourRGB = (int)LittleEndian.getInt(source,start+8+4);
+ shadowsColourRGB = (int)LittleEndian.getInt(source,start+8+8);
+ titleTextColourRGB = (int)LittleEndian.getInt(source,start+8+12);
+ fillsColourRGB = (int)LittleEndian.getInt(source,start+8+16);
+ accentColourRGB = (int)LittleEndian.getInt(source,start+8+20);
+ accentAndHyperlinkColourRGB = (int)LittleEndian.getInt(source,start+8+24);
+ accentAndFollowingHyperlinkColourRGB = (int)LittleEndian.getInt(source,start+8+28);
+ }
+
+ /**
+ * We are of type 3999
+ */
+ public long getRecordType() { return _type; }
+
+
+ /**
+ * Convert from an integer RGB value to individual R, G, B 0-255 values
+ */
+ public static byte[] splitRGB(int rgb) {
+ byte[] ret = new byte[3];
+
+ // Serialise to bytes, then grab the right ones out
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ try {
+ writeLittleEndian(rgb,baos);
+ } catch(IOException ie) {
+ // Should never happen
+ throw new RuntimeException(ie);
+ }
+ byte[] b = baos.toByteArray();
+ System.arraycopy(b,0,ret,0,3);
+
+ return ret;
+ }
+
+ /**
+ * Convert from split R, G, B values to an integer RGB value
+ */
+ public static int joinRGB(byte r, byte g, byte b) {
+ return joinRGB(new byte[] { r,g,b });
+ }
+ /**
+ * Convert from split R, G, B values to an integer RGB value
+ */
+ public static int joinRGB(byte[] rgb) {
+ if(rgb.length != 3) {
+ throw new RuntimeException("joinRGB accepts a byte array of 3 values, but got one of " + rgb.length + " values!");
+ }
+ byte[] with_zero = new byte[4];
+ System.arraycopy(rgb,0,with_zero,0,3);
+ with_zero[3] = 0;
+ int ret = (int)LittleEndian.getInt(with_zero,0);
+ return ret;
+ }
+
+
+ /**
+ * Write the contents of the record back, so it can be written
+ * to disk
+ */
+ public void writeOut(OutputStream out) throws IOException {
+ // Header - size or type unchanged
+ out.write(_header);
+
+ // Write out the rgb values
+ writeLittleEndian(backgroundColourRGB,out);
+ writeLittleEndian(textAndLinesColourRGB,out);
+ writeLittleEndian(shadowsColourRGB,out);
+ writeLittleEndian(titleTextColourRGB,out);
+ writeLittleEndian(fillsColourRGB,out);
+ writeLittleEndian(accentColourRGB,out);
+ writeLittleEndian(accentAndHyperlinkColourRGB,out);
+ writeLittleEndian(accentAndFollowingHyperlinkColourRGB,out);
+ }
+}
projects / poi.git / commitdiff