Change directory structure.

[dvibrowser/dvi2epub.git] / src / main / java / jp / sourceforge / dvibrowser / dvicore / DviPaperSize.java

diff --git a/src/main/java/jp/sourceforge/dvibrowser/dvicore/DviPaperSize.java b/src/main/java/jp/sourceforge/dvibrowser/dvicore/DviPaperSize.java
new file mode 100644 (file)
index 0000000..4e4a180
--- /dev/null
+++ b/src/main/java/jp/sourceforge/dvibrowser/dvicore/DviPaperSize.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2009, Takeyuki Nagao
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the
+ * following conditions are met:
+ * 
+ *  * Redistributions of source code must retain the above
+ *    copyright notice, this list of conditions and the
+ *    following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the
+ *    following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *    
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ */
+
+package jp.sourceforge.dvibrowser.dvicore;
+
+// immutable.
+
+public class DviPaperSize
+implements java.io.Serializable
+{
+  private static final long serialVersionUID = 4593375448502371177L;
+  public static final DviPaperSize UNBOUNDED = new DviPaperSize(Double.MAX_VALUE, Double.MAX_VALUE, "unbounded");
+  public static final DviPaperSize CROP_TO_WIDTH = new DviPaperSize(Double.MAX_VALUE, Double.MAX_VALUE, "crop-to-width");
+  public static final DviPaperSize CROP_TO_HEIGHT = new DviPaperSize(Double.MAX_VALUE, Double.MAX_VALUE, "crop-to-height");
+  public static final DviPaperSize CROP_TO_BOTH = new DviPaperSize(Double.MAX_VALUE, Double.MAX_VALUE, "crop-to-both");
+  public static final DviPaperSize FALLBACK = new DviPaperSize(210.0, 297.0, "A4(fallback)");
+;
+  private final double w_mm;
+  private final double h_mm;
+  private final String desc;
+
+  public DviPaperSize(double w_mm, double h_mm, String desc) {
+    this.w_mm = w_mm;
+    this.h_mm = h_mm;
+    this.desc = desc;
+  }
+
+  public double widthInMM() { return w_mm; }
+  public double heightInMM() { return h_mm; }
+
+  public int widthInDots(DviResolution res) {
+    return (int) Math.ceil(res.actualDpi() * w_mm / DviConstants.MM_PER_INCH);
+  }
+  public int heightInDots(DviResolution res) {
+    return (int) Math.ceil(res.actualDpi() * h_mm / DviConstants.MM_PER_INCH);
+  }
+  
+  public DviRect toBoundingBox(DviResolution res)
+  {
+    return new DviRect
+    (0, 0, widthInDots(res), heightInDots(res));
+  }
+
+  public String description() { return desc; }
+
+  public String toString() {
+    return "PaperSize"
+           + "{" + w_mm + "mm x " + h_mm + " mm"
+           + " desc=" + desc;
+  }
+
+  public boolean equals(Object obj) {
+    if (obj instanceof DviPaperSize) {
+      DviPaperSize a = (DviPaperSize) obj;
+      return a.w_mm == w_mm
+          && a.h_mm == h_mm
+          && desc.equals(a.desc)
+          ;
+    }
+    return false;
+  }
+
+  public int hashCode() {
+    return (int)(desc.hashCode() + 33*(w_mm + 33*h_mm));
+  }
+}