Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils.ui / src / org / simantics / utils / ui / gfx / Dimensions.java

diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/Dimensions.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/Dimensions.java
new file mode 100644 (file)
index 0000000..82f6ae5
--- /dev/null
+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/Dimensions.java
@@ -0,0 +1,107 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+/*\r
+ * 10.10.2006\r
+ */\r
+package org.simantics.utils.ui.gfx;\r
+\r
+import org.simantics.utils.ObjectUtils;\r
+\r
+\r
+/**\r
+ * Dimensions\r
+ * @author Toni Kalajainen\r
+ */\r
+public final class Dimensions {\r
+\r
+    public final static Double INCH = 25.4;\r
+    \r
+    /** Pixel size, may be null if unknown */\r
+    public final PixelDimension pixelDimension;\r
+    \r
+    /** Physical size, may be null if unknown */\r
+    public final PhysicalDimension physicaldimension;\r
+    \r
+    public Dimensions(PixelDimension pixelDimension, PhysicalDimension physicalDimension)\r
+    {\r
+        this.physicaldimension = physicalDimension;\r
+        this.pixelDimension = pixelDimension;\r
+    }\r
+    \r
+    @Override\r
+    public int hashCode() {\r
+        int code = 0;\r
+        if (pixelDimension!=null) code^= pixelDimension.hashCode();\r
+        if (physicaldimension!=null) code^= physicaldimension.hashCode();\r
+        return code;\r
+    }\r
+    \r
+    @Override\r
+    public boolean equals(Object obj) {\r
+        if (!(obj instanceof Dimensions)) return false;\r
+        Dimensions other = (Dimensions) obj;\r
+        return ObjectUtils.objectEquals(other.physicaldimension, physicaldimension) &&\r
+               ObjectUtils.objectEquals(other.pixelDimension, pixelDimension);\r
+    }\r
+    \r
+    \r
+    \r
+    public PhysicalDimension getPhysicaldimension() {\r
+        return physicaldimension;\r
+    }\r
+\r
+    public PixelDimension getPixelDimension() {\r
+        return pixelDimension;\r
+    }\r
+\r
+    /**\r
+     * Calculate horizontal Dots per inch.\r
+     * @return horizontal DPI or null if value is not available\r
+     */\r
+    public Double getHorizontalDPI()\r
+    {\r
+        if (pixelDimension==null || physicaldimension==null) return null;\r
+        if (physicaldimension.width==0) return null;\r
+        return (((double) pixelDimension.width)/physicaldimension.width)*INCH;\r
+    }\r
+    \r
+    /**\r
+     * Calculate vertical Dots per inch.\r
+     * @return Vertical DPI or null if value is not available\r
+     */\r
+    public Double getVerticalDPI()    \r
+    {\r
+        if (pixelDimension==null || physicaldimension==null) return null;\r
+        if (physicaldimension.height==0) return null;\r
+        return (((double) pixelDimension.height)/physicaldimension.height)*INCH;\r
+    }\r
+    \r
+    @Override\r
+    public String toString() {\r
+        return "Dimensions [" + physicaldimension + ", " + pixelDimension + "]";\r
+    }\r
+    \r
+    /**\r
+     * returns aspect ratio (width / height)\r
+     * @return returns aspect ratio (width / height)\r
+     */\r
+    public double getAspectRatio()\r
+    {\r
+        if (physicaldimension!=null)\r
+            return physicaldimension.getAspectRatio();\r
+        if (pixelDimension!=null)\r
+            return pixelDimension.getAspectRatio();\r
+        return 1;\r
+    }\r
+    \r
+    \r
+}\r