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content/svg/content/src/nsISVGFilter.h

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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Mozilla SVG project.
+ *
+ * The Initial Developer of the Original Code is IBM Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2005
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef __NS_ISVGFILTER_H__
+#define __NS_ISVGFILTER_H__
+
+#define NS_ISVGFILTER_IID \
+{ 0xbc1bf81a, 0x9765, 0x43c0, { 0xb3, 0x17, 0xd6, 0x91, 0x66, 0xcd, 0x3a, 0x30 } }
+
+// Bitfields used by nsISVGFilter::GetRequirements()
+#define NS_FE_SOURCEGRAPHIC   0x01
+#define NS_FE_SOURCEALPHA     0x02
+#define NS_FE_BACKGROUNDIMAGE 0x04
+#define NS_FE_BACKGROUNDALPHA 0x08
+#define NS_FE_FILLPAINT       0x10
+#define NS_FE_STROKEPAINT     0x20
+
+class nsSVGFilterInstance;
+
+class nsISVGFilter : public nsISupports {
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISVGFILTER_IID)
+
+  // Perform the filter operation on the images/regions
+  // specified by 'instance'
+  NS_IMETHOD Filter(nsSVGFilterInstance *instance) = 0;
+
+  // Get the standard image source requirements of this filter.
+  NS_IMETHOD GetRequirements(PRUint32 *aRequirements) = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsISVGFilter, NS_ISVGFILTER_IID)
+
+#endif