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-rw-r--r--libdimension/dimension/X.h37
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diff --git a/libdimension/dimension/X.h b/libdimension/dimension/X.h
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+/*************************************************************************
+ * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Library is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/*
+ * Draw a canvas to an X window.
+ */
+
+#ifndef DIMENSION_X_H
+#define DIMENSION_X_H
+
+#include <stdio.h>
+
+/* Write canvas to X window. Returns 0 on success, nonzero on failure. */
+int dmnsn_X_write_canvas(const dmnsn_canvas *canvas);
+
+/* Read a canvas from a GL framebuffer. Returns NULL on failure. */
+dmnsn_canvas *dmnsn_X_read_canvas(unsigned int x0, unsigned int y0,
+ unsigned int width, unsigned int height);
+
+#endif /* DIMENSION_X_H */