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engines/m4/graphics/gr_draw.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef M4_GRAPHICS_GR_DRAW_H
+#define M4_GRAPHICS_GR_DRAW_H
+
+#include "m4/m4_types.h"
+
+namespace M4 {
+
+/**
+ * Given X, Y sets the value of the pixel at that position
+ */
+void buffer_put_pixel(Buffer *buf, int32 x, int32 y, byte c);
+
+/**
+ * Given X, Y returns value of pixel at that address on the screen
+ */
+byte buffer_get_pixel(Buffer *buf, int32 x, int32 y);
+
+/**
+ * Draws outside edge of retangle given home and size along both axis
+ */
+void buffer_draw_box(Buffer *buf, int32 x1, int32 y1, int32 x2, int32 y2, byte color);
+
+/**
+ * Draws a rectangle using xor
+ */
+void buffer_draw_box_xor(Buffer *buf, int32 x1, int32 y1, int32 x2, int32 y2);
+
+/**
+ * Fills an entire buffer with a single byte value.
+ * @returns Returns True if successful, FALSE if buffer invalid.
+*/
+int32 buffer_fill(Buffer *target, byte value);
+
+} // namespace M4
+
+#endif