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src/tilequad.h

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+/*
+** tilequad.h
+**
+** This file is part of mkxp.
+**
+** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
+**
+** mkxp 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 2 of the License, or
+** (at your option) any later version.
+**
+** mkxp 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 mkxp.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef TILEQUAD_H
+#define TILEQUAD_H
+
+#include "etc-internal.h"
+
+#include <QVector>
+
+/* Tiled Quads
+ *
+ * These functions enable drawing a tiled subrectangle
+ * of a texture,
+ * but no advanced stuff like rotation, scaling etc.
+ */
+
+#include "quadarray.h"
+
+namespace TileQuads
+{
+	/* Calculate needed quad counts */
+	int oneDimCount(int tileDimension,
+					int destDimension);
+	int twoDimCount(int tileW, int tileH,
+					int destW, int destH);
+
+	/* Build tiling quads */
+	int buildH(const IntRect &sourceRect,
+				int width, int x, int y,
+				Vertex *verts);
+
+	int buildV(const IntRect &sourceRect,
+			   int height, int ox, int oy,
+			   Vertex *verts);
+
+	int build(const IntRect &sourceRect,
+			  const IntRect &destRect,
+			  Vertex *verts);
+
+	/* Build a quad "frame" (see Window cursor_rect) */
+	int buildFrame(const IntRect &rect,
+				   Vertex *vert /* 36 big */);
+
+	int buildFrameSource(const IntRect &rect,
+						 Vertex *vert /* 36 big */);
+}
+
+#endif // TILEQUAD_H