1 files changed, 114 insertions, 0 deletions
diff --git a/libtiled/tileset.cpp b/libtiled/tileset.cpp
new file mode 100644
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+++ b/libtiled/tileset.cpp
@@ -0,0 +1,114 @@
+/*
+ * tileset.cpp
+ * Copyright 2008-2009, Thorbjørn Lindeijer <thorbjorn@lindeijer.nl>
+ * Copyrigth 2009, Edward Hutchins <eah1@yahoo.com>
+ *
+ * This file is part of libtiled.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice,
+ *       this list of conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "tileset.h"
+#include "tile.h"
+
+#include <QBitmap>
+
+using namespace Tiled;
+
+Tileset::~Tileset()
+{
+    qDeleteAll(mTiles);
+}
+
+Tile *Tileset::tileAt(int id) const
+{
+    return (id < mTiles.size()) ? mTiles.at(id) : 0;
+}
+
+bool Tileset::loadFromImage(const QImage &image, const QString &fileName)
+{
+    Q_ASSERT(mTileWidth > 0 && mTileHeight > 0);
+
+    if (image.isNull())
+        return false;
+
+    const int stopWidth = image.width() - mTileWidth;
+    const int stopHeight = image.height() - mTileHeight;
+
+    int oldTilesetSize = mTiles.size();
+    int tileNum = 0;
+
+    for (int y = mMargin; y <= stopHeight; y += mTileHeight + mTileSpacing) {
+        for (int x = mMargin; x <= stopWidth; x += mTileWidth + mTileSpacing) {
+            const QImage tileImage = image.copy(x, y, mTileWidth, mTileHeight);
+            QPixmap tilePixmap = QPixmap::fromImage(tileImage);
+
+            if (mTransparentColor.isValid()) {
+                const QImage mask =
+                        tileImage.createMaskFromColor(mTransparentColor.rgb());
+                tilePixmap.setMask(QBitmap::fromImage(mask));
+            }
+
+            if (tileNum < oldTilesetSize) {
+                mTiles.at(tileNum)->setImage(tilePixmap);
+            } else {
+                mTiles.append(new Tile(tilePixmap, tileNum, this));
+            }
+            ++tileNum;
+        }
+    }
+
+    // Blank out any remaining tiles to avoid confusion
+    while (tileNum < oldTilesetSize) {
+        QPixmap tilePixmap = QPixmap(mTileWidth, mTileHeight);
+        tilePixmap.fill();
+        mTiles.at(tileNum)->setImage(tilePixmap);
+        ++tileNum;
+    }
+
+    mImageWidth = image.width();
+    mImageHeight = image.height();
+    mColumnCount = columnCountForWidth(mImageWidth);
+    mImageSource = fileName;
+    return true;
+}
+
+Tileset *Tileset::findSimilarTileset(const QList<Tileset*> &tilesets) const
+{
+    foreach (Tileset *candidate, tilesets) {
+        if (candidate != this
+            && candidate->imageSource() == imageSource()
+            && candidate->tileWidth() == tileWidth()
+            && candidate->tileHeight() == tileHeight()
+            && candidate->tileSpacing() == tileSpacing()
+            && candidate->margin() == margin()) {
+                return candidate;
+        }
+    }
+    return 0;
+}
+
+int Tileset::columnCountForWidth(int width) const
+{
+    Q_ASSERT(mTileWidth > 0);
+    return (width - mMargin + mTileSpacing) / (mTileWidth + mTileSpacing);
+}