t3du - New Image nodes: Draw Sub Image and Write Image

leenkx/Sources/iron/format/bmp/Writer.hx

@@ -0,0 +1,74 @@
+/*
+ * format - Haxe File Formats
+ *
+ *  BMP File Format
+ *  Copyright (C) 2007-2009 Robert Sköld
+ *
+ * Copyright (c) 2009, The Haxe Project Contributors
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   - 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 HAXE PROJECT 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 HAXE PROJECT 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.
+ */
+
+package iron.format.bmp;
+
+import iron.format.bmp.Data;
+
+
+class Writer {
+
+	static var DATA_OFFSET : Int = 0x36;
+
+	var output : haxe.io.Output;
+
+	public function new(o) {
+		output = o;
+	}
+	
+	/**
+	 * Specs: http://s223767089.online.de/en/file-format-bmp
+	 */
+	public function write( bmp : Data ) {
+		// Write Header (14 bytes)
+		output.writeString( "BM" );								// Signature
+		output.writeInt32(bmp.pixels.length + DATA_OFFSET );	// FileSize
+		output.writeInt32( 0 );									// Reserved
+		output.writeInt32( DATA_OFFSET );						// Offset
+
+		// Write InfoHeader (40 bytes)
+		output.writeInt32( 40 );								// InfoHeader size
+		output.writeInt32( bmp.header.width );					// Image width
+		var height = bmp.header.height;
+		if (bmp.header.topToBottom) height = -height; 
+		output.writeInt32( height );							// Image height
+		output.writeInt16( 1 );									// Number of planes
+		output.writeInt16( 24 );								// Bits per pixel (24bit RGB)
+		output.writeInt32( 0 );									// Compression type (no compression)
+		output.writeInt32( bmp.header.dataLength );				// Image data size (0 when uncompressed)
+		output.writeInt32( 0x2e30 );							// Horizontal resolution
+		output.writeInt32( 0x2e30 );							// Vertical resolution
+		output.writeInt32( 0 );									// Colors used (0 when uncompressed)
+		output.writeInt32( 0 );									// Important colors (0 when uncompressed)
+
+		// Write Raster Data
+		output.write(bmp.pixels);
+  }
+}