74 lines
2.8 KiB
Haxe
74 lines
2.8 KiB
Haxe
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/*
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* format - Haxe File Formats
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*
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* BMP File Format
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* Copyright (C) 2007-2009 Robert Sköld
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*
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* Copyright (c) 2009, The Haxe Project Contributors
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE HAXE PROJECT CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE HAXE PROJECT CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*/
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package iron.format.bmp;
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import iron.format.bmp.Data;
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class Writer {
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static var DATA_OFFSET : Int = 0x36;
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var output : haxe.io.Output;
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public function new(o) {
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output = o;
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}
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/**
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* Specs: http://s223767089.online.de/en/file-format-bmp
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*/
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public function write( bmp : Data ) {
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// Write Header (14 bytes)
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output.writeString( "BM" ); // Signature
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output.writeInt32(bmp.pixels.length + DATA_OFFSET ); // FileSize
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output.writeInt32( 0 ); // Reserved
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output.writeInt32( DATA_OFFSET ); // Offset
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// Write InfoHeader (40 bytes)
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output.writeInt32( 40 ); // InfoHeader size
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output.writeInt32( bmp.header.width ); // Image width
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var height = bmp.header.height;
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if (bmp.header.topToBottom) height = -height;
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output.writeInt32( height ); // Image height
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output.writeInt16( 1 ); // Number of planes
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output.writeInt16( 24 ); // Bits per pixel (24bit RGB)
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output.writeInt32( 0 ); // Compression type (no compression)
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output.writeInt32( bmp.header.dataLength ); // Image data size (0 when uncompressed)
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output.writeInt32( 0x2e30 ); // Horizontal resolution
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output.writeInt32( 0x2e30 ); // Vertical resolution
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output.writeInt32( 0 ); // Colors used (0 when uncompressed)
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output.writeInt32( 0 ); // Important colors (0 when uncompressed)
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// Write Raster Data
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output.write(bmp.pixels);
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}
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}
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