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Diffstat (limited to 'src/base/bmpwriter.hh')
| -rw-r--r-- | src/base/bmpwriter.hh | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/base/bmpwriter.hh b/src/base/bmpwriter.hh new file mode 100644 index 000000000..f78b994fd --- /dev/null +++ b/src/base/bmpwriter.hh @@ -0,0 +1,134 @@ +/* + * Copyright (c) 2010, 2015, 2017 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * + * 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; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 COPYRIGHT + * OWNER OR 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. + * + * Authors: William Wang + * Ali Saidi + * Chris Emmons + * Andreas Sandberg + */ +#ifndef __BASE_BITMAP_HH__ +#define __BASE_BITMAP_HH__ + +#include <ostream> + +#include "base/compiler.hh" +#include "base/framebuffer.hh" +#include "base/imgwriter.hh" + +/** + * @file Declaration of a class that writes a frame buffer to a bitmap + */ + +// write frame buffer into a bitmap picture +class BmpWriter : public ImgWriter +{ + public: + /** + * Create a bitmap that takes data in a given mode & size and + * outputs to an ostream. + */ + BmpWriter(const FrameBuffer *fb); + + ~BmpWriter() {}; + + /* + * Return Image format as a string + * + * @return img extension (e.g. bmp for Bitmap) + */ + const char* getImgExtension() const override + { return _imgExtension; } + + /** + * Write the frame buffer data into the provided ostream + * + * @param bmp stream to write to + */ + void write(std::ostream &bmp) const override; + + private: + struct FileHeader { + unsigned char magic_number[2]; + uint32_t size; + uint16_t reserved1; + uint16_t reserved2; + uint32_t offset; + } M5_ATTR_PACKED; + + struct InfoHeaderV1 { /* Aka DIB header */ + uint32_t Size; + uint32_t Width; + uint32_t Height; + uint16_t Planes; + uint16_t BitCount; + uint32_t Compression; + uint32_t SizeImage; + uint32_t XPelsPerMeter; + uint32_t YPelsPerMeter; + uint32_t ClrUsed; + uint32_t ClrImportant; + } M5_ATTR_PACKED; + + struct CompleteV1Header { + FileHeader file; + InfoHeaderV1 info; + } M5_ATTR_PACKED; + + struct BmpPixel32 { + BmpPixel32 &operator=(const Pixel &rhs) { + red = rhs.red; + green = rhs.green; + blue = rhs.blue; + padding = 0; + + return *this; + } + uint8_t blue; + uint8_t green; + uint8_t red; + uint8_t padding; + } M5_ATTR_PACKED; + + typedef BmpPixel32 PixelType; + + static const char* _imgExtension; + + const CompleteV1Header getCompleteHeader() const; +}; + + +#endif // __BASE_BITMAP_HH__ + |