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+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2019, assimp team
+
+
+
+All rights reserved.
+
+Redistribution and use of this software 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 assimp team, nor the names of its
+ contributors may be used to endorse or promote products
+ derived from this software without specific prior
+ written permission of the assimp team.
+
+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.
+---------------------------------------------------------------------------
+*/
+
+/** @file Bitmap.h
+ * @brief Defines bitmap format helper for textures
+ *
+ * Used for file formats which embed their textures into the model file.
+ */
+
+#ifndef AI_BITMAP_H_INC
+#define AI_BITMAP_H_INC
+
+#include "defs.h"
+#include <stdint.h>
+#include <cstddef>
+
+struct aiTexture;
+
+namespace Assimp {
+
+class IOStream;
+
+class ASSIMP_API Bitmap {
+protected:
+
+ struct Header {
+ uint16_t type;
+ uint32_t size;
+ uint16_t reserved1;
+ uint16_t reserved2;
+ uint32_t offset;
+
+ // We define the struct size because sizeof(Header) might return a wrong result because of structure padding.
+ // Moreover, we must use this ugly and error prone syntax because Visual Studio neither support constexpr or sizeof(name_of_field).
+ static const std::size_t header_size =
+ sizeof(uint16_t) + // type
+ sizeof(uint32_t) + // size
+ sizeof(uint16_t) + // reserved1
+ sizeof(uint16_t) + // reserved2
+ sizeof(uint32_t); // offset
+ };
+
+ struct DIB {
+ uint32_t size;
+ int32_t width;
+ int32_t height;
+ uint16_t planes;
+ uint16_t bits_per_pixel;
+ uint32_t compression;
+ uint32_t image_size;
+ int32_t x_resolution;
+ int32_t y_resolution;
+ uint32_t nb_colors;
+ uint32_t nb_important_colors;
+
+ // We define the struct size because sizeof(DIB) might return a wrong result because of structure padding.
+ // Moreover, we must use this ugly and error prone syntax because Visual Studio neither support constexpr or sizeof(name_of_field).
+ static const std::size_t dib_size =
+ sizeof(uint32_t) + // size
+ sizeof(int32_t) + // width
+ sizeof(int32_t) + // height
+ sizeof(uint16_t) + // planes
+ sizeof(uint16_t) + // bits_per_pixel
+ sizeof(uint32_t) + // compression
+ sizeof(uint32_t) + // image_size
+ sizeof(int32_t) + // x_resolution
+ sizeof(int32_t) + // y_resolution
+ sizeof(uint32_t) + // nb_colors
+ sizeof(uint32_t); // nb_important_colors
+ };
+
+ static const std::size_t mBytesPerPixel = 4;
+
+public:
+ static void Save(aiTexture* texture, IOStream* file);
+
+protected:
+ static void WriteHeader(Header& header, IOStream* file);
+ static void WriteDIB(DIB& dib, IOStream* file);
+ static void WriteData(aiTexture* texture, IOStream* file);
+};
+
+}
+
+#endif // AI_BITMAP_H_INC