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95 lines
3.6 KiB
95 lines
3.6 KiB
13 years ago
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/*
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This file is part of Magnum.
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz>
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include "TgaImageConverter.h"
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#include <fstream>
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#include <tuple>
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#include <Image.h>
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#include "TgaImporter/TgaHeader.h"
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namespace Magnum { namespace Trade { namespace TgaImageConverter {
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TgaImageConverter::TgaImageConverter() = default;
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TgaImageConverter::TgaImageConverter(Corrade::PluginManager::AbstractPluginManager* manager, std::string plugin): AbstractImageConverter(manager, std::move(plugin)) {}
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TgaImageConverter::Features TgaImageConverter::features() const {
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return Feature::ConvertToData|Feature::ConvertToFile;
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}
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std::pair<const unsigned char*, std::size_t> TgaImageConverter::convertToData(const Image2D* const image) const {
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if(image->format() != AbstractImage::Format::BGR &&
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image->format() != AbstractImage::Format::BGRA &&
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image->format() != AbstractImage::Format::Red) {
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Error() << "Trade::TgaImageConverter::TgaImageConverter::convertToData(): unsupported image format" << image->format();
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return {nullptr, 0};
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}
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if(image->type() != AbstractImage::Type::UnsignedByte) {
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Error() << "Trade::TgaImageConverter::TgaImageConverter::convertToData(): unsupported image type" << image->type();
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return {nullptr, 0};
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}
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/* Initialize data buffer */
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const UnsignedByte pixelSize = Image2D::pixelSize(image->format(), image->type());
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const std::size_t size = sizeof(TgaImporter::TgaHeader) + pixelSize*image->size().product();
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unsigned char* data = new unsigned char[size]();
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/* Fill header */
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auto header = reinterpret_cast<TgaImporter::TgaHeader*>(data);
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header->imageType = image->format() == AbstractImage::Format::Red ? 3 : 2;
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header->bpp = pixelSize*8;
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header->width = image->size().x();
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header->height = image->size().y();
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/* Fill data */
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std::copy(image->data(), image->data()+pixelSize*image->size().product(), data+sizeof(TgaImporter::TgaHeader));
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return {data, size};
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}
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bool TgaImageConverter::convertToFile(const Image2D* const image, const std::string& filename) const {
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/* Convert the image */
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const unsigned char* data;
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std::size_t size;
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std::tie(data, size) = convertToData(image);
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if(!data) return false;
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/* Open file */
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std::ofstream out(filename.c_str());
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if(!out.good()) {
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delete[] data;
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return false;
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}
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/* Write contents */
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out.write(reinterpret_cast<const char*>(data), size);
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delete[] data;
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return true;
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}
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}}}
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