diff options
Diffstat (limited to 'tools/pe_bliss/resource_bitmap_reader.cpp')
| -rw-r--r-- | tools/pe_bliss/resource_bitmap_reader.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tools/pe_bliss/resource_bitmap_reader.cpp b/tools/pe_bliss/resource_bitmap_reader.cpp new file mode 100644 index 0000000000..3546461f53 --- /dev/null +++ b/tools/pe_bliss/resource_bitmap_reader.cpp @@ -0,0 +1,86 @@ +/*************************************************************************/ +/* Copyright (c) 2015 dx, http://kaimi.ru */ +/* */ +/* Permission is hereby granted, free of charge, to any person */ +/* obtaining a copy of this software and associated documentation */ +/* files (the "Software"), to deal in the Software without */ +/* restriction, including without limitation the rights to use, */ +/* copy, modify, merge, publish, distribute, sublicense, and/or */ +/* sell copies of the Software, and to permit persons to whom the */ +/* Software is furnished to do so, subject to the following conditions: */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ +#include <cmath> +#include "resource_bitmap_reader.h" +#include "pe_resource_viewer.h" +#include "pe_structures.h" + +namespace pe_bliss +{ +using namespace pe_win; + +resource_bitmap_reader::resource_bitmap_reader(const pe_resource_viewer& res) + :res_(res) +{} + +//Returns bitmap data by name and index in language directory (instead of language) (minimum checks of format correctness) +const std::string resource_bitmap_reader::get_bitmap_by_name(const std::wstring& name, uint32_t index) const +{ + return create_bitmap(res_.get_resource_data_by_name(pe_resource_viewer::resource_bitmap, name, index).get_data()); +} + +//Returns bitmap data by name and language (minimum checks of format correctness) +const std::string resource_bitmap_reader::get_bitmap_by_name(uint32_t language, const std::wstring& name) const +{ + return create_bitmap(res_.get_resource_data_by_name(language, pe_resource_viewer::resource_bitmap, name).get_data()); +} + +//Returns bitmap data by ID and language (minimum checks of format correctness) +const std::string resource_bitmap_reader::get_bitmap_by_id_lang(uint32_t language, uint32_t id) const +{ + return create_bitmap(res_.get_resource_data_by_id(language, pe_resource_viewer::resource_bitmap, id).get_data()); +} + +//Returns bitmap data by ID and index in language directory (instead of language) (minimum checks of format correctness) +const std::string resource_bitmap_reader::get_bitmap_by_id(uint32_t id, uint32_t index) const +{ + return create_bitmap(res_.get_resource_data_by_id(pe_resource_viewer::resource_bitmap, id, index).get_data()); +} + +//Helper function of creating bitmap header +const std::string resource_bitmap_reader::create_bitmap(const std::string& resource_data) +{ + //Create bitmap file header + bitmapfileheader header = {0}; + header.bfType = 0x4d42; //Signature "BM" + header.bfOffBits = sizeof(bitmapfileheader) + sizeof(bitmapinfoheader); //Offset to bitmap bits + header.bfSize = static_cast<uint32_t>(sizeof(bitmapfileheader) + resource_data.length()); //Size of bitmap + + //Check size of resource data + if(resource_data.length() < sizeof(bitmapinfoheader)) + throw pe_exception("Incorrect resource bitmap", pe_exception::resource_incorrect_bitmap); + + { + //Get bitmap info header + const bitmapinfoheader* info = reinterpret_cast<const bitmapinfoheader*>(resource_data.data()); + + //If color table is present, skip it + if(info->biClrUsed != 0) + header.bfOffBits += 4 * info->biClrUsed; //Add this size to offset to bitmap bits + else if(info->biBitCount <= 8) + header.bfOffBits += 4 * static_cast<uint32_t>(std::pow(2.f, info->biBitCount)); //Add this size to offset to bitmap bits + } + + //Return final bitmap data + return std::string(reinterpret_cast<const char*>(&header), sizeof(bitmapfileheader)) + resource_data; +} +} |