59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
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#ifndef GCRYPTEXAMPLE_VISUALIZE_H
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#define GCRYPTEXAMPLE_VISUALIZE_H
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#include <GCrypt/Block.h>
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#include <BmpPP/Bmp.h>
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#include <string>
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using namespace Leonetienne::GCrypt;
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using namespace Leonetienne::Eule;
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using namespace Leonetienne::BmpPP;
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void VisualizeBlock(const Block& block, const std::string& name) {
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BMP bmp(Vector2i(32, 16), Colormode::RGB);
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std::size_t i = 0;
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for (std::size_t x = 0; x < bmp.GetDimensions().x; x++)
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for (std::size_t y = 0; y < bmp.GetDimensions().y; y++) {
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const std::uint8_t pixel = block.GetBit(i) == false ? 255 : 0;
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bmp.SetPixel(Vector2i(x, y), pixel);
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i++;
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}
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bmp.Write(name);
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return;
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}
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// size.x*size.y MUST equal blocks.size() * Block::BLOCK_SIZE_BITS. That should be, by defalt blocks.size * 512.
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void VisualizeBlocks(const std::vector<Block>& blocks, const Vector2i& size, const std::string& name) {
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//! A bit of error checking...
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if (size.x*size.y != blocks.size() * Block::BLOCK_SIZE_BITS) {
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throw std::invalid_argument("Supplied unfitting widht/height for visualization. Does not fit bits!");
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}
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BMP bmp(size, Colormode::RGB);
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std::size_t i = 0;
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for (std::size_t x = 0; x < bmp.GetDimensions().x; x++)
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for (std::size_t y = 0; y < bmp.GetDimensions().y; y++) {
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const std::size_t blockIndex = i / Block::BLOCK_SIZE_BITS;
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const std::size_t relBitIndex = i - blockIndex * Block::BLOCK_SIZE_BITS;
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const std::uint8_t pixel = blocks[blockIndex].GetBit(relBitIndex) == false ? 255 : 0;
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bmp.SetPixel(Vector2i(x, y), pixel);
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i++;
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}
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bmp.Write(name);
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return;
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}
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#endif
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