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@ -48,10 +48,24 @@ show_histogram_svg(const vector<size_t>& bins) {
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const auto TEXT_WIDTH = 50;
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const auto BIN_HEIGHT = 30;
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const auto BLOCK_WIDTH = 10;
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const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
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size_t max_count = 0;
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for (size_t x : bins) {
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if (x > max_count) {
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max_count = x;
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}
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}
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if (max_count == 0) {
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max_count = 1;
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}
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auto scale_factor = static_cast<double>(MAX_WIDTH) / (max_count * BLOCK_WIDTH);
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if (scale_factor > 1) {
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scale_factor = 1;
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}
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svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
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double top = 0;
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for (size_t bin : bins) {
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const double bin_width = BLOCK_WIDTH * bin;
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double bin_width = BLOCK_WIDTH * bin * scale_factor;
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svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
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top += BIN_HEIGHT;
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