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impr: Split out digram and layered distribution in their own section

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WerWolv
2024-02-24 18:54:35 +01:00
parent 4100e48fe2
commit 2f7b949bd1
12 changed files with 170 additions and 55 deletions
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125
plugins/builtin/source/content/data_information_sections.cpp
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@@ -160,8 +160,6 @@ namespace hex::plugin::builtin {
m_blockSize = std::max<u32>(std::ceil(region.getSize() / 2048.0F), 256);
m_byteDistribution.reset();
m_digram.reset(region.getSize());
m_layeredDistribution.reset(region.getSize());
m_byteTypesDistribution.reset(region.getStartAddress(), region.getEndAddress(), provider->getBaseAddress(), provider->getActualSize());
m_chunkBasedEntropy.reset(m_inputChunkSize, region.getStartAddress(), region.getEndAddress(),
provider->getBaseAddress(), provider->getActualSize());
@@ -177,8 +175,6 @@ namespace hex::plugin::builtin {
m_byteDistribution.update(byte);
m_byteTypesDistribution.update(byte);
m_chunkBasedEntropy.update(byte);
m_layeredDistribution.update(byte);
m_digram.update(byte);
task.update();
}
@@ -318,21 +314,6 @@ namespace hex::plugin::builtin {
ImGui::EndTable();
}
auto availableWidth = ImGui::GetContentRegionAvail().x;
ImGui::BeginGroup();
{
ImGui::TextUnformatted("hex.builtin.information_section.info_analysis.digram"_lang);
m_digram.draw({ availableWidth, availableWidth });
}
ImGui::EndGroup();
ImGui::BeginGroup();
{
ImGui::TextUnformatted("hex.builtin.information_section.info_analysis.layered_distribution"_lang);
m_layeredDistribution.draw({ availableWidth, availableWidth });
}
ImGui::EndGroup();
}
void load(const nlohmann::json &data) override {
@@ -360,17 +341,119 @@ namespace hex::plugin::builtin {
u64 m_lowestBlockEntropyAddress = 0x00;
double m_plainTextCharacterPercentage = -1.0;
DiagramDigram m_digram;
DiagramLayeredDistribution m_layeredDistribution;
DiagramByteDistribution m_byteDistribution;
DiagramByteTypesDistribution m_byteTypesDistribution;
DiagramChunkBasedEntropyAnalysis m_chunkBasedEntropy;
};
class InformationByteRelationshipAnalysis : public ContentRegistry::DataInformation::InformationSection {
public:
InformationByteRelationshipAnalysis() : InformationSection("hex.builtin.information_section.relationship_analysis", "", true) {
}
~InformationByteRelationshipAnalysis() override {
}
void process(Task &task, prv::Provider *provider, Region region) override {
updateSettings();
m_digram.reset(region.getSize());
m_layeredDistribution.reset(region.getSize());
// Create a handle to the file
auto reader = prv::ProviderReader(provider);
reader.seek(region.getStartAddress());
reader.setEndAddress(region.getEndAddress());
// Loop over each byte of the selection and update each analysis
// one byte at a time to process the file only once
for (u8 byte : reader) {
m_layeredDistribution.update(byte);
m_digram.update(byte);
task.update();
}
}
void reset() override {
m_digram.reset(0);
m_layeredDistribution.reset(0);
updateSettings();
}
void drawSettings() override {
if (ImGuiExt::InputHexadecimal("hex.builtin.information_section.relationship_analysis.sample_size"_lang, &m_sampleSize)) {
updateSettings();
}
if (ImGui::SliderFloat("hex.builtin.information_section.relationship_analysis.brightness"_lang, &m_brightness, 0.0F, 1.0F)) {
updateSettings();
}
if (ImGui::Combo("hex.builtin.information_section.relationship_analysis.filter"_lang, reinterpret_cast<int*>(&m_filter), "Nearest\0Linear\0\0")) {
updateSettings();
}
}
void drawContent() override {
auto availableWidth = ImGui::GetContentRegionAvail().x;
ImGui::BeginGroup();
{
ImGui::TextUnformatted("hex.builtin.information_section.relationship_analysis.digram"_lang);
m_digram.draw({ availableWidth, availableWidth });
}
ImGui::EndGroup();
ImGui::BeginGroup();
{
ImGui::TextUnformatted("hex.builtin.information_section.relationship_analysis.layered_distribution"_lang);
m_layeredDistribution.draw({ availableWidth, availableWidth });
}
ImGui::EndGroup();
}
void load(const nlohmann::json &data) override {
InformationSection::load(data);
m_filter = data.value("filter", ImGuiExt::Texture::Filter::Nearest);
m_sampleSize = data.value("sample_size", 0x9000);
m_brightness = data.value("brightness", 0.5F);
updateSettings();
}
nlohmann::json store() override {
auto result = InformationSection::store();
result["sample_size"] = m_sampleSize;
result["brightness"] = m_brightness;
result["filter"] = m_filter;
return result;
}
private:
void updateSettings() {
m_digram.setFiltering(m_filter);
m_digram.setSampleSize(m_sampleSize);
m_digram.setBrightness(m_brightness);
m_layeredDistribution.setFiltering(m_filter);
m_layeredDistribution.setSampleSize(m_sampleSize);
m_layeredDistribution.setBrightness(m_brightness);
}
private:
ImGuiExt::Texture::Filter m_filter = ImGuiExt::Texture::Filter::Nearest;
u64 m_sampleSize = 0x9000;
float m_brightness = 0.5F;
DiagramDigram m_digram;
DiagramLayeredDistribution m_layeredDistribution;
};
void registerDataInformationSections() {
ContentRegistry::DataInformation::addInformationSection<InformationProvider>();
ContentRegistry::DataInformation::addInformationSection<InformationMagic>();
ContentRegistry::DataInformation::addInformationSection<InformationByteAnalysis>();
ContentRegistry::DataInformation::addInformationSection<InformationByteRelationshipAnalysis>();
}
}