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feat: Added a new division by invariant multiplication tool

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WerWolv
2023-01-19 17:01:41 +01:00
parent 17b0f2ae77
commit 05c8158716
2 changed files with 61 additions and 0 deletions
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58
plugins/builtin/source/content/tools_entries.cpp
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@@ -1316,6 +1316,63 @@ namespace hex::plugin::builtin {
}
}
void drawInvariantMultiplicationDecoder() {
static u64 divisor = 1;
static u64 multiplier = 1;
static u64 numBits = 32;
ImGui::TextFormattedWrapped("{}", "hex.builtin.tools.invariant_multiplication.description"_lang);
ImGui::NewLine();
if (ImGui::BeginChild("##calculator", ImVec2(0, ImGui::GetTextLineHeightWithSpacing() * 5), true)) {
static const u64 min = 1, max = 64;
ImGui::SliderScalar("hex.builtin.tools.invariant_multiplication.num_bits"_lang, ImGuiDataType_U64, &numBits, &min, &max);
ImGui::NewLine();
ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, ImVec2(0, 0));
ImGui::PushStyleColor(ImGuiCol_ChildBg, ImGui::GetStyleColorVec4(ImGuiCol_TableRowBgAlt));
if (ImGui::BeginChild("##calculator", ImVec2(0, ImGui::GetTextLineHeightWithSpacing() + 12_scaled), true)) {
ImGui::PushItemWidth(100_scaled);
ImGui::TextUnformatted("X /");
ImGui::SameLine();
if (ImGui::InputScalar("##divisor", ImGuiDataType_U64, &divisor)) {
if (divisor == 0)
divisor = 1;
multiplier = ((1LLU << (numBits + 1)) / divisor) + 1;
}
ImGui::SameLine();
ImGui::TextUnformatted(" <=> ");
ImGui::SameLine();
ImGui::TextUnformatted("( X *");
ImGui::SameLine();
if (ImGui::InputHexadecimal("##multiplier", &multiplier)) {
if (multiplier == 0)
multiplier = 1;
divisor = ((1LLU << (numBits + 1)) / multiplier) + 1;
}
ImGui::SameLine();
ImGui::TextFormatted(") >> {}", numBits + 1);
ImGui::PopItemWidth();
}
ImGui::EndChild();
ImGui::PopStyleColor();
ImGui::PopStyleVar();
}
ImGui::EndChild();
}
}
void registerToolEntries() {
@@ -1330,6 +1387,7 @@ namespace hex::plugin::builtin {
ContentRegistry::Tools::add("hex.builtin.tools.wiki_explain", drawWikiExplainer);
ContentRegistry::Tools::add("hex.builtin.tools.file_tools", drawFileTools);
ContentRegistry::Tools::add("hex.builtin.tools.ieee754", drawIEEE754Decoder);
ContentRegistry::Tools::add("hex.builtin.tools.invariant_multiplication", drawInvariantMultiplicationDecoder);
}
}