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Improved sliders Color correction Threshold and Posterize

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This commit is contained in:
Bruno Herbelin
2023-04-13 00:00:02 +02:00
parent f4add84a13
commit 8beeced7c2
1 changed files with 25 additions and 19 deletions
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44
src/ImGuiVisitor.cpp
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@@ -358,11 +358,35 @@ void ImGuiVisitor::visit(ImageProcessingShader &n)
Action::manager().store(oss.str());
}
///
/// POSTERIZATION
///
ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
float posterized = n.nbColors < 1 ? 257.f : n.nbColors;
if (ImGui::SliderFloat("##Posterize", &posterized, 257.f, 1.f, posterized > 256.f ? "Full range" : "%.0f colors", 0.5f)) {
n.nbColors = posterized > 256 ? 0.f : posterized;
}
if (ImGui::IsItemDeactivatedAfterEdit()){
std::ostringstream oss;
oss << "Posterize ";
if (n.nbColors == 0) oss << "Full range"; else oss << n.nbColors;
Action::manager().store(oss.str());
}
ImGui::SameLine(0, IMGUI_SAME_LINE);
if (ImGuiToolkit::TextButton("Posterize ")) {
n.nbColors = 0.f;
oss << "Posterize Full range";
Action::manager().store(oss.str());
}
///
/// THRESHOLD
///
ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
ImGui::SliderFloat("##Threshold", &n.threshold, 0.0, 1.0, n.threshold < 0.001 ? "None" : "%.2f");
float threshold = n.threshold < 0.001f ? 1.f : n.threshold;
if (ImGui::SliderFloat("##Threshold", &threshold, 1.f, 0.f, threshold > 0.999f ? "None" : "%.3f") ){
n.threshold = threshold > 0.999f ? 0.f : threshold;
}
if (ImGui::IsItemDeactivatedAfterEdit()){
oss << "Threshold ";
if (n.threshold < 0.001) oss << "None"; else oss << std::setprecision(2) << n.threshold;
@@ -375,24 +399,6 @@ void ImGuiVisitor::visit(ImageProcessingShader &n)
Action::manager().store(oss.str());
}
///
/// POSTERIZATION
///
ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
ImGui::SliderInt("##Posterize", &n.nbColors, 0, 16, n.nbColors == 0 ? "None" : "%d colors");
if (ImGui::IsItemDeactivatedAfterEdit()){
std::ostringstream oss;
oss << "Posterize ";
if (n.nbColors == 0) oss << "None"; else oss << n.nbColors;
Action::manager().store(oss.str());
}
ImGui::SameLine(0, IMGUI_SAME_LINE);
if (ImGuiToolkit::TextButton("Posterize ")) {
n.nbColors = 0.f;
oss << "Posterize None";
Action::manager().store(oss.str());
}
///
/// INVERSION
///