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New color dialog to enable system color picking (GTK only)

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Use GTK ColorChooserDialog for color selection of chromakey under linux
This commit is contained in:
Bruno Herbelin
2023-02-21 00:09:24 +01:00
parent c28685c700
commit db462690b3
4 changed files with 132 additions and 21 deletions
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41
src/ImGuiVisitor.cpp
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@@ -29,13 +29,11 @@
#include <glm/gtc/matrix_access.hpp>
#include <tinyxml2.h>
#include "tinyxml2Toolkit.h"
#include "imgui.h"
#include "imgui_internal.h"
#include "defines.h"
#include "Log.h"
#include "Scene.h"
#include "Primitives.h"
#include "ImageShader.h"
@@ -983,26 +981,31 @@ void ImGuiVisitor::visit (AlphaFilter& f)
}
if ( m == AlphaFilter::ALPHA_CHROMAKEY || m == AlphaFilter::ALPHA_FILL)
{
glm::vec4 color = glm::vec4(filter_parameters["Red"], filter_parameters["Green"], filter_parameters["Blue"], 1.f);
if (ImGuiToolkit::IconButton(13, 14)) {
color = glm::vec4(0.f, 0.8f, 0.f, 1.f);
f.setProgramParameter("Red", color.r);
f.setProgramParameter("Green", color.g);
f.setProgramParameter("Blue", color.b);
}
{
static DialogToolkit::ColorPickerDialog colordialog;
// read color from filter
ImVec4 color = ImVec4(filter_parameters["Red"], filter_parameters["Green"], filter_parameters["Blue"], 1.f);
// show color
ImGui::ColorButton("##colorchromakey", *(ImVec4*)&color );
// offer to pick color
ImGui::SameLine(0, IMGUI_SAME_LINE);
ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
if ( ImGui::ColorEdit3("Color", glm::value_ptr(color), ImGuiColorEditFlags_Float | ImGuiColorEditFlags_NoOptions) )
{
f.setProgramParameter("Red", color.r);
f.setProgramParameter("Green", color.g);
f.setProgramParameter("Blue", color.b);
if ( ImGui::Button( ICON_FA_EYE_DROPPER " Pick", ImVec2(IMGUI_RIGHT_ALIGN, 0)) ){
colordialog.setRGB( std::make_tuple(color.x, color.y, color.z) );
colordialog.open();
}
if (ImGui::IsItemDeactivatedAfterEdit()) {
oss << AlphaFilter::operation_label[ f.operation() ];
oss << " : " << "Color" << " " << color.r << " " << color.g << " " << color.b;
Action::manager().store(oss.str());
ImGui::SameLine(0, IMGUI_SAME_LINE);
ImGui::Text("Color");
// get picked color if dialog finished
if (colordialog.closed()){
std::tuple<float, float, float> c = colordialog.RGB();
f.setProgramParameter("Red", std::get<0>(c));
f.setProgramParameter("Green", std::get<1>(c));
f.setProgramParameter("Blue", std::get<2>(c));
}
}