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ColorEdit4: Preliminary support for ImGuiColorEditFlags_HDR flag (currently only lift limits). (#346)

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This commit is contained in:
omar
2017-07-30 23:08:43 +08:00
parent f6a89779c8
commit 3075d8bcd4
3 changed files with 29 additions and 25 deletions
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20
imgui_demo.cpp
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@ -662,25 +662,27 @@ void ImGui::ShowTestWindow(bool* p_open)
{
static ImVec4 color = ImColor(114, 144, 154, 200);
static bool hdr = false;
static bool alpha_preview = true;
static bool alpha_half_preview = false;
ImGui::Checkbox("With HDR", &hdr); ImGui::SameLine(); ShowHelpMarker("Currently all this does is to lift the 0..1 limits on dragging widgets.");
ImGui::Checkbox("With Alpha Preview", &alpha_preview);
ImGui::Checkbox("With Half Alpha Preview", &alpha_half_preview);
int alpha_preview_flags = alpha_half_preview ? ImGuiColorEditFlags_AlphaPreviewHalf : (alpha_preview ? ImGuiColorEditFlags_AlphaPreview : 0);
int misc_flags = (hdr ? ImGuiColorEditFlags_HDR : 0) | (alpha_half_preview ? ImGuiColorEditFlags_AlphaPreviewHalf : (alpha_preview ? ImGuiColorEditFlags_AlphaPreview : 0));
ImGui::Text("Color widget:");
ImGui::SameLine(); ShowHelpMarker("Click on the colored square to open a color picker.\nRight-click on the colored square to show options.\nCTRL+click on individual component to input value.\n");
ImGui::ColorEdit3("MyColor##1", (float*)&color, ImGuiColorEditFlags_HSV);
ImGui::Text("Color widget with Alpha:");
ImGui::ColorEdit4("MyColor##2", (float*)&color, alpha_preview_flags);
ImGui::ColorEdit4("MyColor##2", (float*)&color, misc_flags);
ImGui::Text("Color widget with Float Display:");
ImGui::ColorEdit4("MyColor##2f", (float*)&color, ImGuiColorEditFlags_Float | alpha_preview_flags);
ImGui::ColorEdit4("MyColor##2f", (float*)&color, ImGuiColorEditFlags_Float | misc_flags);
ImGui::Text("Color button with Picker:");
ImGui::SameLine(); ShowHelpMarker("With the ImGuiColorEditFlags_NoInputs flag you can hide all the slider/text inputs.\nWith the ImGuiColorEditFlags_NoLabel flag you can pass a non-empty label which will only be used for the tooltip and picker popup.");
ImGui::ColorEdit4("MyColor##3", (float*)&color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel | alpha_preview_flags);
ImGui::ColorEdit4("MyColor##3", (float*)&color, ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel | misc_flags);
ImGui::Text("Color button with Custom Picker Popup:");
static bool saved_palette_inited = false;
@ -689,7 +691,7 @@ void ImGui::ShowTestWindow(bool* p_open)
if (!saved_palette_inited)
for (int n = 0; n < IM_ARRAYSIZE(saved_palette); n++)
ImGui::ColorConvertHSVtoRGB(n / 31.0f, 0.8f, 0.8f, saved_palette[n].x, saved_palette[n].y, saved_palette[n].z);
bool open_popup = ImGui::ColorButton("MyColor##3b", color, alpha_preview_flags);
bool open_popup = ImGui::ColorButton("MyColor##3b", color, misc_flags);
ImGui::SameLine();
open_popup |= ImGui::Button("Palette");
if (open_popup)
@ -702,7 +704,7 @@ void ImGui::ShowTestWindow(bool* p_open)
// FIXME: Adding a drag and drop example here would be perfect!
ImGui::Text("MY CUSTOM COLOR PICKER WITH AN AMAZING PALETTE!");
ImGui::Separator();
ImGui::ColorPicker4("##picker", (float*)&color, alpha_preview_flags | ImGuiColorEditFlags_NoSidePreview | ImGuiColorEditFlags_NoSmallPreview);
ImGui::ColorPicker4("##picker", (float*)&color, misc_flags | ImGuiColorEditFlags_NoSidePreview | ImGuiColorEditFlags_NoSmallPreview);
ImGui::SameLine();
ImGui::BeginGroup();
ImGui::Text("Current");
@ -726,7 +728,7 @@ void ImGui::ShowTestWindow(bool* p_open)
}
ImGui::Text("Color button only:");
ImGui::ColorButton("MyColor##3b", *(ImVec4*)&color, alpha_preview_flags, ImVec2(80,80));
ImGui::ColorButton("MyColor##3b", *(ImVec4*)&color, misc_flags, ImVec2(80,80));
ImGui::Text("Color picker:");
static bool alpha = true;
@ -745,14 +747,14 @@ void ImGui::ShowTestWindow(bool* p_open)
if (ref_color)
{
ImGui::SameLine();
ImGui::ColorEdit4("##RefColor", &ref_color_v.x, ImGuiColorEditFlags_NoInputs | alpha_preview_flags);
ImGui::ColorEdit4("##RefColor", &ref_color_v.x, ImGuiColorEditFlags_NoInputs | misc_flags);
}
}
ImGui::Combo("Mode", &inputs_mode, "All Inputs\0No Inputs\0RGB Input\0HSV Input\0HEX Input\0");
ImGui::SameLine(); ShowHelpMarker("User can right-click the inputs and override edit mode.");
//ImGui::DragFloat("Width", &width, 1.0f, 1.0f, 999.0f);
//ImGui::PushItemWidth(width);
ImGuiColorEditFlags flags = alpha_preview_flags;
ImGuiColorEditFlags flags = misc_flags;
if (!alpha) flags |= ImGuiColorEditFlags_NoAlpha; // This is by default if you call ColorPicker3() instead of ColorPicker4()
if (alpha_bar) flags |= ImGuiColorEditFlags_AlphaBar;
if (!side_preview) flags |= ImGuiColorEditFlags_NoSidePreview;