Demo: Added a black and white gradient to Demo>Examples>Custom Rendering.
diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
index d071c7d..b96c0d6 100644
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@@ -38,7 +38,10 @@
- ColorButton: Added ImGuiColorEditFlags_NoBorder flag to remove the border normally enforced
by default for standalone ColorButton.
-- Backends: Added SDL2+Metal example application. (#3017) [@coding-jackalope]
+- Demo: Added a black and white gradient to Demo>Examples>Custom Rendering.
+- Backends: SDL: Added ImGui_ImplSDL2_InitForMetal() for API consistency (even though the function
+ currently does nothing).
+- Examples: Added SDL2+Metal example application. (#3017) [@coding-jackalope]
-----------------------------------------------------------------------
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 32579d1..2a1676d 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -4471,7 +4471,6 @@
if (ImGui::SliderInt("Circle segments", &circle_segments_override_v, 3, 40))
circle_segments_override = true;
ImGui::ColorEdit4("Color", &colf.x);
- ImGui::PopItemWidth();
const ImVec2 p = ImGui::GetCursorScreenPos();
const ImU32 col = ImColor(colf);
const float spacing = 10.0f;
@@ -4510,6 +4509,27 @@
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + 1, y + 1), col); x += sz; // Pixel (faster than AddLine)
draw_list->AddRectFilledMultiColor(ImVec2(x, y), ImVec2(x + sz, y + sz), IM_COL32(0, 0, 0, 255), IM_COL32(255, 0, 0, 255), IM_COL32(255, 255, 0, 255), IM_COL32(0, 255, 0, 255));
ImGui::Dummy(ImVec2((sz + spacing) * 9.8f, (sz + spacing) * 3));
+
+ // Draw black and white gradients
+ static int gradient_steps = 16;
+ ImGui::Separator();
+ ImGui::AlignTextToFramePadding();
+ ImGui::Text("Gradient steps");
+ ImGui::SameLine(); if (ImGui::RadioButton("16", gradient_steps == 16)) { gradient_steps = 16; }
+ ImGui::SameLine(); if (ImGui::RadioButton("32", gradient_steps == 32)) { gradient_steps = 32; }
+ ImGui::SameLine(); if (ImGui::RadioButton("256", gradient_steps == 256)) { gradient_steps = 256; }
+ ImVec2 gradient_size = ImVec2(ImGui::CalcItemWidth(), 64.0f);
+ x = ImGui::GetCursorScreenPos().x;
+ y = ImGui::GetCursorScreenPos().y;
+ for (int n = 0; n < gradient_steps; n++)
+ {
+ float f = n / (float)gradient_steps;
+ ImU32 col32 = ImGui::GetColorU32(ImVec4(f, f, f, 1.0f));
+ draw_list->AddRectFilled(ImVec2(x + gradient_size.x * (n / (float)gradient_steps), y), ImVec2(x + gradient_size.x * ((n+1) / (float)gradient_steps), y + gradient_size.y), col32);
+ }
+ ImGui::InvisibleButton("##gradient", gradient_size);
+
+ ImGui::PopItemWidth();
ImGui::EndTabItem();
}
