AddCircle, AddCircleFilled: Add auto-calculation of circle segment counts

This commit is contained in:
Ben Carter
2019-12-09 15:57:24 +09:00
committed by omar
parent 2eda3585e7
commit 051ce0765e
5 changed files with 62 additions and 8 deletions

View File

@ -3502,6 +3502,7 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
ImGui::PushItemWidth(100);
ImGui::DragFloat("Curve Tessellation Tolerance", &style.CurveTessellationTol, 0.02f, 0.10f, FLT_MAX, "%.2f", 2.0f);
if (style.CurveTessellationTol < 0.10f) style.CurveTessellationTol = 0.10f;
ImGui::DragFloat("Max circle segment error", &style.CircleSegmentMaxError, 0.01f, 0.1f, 10.0f, "%.2f", 1.0f);
ImGui::DragFloat("Global Alpha", &style.Alpha, 0.005f, 0.20f, 1.0f, "%.2f"); // Not exposing zero here so user doesn't "lose" the UI (zero alpha clips all widgets). But application code could have a toggle to switch between zero and non-zero.
ImGui::PopItemWidth();
@ -4471,7 +4472,7 @@ static void ShowExampleAppCustomRendering(bool* p_open)
// First line uses a thickness of 1.0f, second line uses the configurable thickness
float th = (n == 0) ? 1.0f : thickness;
draw_list->AddNgon(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col, ngon_sides, th); x += sz + spacing; // n-gon
draw_list->AddCircle(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col, 20, th); x += sz + spacing; // Circle
draw_list->AddCircle(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col, 0, th); x += sz + spacing; // Circle
draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 0.0f, corners_none, th); x += sz + spacing; // Square
draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 10.0f, corners_all, th); x += sz + spacing; // Square with all rounded corners
draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 10.0f, corners_tl_br, th); x += sz + spacing; // Square with two rounded corners
@ -4485,7 +4486,7 @@ static void ShowExampleAppCustomRendering(bool* p_open)
y += sz + spacing;
}
draw_list->AddNgonFilled(ImVec2(x + sz * 0.5f, y + sz * 0.5f), sz*0.5f, col, ngon_sides); x += sz + spacing; // n-gon
draw_list->AddCircleFilled(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col, 32); x += sz + spacing; // Circle
draw_list->AddCircleFilled(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col, 0); x += sz + spacing; // Circle
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col); x += sz + spacing; // Square
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 10.0f); x += sz + spacing; // Square with all rounded corners
draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col, 10.0f, corners_tl_br); x += sz + spacing; // Square with two rounded corners