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Amend defce31 Add ImDrawList::AddQuadBezierCurve(), ImDrawList::PathQuadBezierCurveTo() (#3127, #3664, #3665)

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ocornut
2020-12-21 16:25:56 +01:00
parent defce31c2e
commit 550bfcfc59
5 changed files with 32 additions and 24 deletions
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19
imgui_demo.cpp
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@@ -6917,7 +6917,7 @@ static void ShowExampleAppCustomRendering(bool* p_open)
// Draw a bunch of primitives
ImGui::Text("All primitives");
static float sz = 33.0f;
static float sz = 36.0f;
static float thickness = 3.0f;
static int ngon_sides = 6;
static bool circle_segments_override = false;
@@ -6930,12 +6930,10 @@ static void ShowExampleAppCustomRendering(bool* p_open)
ImGui::SliderInt("N-gon sides", &ngon_sides, 3, 12);
ImGui::Checkbox("##circlesegmentoverride", &circle_segments_override);
ImGui::SameLine(0.0f, ImGui::GetStyle().ItemInnerSpacing.x);
if (ImGui::SliderInt("Circle segments", &circle_segments_override_v, 3, 40))
circle_segments_override = true;
circle_segments_override |= ImGui::SliderInt("Circle segments override", &circle_segments_override_v, 3, 40);
ImGui::Checkbox("##curvessegmentoverride", &curve_segments_override);
ImGui::SameLine(0.0f, ImGui::GetStyle().ItemInnerSpacing.x);
if (ImGui::SliderInt("Curves segments", &curve_segments_override_v, 3, 40))
curve_segments_override = true;
curve_segments_override |= ImGui::SliderInt("Curves segments override", &curve_segments_override_v, 3, 40);
ImGui::ColorEdit4("Color", &colf.x);
const ImVec2 p = ImGui::GetCursorScreenPos();
@@ -6962,8 +6960,15 @@ static void ShowExampleAppCustomRendering(bool* p_open)
draw_list->AddLine(ImVec2(x, y), ImVec2(x + sz, y), col, th); x += sz + spacing; // Horizontal line (note: drawing a filled rectangle will be faster!)
draw_list->AddLine(ImVec2(x, y), ImVec2(x, y + sz), col, th); x += spacing; // Vertical line (note: drawing a filled rectangle will be faster!)
draw_list->AddLine(ImVec2(x, y), ImVec2(x + sz, y + sz), col, th); x += sz + spacing; // Diagonal line
draw_list->AddQuadBezierCurve(ImVec2(x, y + sz * 0.6), ImVec2(x + sz * 0.5, y - sz * 0.4), ImVec2(x + sz, y + sz), col, th, curve_segments); x += sz + spacing; // Quad Bezier (3 control points)
draw_list->AddBezierCurve(ImVec2(x, y), ImVec2(x + sz * 1.3f, y + sz * 0.3f), ImVec2(x + sz - sz * 1.3f, y + sz - sz * 0.3f), ImVec2(x + sz, y + sz), col, th, curve_segments);
// Quadratic Bezier Curve (3 control points)
ImVec2 cp3[3] = { ImVec2(x, y + sz * 0.6f), ImVec2(x + sz * 0.5f, y - sz * 0.4f), ImVec2(x + sz, y + sz) };
draw_list->AddQuadBezierCurve(cp3[0], cp3[1], cp3[2], col, th, curve_segments); x += sz + spacing;
// Cubic Bezier Curve (4 control points)
ImVec2 cp4[4] = { ImVec2(x, y), ImVec2(x + sz * 1.3f, y + sz * 0.3f), ImVec2(x + sz - sz * 1.3f, y + sz - sz * 0.3f), ImVec2(x + sz, y + sz) };
draw_list->AddBezierCurve(cp4[0], cp4[1], cp4[2], cp4[3], col, th, curve_segments);
x = p.x + 4;
y += sz + spacing;
}