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Texture-based round corners: Added support for multiple stroke widths

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This commit is contained in:
Ben Carter
2019-12-05 15:48:41 +09:00
committed by ocornut
parent 8e97a4a724
commit ff3e7feba7
5 changed files with 254 additions and 122 deletions
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13
imgui_demo.cpp
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@ -258,7 +258,6 @@ static void GetVtxIdxDelta(ImDrawList* dl, int* vtx, int *idx)
}
// https://github.com/ocornut/imgui/issues/1962
// FIXME-ROUNDCORNERS: Figure out how to support multiple thickness, might hard-code common steps (1.0, 1.5, 2.0, 3.0), not super satisfactory but may be best
static void TestTextureBasedRender()
{
ImGuiIO& io = ImGui::GetIO();
@ -272,7 +271,11 @@ static void TestTextureBasedRender()
static int segments = 20;
static int ngon_segments = 6;
ImGui::SliderFloat("radius", &radius, 0.0f, (float)64 /*ImFontAtlasRoundCornersMaxSize*/, "%.0f");
ImGui::SliderFloat("radius", &radius, 0.0f, 64.0f /*(float)ImFontAtlasRoundCornersMaxSize*/, "%.0f");
static float stroke_width = 1.0f;
ImGui::SliderFloat("stroke_width", &stroke_width, 1.0f, 10.0f, "%.0f");
int vtx_n = 0;
int idx_n = 0;
@ -299,7 +302,7 @@ static void TestTextureBasedRender()
GetVtxIdxDelta(draw_list, &vtx_n, &idx_n);
ImVec2 min = ImGui::GetItemRectMin();
ImVec2 size = ImGui::GetItemRectSize();
draw_list->AddCircle(ImVec2(min.x + size.x * 0.5f, min.y + size.y * 0.5f), radius, IM_COL32(255,0,255,255), segments);
draw_list->AddCircle(ImVec2(min.x + size.x * 0.5f, min.y + size.y * 0.5f), radius, IM_COL32(255,0,255,255), segments, stroke_width);
GetVtxIdxDelta(draw_list, &vtx_n, &idx_n);
ImGui::Text("AddCircle\n %d vtx, %d idx", vtx_n, idx_n);
}
@ -336,7 +339,7 @@ static void TestTextureBasedRender()
ImVec2 r_max = ImGui::GetItemRectMax();
GetVtxIdxDelta(draw_list, &vtx_n, &idx_n);
draw_list->AddRect(r_min, r_max, IM_COL32(255,0,255,255), radius, corner_flags);
draw_list->AddRect(r_min, r_max, IM_COL32(255,0,255,255), radius, corner_flags, stroke_width);
GetVtxIdxDelta(draw_list, &vtx_n, &idx_n);
ImGui::Text("AddRect\n %d vtx, %d idx", vtx_n, idx_n);
}
@ -367,7 +370,7 @@ static void TestTextureBasedRender()
GetVtxIdxDelta(draw_list, &vtx_n, &idx_n);
ImVec2 min = ImGui::GetItemRectMin();
ImVec2 size = ImGui::GetItemRectSize();
draw_list->AddNgon(ImVec2(min.x + size.x * 0.5f, min.y + size.y * 0.5f), radius, IM_COL32(255, 0, 255, 255), ngon_segments);
draw_list->AddNgon(ImVec2(min.x + size.x * 0.5f, min.y + size.y * 0.5f), radius, IM_COL32(255, 0, 255, 255), ngon_segments, stroke_width);
GetVtxIdxDelta(draw_list, &vtx_n, &idx_n);
ImGui::Text("AddNgon\n %d vtx, %d idx", vtx_n, idx_n);
}