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@@ -3974,97 +3974,121 @@ static void ShowExampleAppCustomRendering(bool* p_open)
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// In this example we are not using the maths operators!
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ImDrawList* draw_list = ImGui::GetWindowDrawList();
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- // Primitives
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- ImGui::Text("Primitives");
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- static float sz = 36.0f;
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- static float thickness = 4.0f;
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- static ImVec4 col = ImVec4(1.0f, 1.0f, 0.4f, 1.0f);
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- ImGui::DragFloat("Size", &sz, 0.2f, 2.0f, 72.0f, "%.0f");
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- ImGui::DragFloat("Thickness", &thickness, 0.05f, 1.0f, 8.0f, "%.02f");
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- ImGui::ColorEdit4("Color", &col.x);
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+ if (ImGui::BeginTabBar("##TabBar"))
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{
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- const ImVec2 p = ImGui::GetCursorScreenPos();
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- const ImU32 col32 = ImColor(col);
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- float x = p.x + 4.0f, y = p.y + 4.0f, spacing = 8.0f;
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- for (int n = 0; n < 2; n++)
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+ // Primitives
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+ if (ImGui::BeginTabItem("Primitives"))
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{
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- // First line uses a thickness of 1.0, second line uses the configurable thickness
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- float th = (n == 0) ? 1.0f : thickness;
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- draw_list->AddCircle(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 6, th); x += sz+spacing; // Hexagon
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- draw_list->AddCircle(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 20, th); x += sz+spacing; // Circle
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- draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 0.0f, ImDrawCornerFlags_All, th); x += sz+spacing;
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- draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ImDrawCornerFlags_All, th); x += sz+spacing;
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- draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ImDrawCornerFlags_TopLeft|ImDrawCornerFlags_BotRight, th); x += sz+spacing;
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- draw_list->AddTriangle(ImVec2(x+sz*0.5f, y), ImVec2(x+sz,y+sz-0.5f), ImVec2(x,y+sz-0.5f), col32, th); x += sz+spacing;
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- draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y ), col32, th); x += sz+spacing; // Horizontal line (note: drawing a filled rectangle will be faster!)
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- draw_list->AddLine(ImVec2(x, y), ImVec2(x, y+sz), col32, th); x += spacing; // Vertical line (note: drawing a filled rectangle will be faster!)
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- draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, th); x += sz+spacing; // Diagonal line
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- 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), col32, th);
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- x = p.x + 4;
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- y += sz+spacing;
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- }
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- draw_list->AddCircleFilled(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 6); x += sz+spacing; // Hexagon
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- draw_list->AddCircleFilled(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 32); x += sz+spacing; // Circle
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- draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32); x += sz+spacing;
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- draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f); x += sz+spacing;
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- draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ImDrawCornerFlags_TopLeft|ImDrawCornerFlags_BotRight); x += sz+spacing;
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- draw_list->AddTriangleFilled(ImVec2(x+sz*0.5f, y), ImVec2(x+sz,y+sz-0.5f), ImVec2(x,y+sz-0.5f), col32); x += sz+spacing;
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- draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+thickness), col32); x += sz+spacing; // Horizontal line (faster than AddLine, but only handle integer thickness)
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- draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+thickness, y+sz), col32); x += spacing+spacing; // Vertical line (faster than AddLine, but only handle integer thickness)
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- draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+1, y+1), col32); x += sz; // Pixel (faster than AddLine)
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- 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));
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- ImGui::Dummy(ImVec2((sz+spacing)*8, (sz+spacing)*3));
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- }
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- ImGui::Separator();
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- {
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- static ImVector<ImVec2> points;
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- static bool adding_line = false;
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- ImGui::Text("Canvas example");
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- if (ImGui::Button("Clear")) points.clear();
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- if (points.Size >= 2) { ImGui::SameLine(); if (ImGui::Button("Undo")) { points.pop_back(); points.pop_back(); } }
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- ImGui::Text("Left-click and drag to add lines,\nRight-click to undo");
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-
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- // Here we are using InvisibleButton() as a convenience to 1) advance the cursor and 2) allows us to use IsItemHovered()
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- // But you can also draw directly and poll mouse/keyboard by yourself. You can manipulate the cursor using GetCursorPos() and SetCursorPos().
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- // If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max).
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- ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
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- ImVec2 canvas_size = ImGui::GetContentRegionAvail(); // Resize canvas to what's available
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- if (canvas_size.x < 50.0f) canvas_size.x = 50.0f;
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- if (canvas_size.y < 50.0f) canvas_size.y = 50.0f;
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- draw_list->AddRectFilledMultiColor(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(50, 50, 50, 255), IM_COL32(50, 50, 60, 255), IM_COL32(60, 60, 70, 255), IM_COL32(50, 50, 60, 255));
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- draw_list->AddRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(255, 255, 255, 255));
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-
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- bool adding_preview = false;
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- ImGui::InvisibleButton("canvas", canvas_size);
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- ImVec2 mouse_pos_in_canvas = ImVec2(ImGui::GetIO().MousePos.x - canvas_pos.x, ImGui::GetIO().MousePos.y - canvas_pos.y);
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- if (adding_line)
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- {
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- adding_preview = true;
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- points.push_back(mouse_pos_in_canvas);
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- if (!ImGui::IsMouseDown(0))
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- adding_line = adding_preview = false;
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+ static float sz = 36.0f;
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+ static float thickness = 4.0f;
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+ static ImVec4 col = ImVec4(1.0f, 1.0f, 0.4f, 1.0f);
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+ ImGui::DragFloat("Size", &sz, 0.2f, 2.0f, 72.0f, "%.0f");
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+ ImGui::DragFloat("Thickness", &thickness, 0.05f, 1.0f, 8.0f, "%.02f");
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+ ImGui::ColorEdit4("Color", &col.x);
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+ const ImVec2 p = ImGui::GetCursorScreenPos();
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+ const ImU32 col32 = ImColor(col);
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+ float x = p.x + 4.0f, y = p.y + 4.0f, spacing = 8.0f;
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+ for (int n = 0; n < 2; n++)
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+ {
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+ // First line uses a thickness of 1.0, second line uses the configurable thickness
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+ float th = (n == 0) ? 1.0f : thickness;
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+ draw_list->AddCircle(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 6, th); x += sz + spacing; // Hexagon
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+ draw_list->AddCircle(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 20, th); x += sz + spacing; // Circle
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+ draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 0.0f, ImDrawCornerFlags_All, th); x += sz + spacing;
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+ draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f, ImDrawCornerFlags_All, th); x += sz + spacing;
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+ draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f, ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotRight, th); x += sz + spacing;
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+ draw_list->AddTriangle(ImVec2(x + sz*0.5f, y), ImVec2(x + sz, y + sz - 0.5f), ImVec2(x, y + sz - 0.5f), col32, th); x += sz + spacing;
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+ draw_list->AddLine(ImVec2(x, y), ImVec2(x + sz, y), col32, th); x += sz + spacing; // Horizontal line (note: drawing a filled rectangle will be faster!)
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+ draw_list->AddLine(ImVec2(x, y), ImVec2(x, y + sz), col32, th); x += spacing; // Vertical line (note: drawing a filled rectangle will be faster!)
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+ draw_list->AddLine(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, th); x += sz + spacing; // Diagonal line
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+ 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), col32, th);
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+ x = p.x + 4;
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+ y += sz + spacing;
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+ }
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+ draw_list->AddCircleFilled(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 6); x += sz + spacing; // Hexagon
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+ draw_list->AddCircleFilled(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 32); x += sz + spacing; // Circle
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+ draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col32); x += sz + spacing;
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+ draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f); x += sz + spacing;
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+ draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f, ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotRight); x += sz + spacing;
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+ draw_list->AddTriangleFilled(ImVec2(x + sz*0.5f, y), ImVec2(x + sz, y + sz - 0.5f), ImVec2(x, y + sz - 0.5f), col32); x += sz + spacing;
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+ draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + thickness), col32); x += sz + spacing; // Horizontal line (faster than AddLine, but only handle integer thickness)
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+ draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + thickness, y + sz), col32); x += spacing + spacing; // Vertical line (faster than AddLine, but only handle integer thickness)
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+ draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + 1, y + 1), col32); x += sz; // Pixel (faster than AddLine)
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+ 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));
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+ ImGui::Dummy(ImVec2((sz + spacing) * 8, (sz + spacing) * 3));
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+ ImGui::EndTabItem();
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}
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- if (ImGui::IsItemHovered())
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+
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+ if (ImGui::BeginTabItem("Canvas"))
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{
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- if (!adding_line && ImGui::IsMouseClicked(0))
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+ static ImVector<ImVec2> points;
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+ static bool adding_line = false;
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+ if (ImGui::Button("Clear")) points.clear();
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+ if (points.Size >= 2) { ImGui::SameLine(); if (ImGui::Button("Undo")) { points.pop_back(); points.pop_back(); } }
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+ ImGui::Text("Left-click and drag to add lines,\nRight-click to undo");
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+
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+ // Here we are using InvisibleButton() as a convenience to 1) advance the cursor and 2) allows us to use IsItemHovered()
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+ // But you can also draw directly and poll mouse/keyboard by yourself. You can manipulate the cursor using GetCursorPos() and SetCursorPos().
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+ // If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max).
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+ ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
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+ ImVec2 canvas_size = ImGui::GetContentRegionAvail(); // Resize canvas to what's available
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+ if (canvas_size.x < 50.0f) canvas_size.x = 50.0f;
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+ if (canvas_size.y < 50.0f) canvas_size.y = 50.0f;
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+ draw_list->AddRectFilledMultiColor(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(50, 50, 50, 255), IM_COL32(50, 50, 60, 255), IM_COL32(60, 60, 70, 255), IM_COL32(50, 50, 60, 255));
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+ draw_list->AddRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(255, 255, 255, 255));
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+
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+ bool adding_preview = false;
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+ ImGui::InvisibleButton("canvas", canvas_size);
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+ ImVec2 mouse_pos_in_canvas = ImVec2(ImGui::GetIO().MousePos.x - canvas_pos.x, ImGui::GetIO().MousePos.y - canvas_pos.y);
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+ if (adding_line)
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{
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+ adding_preview = true;
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points.push_back(mouse_pos_in_canvas);
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- adding_line = true;
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+ if (!ImGui::IsMouseDown(0))
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+ adding_line = adding_preview = false;
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}
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- if (ImGui::IsMouseClicked(1) && !points.empty())
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+ if (ImGui::IsItemHovered())
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{
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- adding_line = adding_preview = false;
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- points.pop_back();
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- points.pop_back();
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+ if (!adding_line && ImGui::IsMouseClicked(0))
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+ {
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+ points.push_back(mouse_pos_in_canvas);
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+ adding_line = true;
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+ }
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+ if (ImGui::IsMouseClicked(1) && !points.empty())
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+ {
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+ adding_line = adding_preview = false;
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+ points.pop_back();
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+ points.pop_back();
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+ }
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}
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+ draw_list->PushClipRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), true); // clip lines within the canvas (if we resize it, etc.)
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+ for (int i = 0; i < points.Size - 1; i += 2)
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+ draw_list->AddLine(ImVec2(canvas_pos.x + points[i].x, canvas_pos.y + points[i].y), ImVec2(canvas_pos.x + points[i + 1].x, canvas_pos.y + points[i + 1].y), IM_COL32(255, 255, 0, 255), 2.0f);
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+ draw_list->PopClipRect();
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+ if (adding_preview)
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+ points.pop_back();
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+ ImGui::EndTabItem();
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}
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- draw_list->PushClipRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), true); // clip lines within the canvas (if we resize it, etc.)
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- for (int i = 0; i < points.Size - 1; i += 2)
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- draw_list->AddLine(ImVec2(canvas_pos.x + points[i].x, canvas_pos.y + points[i].y), ImVec2(canvas_pos.x + points[i + 1].x, canvas_pos.y + points[i + 1].y), IM_COL32(255, 255, 0, 255), 2.0f);
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- draw_list->PopClipRect();
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- if (adding_preview)
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- points.pop_back();
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+
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+ if (ImGui::BeginTabItem("BG/FG draw lists"))
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+ {
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+ static bool draw_bg = true;
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+ static bool draw_fg = true;
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+ ImGui::Checkbox("Draw in Background draw list", &draw_bg);
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+ ImGui::Checkbox("Draw in Foreground draw list", &draw_fg);
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+ ImVec2 window_pos = ImGui::GetWindowPos();
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+ ImVec2 window_size = ImGui::GetWindowSize();
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+ ImVec2 window_center = ImVec2(window_pos.x + window_size.x * 0.5f, window_pos.y + window_size.y * 0.5f);
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+ if (draw_bg)
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+ ImGui::GetBackgroundDrawList()->AddCircle(window_center, window_size.x * 0.6f, IM_COL32(255, 0, 0, 200), 32, 10);
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+ if (draw_fg)
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+ ImGui::GetForegroundDrawList()->AddCircle(window_center, window_size.y * 0.6f, IM_COL32(0, 255, 0, 200), 32, 10);
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+ ImGui::EndTabItem();
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+ }
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+
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+ ImGui::EndTabBar();
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}
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+
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ImGui::End();
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}
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Бранимир Караџић