From 94e794f81be1bd31c843b4fa94f5235e6e97e366 Mon Sep 17 00:00:00 2001 From: omar Date: Mon, 4 Mar 2019 16:20:32 +0100 Subject: [PATCH] Renamed GetOverlayDrawList() to GetForegroundDrawList() for consistency. Kept redirection function (will obsolete). (#2391) Demo: Using GetBackgroundDrawList() and GetForegroundDrawList() in "Custom Rendering" demo. --- docs/CHANGELOG.txt | 4 +- imgui.cpp | 75 +++++++++--------- imgui.h | 4 +- imgui_demo.cpp | 188 +++++++++++++++++++++++++-------------------- imgui_internal.h | 10 +-- imgui_widgets.cpp | 2 +- 6 files changed, 158 insertions(+), 125 deletions(-) diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index 69607949..1062c86e 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -38,10 +38,11 @@ Breaking Changes: - Renamed ColorEdit/ColorPicker's ImGuiColorEditFlags_RGB/_HSV/_HEX flags to respectively ImGuiColorEditFlags_DisplayRGB/_DisplayHSV/_DisplayHex. This is anticipation of adding new flags to ColorEdit/ColorPicker functions which would make those ambiguous. (#2384) [@haldean] +- Renamed GetOverlayDrawList() to GetForegroundDrawList(). Kept redirection function (will obsolete). (#2391) Other Changes: -- Added GetBackgroundDrawList() helper to quickly get access to a ImDrawList that will be rendered +- Added GetBackgroundDrawList() helper to quickly get access to a ImDrawList that will be rendered behind every other windows. (#2391) - Nav: Fixed a tap on AltGR (e.g. German keyboard) from navigating to the menu layer. - DragScalar, InputScalar, SliderScalar: Added support for u8/s8/u16/s16 data types. @@ -68,6 +69,7 @@ Other Changes: tree depth instead of a relative one. - Log/Capture: Fixed CollapsingHeader trailing ascii representation being "#" instead of "##". - Misc: Asserting in NewFrame() if style.WindowMinSize is zero or smaller than (1.0f,1.0f). +- Demo: Using GetBackgroundDrawList() and GetForegroundDrawList() in "Custom Rendering" demo. - Examples: OpenGL: Fix to be able to run on ES 2.0 / WebGL 1.0. [@rmitton, @gabrielcuvillier] - Examples: OpenGL: Fix for OSX not supporting OpenGL 4.5, we don't try to read GL_CLIP_ORIGIN even if the OpenGL headers/loader happens to define the value. (#2366, #2186) diff --git a/imgui.cpp b/imgui.cpp index fea25c02..099c9178 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -364,6 +364,7 @@ CODE When you are not sure about a old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all imgui files. You can read releases logs https://github.com/ocornut/imgui/releases for more details. + - 2019/03/04 (1.69) - renamed GetOverlayDrawList() to GetForegroundDrawList(). Kept redirection function (will obsolete). - 2019/02/26 (1.69) - renamed ImGuiColorEditFlags_RGB/ImGuiColorEditFlags_HSV/ImGuiColorEditFlags_HEX to ImGuiColorEditFlags_DisplayRGB/ImGuiColorEditFlags_DisplayHSV/ImGuiColorEditFlags_DisplayHex. Kept redirection enums (will obsolete). - 2019/02/14 (1.68) - made it illegal/assert when io.DisplayTime == 0.0f (with an exception for the first frame). If for some reason your time step calculation gives you a zero value, replace it with a dummy small value! - 2019/02/01 (1.68) - removed io.DisplayVisibleMin/DisplayVisibleMax (which were marked obsolete and removed from viewport/docking branch already). @@ -874,8 +875,8 @@ CODE A: - You can create a dummy window. Call Begin() with the NoBackground | NoDecoration | NoSavedSettings | NoInputs flags. (The ImGuiWindowFlags_NoDecoration flag itself is a shortcut for NoTitleBar | NoResize | NoScrollbar | NoCollapse) Then you can retrieve the ImDrawList* via GetWindowDrawList() and draw to it in any way you like. - - You can call ImGui::GetBackgroundDrawList() or ImGui::GetOverlayDrawList() and use those draw list to display contents - behind or over every other imgui windows. + - You can call ImGui::GetBackgroundDrawList() or ImGui::GetForegroundDrawList() and use those draw list to display + contents behind or over every other imgui windows. - You can create your own ImDrawList instance. You'll need to initialize them ImGui::GetDrawListSharedData(), or create your own ImDrawListSharedData, and then call your rendered code with your own ImDrawList or ImDrawData data. @@ -3073,15 +3074,15 @@ ImDrawList* ImGui::GetBackgroundDrawList() return &GImGui->BackgroundDrawList; } -static ImDrawList* GetOverlayDrawList(ImGuiWindow*) +static ImDrawList* GetForegroundDrawList(ImGuiWindow*) { // This seemingly unnecessary wrapper simplifies compatibility between the 'master' and 'docking' branches. - return &GImGui->OverlayDrawList; + return &GImGui->ForegroundDrawList; } -ImDrawList* ImGui::GetOverlayDrawList() +ImDrawList* ImGui::GetForegroundDrawList() { - return &GImGui->OverlayDrawList; + return &GImGui->ForegroundDrawList; } ImDrawListSharedData* ImGui::GetDrawListSharedData() @@ -3433,10 +3434,10 @@ void ImGui::NewFrame() g.BackgroundDrawList.PushClipRectFullScreen(); g.BackgroundDrawList.Flags = (g.Style.AntiAliasedLines ? ImDrawListFlags_AntiAliasedLines : 0) | (g.Style.AntiAliasedFill ? ImDrawListFlags_AntiAliasedFill : 0); - g.OverlayDrawList.Clear(); - g.OverlayDrawList.PushTextureID(g.IO.Fonts->TexID); - g.OverlayDrawList.PushClipRectFullScreen(); - g.OverlayDrawList.Flags = (g.Style.AntiAliasedLines ? ImDrawListFlags_AntiAliasedLines : 0) | (g.Style.AntiAliasedFill ? ImDrawListFlags_AntiAliasedFill : 0); + g.ForegroundDrawList.Clear(); + g.ForegroundDrawList.PushTextureID(g.IO.Fonts->TexID); + g.ForegroundDrawList.PushClipRectFullScreen(); + g.ForegroundDrawList.Flags = (g.Style.AntiAliasedLines ? ImDrawListFlags_AntiAliasedLines : 0) | (g.Style.AntiAliasedFill ? ImDrawListFlags_AntiAliasedFill : 0); // Mark rendering data as invalid to prevent user who may have a handle on it to use it. g.DrawData.Clear(); @@ -3615,7 +3616,7 @@ void ImGui::Shutdown(ImGuiContext* context) g.BeginPopupStack.clear(); g.DrawDataBuilder.ClearFreeMemory(); g.BackgroundDrawList.ClearFreeMemory(); - g.OverlayDrawList.ClearFreeMemory(); + g.ForegroundDrawList.ClearFreeMemory(); g.PrivateClipboard.clear(); g.InputTextState.ClearFreeMemory(); @@ -3891,10 +3892,10 @@ void ImGui::Render() // Draw software mouse cursor if requested if (g.IO.MouseDrawCursor) - RenderMouseCursor(&g.OverlayDrawList, g.IO.MousePos, g.Style.MouseCursorScale, g.MouseCursor); + RenderMouseCursor(&g.ForegroundDrawList, g.IO.MousePos, g.Style.MouseCursorScale, g.MouseCursor); - if (!g.OverlayDrawList.VtxBuffer.empty()) - AddDrawListToDrawData(&g.DrawDataBuilder.Layers[0], &g.OverlayDrawList); + if (!g.ForegroundDrawList.VtxBuffer.empty()) + AddDrawListToDrawData(&g.DrawDataBuilder.Layers[0], &g.ForegroundDrawList); // Setup ImDrawData structure for end-user SetupDrawData(&g.DrawDataBuilder.Layers[0], &g.DrawData); @@ -4739,7 +4740,7 @@ static void ImGui::UpdateManualResize(ImGuiWindow* window, const ImVec2& size_au if (resize_rect.Min.y > resize_rect.Max.y) ImSwap(resize_rect.Min.y, resize_rect.Max.y); bool hovered, held; ButtonBehavior(resize_rect, window->GetID((void*)(intptr_t)resize_grip_n), &hovered, &held, ImGuiButtonFlags_FlattenChildren | ImGuiButtonFlags_NoNavFocus); - //GetOverlayDrawList(window)->AddRect(resize_rect.Min, resize_rect.Max, IM_COL32(255, 255, 0, 255)); + //GetForegroundDrawList(window)->AddRect(resize_rect.Min, resize_rect.Max, IM_COL32(255, 255, 0, 255)); if (hovered || held) g.MouseCursor = (resize_grip_n & 1) ? ImGuiMouseCursor_ResizeNESW : ImGuiMouseCursor_ResizeNWSE; @@ -4764,7 +4765,7 @@ static void ImGui::UpdateManualResize(ImGuiWindow* window, const ImVec2& size_au bool hovered, held; ImRect border_rect = GetResizeBorderRect(window, border_n, grip_hover_inner_size, WINDOWS_RESIZE_FROM_EDGES_HALF_THICKNESS); ButtonBehavior(border_rect, window->GetID((void*)(intptr_t)(border_n + 4)), &hovered, &held, ImGuiButtonFlags_FlattenChildren); - //GetOverlayDrawList(window)->AddRect(border_rect.Min, border_rect.Max, IM_COL32(255, 255, 0, 255)); + //GetForegroundDrawLists(window)->AddRect(border_rect.Min, border_rect.Max, IM_COL32(255, 255, 0, 255)); if ((hovered && g.HoveredIdTimer > WINDOWS_RESIZE_FROM_EDGES_FEEDBACK_TIMER) || held) { g.MouseCursor = (border_n & 1) ? ImGuiMouseCursor_ResizeEW : ImGuiMouseCursor_ResizeNS; @@ -7037,8 +7038,8 @@ ImRect ImGui::GetWindowAllowedExtentRect(ImGuiWindow*) ImVec2 ImGui::FindBestWindowPosForPopupEx(const ImVec2& ref_pos, const ImVec2& size, ImGuiDir* last_dir, const ImRect& r_outer, const ImRect& r_avoid, ImGuiPopupPositionPolicy policy) { ImVec2 base_pos_clamped = ImClamp(ref_pos, r_outer.Min, r_outer.Max - size); - //GImGui->OverlayDrawList.AddRect(r_avoid.Min, r_avoid.Max, IM_COL32(255,0,0,255)); - //GImGui->OverlayDrawList.AddRect(r_outer.Min, r_outer.Max, IM_COL32(0,255,0,255)); + //GetForegroundDrawList()->AddRect(r_avoid.Min, r_avoid.Max, IM_COL32(255,0,0,255)); + //GetForegroundDrawList()->AddRect(r_outer.Min, r_outer.Max, IM_COL32(0,255,0,255)); // Combo Box policy (we want a connecting edge) if (policy == ImGuiPopupPositionPolicy_ComboBox) @@ -7237,7 +7238,7 @@ static bool NavScoreItem(ImGuiNavMoveResult* result, ImRect cand) if (ImGui::IsMouseHoveringRect(cand.Min, cand.Max)) { ImFormatString(buf, IM_ARRAYSIZE(buf), "dbox (%.2f,%.2f->%.4f)\ndcen (%.2f,%.2f->%.4f)\nd (%.2f,%.2f->%.4f)\nnav %c, quadrant %c", dbx, dby, dist_box, dcx, dcy, dist_center, dax, day, dist_axial, "WENS"[g.NavMoveDir], "WENS"[quadrant]); - ImDrawList* draw_list = ImGui::GetOverlayDrawList(window); + ImDrawList* draw_list = ImGui::GetForegroundDrawList(window); draw_list->AddRect(curr.Min, curr.Max, IM_COL32(255,200,0,100)); draw_list->AddRect(cand.Min, cand.Max, IM_COL32(255,255,0,200)); draw_list->AddRectFilled(cand.Max-ImVec2(4,4), cand.Max+ImGui::CalcTextSize(buf)+ImVec2(4,4), IM_COL32(40,0,0,150)); @@ -7249,7 +7250,7 @@ static bool NavScoreItem(ImGuiNavMoveResult* result, ImRect cand) if (quadrant == g.NavMoveDir) { ImFormatString(buf, IM_ARRAYSIZE(buf), "%.0f/%.0f", dist_box, dist_center); - ImDrawList* draw_list = ImGui::GetOverlayDrawList(window); + ImDrawList* draw_list = ImGui::GetForegroundDrawList(window); draw_list->AddRectFilled(cand.Min, cand.Max, IM_COL32(255, 0, 0, 200)); draw_list->AddText(g.IO.FontDefault, 13.0f, cand.Min, IM_COL32(255, 255, 255, 255), buf); } @@ -7555,7 +7556,7 @@ ImVec2 ImGui::GetNavInputAmount2d(ImGuiNavDirSourceFlags dir_sources, ImGuiInput static void NavScrollToBringItemIntoView(ImGuiWindow* window, const ImRect& item_rect) { ImRect window_rect(window->InnerMainRect.Min - ImVec2(1, 1), window->InnerMainRect.Max + ImVec2(1, 1)); - //GetOverlayDrawList(window)->AddRect(window_rect.Min, window_rect.Max, IM_COL32_WHITE); // [DEBUG] + //GetForegroundDrawList(window)->AddRect(window_rect.Min, window_rect.Max, IM_COL32_WHITE); // [DEBUG] if (window_rect.Contains(item_rect)) return; @@ -7845,11 +7846,15 @@ static void ImGui::NavUpdate() g.NavScoringRectScreen.Min.x = ImMin(g.NavScoringRectScreen.Min.x + 1.0f, g.NavScoringRectScreen.Max.x); g.NavScoringRectScreen.Max.x = g.NavScoringRectScreen.Min.x; IM_ASSERT(!g.NavScoringRectScreen.IsInverted()); // Ensure if we have a finite, non-inverted bounding box here will allows us to remove extraneous ImFabs() calls in NavScoreItem(). - //g.OverlayDrawList.AddRect(g.NavScoringRectScreen.Min, g.NavScoringRectScreen.Max, IM_COL32(255,200,0,255)); // [DEBUG] + //GetForegroundDrawList()->AddRect(g.NavScoringRectScreen.Min, g.NavScoringRectScreen.Max, IM_COL32(255,200,0,255)); // [DEBUG] g.NavScoringCount = 0; #if IMGUI_DEBUG_NAV_RECTS - if (g.NavWindow) { for (int layer = 0; layer < 2; layer++) GetOverlayDrawList(g.NavWindow)->AddRect(g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Min, g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Max, IM_COL32(255,200,0,255)); } // [DEBUG] - if (g.NavWindow) { ImU32 col = (!g.NavWindow->Hidden) ? IM_COL32(255,0,255,255) : IM_COL32(255,0,0,255); ImVec2 p = NavCalcPreferredRefPos(); char buf[32]; ImFormatString(buf, 32, "%d", g.NavLayer); GetOverlayDrawList(g.NavWindow)->AddCircleFilled(p, 3.0f, col); GetOverlayDrawList(g.NavWindow)->AddText(NULL, 13.0f, p + ImVec2(8,-4), col, buf); } + if (g.NavWindow) + { + ImDrawList* draw_list = GetForegroundDrawList(g.NavWindow); + if (1) { for (int layer = 0; layer < 2; layer++) draw_list->AddRect(g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Min, g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Max, IM_COL32(255,200,0,255)); } // [DEBUG] + if (1) { ImU32 col = (!g.NavWindow->Hidden) ? IM_COL32(255,0,255,255) : IM_COL32(255,0,0,255); ImVec2 p = NavCalcPreferredRefPos(); char buf[32]; ImFormatString(buf, 32, "%d", g.NavLayer); draw_list->AddCircleFilled(p, 3.0f, col); draw_list->AddText(NULL, 13.0f, p + ImVec2(8,-4), col, buf); } + } #endif } @@ -9356,9 +9361,9 @@ void ImGui::ShowMetricsWindow(bool* p_open) return; } - ImDrawList* overlay_draw_list = GetOverlayDrawList(window); // Render additional visuals into the top-most draw list + ImDrawList* fg_draw_list = GetForegroundDrawList(window); // Render additional visuals into the top-most draw list if (window && IsItemHovered()) - overlay_draw_list->AddRect(window->Pos, window->Pos + window->Size, IM_COL32(255, 255, 0, 255)); + fg_draw_list->AddRect(window->Pos, window->Pos + window->Size, IM_COL32(255, 255, 0, 255)); if (!node_open) return; @@ -9380,8 +9385,8 @@ void ImGui::ShowMetricsWindow(bool* p_open) ImRect vtxs_rect; for (int i = elem_offset; i < elem_offset + (int)pcmd->ElemCount; i++) vtxs_rect.Add(draw_list->VtxBuffer[idx_buffer ? idx_buffer[i] : i].pos); - clip_rect.Floor(); overlay_draw_list->AddRect(clip_rect.Min, clip_rect.Max, IM_COL32(255,255,0,255)); - vtxs_rect.Floor(); overlay_draw_list->AddRect(vtxs_rect.Min, vtxs_rect.Max, IM_COL32(255,0,255,255)); + clip_rect.Floor(); fg_draw_list->AddRect(clip_rect.Min, clip_rect.Max, IM_COL32(255,255,0,255)); + vtxs_rect.Floor(); fg_draw_list->AddRect(vtxs_rect.Min, vtxs_rect.Max, IM_COL32(255,0,255,255)); } if (!pcmd_node_open) continue; @@ -9405,10 +9410,10 @@ void ImGui::ShowMetricsWindow(bool* p_open) ImGui::Selectable(buf, false); if (ImGui::IsItemHovered()) { - ImDrawListFlags backup_flags = overlay_draw_list->Flags; - overlay_draw_list->Flags &= ~ImDrawListFlags_AntiAliasedLines; // Disable AA on triangle outlines at is more readable for very large and thin triangles. - overlay_draw_list->AddPolyline(triangles_pos, 3, IM_COL32(255,255,0,255), true, 1.0f); - overlay_draw_list->Flags = backup_flags; + ImDrawListFlags backup_flags = fg_draw_list->Flags; + fg_draw_list->Flags &= ~ImDrawListFlags_AntiAliasedLines; // Disable AA on triangle outlines at is more readable for very large and thin triangles. + fg_draw_list->AddPolyline(triangles_pos, 3, IM_COL32(255,255,0,255), true, 1.0f); + fg_draw_list->Flags = backup_flags; } } ImGui::TreePop(); @@ -9545,9 +9550,9 @@ void ImGui::ShowMetricsWindow(bool* p_open) char buf[32]; ImFormatString(buf, IM_ARRAYSIZE(buf), "%d", window->BeginOrderWithinContext); float font_size = ImGui::GetFontSize() * 2; - ImDrawList* overlay_draw_list = GetOverlayDrawList(window); - overlay_draw_list->AddRectFilled(window->Pos, window->Pos + ImVec2(font_size, font_size), IM_COL32(200, 100, 100, 255)); - overlay_draw_list->AddText(NULL, font_size, window->Pos, IM_COL32(255, 255, 255, 255), buf); + ImDrawList* fg_draw_list = GetForegroundDrawList(window); + fg_draw_list->AddRectFilled(window->Pos, window->Pos + ImVec2(font_size, font_size), IM_COL32(200, 100, 100, 255)); + fg_draw_list->AddText(NULL, font_size, window->Pos, IM_COL32(255, 255, 255, 255), buf); } } ImGui::End(); diff --git a/imgui.h b/imgui.h index bcc6fe09..eeb9b81d 100644 --- a/imgui.h +++ b/imgui.h @@ -628,7 +628,7 @@ namespace ImGui IMGUI_API double GetTime(); // get global imgui time. incremented by io.DeltaTime every frame. IMGUI_API int GetFrameCount(); // get global imgui frame count. incremented by 1 every frame. IMGUI_API ImDrawList* GetBackgroundDrawList(); // this draw list will be the first rendering one. Useful to quickly draw shapes/text behind dear imgui contents. - IMGUI_API ImDrawList* GetOverlayDrawList(); // this draw list will be the last rendered one. Useful to quickly draw shapes/text over dear imgui contents. + IMGUI_API ImDrawList* GetForegroundDrawList(); // this draw list will be the last rendered one. Useful to quickly draw shapes/text over dear imgui contents. IMGUI_API ImDrawListSharedData* GetDrawListSharedData(); // you may use this when creating your own ImDrawList instances. IMGUI_API const char* GetStyleColorName(ImGuiCol idx); // get a string corresponding to the enum value (for display, saving, etc.). IMGUI_API void SetStateStorage(ImGuiStorage* storage); // replace current window storage with our own (if you want to manipulate it yourself, typically clear subsection of it) @@ -1500,6 +1500,8 @@ struct ImGuiPayload #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS namespace ImGui { + // OBSOLETED in 1.69 (from Mar 2019) + static inline ImDrawList* GetOverlayDrawList() { return GetForegroundDrawList(); } // OBSOLETED in 1.66 (from Sep 2018) static inline void SetScrollHere(float center_ratio=0.5f){ SetScrollHereY(center_ratio); } // OBSOLETED in 1.63 (between Aug 2018 and Sept 2018) diff --git a/imgui_demo.cpp b/imgui_demo.cpp index 9ef8fa64..080d92bd 100644 --- a/imgui_demo.cpp +++ b/imgui_demo.cpp @@ -3974,97 +3974,121 @@ static void ShowExampleAppCustomRendering(bool* p_open) // In this example we are not using the maths operators! ImDrawList* draw_list = ImGui::GetWindowDrawList(); - // Primitives - ImGui::Text("Primitives"); - static float sz = 36.0f; - static float thickness = 4.0f; - static ImVec4 col = ImVec4(1.0f, 1.0f, 0.4f, 1.0f); - ImGui::DragFloat("Size", &sz, 0.2f, 2.0f, 72.0f, "%.0f"); - ImGui::DragFloat("Thickness", &thickness, 0.05f, 1.0f, 8.0f, "%.02f"); - ImGui::ColorEdit4("Color", &col.x); + if (ImGui::BeginTabBar("##TabBar")) { - const ImVec2 p = ImGui::GetCursorScreenPos(); - const ImU32 col32 = ImColor(col); - float x = p.x + 4.0f, y = p.y + 4.0f, spacing = 8.0f; - for (int n = 0; n < 2; n++) + // Primitives + if (ImGui::BeginTabItem("Primitives")) { - // First line uses a thickness of 1.0, second line uses the configurable thickness - float th = (n == 0) ? 1.0f : thickness; - draw_list->AddCircle(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 6, th); x += sz+spacing; // Hexagon - draw_list->AddCircle(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 20, th); x += sz+spacing; // Circle - draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 0.0f, ImDrawCornerFlags_All, th); x += sz+spacing; - draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ImDrawCornerFlags_All, th); x += sz+spacing; - draw_list->AddRect(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ImDrawCornerFlags_TopLeft|ImDrawCornerFlags_BotRight, th); x += sz+spacing; - 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; - 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!) - draw_list->AddLine(ImVec2(x, y), ImVec2(x, y+sz), col32, th); x += spacing; // Vertical line (note: drawing a filled rectangle will be faster!) - draw_list->AddLine(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, th); x += sz+spacing; // Diagonal line - 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); - x = p.x + 4; - y += sz+spacing; - } - draw_list->AddCircleFilled(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 6); x += sz+spacing; // Hexagon - draw_list->AddCircleFilled(ImVec2(x+sz*0.5f, y+sz*0.5f), sz*0.5f, col32, 32); x += sz+spacing; // Circle - draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32); x += sz+spacing; - draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f); x += sz+spacing; - draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+sz, y+sz), col32, 10.0f, ImDrawCornerFlags_TopLeft|ImDrawCornerFlags_BotRight); x += sz+spacing; - 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; - 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) - 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) - draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x+1, y+1), col32); 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)*8, (sz+spacing)*3)); - } - ImGui::Separator(); - { - static ImVector points; - static bool adding_line = false; - ImGui::Text("Canvas example"); - if (ImGui::Button("Clear")) points.clear(); - if (points.Size >= 2) { ImGui::SameLine(); if (ImGui::Button("Undo")) { points.pop_back(); points.pop_back(); } } - ImGui::Text("Left-click and drag to add lines,\nRight-click to undo"); - - // Here we are using InvisibleButton() as a convenience to 1) advance the cursor and 2) allows us to use IsItemHovered() - // But you can also draw directly and poll mouse/keyboard by yourself. You can manipulate the cursor using GetCursorPos() and SetCursorPos(). - // If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max). - ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates! - ImVec2 canvas_size = ImGui::GetContentRegionAvail(); // Resize canvas to what's available - if (canvas_size.x < 50.0f) canvas_size.x = 50.0f; - if (canvas_size.y < 50.0f) canvas_size.y = 50.0f; - 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)); - draw_list->AddRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(255, 255, 255, 255)); - - bool adding_preview = false; - ImGui::InvisibleButton("canvas", canvas_size); - ImVec2 mouse_pos_in_canvas = ImVec2(ImGui::GetIO().MousePos.x - canvas_pos.x, ImGui::GetIO().MousePos.y - canvas_pos.y); - if (adding_line) - { - adding_preview = true; - points.push_back(mouse_pos_in_canvas); - if (!ImGui::IsMouseDown(0)) - adding_line = adding_preview = false; - } - if (ImGui::IsItemHovered()) - { - if (!adding_line && ImGui::IsMouseClicked(0)) + static float sz = 36.0f; + static float thickness = 4.0f; + static ImVec4 col = ImVec4(1.0f, 1.0f, 0.4f, 1.0f); + ImGui::DragFloat("Size", &sz, 0.2f, 2.0f, 72.0f, "%.0f"); + ImGui::DragFloat("Thickness", &thickness, 0.05f, 1.0f, 8.0f, "%.02f"); + ImGui::ColorEdit4("Color", &col.x); + const ImVec2 p = ImGui::GetCursorScreenPos(); + const ImU32 col32 = ImColor(col); + float x = p.x + 4.0f, y = p.y + 4.0f, spacing = 8.0f; + for (int n = 0; n < 2; n++) { + // First line uses a thickness of 1.0, second line uses the configurable thickness + float th = (n == 0) ? 1.0f : thickness; + draw_list->AddCircle(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 6, th); x += sz + spacing; // Hexagon + draw_list->AddCircle(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 20, th); x += sz + spacing; // Circle + draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 0.0f, ImDrawCornerFlags_All, th); x += sz + spacing; + draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f, ImDrawCornerFlags_All, th); x += sz + spacing; + draw_list->AddRect(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f, ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotRight, th); x += sz + spacing; + 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; + 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!) + draw_list->AddLine(ImVec2(x, y), ImVec2(x, y + sz), col32, th); x += spacing; // Vertical line (note: drawing a filled rectangle will be faster!) + draw_list->AddLine(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, th); x += sz + spacing; // Diagonal line + 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); + x = p.x + 4; + y += sz + spacing; + } + draw_list->AddCircleFilled(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 6); x += sz + spacing; // Hexagon + draw_list->AddCircleFilled(ImVec2(x + sz*0.5f, y + sz*0.5f), sz*0.5f, col32, 32); x += sz + spacing; // Circle + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col32); x += sz + spacing; + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f); x += sz + spacing; + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + sz, y + sz), col32, 10.0f, ImDrawCornerFlags_TopLeft | ImDrawCornerFlags_BotRight); x += sz + spacing; + 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; + 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) + 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) + draw_list->AddRectFilled(ImVec2(x, y), ImVec2(x + 1, y + 1), col32); 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) * 8, (sz + spacing) * 3)); + ImGui::EndTabItem(); + } + + if (ImGui::BeginTabItem("Canvas")) + { + static ImVector points; + static bool adding_line = false; + if (ImGui::Button("Clear")) points.clear(); + if (points.Size >= 2) { ImGui::SameLine(); if (ImGui::Button("Undo")) { points.pop_back(); points.pop_back(); } } + ImGui::Text("Left-click and drag to add lines,\nRight-click to undo"); + + // Here we are using InvisibleButton() as a convenience to 1) advance the cursor and 2) allows us to use IsItemHovered() + // But you can also draw directly and poll mouse/keyboard by yourself. You can manipulate the cursor using GetCursorPos() and SetCursorPos(). + // If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max). + ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates! + ImVec2 canvas_size = ImGui::GetContentRegionAvail(); // Resize canvas to what's available + if (canvas_size.x < 50.0f) canvas_size.x = 50.0f; + if (canvas_size.y < 50.0f) canvas_size.y = 50.0f; + 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)); + draw_list->AddRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), IM_COL32(255, 255, 255, 255)); + + bool adding_preview = false; + ImGui::InvisibleButton("canvas", canvas_size); + ImVec2 mouse_pos_in_canvas = ImVec2(ImGui::GetIO().MousePos.x - canvas_pos.x, ImGui::GetIO().MousePos.y - canvas_pos.y); + if (adding_line) + { + adding_preview = true; points.push_back(mouse_pos_in_canvas); - adding_line = true; + if (!ImGui::IsMouseDown(0)) + adding_line = adding_preview = false; } - if (ImGui::IsMouseClicked(1) && !points.empty()) + if (ImGui::IsItemHovered()) { - adding_line = adding_preview = false; - points.pop_back(); - points.pop_back(); + if (!adding_line && ImGui::IsMouseClicked(0)) + { + points.push_back(mouse_pos_in_canvas); + adding_line = true; + } + if (ImGui::IsMouseClicked(1) && !points.empty()) + { + adding_line = adding_preview = false; + points.pop_back(); + points.pop_back(); + } } + 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.) + for (int i = 0; i < points.Size - 1; i += 2) + 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); + draw_list->PopClipRect(); + if (adding_preview) + points.pop_back(); + ImGui::EndTabItem(); } - 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.) - for (int i = 0; i < points.Size - 1; i += 2) - 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); - draw_list->PopClipRect(); - if (adding_preview) - points.pop_back(); + + if (ImGui::BeginTabItem("BG/FG draw lists")) + { + static bool draw_bg = true; + static bool draw_fg = true; + ImGui::Checkbox("Draw in Background draw list", &draw_bg); + ImGui::Checkbox("Draw in Foreground draw list", &draw_fg); + ImVec2 window_pos = ImGui::GetWindowPos(); + ImVec2 window_size = ImGui::GetWindowSize(); + ImVec2 window_center = ImVec2(window_pos.x + window_size.x * 0.5f, window_pos.y + window_size.y * 0.5f); + if (draw_bg) + ImGui::GetBackgroundDrawList()->AddCircle(window_center, window_size.x * 0.6f, IM_COL32(255, 0, 0, 200), 32, 10); + if (draw_fg) + ImGui::GetForegroundDrawList()->AddCircle(window_center, window_size.y * 0.6f, IM_COL32(0, 255, 0, 200), 32, 10); + ImGui::EndTabItem(); + } + + ImGui::EndTabBar(); } + ImGui::End(); } diff --git a/imgui_internal.h b/imgui_internal.h index 0929e153..de099c48 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -888,8 +888,8 @@ struct ImGuiContext ImDrawData DrawData; // Main ImDrawData instance to pass render information to the user ImDrawDataBuilder DrawDataBuilder; float DimBgRatio; // 0.0..1.0 animation when fading in a dimming background (for modal window and CTRL+TAB list) - ImDrawList BackgroundDrawList; - ImDrawList OverlayDrawList; // Optional software render of mouse cursors, if io.MouseDrawCursor is set + a few debug overlays + ImDrawList BackgroundDrawList; // First draw list to be rendered. + ImDrawList ForegroundDrawList; // Last draw list to be rendered. This is where we the render software mouse cursor (if io.MouseDrawCursor is set) and most debug overlays. ImGuiMouseCursor MouseCursor; // Drag and Drop @@ -963,7 +963,7 @@ struct ImGuiContext int WantTextInputNextFrame; char TempBuffer[1024*3+1]; // Temporary text buffer - ImGuiContext(ImFontAtlas* shared_font_atlas) : BackgroundDrawList(NULL), OverlayDrawList(NULL) + ImGuiContext(ImFontAtlas* shared_font_atlas) : BackgroundDrawList(NULL), ForegroundDrawList(NULL) { Initialized = false; FrameScopeActive = FrameScopePushedImplicitWindow = false; @@ -1033,8 +1033,8 @@ struct ImGuiContext DimBgRatio = 0.0f; BackgroundDrawList._Data = &DrawListSharedData; BackgroundDrawList._OwnerName = "##Background"; // Give it a name for debugging - OverlayDrawList._Data = &DrawListSharedData; - OverlayDrawList._OwnerName = "##Overlay"; // Give it a name for debugging + ForegroundDrawList._Data = &DrawListSharedData; + ForegroundDrawList._OwnerName = "##Foreground"; // Give it a name for debugging MouseCursor = ImGuiMouseCursor_Arrow; DragDropActive = DragDropWithinSourceOrTarget = false; diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp index dbb98ab3..abdeca0c 100644 --- a/imgui_widgets.cpp +++ b/imgui_widgets.cpp @@ -6635,7 +6635,7 @@ bool ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open, { // Enlarge tab display when hovering bb.Max.x = bb.Min.x + (float)(int)ImLerp(bb.GetWidth(), tab->WidthContents, ImSaturate((g.HoveredIdNotActiveTimer - 0.40f) * 6.0f)); - display_draw_list = GetOverlayDrawList(window); + display_draw_list = GetForegroundDrawList(window); TabItemBackground(display_draw_list, bb, flags, GetColorU32(ImGuiCol_TitleBgActive)); } #endif