mirror of
https://github.com/Drezil/imgui.git
synced 2024-11-22 11:57:00 +00:00
Caching current Font, FontSize into state for quicker/simpler access.
This commit is contained in:
ocornut
parent
e16f2e898a
commit
9d16b85ed2
101
imgui.cpp
101
imgui.cpp
@ -1088,7 +1088,8 @@ struct ImGuiState
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ImGuiIO IO;
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ImGuiStyle Style;
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ImFont* Font; // (Shortcut) == FontStack.empty() ? IO.Font : FontStack.back()
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float FontSize; // (Shortcut) == IO.FontGlobalScale * Font->Scale * Font->FontSize. Size of characters.
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float FontSize; // (Shortcut) == FontBaseSize * g.CurrentWindow->FontWindowScale == window->FontSize()
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float FontBaseSize; // (Shortcut) == IO.FontGlobalScale * Font->Scale * Font->FontSize. Size of characters.
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ImVec2 FontTexUvWhitePixel; // (Shortcut) == Font->TexUvForWhite
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float Time;
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@ -1157,7 +1158,7 @@ struct ImGuiState
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{
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Initialized = false;
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Font = NULL;
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FontSize = 0.0f;
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FontBaseSize = FontSize = 0.0f;
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FontTexUvWhitePixel = ImVec2(0.0f, 0.0f);
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Time = 0.0f;
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@ -1261,10 +1262,8 @@ public:
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void FocusItemUnregister();
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ImRect Rect() const { return ImRect(Pos, Pos+Size); }
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ImFont* Font() const { return GImGui->Font; }
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float FontSize() const { return GImGui->FontSize * FontWindowScale; }
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ImVec2 CursorPos() const { return DC.CursorPos; }
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float TitleBarHeight() const { return (Flags & ImGuiWindowFlags_NoTitleBar) ? 0 : FontSize() + GImGui->Style.FramePadding.y * 2.0f; }
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float CalcFontSize() const { return GImGui->FontBaseSize * FontWindowScale; }
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float TitleBarHeight() const { return (Flags & ImGuiWindowFlags_NoTitleBar) ? 0 : CalcFontSize() + GImGui->Style.FramePadding.y * 2.0f; }
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ImRect TitleBarRect() const { return ImRect(Pos, Pos + ImVec2(SizeFull.x, TitleBarHeight())); }
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ImVec2 WindowPadding() const { return ((Flags & ImGuiWindowFlags_ChildWindow) && !(Flags & ImGuiWindowFlags_ShowBorders)) ? ImVec2(0,0) : GImGui->Style.WindowPadding; }
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ImU32 Color(ImGuiCol idx, float a=1.f) const { ImVec4 c = GImGui->Style.Colors[idx]; c.w *= GImGui->Style.Alpha * a; return ImGui::ColorConvertFloat4ToU32(c); }
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@ -1279,6 +1278,14 @@ static inline ImGuiWindow* GetCurrentWindow()
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return g.CurrentWindow;
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}
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static inline void SetCurrentWindow(ImGuiWindow* window)
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{
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ImGuiState& g = *GImGui;
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g.CurrentWindow = window;
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if (window)
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g.FontSize = window->CalcFontSize();
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}
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static inline ImGuiWindow* GetParentWindow()
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{
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ImGuiState& g = *GImGui;
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@ -1961,6 +1968,7 @@ void ImGui::NewFrame()
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float new_font_scale = ImClamp(window->FontWindowScale + g.IO.MouseWheel * 0.10f, 0.50f, 2.50f);
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float scale = new_font_scale / window->FontWindowScale;
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window->FontWindowScale = new_font_scale;
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g.FontSize = window->CalcFontSize();
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const ImVec2 offset = window->Size * (1.0f - scale) * (g.IO.MousePos - window->Pos) / window->Size;
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window->Pos += offset;
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@ -1975,7 +1983,7 @@ void ImGui::NewFrame()
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if (!(window->Flags & ImGuiWindowFlags_NoScrollWithMouse))
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{
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const int scroll_lines = (window->Flags & ImGuiWindowFlags_ComboBox) ? 3 : 5;
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window->NextScrollY -= g.IO.MouseWheel * window->FontSize() * scroll_lines;
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window->NextScrollY -= g.IO.MouseWheel * g.FontSize * scroll_lines;
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}
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}
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}
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@ -2351,7 +2359,7 @@ static void RenderText(ImVec2 pos, const char* text, const char* text_end, bool
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if (text_len > 0)
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{
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// Render
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window->DrawList->AddText(window->Font(), window->FontSize(), pos, window->Color(ImGuiCol_Text), text, text_display_end);
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window->DrawList->AddText(g.Font, g.FontSize, pos, window->Color(ImGuiCol_Text), text, text_display_end);
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// Log as text
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if (g.LogEnabled)
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@ -2371,7 +2379,7 @@ static void RenderTextWrapped(ImVec2 pos, const char* text, const char* text_end
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if (text_len > 0)
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{
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// Render
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window->DrawList->AddText(window->Font(), window->FontSize(), pos, window->Color(ImGuiCol_Text), text, text_end, wrap_width);
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window->DrawList->AddText(g.Font, g.FontSize, pos, window->Color(ImGuiCol_Text), text, text_end, wrap_width);
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// Log as text
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if (g.LogEnabled)
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@ -2395,7 +2403,7 @@ static void RenderTextClipped(ImVec2 pos, const char* text, const char* text_end
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const bool need_clipping = (pos.x + text_size.x >= clip_max.x) || (pos.y + text_size.y >= clip_max.y);
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// Render
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window->DrawList->AddText(window->Font(), window->FontSize(), pos, window->Color(ImGuiCol_Text), text, text_display_end, 0.0f, need_clipping ? &clip_max : NULL);
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window->DrawList->AddText(g.Font, g.FontSize, pos, window->Color(ImGuiCol_Text), text, text_display_end, 0.0f, need_clipping ? &clip_max : NULL);
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// Log as text
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if (g.LogEnabled)
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@ -2420,9 +2428,10 @@ static void RenderFrame(ImVec2 p_min, ImVec2 p_max, ImU32 fill_col, bool border,
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// Render a triangle to denote expanded/collapsed state
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static void RenderCollapseTriangle(ImVec2 p_min, bool opened, float scale, bool shadow)
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{
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ImGuiState& g = *GImGui;
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ImGuiWindow* window = GetCurrentWindow();
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const float h = window->FontSize() * 1.00f;
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const float h = g.FontSize * 1.00f;
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const float r = h * 0.40f * scale;
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ImVec2 center = p_min + ImVec2(h*0.50f, h*0.50f*scale);
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@ -2450,7 +2459,7 @@ static void RenderCollapseTriangle(ImVec2 p_min, bool opened, float scale, bool
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// CalcTextSize("") should return ImVec2(0.0f, GImGui->FontSize)
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ImVec2 ImGui::CalcTextSize(const char* text, const char* text_end, bool hide_text_after_double_hash, float wrap_width)
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{
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ImGuiWindow* window = GetCurrentWindow();
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ImGuiState& g = *GImGui;
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const char* text_display_end;
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if (hide_text_after_double_hash)
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@ -2458,8 +2467,8 @@ ImVec2 ImGui::CalcTextSize(const char* text, const char* text_end, bool hide_tex
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else
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text_display_end = text_end;
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ImFont* font = window->Font();
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const float font_size = window->FontSize();
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ImFont* font = g.Font;
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const float font_size = g.FontSize;
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ImVec2 text_size = font->CalcTextSizeA(font_size, FLT_MAX, wrap_width, text, text_display_end, NULL);
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// Cancel out character spacing for the last character of a line (it is baked into glyph->XAdvance field)
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@ -2963,7 +2972,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
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// Add to stack
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g.CurrentWindowStack.push_back(window);
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g.CurrentWindow = window;
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SetCurrentWindow(window);
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// Process SetNextWindow***() calls
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bool window_pos_set_by_api = false;
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@ -3331,7 +3340,7 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
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if (!(window->Flags & ImGuiWindowFlags_NoCollapse))
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{
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RenderCollapseTriangle(window->Pos + style.FramePadding, !window->Collapsed, 1.0f, true);
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text_min.x += window->FontSize() + style.ItemInnerSpacing.x;
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text_min.x += g.FontSize + style.ItemInnerSpacing.x;
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}
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const ImVec2 text_size = CalcTextSize(name, NULL, true);
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@ -3418,7 +3427,7 @@ void ImGui::End()
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// Pop
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// NB: we don't clear 'window->RootWindow'. The pointer is allowed to live until the next call to Begin().
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g.CurrentWindowStack.pop_back();
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g.CurrentWindow = g.CurrentWindowStack.empty() ? NULL : g.CurrentWindowStack.back();
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SetCurrentWindow(g.CurrentWindowStack.empty() ? NULL : g.CurrentWindowStack.back());
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}
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// Vertical scrollbar
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@ -3549,7 +3558,8 @@ static void SetFont(ImFont* font)
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IM_ASSERT(font && font->IsLoaded());
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IM_ASSERT(font->Scale > 0.0f);
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g.Font = font;
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g.FontSize = g.IO.FontGlobalScale * g.Font->FontSize * g.Font->Scale;
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g.FontBaseSize = g.IO.FontGlobalScale * g.Font->FontSize * g.Font->Scale;
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g.FontSize = g.CurrentWindow ? g.CurrentWindow->CalcFontSize() : 0.0f;
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g.FontTexUvWhitePixel = g.Font->ContainerAtlas->TexUvWhitePixel;
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}
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@ -3948,15 +3958,14 @@ ImVec2 ImGui::GetWindowContentRegionMax()
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float ImGui::GetTextLineHeight()
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{
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ImGuiWindow* window = GetCurrentWindow();
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return window->FontSize();
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ImGuiState& g = *GImGui;
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return g.FontSize;
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}
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float ImGui::GetTextLineHeightWithSpacing()
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{
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ImGuiState& g = *GImGui;
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ImGuiWindow* window = GetCurrentWindow();
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return window->FontSize() + g.Style.ItemSpacing.y;
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return g.FontSize + g.Style.ItemSpacing.y;
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}
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ImDrawList* ImGui::GetWindowDrawList()
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@ -3967,20 +3976,22 @@ ImDrawList* ImGui::GetWindowDrawList()
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ImFont* ImGui::GetWindowFont()
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{
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ImGuiWindow* window = GetCurrentWindow();
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return window->Font();
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ImGuiState& g = *GImGui;
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return g.Font;
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}
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float ImGui::GetWindowFontSize()
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{
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ImGuiWindow* window = GetCurrentWindow();
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return window->FontSize();
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ImGuiState& g = *GImGui;
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return g.FontSize;
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}
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void ImGui::SetWindowFontScale(float scale)
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{
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ImGuiState& g = *GImGui;
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ImGuiWindow* window = GetCurrentWindow();
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window->FontWindowScale = scale;
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g.FontSize = window->CalcFontSize();
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}
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// NB: internally we store CursorPos in absolute screen coordinates because it is more convenient.
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@ -4235,7 +4246,7 @@ void ImGui::AlignFirstTextHeightToWidgets()
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return;
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// Declare a dummy item size to that upcoming items that are smaller will center-align on the newly expanded line height.
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ItemSize(ImVec2(0, window->FontSize() + g.Style.FramePadding.y*2), g.Style.FramePadding.y);
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ItemSize(ImVec2(0, g.FontSize + g.Style.FramePadding.y*2), g.Style.FramePadding.y);
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ImGui::SameLine(0, 0);
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}
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@ -4697,7 +4708,7 @@ bool ImGui::CollapsingHeader(const char* label, const char* str_id, bool display
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}
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// FIXME: we don't provide our width so that it doesn't get feed back into AutoFit. Should manage that better so we can still hover without extending ContentsSize
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const ImRect text_bb(bb.Min, bb.Min + ImVec2(window->FontSize() + style.FramePadding.x*2*2,0) + label_size);
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const ImRect text_bb(bb.Min, bb.Min + ImVec2(g.FontSize + style.FramePadding.x*2*2,0) + label_size);
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ItemSize(ImVec2(text_bb.GetSize().x, bb.GetSize().y), display_frame ? style.FramePadding.y : 0.0f);
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// When logging is enabled, if automatically expand tree nodes (but *NOT* collapsing headers.. seems like sensible behavior).
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@ -4729,7 +4740,7 @@ bool ImGui::CollapsingHeader(const char* label, const char* str_id, bool display
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const char log_prefix[] = "\n##";
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LogText(bb.Min + style.FramePadding, log_prefix, log_prefix+3);
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}
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RenderText(bb.Min + style.FramePadding + ImVec2(window->FontSize() + style.FramePadding.x*2,0), label);
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RenderText(bb.Min + style.FramePadding + ImVec2(g.FontSize + style.FramePadding.x*2,0), label);
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if (g.LogEnabled)
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{
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const char log_suffix[] = "##";
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@ -4741,10 +4752,10 @@ bool ImGui::CollapsingHeader(const char* label, const char* str_id, bool display
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// Unframed typed for tree nodes
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if ((held && hovered) || hovered)
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RenderFrame(bb.Min, bb.Max, col, false);
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RenderCollapseTriangle(bb.Min + ImVec2(style.FramePadding.x, window->FontSize()*0.15f), opened, 0.70f, false);
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RenderCollapseTriangle(bb.Min + ImVec2(style.FramePadding.x, g.FontSize*0.15f), opened, 0.70f, false);
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if (g.LogEnabled)
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LogText(bb.Min, ">");
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RenderText(bb.Min + ImVec2(window->FontSize() + style.FramePadding.x*2,0), label);
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RenderText(bb.Min + ImVec2(g.FontSize + style.FramePadding.x*2,0), label);
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}
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return opened;
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@ -4758,7 +4769,7 @@ void ImGui::Bullet()
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return;
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const ImGuiStyle& style = g.Style;
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const float line_height = window->FontSize();
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const float line_height = g.FontSize;
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const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(line_height, line_height));
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ItemSize(bb);
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if (!ItemAdd(bb, NULL))
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@ -4784,7 +4795,7 @@ void ImGui::BulletTextV(const char* fmt, va_list args)
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const char* text_end = text_begin + ImFormatStringV(g.TempBuffer, IM_ARRAYSIZE(g.TempBuffer), fmt, args);
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const ImGuiStyle& style = g.Style;
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const float line_height = window->FontSize();
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const float line_height = g.FontSize;
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const ImVec2 label_size = CalcTextSize(text_begin, text_end, true);
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const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(line_height + (label_size.x > 0.0f ? (style.FramePadding.x*2) : 0.0f),0) + label_size); // Empty text doesn't add padding
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ItemSize(bb);
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@ -4794,7 +4805,7 @@ void ImGui::BulletTextV(const char* fmt, va_list args)
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// Render
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const float bullet_size = line_height*0.15f;
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window->DrawList->AddCircleFilled(bb.Min + ImVec2(style.FramePadding.x + line_height*0.5f, line_height*0.5f), bullet_size, window->Color(ImGuiCol_Text));
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RenderText(bb.Min+ImVec2(window->FontSize() + style.FramePadding.x*2,0), text_begin, text_end);
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RenderText(bb.Min+ImVec2(g.FontSize + style.FramePadding.x*2,0), text_begin, text_end);
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}
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void ImGui::BulletText(const char* fmt, ...)
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@ -5856,7 +5867,7 @@ bool ImGui::InputFloat(const char* label, float *v, float step, float step_fast,
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ImGui::BeginGroup();
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ImGui::PushID(label);
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const ImVec2 button_sz = ImVec2(window->FontSize(), window->FontSize()) + style.FramePadding * 2;
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const ImVec2 button_sz = ImVec2(g.FontSize, g.FontSize) + style.FramePadding * 2;
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if (step > 0.0f)
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ImGui::PushItemWidth(ImMax(1.0f, w - (button_sz.x + style.ItemInnerSpacing.x)*2));
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@ -6101,15 +6112,15 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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// Update some data if we are active or last active
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edit_state.Width = w + style.FramePadding.x;
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edit_state.BufSizeA = buf_size;
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edit_state.Font = window->Font();
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edit_state.FontSize = window->FontSize();
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edit_state.Font = g.Font;
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edit_state.FontSize = g.FontSize;
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edit_state.UpdateScrollOffset();
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}
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if (g.ActiveId == id)
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{
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// Edit in progress
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const float mx = g.IO.MousePos.x - frame_bb.Min.x - style.FramePadding.x;
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const float my = window->FontSize()*0.5f; // Flatten mouse because we are doing a single-line edit
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const float my = g.FontSize*0.5f; // Flatten mouse because we are doing a single-line edit
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if (select_all || (hovered && io.MouseDoubleClicked[0]))
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{
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@ -6294,8 +6305,8 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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RenderFrame(frame_bb.Min, frame_bb.Max, window->Color(ImGuiCol_FrameBg), true, style.FrameRounding);
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const ImVec2 font_off_up = ImVec2(0.0f,window->FontSize()+1.0f); // FIXME: those offsets are part of the style or font API
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const ImVec2 font_off_dn = ImVec2(0.0f,2.0f);
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const ImVec2 font_off_up = ImVec2(0.0f, g.FontSize+1.0f); // FIXME: those offsets are part of the style or font API
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const ImVec2 font_off_dn = ImVec2(0.0f, 2.0f);
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if (g.ActiveId == id)
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{
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@ -6312,7 +6323,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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//const float render_scroll_x = (g.ActiveId == id) ? edit_state.ScrollX : 0.0f;
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const float render_scroll_x = (edit_state.Id == id) ? edit_state.ScrollX : 0.0f;
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ImGuiTextEditState::RenderTextScrolledClipped(window->Font(), window->FontSize(), buf, frame_bb.Min + style.FramePadding, w + style.FramePadding.x, render_scroll_x);
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ImGuiTextEditState::RenderTextScrolledClipped(g.Font, g.FontSize, buf, frame_bb.Min + style.FramePadding, w + style.FramePadding.x, render_scroll_x);
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if (g.ActiveId == id)
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{
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@ -6324,7 +6335,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
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// Notify OS of text input position for advanced IME
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if (io.ImeSetInputScreenPosFn && ImLengthSqr(edit_state.InputCursorScreenPos - cursor_pos) > 0.0001f)
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io.ImeSetInputScreenPosFn((int)cursor_pos.x - 1, (int)(cursor_pos.y - window->FontSize())); // -1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety.
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io.ImeSetInputScreenPosFn((int)cursor_pos.x - 1, (int)(cursor_pos.y - g.FontSize)); // -1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety.
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edit_state.InputCursorScreenPos = cursor_pos;
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}
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@ -6511,7 +6522,7 @@ bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(voi
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if (!ItemAdd(total_bb, &id))
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return false;
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const float arrow_size = (window->FontSize() + style.FramePadding.x * 2.0f);
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const float arrow_size = (g.FontSize + style.FramePadding.x * 2.0f);
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const bool hovered = IsHovered(frame_bb, id);
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bool value_changed = false;
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@ -6757,7 +6768,7 @@ bool ImGui::ColorButton(const ImVec4& col, bool small_height, bool outline_borde
|
||||
|
||||
const ImGuiStyle& style = g.Style;
|
||||
const ImGuiID id = window->GetID("#colorbutton");
|
||||
const float square_size = window->FontSize();
|
||||
const float square_size = g.FontSize;
|
||||
const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(square_size + style.FramePadding.x*2, square_size + (small_height ? 0 : style.FramePadding.y*2)));
|
||||
ItemSize(bb, small_height ? 0.0f : style.FramePadding.y);
|
||||
if (!ItemAdd(bb, &id))
|
||||
@ -6805,7 +6816,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], bool alpha)
|
||||
const ImGuiStyle& style = g.Style;
|
||||
const ImGuiID id = window->GetID(label);
|
||||
const float w_full = ImGui::CalcItemWidth();
|
||||
const float square_sz = (window->FontSize() + style.FramePadding.x * 2.0f);
|
||||
const float square_sz = (g.FontSize + style.FramePadding.x * 2.0f);
|
||||
|
||||
ImGuiColorEditMode edit_mode = window->DC.ColorEditMode;
|
||||
if (edit_mode == ImGuiColorEditMode_UserSelect || edit_mode == ImGuiColorEditMode_UserSelectShowButton)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user