Drezil/imgui
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Added IO.FontBaseScale for global rescale. Renamed SetFontScale to SetWindowFontScale

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This commit is contained in:
ocornut 2014-09-24 14:03:42 +01:00
parent da2ccf0a78
commit 05a42ba3a6
2 changed files with 19 additions and 16 deletions
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30
imgui.cpp
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@ -1,4 +1,4 @@
// ImGui library v1.11
// ImGui library v1.11+
// See ImGui::ShowTestWindow() for sample code.
// Read 'Programmer guide' below for notes on how to setup ImGui in your codebase.
// Get latest version at https://github.com/ocornut/imgui
@ -301,7 +301,8 @@ ImGuiIO::ImGuiIO()
Font = NULL;
FontYOffset = 0.0f;
FontTexUvForWhite = ImVec2(0.0f,0.0f);
FontAllowScaling = false;
FontBaseScale = 1.0f;
FontAllowUserScaling = false;
PixelCenterOffset = 0.0f;
MousePos = ImVec2(-1,-1);
MousePosPrev = ImVec2(-1,-1);
@ -633,7 +634,7 @@ struct ImGuiState
bool Initialized;
ImGuiIO IO;
ImGuiStyle Style;
float FontSize; // == IO.Font->GetFontSize(). Vertical distance between two lines of text, aka == CalcTextSize(" ").y
float FontSize; // == IO.FontBaseScale * IO.Font->GetFontSize(). Vertical distance between two lines of text, aka == CalcTextSize(" ").y
float Time;
int FrameCount;
@ -720,7 +721,7 @@ struct ImGuiWindow
int LastFrameDrawn;
float ItemWidthDefault;
ImGuiStorage StateStorage;
float FontScale;
float FontWindowScale; // Scale multipler per-window
int FocusIdxCounter; // Start at -1 and increase as assigned via FocusItemRegister()
int FocusIdxRequestCurrent; // Item being requested for focus, rely on layout to be stable between the frame pressing TAB and the next frame
@ -741,7 +742,7 @@ public:
ImGuiAabb Aabb() const { return ImGuiAabb(Pos, Pos+Size); }
ImFont Font() const { return GImGui.IO.Font; }
float FontSize() const { return GImGui.FontSize * FontScale; }
float FontSize() const { return GImGui.FontSize * FontWindowScale; }
ImVec2 CursorPos() const { return DC.CursorPos; }
float TitleBarHeight() const { return (Flags & ImGuiWindowFlags_NoTitleBar) ? 0 : FontSize() + GImGui.Style.FramePadding.y * 2.0f; }
ImGuiAabb TitleBarAabb() const { return ImGuiAabb(Pos, Pos + ImVec2(SizeFull.x, TitleBarHeight())); }
@ -973,7 +974,7 @@ ImGuiWindow::ImGuiWindow(const char* name, ImVec2 default_pos, ImVec2 default_si
AutoFitFrames = -1;
LastFrameDrawn = -1;
ItemWidthDefault = 0.0f;
FontScale = 1.0f;
FontWindowScale = 1.0f;
if (ImLength(Size) < 0.001f)
AutoFitFrames = 3;
@ -1218,6 +1219,7 @@ void NewFrame()
IM_ASSERT(g.IO.DeltaTime > 0.0f);
IM_ASSERT(g.IO.DisplaySize.x > 0.0f && g.IO.DisplaySize.y > 0.0f);
IM_ASSERT(g.IO.RenderDrawListsFn != NULL); // Must be implemented
IM_ASSERT(g.IO.FontBaseScale > 0.0f);
if (!g.Initialized)
{
@ -1245,7 +1247,7 @@ void NewFrame()
g.Time += g.IO.DeltaTime;
g.FrameCount += 1;
g.Tooltip[0] = '\0';
g.FontSize = g.IO.Font->GetFontSize();
g.FontSize = g.IO.FontBaseScale * g.IO.Font->GetFontSize();
// Update inputs state
if (g.IO.MousePos.x < 0 && g.IO.MousePos.y < 0)
@ -1306,12 +1308,12 @@ void NewFrame()
ImGuiWindow* window = g.HoveredWindow;
if (g.IO.KeyCtrl)
{
if (g.IO.FontAllowScaling)
if (g.IO.FontAllowUserScaling)
{
// Zoom / Scale window
float new_font_scale = ImClamp(window->FontScale + g.IO.MouseWheel * 0.10f, 0.50f, 2.50f);
float scale = new_font_scale / window->FontScale;
window->FontScale = new_font_scale;
float new_font_scale = ImClamp(window->FontWindowScale + g.IO.MouseWheel * 0.10f, 0.50f, 2.50f);
float scale = new_font_scale / window->FontWindowScale;
window->FontWindowScale = new_font_scale;
const ImVec2 offset = window->Size * (1.0f - scale) * (g.IO.MousePos - window->Pos) / window->Size;
window->Pos += offset;
@ -2507,10 +2509,10 @@ ImDrawList* GetWindowDrawList()
return window->DrawList;
}
void SetFontScale(float scale)
void SetWindowFontScale(float scale)
{
ImGuiWindow* window = GetCurrentWindow();
window->FontScale = scale;
window->FontWindowScale = scale;
}
ImVec2 GetCursorPos()
@ -5533,7 +5535,7 @@ void ShowUserGuide()
ImGui::BulletText("Click and drag on lower right corner to resize window.");
ImGui::BulletText("Click and drag on any empty space to move window.");
ImGui::BulletText("Mouse Wheel to scroll.");
if (g.IO.FontAllowScaling)
if (g.IO.FontAllowUserScaling)
ImGui::BulletText("CTRL+Mouse Wheel to zoom window contents.");
ImGui::BulletText("TAB/SHIFT+TAB to cycle thru keyboard editable fields.");
ImGui::BulletText("CTRL+Click on a slider to input text.");

5
imgui.h
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@ -152,7 +152,7 @@ namespace ImGui
ImVec2 GetWindowContentRegionMin();
ImVec2 GetWindowContentRegionMax();
ImDrawList* GetWindowDrawList(); // get rendering command-list if you want to append your own draw primitives.
void SetFontScale(float scale);
void SetWindowFontScale(float scale); // per-window font scale. Adjust IO.FontBaseScale if you want to scale all windows together.
void SetScrollPosHere(); // adjust scrolling position to center into the current cursor position.
void SetTreeStateStorage(ImGuiStorage* tree); // replace tree state storage with our own (if you want to manipulate it yourself, typically clear subsection of it).
ImGuiStorage* GetTreeStateStorage();
@ -406,7 +406,8 @@ struct ImGuiIO
ImFont Font; // <auto> // Gets passed to text functions. Typedef ImFont to the type you want (ImBitmapFont* or your own font).
float FontYOffset; // = 0.0f // Offset font rendering by xx pixels in Y axis.
ImVec2 FontTexUvForWhite; // = (0.0f,0.0f) // Font texture must have a white pixel at this UV coordinate. Adjust if you are using custom texture.
bool FontAllowScaling; // = false // Set to allow scaling text with CTRL+Wheel.
float FontBaseScale; // = 1.0f // Base font scale, multiplied by the per-window font scale which you can adjust with SetFontScale()
bool FontAllowUserScaling; // = false // Set to allow scaling text with CTRL+Wheel.
float PixelCenterOffset; // = 0.0f // Try to set to 0.5f or 0.375f if rendering is blurry
// Settings - Rendering function (REQUIRED)