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Demo: Clamping font scale. Added helpers in demo. Comments. Update sponsors. (#3206)
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@ -194,7 +194,7 @@ Ongoing Dear ImGui development is financially supported by users and private spo
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- [Blizzard](https://careers.blizzard.com/en-us/openings/engineering/all/all/all/1), [Google](https://github.com/google/filament), [Nvidia](https://developer.nvidia.com/nvidia-omniverse), [Ubisoft](https://montreal.ubisoft.com/en/ubisoft-sponsors-user-interface-library-for-c-dear-imgui/)
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*Double-chocolate and Salty caramel sponsors*
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- [Activision](https://careers.activision.com/c/programmingsoftware-engineering-jobs), [DotEmu](http://www.dotemu.com), [Framefield](http://framefield.com), [Hexagon](https://hexagonxalt.com/the-technology/xalt-visualization), [Kylotonn](https://www.kylotonn.com), [Media Molecule](http://www.mediamolecule.com), [Mesh Consultants](https://www.meshconsultants.ca), [Mobigame](http://www.mobigame.net), [Nadeo](https://www.nadeo.com), [Supercell](http://www.supercell.com), [Remedy Entertainment](https://www.remedygames.com/), [Unit 2 Games](https://unit2games.com/)
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- [Activision](https://careers.activision.com/c/programmingsoftware-engineering-jobs), [Arkane Studios](https://www.arkane-studios.com), [Dotemu](http://www.dotemu.com), [Framefield](http://framefield.com), [Hexagon](https://hexagonxalt.com/the-technology/xalt-visualization), [Kylotonn](https://www.kylotonn.com), [Media Molecule](http://www.mediamolecule.com), [Mesh Consultants](https://www.meshconsultants.ca), [Mobigame](http://www.mobigame.net), [Nadeo](https://www.nadeo.com), [Supercell](http://www.supercell.com), [Remedy Entertainment](https://www.remedygames.com/), [Unit 2 Games](https://unit2games.com/)
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From November 2014 to December 2019, ongoing development has also been financially supported by its users on Patreon and through individual donations. Please see [detailed list of Dear ImGui supporters](https://github.com/ocornut/imgui/wiki/Sponsors).
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@ -6610,6 +6610,7 @@ ImVec2 ImGui::GetFontTexUvWhitePixel()
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void ImGui::SetWindowFontScale(float scale)
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{
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IM_ASSERT(scale > 0.0f);
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ImGuiContext& g = *GImGui;
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ImGuiWindow* window = GetCurrentWindow();
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window->FontWindowScale = scale;
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@ -6818,6 +6819,7 @@ static void ImGui::ErrorCheckEndFrameSanityChecks()
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ImGuiContext& g = *GImGui;
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// Verify that io.KeyXXX fields haven't been tampered with. Key mods should not be modified between NewFrame() and EndFrame()
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// One possible reason leading to this assert is that your back-ends update inputs _AFTER_ NewFrame().
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const ImGuiKeyModFlags expected_key_mod_flags = GetMergedKeyModFlags();
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IM_ASSERT(g.IO.KeyMods == expected_key_mod_flags && "Mismatching io.KeyCtrl/io.KeyShift/io.KeyAlt/io.KeySuper vs io.KeyMods");
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IM_UNUSED(expected_key_mod_flags);
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@ -114,6 +114,7 @@ Index of this file:
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#define IM_NEWLINE "\n"
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#endif
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// Helpers
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#if defined(_MSC_VER) && !defined(snprintf)
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#define snprintf _snprintf
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#endif
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@ -121,6 +122,14 @@ Index of this file:
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#define vsnprintf _vsnprintf
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#endif
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// Helpers macros
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// We normally try to not use many helpers in imgui_demo.cpp in order to make code easier to copy and paste,
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// but making an exception here as those are largely simplifying code...
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// In other imgui sources we can use nicer internal functions from imgui_internal.h (ImMin/ImMax) but not in the demo.
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#define IM_MIN(A, B) (((A) < (B)) ? (A) : (B))
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#define IM_MAX(A, B) (((A) >= (B)) ? (A) : (B))
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#define IM_CLAMP(V, MN, MX) ((V) < (MN) ? (MN) : (V) > (MX) ? (MX) : (V))
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//-----------------------------------------------------------------------------
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// [SECTION] Forward Declarations, Helpers
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//-----------------------------------------------------------------------------
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@ -1294,7 +1303,7 @@ static void ShowDemoWindowWidgets()
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ImGui::SameLine(0.0f, ImGui::GetStyle().ItemInnerSpacing.x);
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ImGui::Text("Progress Bar");
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float progress_saturated = (progress < 0.0f) ? 0.0f : (progress > 1.0f) ? 1.0f : progress;
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float progress_saturated = IM_CLAMP(progress, 0.0f, 1.0f);
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char buf[32];
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sprintf(buf, "%d/%d", (int)(progress_saturated*1753), 1753);
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ImGui::ProgressBar(progress, ImVec2(0.f,0.f), buf);
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@ -3792,11 +3801,20 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
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ImGui::TreePop();
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}
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HelpMarker("Those are old settings provided for convenience.\nHowever, the _correct_ way of scaling your UI is currently to reload your font at the designed size, rebuild the font atlas, and call style.ScaleAllSizes() on a reference ImGuiStyle structure.");
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// Post-baking font scaling. Note that this is NOT the nice way of scaling fonts, read below.
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// (we enforce hard clamping manually as by default DragFloat/SliderFloat allows CTRL+Click text to get out of bounds).
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const float MIN_SCALE = 0.3f;
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const float MAX_SCALE = 2.0f;
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HelpMarker(
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"Those are old settings provided for convenience.\n"
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"However, the _correct_ way of scaling your UI is currently to reload your font at the designed size, "
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"rebuild the font atlas, and call style.ScaleAllSizes() on a reference ImGuiStyle structure.\n"
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"Using those settings here will give you poor quality results.");
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static float window_scale = 1.0f;
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if (ImGui::DragFloat("window scale", &window_scale, 0.005f, 0.3f, 2.0f, "%.2f")) // Scale only this window
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ImGui::SetWindowFontScale(window_scale);
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ImGui::DragFloat("global scale", &io.FontGlobalScale, 0.005f, 0.3f, 2.0f, "%.2f"); // Scale everything
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if (ImGui::DragFloat("window scale", &window_scale, 0.005f, MIN_SCALE, MAX_SCALE, "%.2f")) // Scale only this window
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ImGui::SetWindowFontScale(IM_MAX(window_scale, MIN_SCALE));
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if (ImGui::DragFloat("global scale", &io.FontGlobalScale, 0.005f, MIN_SCALE, MAX_SCALE, "%.2f")) // Scale everything
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io.FontGlobalScale = IM_MAX(io.FontGlobalScale, MIN_SCALE);
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ImGui::PopItemWidth();
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ImGui::EndTabItem();
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@ -4682,7 +4700,7 @@ static void ShowExampleAppConstrainedResize(bool* p_open)
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struct CustomConstraints
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{
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// Helper functions to demonstrate programmatic constraints
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static void Square(ImGuiSizeCallbackData* data) { data->DesiredSize.x = data->DesiredSize.y = (data->DesiredSize.x > data->DesiredSize.y ? data->DesiredSize.x : data->DesiredSize.y); }
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static void Square(ImGuiSizeCallbackData* data) { data->DesiredSize.x = data->DesiredSize.y = IM_MAX(data->DesiredSize.x, data->DesiredSize.y); }
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static void Step(ImGuiSizeCallbackData* data) { float step = (float)(int)(intptr_t)data->UserData; data->DesiredSize = ImVec2((int)(data->DesiredSize.x / step + 0.5f) * step, (int)(data->DesiredSize.y / step + 0.5f) * step); }
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};
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