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Demo: Clamping font scale. Added helpers in demo. Comments. Update sponsors. (#3206)

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This commit is contained in:
omar 2020-05-07 11:38:45 +02:00
parent f152fac4f1
commit 673d6df85f
3 changed files with 29 additions and 9 deletions
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2
docs/README.md
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@ -194,7 +194,7 @@ Ongoing Dear ImGui development is financially supported by users and private spo
- [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/)
*Double-chocolate and Salty caramel sponsors*
- [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/)
- [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/)
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).

2
imgui.cpp
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@ -6610,6 +6610,7 @@ ImVec2 ImGui::GetFontTexUvWhitePixel()
void ImGui::SetWindowFontScale(float scale)
{
IM_ASSERT(scale > 0.0f);
ImGuiContext& g = *GImGui;
ImGuiWindow* window = GetCurrentWindow();
window->FontWindowScale = scale;
@ -6818,6 +6819,7 @@ static void ImGui::ErrorCheckEndFrameSanityChecks()
ImGuiContext& g = *GImGui;
// Verify that io.KeyXXX fields haven't been tampered with. Key mods should not be modified between NewFrame() and EndFrame()
// One possible reason leading to this assert is that your back-ends update inputs _AFTER_ NewFrame().
const ImGuiKeyModFlags expected_key_mod_flags = GetMergedKeyModFlags();
IM_ASSERT(g.IO.KeyMods == expected_key_mod_flags && "Mismatching io.KeyCtrl/io.KeyShift/io.KeyAlt/io.KeySuper vs io.KeyMods");
IM_UNUSED(expected_key_mod_flags);

34
imgui_demo.cpp
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@ -114,6 +114,7 @@ Index of this file:
#define IM_NEWLINE "\n"
#endif
// Helpers
#if defined(_MSC_VER) && !defined(snprintf)
#define snprintf _snprintf
#endif
@ -121,6 +122,14 @@ Index of this file:
#define vsnprintf _vsnprintf
#endif
// Helpers macros
// We normally try to not use many helpers in imgui_demo.cpp in order to make code easier to copy and paste,
// but making an exception here as those are largely simplifying code...
// In other imgui sources we can use nicer internal functions from imgui_internal.h (ImMin/ImMax) but not in the demo.
#define IM_MIN(A, B) (((A) < (B)) ? (A) : (B))
#define IM_MAX(A, B) (((A) >= (B)) ? (A) : (B))
#define IM_CLAMP(V, MN, MX) ((V) < (MN) ? (MN) : (V) > (MX) ? (MX) : (V))
//-----------------------------------------------------------------------------
// [SECTION] Forward Declarations, Helpers
//-----------------------------------------------------------------------------
@ -709,7 +718,7 @@ static void ShowDemoWindowWidgets()
// You may retain selection state inside or outside your objects in whatever format you see fit.
// 'node_clicked' is temporary storage of what node we have clicked to process selection at the end
/// of the loop. May be a pointer to your own node type, etc.
static int selection_mask = (1 << 2);
static int selection_mask = (1 << 2);
int node_clicked = -1;
for (int i = 0; i < 6; i++)
{
@ -1294,7 +1303,7 @@ static void ShowDemoWindowWidgets()
ImGui::SameLine(0.0f, ImGui::GetStyle().ItemInnerSpacing.x);
ImGui::Text("Progress Bar");
float progress_saturated = (progress < 0.0f) ? 0.0f : (progress > 1.0f) ? 1.0f : progress;
float progress_saturated = IM_CLAMP(progress, 0.0f, 1.0f);
char buf[32];
sprintf(buf, "%d/%d", (int)(progress_saturated*1753), 1753);
ImGui::ProgressBar(progress, ImVec2(0.f,0.f), buf);
@ -2379,7 +2388,7 @@ static void ShowDemoWindowLayout()
ImGui::AlignTextToFramePadding();
// Common mistake to avoid: if we want to SameLine after TreeNode we need to do it before we add
// other contents below the node.
// other contents below the node.
bool node_open = ImGui::TreeNode("Node##2");
ImGui::SameLine(0.0f, spacing); ImGui::Button("Button##2");
if (node_open)
@ -3792,11 +3801,20 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
ImGui::TreePop();
}
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.");
// Post-baking font scaling. Note that this is NOT the nice way of scaling fonts, read below.
// (we enforce hard clamping manually as by default DragFloat/SliderFloat allows CTRL+Click text to get out of bounds).
const float MIN_SCALE = 0.3f;
const float MAX_SCALE = 2.0f;
HelpMarker(
"Those are old settings provided for convenience.\n"
"However, 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.\n"
"Using those settings here will give you poor quality results.");
static float window_scale = 1.0f;
if (ImGui::DragFloat("window scale", &window_scale, 0.005f, 0.3f, 2.0f, "%.2f")) // Scale only this window
ImGui::SetWindowFontScale(window_scale);
ImGui::DragFloat("global scale", &io.FontGlobalScale, 0.005f, 0.3f, 2.0f, "%.2f"); // Scale everything
if (ImGui::DragFloat("window scale", &window_scale, 0.005f, MIN_SCALE, MAX_SCALE, "%.2f")) // Scale only this window
ImGui::SetWindowFontScale(IM_MAX(window_scale, MIN_SCALE));
if (ImGui::DragFloat("global scale", &io.FontGlobalScale, 0.005f, MIN_SCALE, MAX_SCALE, "%.2f")) // Scale everything
io.FontGlobalScale = IM_MAX(io.FontGlobalScale, MIN_SCALE);
ImGui::PopItemWidth();
ImGui::EndTabItem();
@ -4682,7 +4700,7 @@ static void ShowExampleAppConstrainedResize(bool* p_open)
struct CustomConstraints
{
// Helper functions to demonstrate programmatic constraints
static void Square(ImGuiSizeCallbackData* data) { data->DesiredSize.x = data->DesiredSize.y = (data->DesiredSize.x > data->DesiredSize.y ? data->DesiredSize.x : data->DesiredSize.y); }
static void Square(ImGuiSizeCallbackData* data) { data->DesiredSize.x = data->DesiredSize.y = IM_MAX(data->DesiredSize.x, data->DesiredSize.y); }
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); }
};