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Fonts: Added a bit of user facing tooling.

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ocornut
2025-01-16 15:41:46 +01:00
parent bd19bc5085
commit 722f6013ff
2 changed files with 24 additions and 1 deletions
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23
imgui.cpp
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@@ -15594,6 +15594,7 @@ void ImGui::ShowFontAtlas(ImFontAtlas* atlas)
{
ImGuiContext& g = *GImGui;
SeparatorText("Fonts");
Text("Read ");
SameLine(0, 0);
TextLinkOpenURL("https://www.dearimgui.com/faq/");
@@ -15641,6 +15642,28 @@ void ImGui::ShowFontAtlas(ImFontAtlas* atlas)
PopID();
}
SeparatorText("Font Atlas");
if (Button("Clear Cache"))
atlas->ClearCache();
SameLine();
if (Button("Grow"))
ImFontAtlasBuildGrowTexture(atlas);
SameLine();
if (Button("Compact"))
ImFontAtlasBuildCompactTexture(atlas);
for (int tex_n = 0; tex_n < atlas->TexList.Size; tex_n++)
{
ImTextureData* tex = atlas->TexList[tex_n];
if (tex_n > 0)
SameLine();
Text("Tex: %dx%d", tex->Width, tex->Height);
}
const int packed_surface_sqrt = (int)sqrtf((float)atlas->Builder->RectsPackedSurface);
const int discarded_surface_sqrt = (int)sqrtf((float)atlas->Builder->RectsDiscardedSurface);
Text("Packed rects: %d, area: about %d px ~%dx%d px", atlas->Builder->RectsPackedCount, atlas->Builder->RectsPackedSurface, packed_surface_sqrt, packed_surface_sqrt);
Text("incl. Discarded rects: %d, area: about %d px ~%dx%d px", atlas->Builder->RectsDiscardedCount, atlas->Builder->RectsDiscardedSurface, discarded_surface_sqrt, discarded_surface_sqrt);
// Texture list
for (ImTextureData* tex : atlas->TexList)
{

2
imgui_demo.cpp
View File

@@ -8446,11 +8446,11 @@ void ImGui::ShowStyleEditor(ImGuiStyle* ref)
{
ImGuiIO& io = GetIO();
ImFontAtlas* atlas = io.Fonts;
HelpMarker("Read FAQ and docs/FONTS.md for details on font loading.");
ShowFontAtlas(atlas);
// 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).
SeparatorText("Legacy Scaling");
const float MIN_SCALE = 0.3f;
const float MAX_SCALE = 2.0f;
HelpMarker(