qt6-qttools-distancefieldgenerator znver1 828b2184478f8fdd4587d3d352cf8340860608521080d1cffad825f8b032e06d Qt Distance Field Generator - font cache builder If the user interface of an application has a lot of text, it may cause a small, but noticeable, performance impact the first time it is displayed to the user. This is especially true if the text is rendered in multiple different fonts or use a large amount of distinct characters (common for instance in writing systems such as Hanzi, written Chinese). The reason is that in order to render the text efficiently later, Qt will spend some time creating graphical assets for each of the glyphs that will later be reused. This happens the first time a glyph is displayed in the scene. For advanced users who want to optimize startup performance, it is possible to pregenerate this font cache, as long as Text.QtRendering is the rendering type in use. The Qt Distance Field Generator tool can be used to pregenerate the cache, either for all glyphs in the fonts, or just a selection that are known to be displayed during a critical phase. bero <bero@lindev.ch> https://doc.qt.io/qt-6/qtdistancefieldgenerator-index.html