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Diffstat (limited to 'docs/checks/README-qcolor-from-literal.md')
| -rw-r--r-- | docs/checks/README-qcolor-from-literal.md | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/docs/checks/README-qcolor-from-literal.md b/docs/checks/README-qcolor-from-literal.md new file mode 100644 index 00000000..cd2d28fe --- /dev/null +++ b/docs/checks/README-qcolor-from-literal.md @@ -0,0 +1,10 @@ +# qcolor-from-literal + +Warns when a `QColor` is being constructed from a string literal such as "#RRGGBB". +This is less performant than calling the ctor that takes `int`s, since it creates temporary `QString`s. + +Example: + +`QColor c("#000000");` // Use QColor c(0, 0, 0) instead + +`c.setNamedColor("#001122");` // Use c = QColor(0, 0x11, 0x22) instead |