display

package

v0.6.0 Latest Latest Go to latest Published: Mar 13, 2026 License: GPL-3.0 Imports: 2 Imported by: 0

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Repository

github.com/user-none/eblitui

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Documentation ¶

Index ¶

func DPIScale() float64
func ScaleAndCenter(displayW, displayH, sourceW, sourceH float64, screenW, screenH int) (scaleX, scaleY, offsetX, offsetY float64)
func Size(mode string, screenW, screenH, sourceW, sourceH int, par float64) (float64, float64)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func DPIScale ¶

func DPIScale() float64

DPIScale returns the device scale factor for the current monitor. Returns 1.0 if the monitor is not available (e.g. in test environments).

func ScaleAndCenter ¶

func ScaleAndCenter(displayW, displayH, sourceW, sourceH float64, screenW, screenH int) (scaleX, scaleY, offsetX, offsetY float64)

ScaleAndCenter computes scale factors and centering offsets to fit a display-sized image (displayW x displayH) from a source (sourceW x sourceH) into the screen (screenW x screenH).

func Size ¶

func Size(mode string, screenW, screenH, sourceW, sourceH int, par float64) (float64, float64)

Size computes the display dimensions for the given aspect ratio mode, fitting within screenW x screenH while preserving the chosen ratio. sourceW/sourceH are the native pixel dimensions and par is the pixel aspect ratio (used only for "dar" mode).

Types ¶

This section is empty.

Source Files ¶

View all Source files

display.go

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