`SoftwareCanvas` resize only works properly if it's the last step

[Diniboy1123]

Checklist

• I have searched the issue tracker for open issues that relate to the same problem, before opening a new one.
• This issue only relates to a single bug. I will open new issues for any other problems.

Describe the bug

Following up on the suggestion from Discord to report this here... If i take the following code:

width := 1024
height := 758

myCanvas := playground.NewSoftwareCanvas()

clockText := canvas.NewText(time.Now().Format("15:04:05"), color.White)
clockText.TextSize = 150
clockText.Alignment = fyne.TextAlignCenter

clockContainer := container.NewCenter(clockText)

myCanvas.SetContent(clockContainer)
myCanvas.Resize(fyne.Size{Width: width, Height: height})

img := myCanvas.Capture()

And save the result as an image, I get the expected result:

But if I move myCanvas.Resize(fyne.Size{Width: width, Height: height}) directly after myCanvas := playground.NewSoftwareCanvas(), the result will be wrong:

How to reproduce

1. Copy my provided example code
2. go run .
3. See that the resulting clock.png has the wrong resolution, it should be 1024x758.
4. Put myCanvas.Resize(fyne.Size{Width: width, Height: height}) under myCanvas.SetContent(clockContainer).
5. Notice that the image is rendered properly.

Screenshots

No response

Example code

package main

import (
	"fmt"
	"image"
	"image/color"
	"image/png"
	"os"
	"time"

	"fyne.io/fyne"
	"fyne.io/fyne/canvas"
	"fyne.io/fyne/container"
	"fyne.io/fyne/tools/playground"
)

func main() {
	width := 1024
	height := 758

	myCanvas := playground.NewSoftwareCanvas()
	myCanvas.Resize(fyne.Size{Width: width, Height: height})

	clockText := canvas.NewText(time.Now().Format("15:04:05"), color.White)
	clockText.TextSize = 150
	clockText.Alignment = fyne.TextAlignCenter

	clockContainer := container.NewCenter(clockText)

	myCanvas.SetContent(clockContainer)

	img := myCanvas.Capture()

	saveImage(img, "clock.png")
}

func saveImage(img image.Image, filename string) {
	f, err := os.Create(filename)
	if err != nil {
		fmt.Println(err)
		return
	}
	defer f.Close()

	err = png.Encode(f, img)
	if err != nil {
		fmt.Println(err)
		return
	}
}

Fyne version

v2.5.4

Go compiler version

1.24.0

Operating system and version

Arch Linux amd64

Additional Information

No response

[Diniboy1123]

Update: I can reproduce this with fyne/v2 as well:

width := float32(1024)
height := float32(758)

myCanvas := software.NewTransparentCanvas()

clockText := canvas.NewText(time.Now().Format("15:04:05"), color.White)
clockText.TextSize = 150
clockText.Alignment = fyne.TextAlignCenter

clockContainer := container.NewCenter(clockText)

myCanvas.SetContent(clockContainer)
myCanvas.Resize(fyne.NewSize(width, height))

img := myCanvas.Capture()