x1view-DotByDot picture viewer

Summary
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It is a simple image viewer that displays images at dot by dot on the display.
The scaling factor is limited to integer only like the followings.

x64 , x63 ... x2 , x1 , 1/2 , 1/3 ... 1/8

And the scaling is without anti aliasing.

It is intended to be used for the following applications.
- Test of display and touch panel
- When you want to check the image details in pixel units


How to use
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- Select the display image.
Press the [Galary] or [FileSelector] button under [InputPicture].
Since the gallery or built-in file selector will be launched, select the image.
- Display
Please press the [Show] button under [Display]. Images are displayed at dot by dot (x1).
- Operation during image display
Move the image by dragging. Pinch in and pinch out to zoom in and out.
Press the [Back] key to return to the previous screen.
If your phone have no physical [Back] key, by swiping the bottom edge of the screen inward, you can get the [Back] key.
The button is displayed with a long tap, and fine adjustment of the position is possible.
At this time, the upper left corner shows the coordinates of the upper left corner of the image and the scaling ratio.


DisableTouch
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By checking [DisableTouch] on the initial screen, the application try to avoid touch action as possible.
To return to the initial screen from the image display, press the power button for a short time twice to enter suspend mode and resume.
Use this mode when the display influence the touch panel and causes abnormal operation.


Image size
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For images exceeding 2.5 M pixels, the image read and displayed by dividing to small tile.
Therefore, depending on the phone, the operation may be slower than the standard gallery application, but there is also the possibility of it becoming faster.