MMM-BackgroundSlideshow

[A Former User]

Anyway, If your module would be using img tag for showing photos, module should know the exact image size and calculate to resize it by proper target ratio.
Instead, I prefer using Background CSS trick. background-size:cover will cover whole image to entire area of it’s element, background-size:contain will resize image to fit to target element size. Suprisingly, without any calculation.

[sdetweil]

@sean how about a portrait photo sample…

the tv/monitor aspect ratio (16:9) doesn’t fit unless u stretch or clip the image…

the sunrise is 6000x4000 pixels the portrait photo is 4000x6000 (both WxH)

[sdetweil]

@sean but it distorts the picture, not in original format… which is what I want…

[A Former User]

@sdetweil
There are two options for vertical photos on horizontal screen.

• cover : whole screen will be covered by part of photos. but some areas(top and bottom) of photos will be out of screen

• contain : whole picture will be shown from bottom to top. but some remain area of screen (left and right) will be black.

[sdetweil]

@sean i understand… but BOTH distort the image presentation

[A Former User]

@sdetweil
Which distortion? It’s just resizing.

[sdetweil]

@sean bingo… if something is clipped (not shown) then its wrong… I fiddled with all those css settings and finally gave up… i calculate the dimensions myself and all is good on EVERY picture

[A Former User]

@sdetweil
Then you can use just contain mode .
Here is my another module handling image - MMM-Rijks with same technic.
It can show how contain trick works.

[sdetweil]

@sean ok, that doesn’t work for me… i am not background, i am foreground. (fullscreen above).

if I set if on the module div or on the image, I get the same extreme zoom in.

[CyruS1337]

@sean With the module MM-Background Slideshow I have now added contain:

{
    module: 'MMM-BackgroundSlideshow',
    position: 'fullscreen_below',
    config: {
      imagePaths: ['modules/MMM-BackgroundSlideshow/Amerika_2018'],
	  slideshowSpeed: 5000,
      transitionImages: true,
      randomizeImageOrder: true,
	  backgroundSize: 'contain'
    }
  },

The pictures now show it in the correct size. From the pictures, which were photographed in portrait format, it does not display correctly. Funny is that certain something in portrait mode.

https://picload.org/view/dcocdwwl/20181115_1834321.jpg.html

https://picload.org/view/dcocdwwc/20181115_1833561.jpg.html

[A Former User]

@cyrus1337
Each JPEG taken by modern digital camera has EXIF - direction information . Many picture viewers (in PC or Phone) can show the picture of right direction by automatic rotation with that information.

But Most of Web Browser (including Electron/Chrome of MagicMirror) don’t have that feature yet.

If your photos are stored in GooglePhotos or any other “SMART” clouds, the pictures will be stored with right direction when you saved. But… As I know that BackgroundSlideShow use your local directory. Browser cannot know right direction, then It display the picture as it was taken.

I tried automatic rotation on MMM-DropboxWallpaper with EXIF, but not so satisfied. On browser level, it could’t be solved acceptably. Rotation on displaying could make unintended blank area, and Rotation of stored images on RPI needs too much CPU power.

Solution: Rotate photos by manual with image editor in your POWERFUL PC then, save and use them.

[CyruS1337]

Ok, thanks for your help. I downloaded the program PhotoScape and changed the height and width of all photos. Look, there you go !! Thank you

[Benson]

@CyruS1337
Hi~ do you know how to set the “imagePaths” to the flash drive?
Is it like the following? But it doesn’t seem to work.

imagePaths: [‘media/pi/FlashDriveName/PhotoFolder’],

[sdetweil]

@Benson the path MUST start in the module folder.

so, you will need to use the ln command to link a folder in the module folder to the real media folder

ln -s media-path folder_name