python (12.9k questions)

javascript (9.2k questions)

reactjs (4.7k questions)

java (4.2k questions)

java (4.2k questions)

c# (3.5k questions)

c# (3.5k questions)

html (3.3k questions)

Questions - alphablending

Image Magick blend 2 cropped/resize images together in the middle

Hey all I have this code below that takes 2 images and merges them together with it fading in the center: convert testingl.jpg -gravity West ^ testingr.jpg -gravity East ^ blend_mask.png -extent 1080x...
test-img

StealthRT

imagemagick

imagemagick-convert

alphablending

imagemagick.net

Votes: 0

Answers: 1

Latest Answer

Your ImageMagick command does not generate your proposed output image. I think it is missing a resize and parentheses. In Unix syntax, I need the following to get your output. convert \ \( testingl.pn...
test-img

fmw42

Blend equation considering target alpha, that leaves source color untouched when target alpha is 0

The "normal" source-over blend equation is outColor = srcAlpha * srcColor + (1 - srcAlpha) * dstColor This equation does not consider the destination alpha, and as such produces poor results...
test-img

Phrogz

opengl

vulkan

alphablending

blending

color-blending

Votes: 0

Answers: 1

Latest Answer

You should draw translucent objects from furthest to closest. If you are going to draw N objects sorted by distance, when you render object i you only need take into account the alpha of i. All the al...
test-img

tuket

Posts

Questions

Blogs

Jobs