str_idString identifier hashed with the current ID stack to distinguish this item or scope.
user_texture_idRenderer texture identifier (ImTextureID bigint), not an SFML texture object.
image_sizeDisplayed image width and height in screen pixels, independent of texture dimensions.
uv0Texture coordinates at the upper-left corner; (0,0) is the usual full-image start.
uv1Texture coordinates at the lower-right corner; (1,1) is the usual full-image end.
bg_colRGBA background color behind the image, with floating-point components.
tint_colRGBA color multiplied into the image; white preserves its colors.
True when the item is activated this frame; this is an activation event, not a persistent selected state.
Display a clickable button containing a texture image.