Header: textarea.h
Syntax:
extern _kernel_oserror *textarea_set_background
(
unsigned int flags,
ObjectId window,
ComponentId textarea,
void *sprite_area,
void *sprite,
int x_off,
int y_off
);
Purpose: Function sets a sprite to be rendered as a background to the text (requires TextGadgets 0.23). x_off and y_off are plot offsets in OS coordinates and allow the position of the sprite to be adjusted. Tiling and base alignment are controlled by the gadget state.
Various extensions require TextGadgets 0.77:
· Sprites can be specified by name instead of pointer by setting flags bit 0.
· Any background sprite is removed if sprite_area == 0.
· Sprites from the Wimp pool (which must be referred to by name) can be used by specifying sprite_area == 1.
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