56 lines
1.6 KiB
Rust
56 lines
1.6 KiB
Rust
use crate::{
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commands::{wrap_command, wrap_origin_accessors},
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macros::{wrap_fields, wrap_functions},
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mem::{heap_move_nonnull, heap_move_ok, heap_remove},
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};
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use servicepoint::{Bitmap, BitmapCommand, CompressionCode, Origin, Packet};
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use std::ptr::NonNull;
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wrap_command!(Bitmap);
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wrap_fields!(cmd_bitmap::BitmapCommand;
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prop bitmap: Bitmap { mut get(); move set(value); };
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prop compression: CompressionCode { get(); set(value); };
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);
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wrap_origin_accessors!(cmd_bitmap::BitmapCommand);
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wrap_functions!(cmd_bitmap;
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/// Sets a window of pixels to the specified values.
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///
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/// The passed [Bitmap] gets consumed.
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///
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/// Returns: a new [BitmapCommand] instance.
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fn new(
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bitmap: NonNull<Bitmap>,
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origin_x: usize,
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origin_y: usize,
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compression: CompressionCode,
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) -> NonNull<BitmapCommand> {
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heap_move_nonnull(BitmapCommand {
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bitmap: unsafe { heap_remove(bitmap) },
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origin: Origin::new(origin_x, origin_y),
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compression,
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})
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}
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/// Move the provided [Bitmap] into a new [BitmapCommand],
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/// leaving other fields as their default values.
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///
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/// Rust equivalent: `BitmapCommand::from(bitmap)`
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fn from_bitmap(
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bitmap: NonNull<Bitmap>,
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) -> NonNull<BitmapCommand> {
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heap_move_nonnull(unsafe { heap_remove(bitmap) }.into())
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}
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/// Tries to turn a [BitmapCommand] into a [Packet].
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///
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/// Returns: NULL or a [Packet] containing the command.
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fn try_into_packet(
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command: NonNull<BitmapCommand>,
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) -> *mut Packet {
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heap_move_ok(unsafe { heap_remove(command) }.try_into())
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}
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);
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