phantop/doukutsu-rs
1
0
Fork 0
mirror of https://github.com/doukutsu-rs/doukutsu-rs synced 2025-11-26 06:08:16 +00:00
Code Issues Releases Wiki Activity

texture_set: add memory image loading function

Browse source
This commit is contained in:
Alula 2020-08-28 05:48:41 +02:00
parent 647e5c73cd
commit b680db9114
No known key found for this signature in database
GPG key ID: 3E00485503A1D8BA
1 changed files with 23 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
src/texture_set.rs
View file

@ -12,6 +12,7 @@ use log::info;
use crate::common; use crate::common;
use crate::engine_constants::EngineConstants; use crate::engine_constants::EngineConstants;
use crate::str; use crate::str;
use image::RgbaImage;
pub struct SizedBatch { pub struct SizedBatch {
pub batch: SpriteBatch, pub batch: SpriteBatch,
@ -95,6 +96,14 @@ impl TextureSet {
} }
} }
fn make_transparent(rgba: &mut RgbaImage) {
for (r, g, b, a) in rgba.iter_mut().tuples() {
if *r == 0 && *g == 0 && *b == 0 {
*a = 0;
}
}
}
fn load_image(&self, ctx: &mut Context, path: &str) -> GameResult<Image> { fn load_image(&self, ctx: &mut Context, path: &str) -> GameResult<Image> {
let img = { let img = {
let mut buf = [0u8; 8]; let mut buf = [0u8; 8];
@ -104,15 +113,23 @@ impl TextureSet {
let image = image::load(BufReader::new(reader), image::guess_format(&buf)?)?; let image = image::load(BufReader::new(reader), image::guess_format(&buf)?)?;
let mut rgba = image.to_rgba(); let mut rgba = image.to_rgba();
if image.color().channel_count() != 4 { if image.color().channel_count() != 4 {
for (r, g, b, a) in rgba.iter_mut().tuples() { TextureSet::make_transparent(&mut rgba);
if *r == 0 && *g == 0 && *b == 0 {
*a = 0;
}
} }
rgba
};
let (width, height) = img.dimensions();
Image::from_rgba8(ctx, width as u16, height as u16, img.as_ref())
} }
fn load_image_from_buf(&self, ctx: &mut Context, buf: &[u8]) -> GameResult<Image> {
let img = {
let image = image::load_from_memory(buf)?;
let mut rgba = image.to_rgba();
if image.color().channel_count() != 4 {
TextureSet::make_transparent(&mut rgba);
}
rgba rgba
}; };
let (width, height) = img.dimensions(); let (width, height) = img.dimensions();