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1442d3821a
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@ -1,5 +1,3 @@
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# cowmic
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# cowmic
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generates memes
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generates memes
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`mogrify -define png:format=png32 -format png *.png`
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@ -7,5 +7,3 @@ edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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[dependencies]
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ril = { version = "0", features = ["all"] }
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magick_rust = { version = "0.16" }
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@ -1,146 +1,3 @@
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use magick_rust::{magick_wand_genesis, MagickError, MagickWand};
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use ril::prelude::*;
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use std::sync::Once;
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use std::{fs::File, path::Path};
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// Used to make sure MagickWand is initialized exactly once. Note that we
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// do not bother shutting down, we simply exit when we're done.
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static START: Once = Once::new();
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pub struct Template<T: AsRef<str>, V: AsRef<Path>> {
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elements: Vec<Element<T, V>>,
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base: Image<Rgba>,
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}
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impl<T: AsRef<str>, V: AsRef<Path>> Template<T, V> {
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pub fn new(base: Vec<u8>, elements: Vec<Element<T, V>>) -> Result<Self, CowError> {
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Ok(Self {
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base: match Image::<Rgba>::from_bytes_inferred(&base) {
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Ok(img) => img,
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_ => {
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START.call_once(|| {
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magick_wand_genesis();
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});
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let mut wand = MagickWand::new();
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wand.read_image_blob(&base)?;
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wand.set_format("png32")?;
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let base = wand.write_image_blob("png")?;
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Image::from_bytes_inferred(base)?
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}
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},
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elements,
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})
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}
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pub fn produce(self) -> Result<Vec<u8>, CowError> {
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let size = self.base.dimensions();
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let mut base_image = self.base.with_overlay_mode(OverlayMode::Merge);
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for element in self.elements {
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let mut pos = element.position;
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let mut img: Image = element.into_image()?;
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if pos.0 < 0 {
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img.crop(-pos.0 as u32, 0, size.0, size.1);
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pos.0 = 0;
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}
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if pos.1 < 0 {
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img.crop(0, -pos.1 as u32, size.0, size.1);
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pos.1 = 0;
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}
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base_image.draw(&Paste::new(img.convert()).with_position(pos.0 as u32, pos.1 as u32));
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}
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let mut buf = Vec::<u8>::new();
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base_image.encode(ImageFormat::Png, &mut buf).unwrap();
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Ok(buf)
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}
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}
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pub struct Element<T: AsRef<str>, V: AsRef<Path>> {
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position: (i32, i32),
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dimensions: (u32, u32),
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media: Media<T, V>,
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}
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impl<T: AsRef<str>, V: AsRef<Path>> Element<T, V> {
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pub fn new(media: Media<T, V>, position: (i32, i32), dimensions: (u32, u32)) -> Self {
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Self {
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position,
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dimensions,
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media,
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}
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}
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fn into_image(self) -> Result<Image, CowError> {
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match self.media {
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Media::Image(image) => Ok(Image::from_bytes_inferred(image)?.resized(
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self.dimensions.0,
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self.dimensions.1,
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ResizeAlgorithm::Bicubic,
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)),
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Media::Text(text) => Ok(Image::new(
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self.dimensions.0,
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self.dimensions.1,
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Dynamic::Rgba(Rgba::transparent()),
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)
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.with(
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&TextSegment::new(
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&Font::from_reader(File::open(text.font).unwrap(), 12.0).unwrap(),
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text.text,
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Dynamic::Rgba(Rgba::new(
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text.fill.0,
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text.fill.1,
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text.fill.2,
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text.fill.3,
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)),
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)
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.with_size(text.size),
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)),
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}
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}
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}
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pub enum Media<T: AsRef<str>, V: AsRef<Path>> {
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Text(Text<T, V>),
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Image(Vec<u8>),
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}
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pub struct Text<T: AsRef<str>, V: AsRef<Path>> {
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text: T,
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font: V,
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size: f32,
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fill: (u8, u8, u8, u8),
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}
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impl<T: AsRef<str>, V: AsRef<Path>> Text<T, V> {
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pub fn new(text: T, font: V, size: f32, fill: (u8, u8, u8, u8)) -> Self {
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Self {
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text,
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font,
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size,
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fill,
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}
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}
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}
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#[derive(Clone, Debug)]
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pub enum CowError {
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Magick(String),
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Other(String),
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}
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impl From<ril::Error> for CowError {
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fn from(r: ril::Error) -> Self {
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CowError::Other(r.to_string())
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}
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}
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impl From<MagickError> for CowError {
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fn from(m: MagickError) -> Self {
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CowError::Magick(m.0.to_owned())
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}
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}
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#[cfg(test)]
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#[cfg(test)]
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mod tests {
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mod tests {
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#[test]
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#[test]
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Binary file not shown.
Before Width: | Height: | Size: 51 KiB |
Binary file not shown.
Before Width: | Height: | Size: 132 KiB |
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use std::{fs::File, io::Write};
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fn main() {
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println!("Hello, world!");
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use cowgen::{CowError, Element, Text};
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fn main() -> Result<(), CowError> {
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let out = cowgen::Template::new(
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include_bytes!("cow.png").to_vec(),
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vec![
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Element::new(
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cowgen::Media::Text(Text::new(
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"Hello",
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"/usr/share/fonts/TTF/OpenSans-ExtraBold.ttf",
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20.0,
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(0, 0, 0, 128),
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)),
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(0, 0),
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(64, 64),
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),
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Element::new(
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cowgen::Media::Image(include_bytes!("mariah.jpg").to_vec()),
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(200, 400),
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(800, 200),
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),
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],
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)?
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.produce()?;
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let mut f = File::create("out2.png").unwrap();
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f.write_all(&out).unwrap();
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f.flush().unwrap();
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Ok(())
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}
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}
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