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add: mask to raster data

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This commit is contained in:
mtvare6
2025-07-12 03:03:59 +05:30
parent a022d654d2
commit 382b1e35d4
1 changed files with 42 additions and 29 deletions
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71
node-graph/gsvg-renderer/src/renderer.rs
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@@ -1021,38 +1021,51 @@ impl GraphicElementRendered for RasterDataTable<CPU> {
base64::engine::general_purpose::STANDARD.encode_string(output, &mut base64_string);
base64_string
});
render.leaf_tag("image", |attributes| {
attributes.push("width", 1.to_string());
attributes.push("height", 1.to_string());
attributes.push("preserveAspectRatio", "none");
attributes.push("href", base64_string);
let matrix = format_transform_matrix(transform);
if !matrix.is_empty() {
attributes.push("transform", matrix);
}
let factor = if render_params.for_mask { 1. } else { instance.alpha_blending.fill };
let opacity = instance.alpha_blending.opacity * factor;
if opacity < 1. {
attributes.push("opacity", opacity.to_string());
}
if instance.alpha_blending.blend_mode != BlendMode::default() {
attributes.push("style", instance.alpha_blending.blend_mode.render());
}
if let Some(mask) = instance.mask {
let uuid = generate_uuid();
let mask_type = if mask.can_reduce_to_clip_path() { MaskType::Clip } else { MaskType::Mask };
let mut svg = SvgRender::new();
mask.render_svg(&mut svg, &render_params.for_clipper());
let render_image = |render: &mut SvgRender| {
render.leaf_tag("image", |attributes| {
attributes.push("width", 1.to_string());
attributes.push("height", 1.to_string());
attributes.push("preserveAspectRatio", "none");
attributes.push("href", base64_string);
let matrix = format_transform_matrix(transform);
if !matrix.is_empty() {
attributes.push("transform", matrix);
}
let factor = if render_params.for_mask { 1. } else { instance.alpha_blending.fill };
let opacity = instance.alpha_blending.opacity * factor;
if opacity < 1. {
attributes.push("opacity", opacity.to_string());
}
if instance.alpha_blending.blend_mode != BlendMode::default() {
attributes.push("style", instance.alpha_blending.blend_mode.render());
}
})
};
write!(&mut attributes.0.svg_defs, r##"{}"##, svg.svg_defs).unwrap();
mask_type.write_to_defs(&mut attributes.0.svg_defs, uuid, svg.svg.to_svg_string());
let id = format!("mask-{}", uuid);
let selector = format!("url(#{id})");
// Unlike path and g elements, the mask attribute of image element is broken and
// behaves differently across different browsers. And so we use g to have it work correctly.
if let Some(mask) = instance.mask {
render.parent_tag(
"g",
|attributes| {
let uuid = generate_uuid();
let mask_type = if mask.can_reduce_to_clip_path() { MaskType::Clip } else { MaskType::Mask };
let mut svg = SvgRender::new();
mask.render_svg(&mut svg, &render_params.for_clipper());
attributes.push(mask_type.to_attribute(), selector);
}
});
write!(&mut attributes.0.svg_defs, r##"{}"##, svg.svg_defs).unwrap();
mask_type.write_to_defs(&mut attributes.0.svg_defs, uuid, svg.svg.to_svg_string());
let id = format!("mask-{}", uuid);
let selector = format!("url(#{id})");
attributes.push(mask_type.to_attribute(), selector);
},
render_image,
);
} else {
render_image(render)
}
}
}