svg-filters: init

crates/svg-filters/src/types/nodes/primitives/blend.rs

@@ -0,0 +1,25 @@
+/// [feBlend](https://www.w3.org/TR/SVG11/filters.html#feBlendElement)
+pub struct Blend {
+    mode: BlendMode,
+}
+
+/// as according to https://drafts.fxtf.org/compositing-1/#blending
+enum BlendMode {
+    Normal,
+    Multiply,
+    Screen,
+    Overlay,
+    Darken,
+    Lighten,
+    ColorDodge,
+    ColorBurn,
+    HardLight,
+    SoftLight,
+    Difference,
+    Exclusion,
+
+    Hue,
+    Saturation,
+    Color,
+    Luminosity,
+}

crates/svg-filters/src/types/nodes/primitives/color_matrix.rs

@@ -0,0 +1,19 @@
+/// [feColorMatrix](https://www.w3.org/TR/SVG11/filters.html#feColorMatrixElement)
+pub struct ColorMatrix {
+    cm_type: ColorMatrixType,
+}
+
+enum ColorMatrixType {
+    Matrix {
+        values: [f32; 20],
+    },
+    Saturate {
+        // is the values attribute anyway tho
+        value: f32,
+    },
+    HueRotate {
+        // also the values attribute
+        degrees: f32,
+    },
+    LuminanceToAlpha,
+}

crates/svg-filters/src/types/nodes/primitives/component_transfer.rs

@@ -0,0 +1,27 @@
+/// [feComponentTransfer](https://www.w3.org/TR/SVG11/filters.html#feComponentTransferElement)
+pub struct ComponentTransfer {
+    func_r: TransferFunction,
+    func_g: TransferFunction,
+    func_b: TransferFunction,
+    func_a: TransferFunction,
+}
+
+/// [transfer functions](https://www.w3.org/TR/SVG11/filters.html#transferFuncElements)
+enum TransferFunction {
+    Identity,
+    Table {
+        table_values: Vec<f32>,
+    },
+    Discrete {
+        table_values: Vec<f32>,
+    },
+    Linear {
+        slope: f32,
+        intercept: f32,
+    },
+    Gamma {
+        amplitude: f32,
+        exponent: f32,
+        offset: f32,
+    },
+}

crates/svg-filters/src/types/nodes/primitives/composite.rs

@@ -0,0 +1,13 @@
+/// [feComposite](https://www.w3.org/TR/SVG11/filters.html#feCompositeElement)
+pub struct Composite {
+    operator: CompositeOperator,
+}
+
+enum CompositeOperator {
+    Over,
+    In,
+    Out,
+    Atop,
+    Xor,
+    Arithmetic { k1: f32, k2: f32, k3: f32, k4: f32 },
+}

crates/svg-filters/src/types/nodes/primitives/convolve_matrix.rs

@@ -0,0 +1,18 @@
+pub struct ConvolveMatrix {
+    order: (u16, u16),
+    // must be checked to be `order.0 * order.1`
+    kernel_matrix: Vec<f32>,
+    divisor: f32,
+    bias: f32,
+    target_x: i32,
+    target_y: i32,
+    edge_mode: EdgeMode,
+    kernel_unit_length: (f32, f32),
+    preserve_alpha: bool,
+}
+
+enum EdgeMode {
+    None,
+    Duplicate,
+    Wrap,
+}

crates/svg-filters/src/types/nodes/primitives/diffuse_lighting.rs

@@ -0,0 +1,2 @@
+// TODO
+pub struct DiffuseLighting;

crates/svg-filters/src/types/nodes/primitives/displacement_map.rs

@@ -0,0 +1,13 @@
+/// [feDisplacementMap](https://www.w3.org/TR/SVG11/filters.html#feDisplacementMapElement)
+pub struct DisplacementMap {
+    scale: f32,
+    x_channel_selector: Channel,
+    y_channel_selector: Channel,
+}
+
+enum Channel {
+    A,
+    R,
+    G,
+    B,
+}

crates/svg-filters/src/types/nodes/primitives/flood.rs

@@ -0,0 +1,7 @@
+use csscolorparser::Color;
+
+/// [feFlood](https://www.w3.org/TR/SVG11/filters.html#feFloodElement)
+pub struct Flood {
+    flood_color: Color,
+    flood_opacity: f32,
+}

crates/svg-filters/src/types/nodes/primitives/gaussian_blur.rs

@@ -0,0 +1,4 @@
+/// [feGaussianBlur](https://www.w3.org/TR/SVG11/filters.html#feGaussianBlurElement)
+pub struct GaussianBlur {
+    std_deviation: (f32, f32),
+}

crates/svg-filters/src/types/nodes/primitives/image.rs

@@ -0,0 +1,2 @@
+// TODO
+pub struct Image;

crates/svg-filters/src/types/nodes/primitives/merge.rs

@@ -0,0 +1,2 @@
+// TODO
+pub struct Merge;

crates/svg-filters/src/types/nodes/primitives/morphology.rs

@@ -0,0 +1,10 @@
+/// [feMorphology](https://www.w3.org/TR/SVG11/filters.html#feMorphologyElement)
+pub struct Morphology {
+    operator: Operator,
+    radius: (f32, f32),
+}
+
+enum Operator {
+    Erode,
+    Dilate,
+}

crates/svg-filters/src/types/nodes/primitives/offset.rs

@@ -0,0 +1,5 @@
+/// [feOffset](https://www.w3.org/TR/SVG11/filters.html#feOffsetElement)
+pub struct Offset {
+    dx: f32,
+    dy: f32,
+}

crates/svg-filters/src/types/nodes/primitives/specular_lighting.rs

@@ -0,0 +1,2 @@
+// TODO
+pub struct SpecularLighting;

crates/svg-filters/src/types/nodes/primitives/tile.rs

@@ -0,0 +1,2 @@
+/// [feTile](https://www.w3.org/TR/SVG11/filters.html#feTileElement)
+pub struct Tile;

crates/svg-filters/src/types/nodes/primitives/turbulence.rs

@@ -0,0 +1,18 @@
+/// [feTurbulence](https://www.w3.org/TR/SVG11/filters.html#feTurbulenceElement)
+pub struct Turbulence {
+    base_frequency: (f32, f32),
+    num_octaves: (u16),
+    seed: u32,
+    stich_tiles: StitchTiles,
+    // attr name: type
+    noise_type: NoiseType,
+}
+
+enum StitchTiles {
+    Stitch,
+    NoStitch,
+}
+enum NoiseType {
+    Turbulence,
+    FractalNoise,
+}