Implement splash screen feature.

deps/moxcms/src/conversions/md_luts_factory.rs

@@ -0,0 +1,188 @@
+/*
+ * // Copyright (c) Radzivon Bartoshyk 6/2025. All rights reserved.
+ * //
+ * // Redistribution and use in source and binary forms, with or without modification,
+ * // are permitted provided that the following conditions are met:
+ * //
+ * // 1.  Redistributions of source code must retain the above copyright notice, this
+ * // list of conditions and the following disclaimer.
+ * //
+ * // 2.  Redistributions in binary form must reproduce the above copyright notice,
+ * // this list of conditions and the following disclaimer in the documentation
+ * // and/or other materials provided with the distribution.
+ * //
+ * // 3.  Neither the name of the copyright holder nor the names of its
+ * // contributors may be used to endorse or promote products derived from
+ * // this software without specific prior written permission.
+ * //
+ * // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+use crate::conversions::LutBarycentricReduction;
+use crate::conversions::katana::{
+    CopyAlphaStage, InjectAlphaStage, Katana, KatanaInitialStage, KatanaIntermediateStage,
+    KatanaPostFinalizationStage, KatanaStageLabToXyz, KatanaStageXyzToLab,
+    katana_create_rgb_lin_lut, katana_input_make_lut_nx3, katana_multi_dimensional_3xn_to_device,
+    katana_multi_dimensional_nx3_to_pcs, katana_output_make_lut_3xn, katana_pcs_lab_v2_to_v4,
+    katana_pcs_lab_v4_to_v2, katana_prepare_inverse_lut_rgb_xyz,
+};
+use crate::{
+    CmsError, ColorProfile, DataColorSpace, GammaLutInterpolate, Layout, LutWarehouse,
+    PointeeSizeExpressible, TransformExecutor, TransformOptions,
+};
+use num_traits::AsPrimitive;
+
+pub(crate) fn do_any_to_any<
+    T: Copy
+        + Default
+        + AsPrimitive<f32>
+        + Send
+        + Sync
+        + AsPrimitive<usize>
+        + PointeeSizeExpressible
+        + GammaLutInterpolate,
+    const BIT_DEPTH: usize,
+    const LINEAR_CAP: usize,
+    const GAMMA_LUT: usize,
+>(
+    src_layout: Layout,
+    source: &ColorProfile,
+    dst_layout: Layout,
+    dest: &ColorProfile,
+    options: TransformOptions,
+) -> Result<Box<dyn TransformExecutor<T> + Send + Sync>, CmsError>
+where
+    f32: AsPrimitive<T>,
+    u32: AsPrimitive<T>,
+    (): LutBarycentricReduction<T, u8>,
+    (): LutBarycentricReduction<T, u16>,
+{
+    let mut stages: Vec<Box<dyn KatanaIntermediateStage<f32> + Send + Sync>> = Vec::new();
+
+    let initial_stage: Box<dyn KatanaInitialStage<f32, T> + Send + Sync> = match source
+        .is_matrix_shaper()
+    {
+        true => {
+            let state =
+                katana_create_rgb_lin_lut::<T, BIT_DEPTH, LINEAR_CAP>(src_layout, source, options)?;
+            stages.extend(state.stages);
+            state.initial_stage
+        }
+        false => match source.get_device_to_pcs(options.rendering_intent).ok_or(
+            CmsError::UnsupportedLutRenderingIntent(source.rendering_intent),
+        )? {
+            LutWarehouse::Lut(lut) => katana_input_make_lut_nx3::<T>(
+                src_layout,
+                src_layout.channels(),
+                lut,
+                options,
+                source.pcs,
+                BIT_DEPTH,
+            )?,
+            LutWarehouse::Multidimensional(mab) => katana_multi_dimensional_nx3_to_pcs::<T>(
+                src_layout, mab, options, source.pcs, BIT_DEPTH,
+            )?,
+        },
+    };
+
+    stages.push(katana_pcs_lab_v2_to_v4(source));
+    if source.pcs == DataColorSpace::Lab {
+        stages.push(Box::new(KatanaStageLabToXyz::default()));
+    }
+    if dest.pcs == DataColorSpace::Lab {
+        stages.push(Box::new(KatanaStageXyzToLab::default()));
+    }
+    stages.push(katana_pcs_lab_v4_to_v2(dest));
+
+    let final_stage = if dest.has_pcs_to_device_lut() {
+        let pcs_to_device = dest
+            .get_pcs_to_device(options.rendering_intent)
+            .ok_or(CmsError::UnsupportedProfileConnection)?;
+        match pcs_to_device {
+            LutWarehouse::Lut(lut) => katana_output_make_lut_3xn::<T>(
+                dst_layout,
+                lut,
+                options,
+                dest.color_space,
+                BIT_DEPTH,
+            )?,
+            LutWarehouse::Multidimensional(mab) => katana_multi_dimensional_3xn_to_device::<T>(
+                dst_layout, mab, options, dest.pcs, BIT_DEPTH,
+            )?,
+        }
+    } else if dest.is_matrix_shaper() {
+        let state = katana_prepare_inverse_lut_rgb_xyz::<T, BIT_DEPTH, GAMMA_LUT>(
+            dest, dst_layout, options,
+        )?;
+        stages.extend(state.stages);
+        state.final_stage
+    } else {
+        return Err(CmsError::UnsupportedProfileConnection);
+    };
+
+    let mut post_finalization: Vec<Box<dyn KatanaPostFinalizationStage<T> + Send + Sync>> =
+        Vec::new();
+    if let Some(stage) =
+        prepare_alpha_finalizer::<T>(src_layout, source, dst_layout, dest, BIT_DEPTH)
+    {
+        post_finalization.push(stage);
+    }
+
+    Ok(Box::new(Katana::<f32, T> {
+        initial_stage,
+        final_stage,
+        stages,
+        post_finalization,
+    }))
+}
+
+pub(crate) fn prepare_alpha_finalizer<
+    T: Copy
+        + Default
+        + AsPrimitive<f32>
+        + Send
+        + Sync
+        + AsPrimitive<usize>
+        + PointeeSizeExpressible
+        + GammaLutInterpolate,
+>(
+    src_layout: Layout,
+    source: &ColorProfile,
+    dst_layout: Layout,
+    dest: &ColorProfile,
+    bit_depth: usize,
+) -> Option<Box<dyn KatanaPostFinalizationStage<T> + Send + Sync>>
+where
+    f32: AsPrimitive<T>,
+{
+    if (dst_layout == Layout::GrayAlpha && dest.color_space == DataColorSpace::Gray)
+        || (dst_layout == Layout::Rgba || dest.color_space == DataColorSpace::Rgb)
+    {
+        return if (src_layout == Layout::GrayAlpha && source.color_space == DataColorSpace::Gray)
+            || (src_layout == Layout::Rgba || source.color_space == DataColorSpace::Rgb)
+        {
+            Some(Box::new(CopyAlphaStage {
+                src_layout,
+                dst_layout,
+                target_color_space: dest.color_space,
+                _phantom: Default::default(),
+            }))
+        } else {
+            Some(Box::new(InjectAlphaStage {
+                dst_layout,
+                target_color_space: dest.color_space,
+                _phantom: Default::default(),
+                bit_depth,
+            }))
+        };
+    }
+    None
+}