From cca66b9ec4e494c1d919bff0f71a820d8afab1fa Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:24:48 +0200
Subject: Adding upstream version 1.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/display/nr-filter-convolve-matrix.h | 75 +++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 src/display/nr-filter-convolve-matrix.h

(limited to 'src/display/nr-filter-convolve-matrix.h')

diff --git a/src/display/nr-filter-convolve-matrix.h b/src/display/nr-filter-convolve-matrix.h
new file mode 100644
index 0000000..8c74b77
--- /dev/null
+++ b/src/display/nr-filter-convolve-matrix.h
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_NR_FILTER_CONVOLVE_MATRIX_H
+#define SEEN_NR_FILTER_CONVOLVE_MATRIX_H
+
+/*
+ * feConvolveMatrix filter primitive renderer
+ *
+ * Authors:
+ *   Felipe Corrêa da Silva Sanches <juca@members.fsf.org>
+ *
+ * Copyright (C) 2007 authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "display/nr-filter-primitive.h"
+#include <vector>
+
+namespace Inkscape {
+namespace Filters {
+
+class FilterSlot;
+
+enum FilterConvolveMatrixEdgeMode {
+    CONVOLVEMATRIX_EDGEMODE_DUPLICATE,
+    CONVOLVEMATRIX_EDGEMODE_WRAP,
+    CONVOLVEMATRIX_EDGEMODE_NONE,
+    CONVOLVEMATRIX_EDGEMODE_ENDTYPE
+};
+
+class FilterConvolveMatrix : public FilterPrimitive {
+public:
+    FilterConvolveMatrix();
+    static FilterPrimitive *create();
+    ~FilterConvolveMatrix() override;
+
+    void render_cairo(FilterSlot &slot) override;
+    void area_enlarge(Geom::IntRect &area, Geom::Affine const &trans) override;
+    double complexity(Geom::Affine const &ctm) override;
+
+    void set_targetY(int coord);
+    void set_targetX(int coord);
+    void set_orderY(int coord);
+    void set_orderX(int coord);
+    void set_kernelMatrix(std::vector<gdouble>& km);
+    void set_bias(double b);
+    void set_divisor(double d);
+    void set_edgeMode(FilterConvolveMatrixEdgeMode mode);    
+    void set_preserveAlpha(bool pa);
+
+    Glib::ustring name() override { return Glib::ustring("Convolve Matrix"); }
+
+private:
+    std::vector<double> kernelMatrix;
+    int targetX, targetY;
+    int orderX, orderY;
+    double divisor, bias;
+    FilterConvolveMatrixEdgeMode edgeMode;
+    bool preserveAlpha;
+};
+
+} /* namespace Filters */
+} /* namespace Inkscape */
+
+#endif /* __NR_FILTER_CONVOLVE_MATRIX_H__ */
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
-- 
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