hvif_tools: add recipe

media-gfx/hvif_tools/hvif_tools-1.0.recipe

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+SUMMARY="A toolkit for converting Haiku Vector Icon Format (HVIF) icons to SVG and back"
+DESCRIPTION="A small set of command‑line tools to work with the Haiku Vector Icon Format (HVIF).
+
+hvif2svg:
+	Parses .hvif with header validation.
+	Renders paths (points/curves), shapes, and styles (solid colors and gradients).
+	Supports fills and strokes (via HVIF transformers STROKE/CONTOUR).
+	Linear and radial gradients with gradientTransform; proper stop opacity.
+	Uses HVIF’s internal grid (viewBox 0 0 6528 6528 = 64 × 102 units).
+
+svg2hvif:
+	SVG parsing via NanoSVG (header‑only).
+	Normalizes coordinates to HVIF’s 64 × 64 space and centers content.
+	Converts fill and stroke (caps/joins/miter limit), stroke widths, and opacity.
+	Linear and radial gradients with calculated HVIF gradient transforms.
+	CLI and buffer‑to‑buffer example for embedding into apps/pipelines.
+
+Cross‑platform: Linux, macOS, Windows and Haiku"
+HOMEPAGE="https://github.com/threedeyes/hvif-tools/"
+COPYRIGHT="2005 Gerasim Troeglazov"
+LICENSE="MIT"
+REVISION="1"
+SOURCE_URI="https://github.com/threedeyes/hvif-tools/releases/download/$portVersion/hvif-tools-$portVersion.tar.gz"
+CHECKSUM_SHA256="5388262c4aeb046fe17795c551bed1adacdbfb869750add42f84022f622c9b8e"
+SOURCE_DIR="hvif-tools-$portVersion"
+
+ARCHITECTURES="all"
+
+PROVIDES="
+	hvif_tools = $portVersion
+	cmd:hvif2svg = $portVersion
+	cmd:svg2hvif = $portVersion
+	"
+REQUIRES="
+	haiku
+	"
+
+BUILD_REQUIRES="
+	haiku_devel
+	"
+BUILD_PREREQUIRES="
+	cmd:cmake
+	cmd:gcc
+	cmd:make
+	"
+
+BUILD()
+{
+	cmake -Bbuild -S. -DCMAKE_BUILD_TYPE=Release $cmakeDirArgs
+	make -C build $jobArgs
+}
+
+INSTALL()
+{
+	make -C build install
+}