From 64d168f53b0fe70bda77e2ed7bec35f3f0f1af78 Mon Sep 17 00:00:00 2001
From: Alessandro Mauri <alemauri001@gmail.com>
Date: Sat, 25 Oct 2025 17:28:48 +0200
Subject: [PATCH] initial commit

---
 .gitignore            |  1 +
 .gitmodules           |  3 +++
 Makefile              |  4 +++
 libschrift.c3         | 58 +++++++++++++++++++++++++++++++++++++++++++
 manifest.json         |  9 +++++++
 project.json          | 14 +++++++++++
 thirdparty/libschrift |  1 +
 7 files changed, 90 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .gitmodules
 create mode 100644 Makefile
 create mode 100644 libschrift.c3
 create mode 100644 manifest.json
 create mode 100644 project.json
 create mode 160000 thirdparty/libschrift

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..10301e2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.a
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..8d9e7b8
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "thirdparty/libschrift"]
+	path = thirdparty/libschrift
+	url = https://github.com/tomolt/libschrift
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..1de46d5
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+all:
+	make -C thirdparty/libschrift
+	mkdir -p linux-x64
+	cp thirdparty/libschrift/libschrift.a linux-x64/libschrift.a
diff --git a/libschrift.c3 b/libschrift.c3
new file mode 100644
index 0000000..699d296
--- /dev/null
+++ b/libschrift.c3
@@ -0,0 +1,58 @@
+module schrift;
+
+alias SftFont  = void*;
+alias SftUChar = uint;
+alias SftGlyph = uint;
+
+const int SFT_DOWNWARD_Y = 0x01;
+
+struct Sft
+{
+	SftFont   font;
+	double    xScale;
+	double    yScale;
+	double    xOffset;
+	double    yOffset;
+	int       flags;
+}
+
+struct SftLMetrics
+{
+	double ascender;
+	double descender;
+	double lineGap;
+}
+
+struct SftGMetrics
+{
+	double advanceWidth;
+	double leftSideBearing;
+	int    yOffset;
+	int    minWidth;
+	int    minHeight;
+}
+
+struct SftKerning
+{
+	double xShift;
+	double yShift;
+}
+
+struct SftImage
+{
+	void *pixels;
+	int   width;
+	int   height;
+}
+
+extern fn ZString sft_version() @extern("sft_version");
+
+extern fn SftFont loadmem(void* mem, usz size) @extern("sft_loadmem");
+extern fn SftFont loadfile(ZString filename) @extern("sft_loadfile");
+extern fn void freefont(SftFont font) @extern("sft_freefont");
+
+extern fn int lmetrics(Sft* sft, SftLMetrics* metrics) @extern("sft_lmetrics");
+extern fn int lookup(Sft* sft, SftUChar codepoint, SftGlyph* glyph) @extern("sft_lookup");
+extern fn int gmetrics(Sft* sft, SftGlyph glyph, SftGMetrics* metrics) @extern("sft_gmetrics");
+extern fn int kerning(Sft* sft, SftGlyph leftGlyph, SftGlyph rightGlyph, SftKerning* kerning) @extern("sft_kerning");
+extern fn int render(Sft* sft, SftGlyph glyph, SftImage image) @extern("sft_render");
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..efb7f23
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,9 @@
+{
+  "provides" : "schrift",
+  "targets" : {
+    "linux-x64" : {
+      "dependencies" : [],
+      "linked-libraries" : ["schrift", "c"]
+    }
+  }
+}
diff --git a/project.json b/project.json
new file mode 100644
index 0000000..92b049c
--- /dev/null
+++ b/project.json
@@ -0,0 +1,14 @@
+{
+  "langrev": "1",
+  "warnings": [ "no-unused" ],
+  "dependency-search-paths": [ ".." ],
+  "dependencies": [ "schrift" ],
+  "authors": [ "Alessandro Mauri <alemauri001@gmail.com>", "Thomas Oltmann <thomas.oltmann.hhg@gmail.com>" ],
+  "version": "0.1.0",
+  "sources": [ ],
+  "output": "build",
+  "target": "linux-x64",
+  "features": [],
+  "cpu": "generic",
+  "opt": "O0",
+}
diff --git a/thirdparty/libschrift b/thirdparty/libschrift
new file mode 160000
index 0000000..24737d2
--- /dev/null
+++ b/thirdparty/libschrift
@@ -0,0 +1 @@
+Subproject commit 24737d2922b23df4a5692014f5ba03da0c296112