From 579bfa5a27aaab03410ec219c441d238263e5a19 Mon Sep 17 00:00:00 2001
From: Andreas Fankhauser hiddenalpha.ch
Date: Sun, 23 Nov 2025 15:27:27 +0100
Subject: Add some experimental rendering stuff.

---
 include/qntan/Qntan.h | 69 +++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 67 insertions(+), 2 deletions(-)

diff --git a/include/qntan/Qntan.h b/include/qntan/Qntan.h
index 2a44cdf..1b28790 100644
--- a/include/qntan/Qntan.h
+++ b/include/qntan/Qntan.h
@@ -2,7 +2,6 @@
 #define INCGUARD_aM91R0ljMWoqtn7F
 #if 0
 
-
   Qntan - A C module separations framework
 
   http://git.hiddenalpha.ch/qntan.git/tree/README.txt
@@ -18,7 +17,6 @@
          */
     };
 
-
 #endif
 
 #include <stddef.h>  /* size_t */
@@ -83,6 +81,7 @@ struct Qntan_XmlDec_Mentor;
 struct Qntan_HttpClient;
 struct Qntan_HttpClient_Exchg;
 struct Qntan_HttpClient_Exchg_Opts;
+struct Qntan_GfxRenderer;
 struct Qntan_JavaBytecodeParser;
 struct Qntan_JavaBytecodeParser_Mentor;
 struct Qntan_CamtAccount;
@@ -1127,6 +1126,72 @@ struct Qntan_HttpClient {
 
 
 
+#ifndef Qntan_GfxRenderer_setScissor
+#	define Qntan_GfxRenderer_setScissor(A, B, C, D, E) (*A)->setScissor(A, B, C, D, E)
+#endif
+#ifndef Qntan_GfxRenderer_triangleStrip2d
+#	define Qntan_GfxRenderer_triangleStrip2d(A, B, C) (*A)->triangleStrip2d(A, B, C)
+#endif
+#ifndef Qntan_GfxRenderer_triangleStrip2dOneColor
+#	define Qntan_GfxRenderer_triangleStrip2dOneColor(A, B, C, D) (*A)->triangleStrip2dOneColor(A, B, C, D)
+#endif
+#ifndef Qntan_GfxRenderer_circle2dOneColor
+#	define Qntan_GfxRenderer_circle2dOneColor(A, B, C, D, E, F) (*A)->circle2dOneColor(A, B, C, D, E, F)
+#endif
+#ifndef Qntan_GfxRenderer_lineStrip2dOneColor
+#	define Qntan_GfxRenderer_lineStrip2dOneColor(A, B, C, D, E) (*A)->lineStrip2dOneColor(A, B, C, D, E)
+#endif
+
+struct Qntan_GfxRenderer_Vtx2d {
+	float x, y;
+};
+
+struct Qntan_GfxRenderer_Vtx2dColor {
+	float x, y;
+	uint32_t rgba8888;
+};
+
+struct Qntan_GfxRenderer_Mtx4d {
+	float m00, m01, m02, m03;
+	float m10, m11, m12, m13;
+	float m20, m21, m22, m23;
+	float m30, m31, m32, m33;
+};
+
+struct Qntan_GfxRenderer {
+	/* WARN: All around graphics rendering is heavily experimental! Make
+	 * sure you're ready to handle all kind of changes here.
+	 */
+	void (*setScissor)( struct Garbage_Renderer**, int x, int y, int w, int h );
+	/**/
+	void (*triangleStrip2d)( struct Qntan_GfxRenderer**,
+		struct Qntan_GfxRenderer_Vtx2dColor const*vertices, int vertices_cnt );
+	/**/
+	void (*triangleStrip2dOneColor)( struct Qntan_GfxRenderer**,
+		struct Qntan_GfxRenderer_Vtx2d const*vertices, int vertices_cnt, uint32_t rgba8888 );
+	/**/
+	void (*circle2dOneColor)( struct Qntan_GfxRenderer**,
+		int x, int y, int w, int h, uint32_t colorRGBA8888 );
+	/* @param x  NOT center.
+	 * @param y  NOT center.
+	 * @param w  horizontal diameter.
+	 * @param h  vertical diameter.
+	 */
+	void (*lineStrip2dOneColor)( struct Qntan_GfxRenderer**,
+		struct Qntan_GfxRenderer_Vtx2d const*vertices, int vertices_cnt,
+		float lineWidth, uint32_t rgba8888 );
+	/**/
+};
+
+
+
+
+
+
+
+
+
+
 struct Qntan_JavaBytecodeParser {
 	/**/
 	void (*write)(
-- 
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