Fix for issue #11, added C++ guards

example/demo.h

@@ -3,6 +3,10 @@
 
 #include "nanovg.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct DemoData {
 	int fontNormal, fontBold, fontIcons; 
 	int images[12];
@@ -23,4 +27,8 @@ void initFPS(struct FPScounter* fps);
 void updateFPS(struct FPScounter* fps, float frameTime);
 void renderFPS(struct NVGcontext* vg, float x, float y, struct FPScounter* fps);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif // WIDGETS_H

src/nanovg.h

@@ -19,10 +19,25 @@
 #ifndef NANOVG_H
 #define NANOVG_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define NVG_PI 3.14159265358979323846264338327f
 
 struct NVGcontext;
-struct NVGpaint;
+
+struct NVGpaint
+{
+	float xform[6];
+	float extent[2];
+	float radius;
+	float feather;
+	unsigned int innerColor;
+	unsigned int outerColor;
+	int image;
+	int repeat;
+};
 
 enum NVGwinding {
 	NVG_CCW = 1,			// Winding for solid shapes
@@ -355,18 +370,6 @@ enum NVGtexture {
 	NVG_TEXTURE_RGBA = 0x02,
 };
 
-struct NVGpaint
-{
-	float xform[6];
-	float extent[2];
-	float radius;
-	float feather;
-	unsigned int innerColor;
-	unsigned int outerColor;
-	int image;
-	int repeat;
-};
-
 struct NVGscissor
 {
 	float xform[6];
@@ -410,5 +413,8 @@ struct NVGcontext* nvgCreateInternal(struct NVGparams* params);
 void nvgDeleteInternal(struct NVGcontext* ctx);
 
 
+#ifdef __cplusplus
+}
+#endif
 
 #endif // NANOVG_H

src/nanovg_gl2.h

@@ -18,9 +18,17 @@
 #ifndef NANOVG_GL2_H
 #define NANOVG_GL2_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct NVGcontext* nvgCreateGL2();
 void nvgDeleteGL2(struct NVGcontext* ctx);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
 #ifdef NANOVG_GL2_IMPLEMENTATION
@@ -522,7 +530,7 @@ static void glnvg__renderFill(void* uptr, struct NVGpaint* paint, struct NVGscis
 		glDisable(GL_TEXTURE_2D);
 
 	} else {
-		
+
 		glEnable(GL_CULL_FACE);
 
 		glEnableClientState(GL_VERTEX_ARRAY);

src/nanovg_gl3.h

@@ -18,9 +18,17 @@
 #ifndef NANOVG_GL3_H
 #define NANOVG_GL3_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct NVGcontext* nvgCreateGL3();
 void nvgDeleteGL3(struct NVGcontext* ctx);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
 #ifdef NANOVG_GL3_IMPLEMENTATION