From 19bdd59547193d0611de99d9ee85682a71f83b29 Mon Sep 17 00:00:00 2001
From: JupiterRider <60042618+JupiterRider@users.noreply.github.com>
Date: Sun, 24 Nov 2024 12:39:13 +0100
Subject: [PATCH] ImageKernelConvolution function added

---
 raylib/raylib_purego.go | 7 +++++++
 raylib/rtextures.go     | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/raylib/raylib_purego.go b/raylib/raylib_purego.go
index 182d4d3..648a7a9 100644
--- a/raylib/raylib_purego.go
+++ b/raylib/raylib_purego.go
@@ -287,6 +287,7 @@ var imageAlphaClear func(image *Image, col uintptr, threshold float32)
 var imageAlphaMask func(image *Image, alphaMask uintptr)
 var imageAlphaPremultiply func(image *Image)
 var imageBlurGaussian func(image *Image, blurSize int32)
+var imageKernelConvolution func(image *Image, kernel []float32, kernelSize int32)
 var imageResize func(image *Image, newWidth int32, newHeight int32)
 var imageResizeNN func(image *Image, newWidth int32, newHeight int32)
 var imageResizeCanvas func(image *Image, newWidth int32, newHeight int32, offsetX int32, offsetY int32, fill uintptr)
@@ -792,6 +793,7 @@ func init() {
 	purego.RegisterLibFunc(&imageAlphaMask, raylibDll, "ImageAlphaMask")
 	purego.RegisterLibFunc(&imageAlphaPremultiply, raylibDll, "ImageAlphaPremultiply")
 	purego.RegisterLibFunc(&imageBlurGaussian, raylibDll, "ImageBlurGaussian")
+	purego.RegisterLibFunc(&imageKernelConvolution, raylibDll, "ImageKernelConvolution")
 	purego.RegisterLibFunc(&imageResize, raylibDll, "ImageResize")
 	purego.RegisterLibFunc(&imageResizeNN, raylibDll, "ImageResizeNN")
 	purego.RegisterLibFunc(&imageResizeCanvas, raylibDll, "ImageResizeCanvas")
@@ -2535,6 +2537,11 @@ func ImageBlurGaussian(image *Image, blurSize int32) {
 	imageBlurGaussian(image, blurSize)
 }
 
+// ImageKernelConvolution - Apply custom square convolution kernel to image
+func ImageKernelConvolution(image *Image, kernel []float32) {
+	imageKernelConvolution(image, kernel, int32(len(kernel)))
+}
+
 // ImageResize - Resize image (Bicubic scaling algorithm)
 func ImageResize(image *Image, newWidth int32, newHeight int32) {
 	imageResize(image, newWidth, newHeight)
diff --git a/raylib/rtextures.go b/raylib/rtextures.go
index f986acd..901fd22 100644
--- a/raylib/rtextures.go
+++ b/raylib/rtextures.go
@@ -381,6 +381,13 @@ func ImageBlurGaussian(image *Image, blurSize int32) {
 	C.ImageBlurGaussian(cimage, cblurSize)
 }
 
+// ImageKernelConvolution - Apply custom square convolution kernel to image
+func ImageKernelConvolution(image *Image, kernel []float32) {
+	cimage := image.cptr()
+	ckernel := (*C.float)(unsafe.Pointer(&kernel[0]))
+	C.ImageKernelConvolution(cimage, ckernel, C.int(len(kernel)))
+}
+
 // ImageResize - Resize an image (bilinear filtering)
 func ImageResize(image *Image, newWidth, newHeight int32) {
 	cimage := image.cptr()