Add ability to merge generated normals with existing normals, allowin…

…g for the original normal quality to be preserved, while also retaining the benefit of autogenerated normals.

FFXIVLooseTextureCompiler/FFXIVLooseTextureCompiler.csproj

@@ -7,8 +7,8 @@
     <UseWindowsForms>true</UseWindowsForms>
     <ImplicitUsings>enable</ImplicitUsings>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <AssemblyVersion>1.0.0.6</AssemblyVersion>
-    <FileVersion>1.0.0.6</FileVersion>
+    <AssemblyVersion>1.0.0.7</AssemblyVersion>
+    <FileVersion>1.0.0.7</FileVersion>
     <Version>1.0.0.6</Version>
     <RunPostBuildEvent>Always</RunPostBuildEvent>
     <Title>FFXIV Loose Texture Compiler</Title>

FFXIVLooseTextureCompiler/ImageProcessing/Brightness.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVLooseTextureCompiler.ImageProcessing {
+    public class Brightness {
+        public static Bitmap BrightenImage(Bitmap originalImage, float brightness = 1.5f, float contrast = 1.0f, float gamma = 1.0f) {
+            Bitmap adjustedImage = new Bitmap(originalImage.Width, originalImage.Height);
+            float adjustedBrightness = brightness - 1.0f;
+            // create matrix that will brighten and contrast the image
+            float[][] ptsArray ={
+        new float[] {contrast, 0, 0, 0, 0}, // scale red
+        new float[] {0, contrast, 0, 0, 0}, // scale green
+        new float[] {0, 0, contrast, 0, 0}, // scale blue
+        new float[] {0, 0, 0, 1.0f, 0}, // don't scale alpha
+        new float[] {adjustedBrightness, adjustedBrightness, adjustedBrightness, 0, 1}};
+
+            ImageAttributes imageAttributes = new ImageAttributes();
+            imageAttributes.ClearColorMatrix();
+            imageAttributes.SetColorMatrix(new ColorMatrix(ptsArray), ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
+            imageAttributes.SetGamma(gamma, ColorAdjustType.Bitmap);
+            Graphics g = Graphics.FromImage(adjustedImage);
+            g.DrawImage(originalImage, new Rectangle(0, 0, adjustedImage.Width, adjustedImage.Height)
+                , 0, 0, originalImage.Width, originalImage.Height,
+                GraphicsUnit.Pixel, imageAttributes);
+            return adjustedImage;
+        }
+    }
+}