From a249a3a9eb067d0bf8f7deb076a547abaef5db04 Mon Sep 17 00:00:00 2001
From: Rubens Cordeiro <zyoncore@hotmail.com>
Date: Mon, 26 Jun 2023 18:54:47 -0300
Subject: [PATCH] Added solarize to MagickImage (#100)

---
 src/magick-image.ts                 | 11 +++++++++++
 tests/magick-image/solarize.spec.ts | 17 +++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 tests/magick-image/solarize.spec.ts

diff --git a/src/magick-image.ts b/src/magick-image.ts
index 6d92da62..0a64ceca 100644
--- a/src/magick-image.ts
+++ b/src/magick-image.ts
@@ -247,6 +247,9 @@ export interface IMagickImage extends IDisposable {
     sigmoidalContrast(contrast: number, midpoint: number): void;
     sigmoidalContrast(contrast: number, midpoint: number, channels: Channels): void;
     splice(geometry: MagickGeometry): void;
+    solarize(): void;
+    solarize(factor: number): void;
+    solarize(factor: Percentage): void;
     statistics(): IStatistics;
     statistics(channels: Channels): IStatistics;
     strip(): void;
@@ -1328,6 +1331,14 @@ export class MagickImage extends NativeInstance implements IMagickImage {
         this._sigmoidalContrast(true, contrast, midpointOrPercentage, channelsOrUndefined)
     }
 
+    solarize(): void
+    solarize(numberOrPercentage: Percentage | number = new Percentage(50)): void {
+        Exception.use(exception => {
+            const factor = typeof numberOrPercentage === "number" ? new Percentage(numberOrPercentage) : numberOrPercentage;
+            ImageMagick._api._MagickImage_Solarize(this._instance, factor.toQuantum(), exception.ptr);
+        });
+    }
+
     splice(geometry: MagickGeometry): void {
         MagickRectangle.use(this, geometry, geometryPtr => {
             Exception.use(exception => {
diff --git a/tests/magick-image/solarize.spec.ts b/tests/magick-image/solarize.spec.ts
new file mode 100644
index 00000000..c913e684
--- /dev/null
+++ b/tests/magick-image/solarize.spec.ts
@@ -0,0 +1,17 @@
+// Copyright Dirk Lemstra https://github.com/dlemstra/magick-wasm.
+// Licensed under the Apache License, Version 2.0.
+
+import { MagickColor } from '../../src/magick-color';
+import { MagickColors } from '../../src/magick-colors';
+import { TestImages } from '../test-images';
+
+describe('MagickImage#solarize', () => {
+    it('should solarize the image', () => {
+        TestImages.Builtin.logo.use(image => {
+            image.solarize();
+            expect(image).toHavePixelWithColor(125, 125, MagickColors.Black);
+            expect(image).toHavePixelWithColor(122, 143, new MagickColor('#007f7f'));
+            expect(image).toHavePixelWithColor(435, 240, new MagickColor('#2e6935'));
+        });
+    });
+});