From 3da580e3a98223b17e25a84dce854d477ad5335a Mon Sep 17 00:00:00 2001
From: "Ibrahima G. Coulibaly" <ibracool99@gmail.com>
Date: Tue, 25 Jun 2024 07:44:36 +0100
Subject: [PATCH] feat: create transparent png

---
 .idea/workspace.xml                           |  38 ++---
 src/pages/home/index.tsx                      |   2 +-
 .../image/png/create-transparent/index.tsx    | 156 ++++++++++++++++++
 .../image/png/create-transparent/meta.ts      |  13 ++
 .../image/png/create-transparent/service.ts   |   0
 src/pages/image/png/index.ts                  |   3 +-
 src/pages/number/sum/index.tsx                |   1 -
 7 files changed, 191 insertions(+), 22 deletions(-)
 create mode 100644 src/pages/image/png/create-transparent/index.tsx
 create mode 100644 src/pages/image/png/create-transparent/meta.ts
 create mode 100644 src/pages/image/png/create-transparent/service.ts

diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 4993e59..7da644a 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,15 +4,15 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="b30e2810-c4c1-4aad-b134-794e52cc1c7d" name="Changes" comment="fix: readme">
-      <change afterPath="$PROJECT_DIR$/src/components/ToolInputAndResult.tsx" afterDir="false" />
+    <list default="true" id="b30e2810-c4c1-4aad-b134-794e52cc1c7d" name="Changes" comment="refactor: tool input and result">
+      <change afterPath="$PROJECT_DIR$/src/pages/image/png/create-transparent/index.tsx" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/pages/image/png/create-transparent/meta.ts" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/pages/image/png/create-transparent/service.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/components/options/ToolOptionGroups.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/src/components/options/ToolOptionGroups.tsx" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/pages/image/png/change-colors-in-png/index.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/image/png/change-colors-in-png/index.tsx" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/scripts/create-tool.mjs" beforeDir="false" afterPath="$PROJECT_DIR$/scripts/create-tool.mjs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/pages/home/index.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/home/index.tsx" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/pages/image/png/index.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/image/png/index.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/pages/number/sum/index.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/number/sum/index.tsx" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/pages/string/join/index.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/string/join/index.tsx" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/pages/string/split/index.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/string/split/index.tsx" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/pages/string/to-morse/index.tsx" beforeDir="false" afterPath="$PROJECT_DIR$/src/pages/string/to-morse/index.tsx" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -187,15 +187,7 @@
       <workItem from="1719168519203" duration="17675000" />
       <workItem from="1719197816332" duration="1453000" />
       <workItem from="1719273044735" duration="9847000" />
-      <workItem from="1719294110005" duration="1967000" />
-    </task>
-    <task id="LOCAL-00007" summary="fix: netlify">
-      <option name="closed" value="true" />
-      <created>1718833519062</created>
-      <option name="number" value="00007" />
-      <option name="presentableId" value="LOCAL-00007" />
-      <option name="project" value="LOCAL" />
-      <updated>1718833519062</updated>
+      <workItem from="1719294110005" duration="3709000" />
     </task>
     <task id="LOCAL-00008" summary="fix: index title">
       <option name="closed" value="true" />
@@ -581,7 +573,15 @@
       <option name="project" value="LOCAL" />
       <updated>1719283122691</updated>
     </task>
-    <option name="localTasksCounter" value="56" />
+    <task id="LOCAL-00056" summary="refactor: tool input and result">
+      <option name="closed" value="true" />
+      <created>1719296145698</created>
+      <option name="number" value="00056" />
+      <option name="presentableId" value="LOCAL-00056" />
+      <option name="project" value="LOCAL" />
+      <updated>1719296145699</updated>
+    </task>
+    <option name="localTasksCounter" value="57" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -602,7 +602,6 @@
     <option name="CHECK_CODE_SMELLS_BEFORE_PROJECT_COMMIT" value="false" />
     <option name="CHECK_NEW_TODO" value="false" />
     <option name="ADD_EXTERNAL_FILES_SILENTLY" value="true" />
-    <MESSAGE value="fix: deploy message" />
     <MESSAGE value="chore: tools by category" />
     <MESSAGE value="feat: copy and import file" />
     <MESSAGE value="refactor: tool options components" />
@@ -627,7 +626,8 @@
     <MESSAGE value="chore: printRunningSum" />
     <MESSAGE value="chore: sum tests" />
     <MESSAGE value="fix: readme" />
-    <option name="LAST_COMMIT_MESSAGE" value="fix: readme" />
+    <MESSAGE value="refactor: tool input and result" />
+    <option name="LAST_COMMIT_MESSAGE" value="refactor: tool input and result" />
   </component>
   <component name="XSLT-Support.FileAssociations.UIState">
     <expand />
diff --git a/src/pages/home/index.tsx b/src/pages/home/index.tsx
index 9abf18c..775f7bd 100644
--- a/src/pages/home/index.tsx
+++ b/src/pages/home/index.tsx
@@ -18,7 +18,7 @@ import Button from '@mui/material/Button';
 const exampleTools: { label: string; url: string }[] = [
   {
     label: 'Create a transparent image',
-    url: ''
+    url: '/png/create-transparent'
   },
   { label: 'Convert text to morse code', url: '/string/to-morse' },
   { label: 'Change GIF speed', url: '' },
diff --git a/src/pages/image/png/create-transparent/index.tsx b/src/pages/image/png/create-transparent/index.tsx
new file mode 100644
index 0000000..fd9e3a7
--- /dev/null
+++ b/src/pages/image/png/create-transparent/index.tsx
@@ -0,0 +1,156 @@
+import { Box } from '@mui/material';
+import React, { useEffect, useState } from 'react';
+import * as Yup from 'yup';
+import ToolFileInput from '../../../../components/input/ToolFileInput';
+import ToolFileResult from '../../../../components/result/ToolFileResult';
+import ToolOptions from '../../../../components/options/ToolOptions';
+import { Formik, useFormikContext } from 'formik';
+import ColorSelector from '../../../../components/options/ColorSelector';
+import Color from 'color';
+import TextFieldWithDesc from 'components/options/TextFieldWithDesc';
+import ToolInputAndResult from '../../../../components/ToolInputAndResult';
+import ToolOptionGroups from '../../../../components/options/ToolOptionGroups';
+
+const initialValues = {
+  fromColor: 'white',
+  similarity: '10'
+};
+const validationSchema = Yup.object({
+  // splitSeparator: Yup.string().required('The separator is required')
+});
+export default function ChangeColorsInPng() {
+  const [input, setInput] = useState<File | null>(null);
+  const [result, setResult] = useState<File | null>(null);
+
+  const FormikListenerComponent = ({ input }: { input: File }) => {
+    const { values } = useFormikContext<typeof initialValues>();
+    const { fromColor, similarity } = values;
+
+    useEffect(() => {
+      let fromRgb: [number, number, number];
+      try {
+        //@ts-ignore
+        fromRgb = Color(fromColor).rgb().array();
+      } catch (err) {
+        return;
+      }
+      const processImage = async (
+        file: File,
+        fromColor: [number, number, number],
+        similarity: number
+      ) => {
+        const canvas = document.createElement('canvas');
+        const ctx = canvas.getContext('2d');
+        if (ctx == null) return;
+        const img = new Image();
+
+        img.src = URL.createObjectURL(file);
+        await img.decode();
+
+        canvas.width = img.width;
+        canvas.height = img.height;
+        ctx.drawImage(img, 0, 0);
+
+        const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
+        const data: Uint8ClampedArray = imageData.data;
+
+        const colorDistance = (
+          c1: [number, number, number],
+          c2: [number, number, number]
+        ) => {
+          return Math.sqrt(
+            Math.pow(c1[0] - c2[0], 2) +
+              Math.pow(c1[1] - c2[1], 2) +
+              Math.pow(c1[2] - c2[2], 2)
+          );
+        };
+        const maxColorDistance = Math.sqrt(
+          Math.pow(255, 2) + Math.pow(255, 2) + Math.pow(255, 2)
+        );
+        const similarityThreshold = (similarity / 100) * maxColorDistance;
+
+        for (let i = 0; i < data.length; i += 4) {
+          const currentColor: [number, number, number] = [
+            data[i],
+            data[i + 1],
+            data[i + 2]
+          ];
+          if (colorDistance(currentColor, fromColor) <= similarityThreshold) {
+            data[i + 3] = 0; // Set alpha to 0 (transparent)
+          }
+        }
+
+        ctx.putImageData(imageData, 0, 0);
+
+        canvas.toBlob((blob) => {
+          if (blob) {
+            const newFile = new File([blob], file.name, { type: 'image/png' });
+            setResult(newFile);
+          }
+        }, 'image/png');
+      };
+
+      processImage(input, fromRgb, Number(similarity));
+    }, [input, fromColor]);
+
+    return null;
+  };
+
+  return (
+    <Box>
+      <ToolInputAndResult
+        input={
+          <ToolFileInput
+            value={input}
+            onChange={setInput}
+            accept={['image/png']}
+            title={'Input PNG'}
+          />
+        }
+        result={
+          <ToolFileResult
+            title={'Transparent PNG'}
+            value={result}
+            extension={'png'}
+          />
+        }
+      />
+      <ToolOptions>
+        <Formik
+          initialValues={initialValues}
+          validationSchema={validationSchema}
+          onSubmit={() => {}}
+        >
+          {({ setFieldValue, values }) => (
+            <Box>
+              {input && <FormikListenerComponent input={input} />}
+              <ToolOptionGroups
+                groups={[
+                  {
+                    title: 'From color and similarity',
+                    component: (
+                      <Box>
+                        <ColorSelector
+                          value={values.fromColor}
+                          onChange={(val) => setFieldValue('fromColor', val)}
+                          description={'Replace this color (from color)'}
+                        />
+                        <TextFieldWithDesc
+                          value={values.similarity}
+                          onChange={(val) => setFieldValue('similarity', val)}
+                          description={
+                            'Match this % of similar colors of the from color. For example, 10% white will match white and a little bit of gray.'
+                          }
+                        />
+                      </Box>
+                    )
+                  }
+                ]}
+              />
+            </Box>
+          )}
+        </Formik>
+      </ToolOptions>
+    </Box>
+  );
+}
diff --git a/src/pages/image/png/create-transparent/meta.ts b/src/pages/image/png/create-transparent/meta.ts
new file mode 100644
index 0000000..e9cfefa
--- /dev/null
+++ b/src/pages/image/png/create-transparent/meta.ts
@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+// import image from '@assets/text.png';
+
+export const tool = defineTool('png', {
+  name: 'Create transparent PNG',
+  path: 'create-transparent',
+  // image,
+  description:
+    "World's simplest online Portable Network Graphics transparency maker. Just import your PNG image in the editor on the left and you will instantly get a transparent PNG on the right. Free, quick, and very powerful. Import a PNG – get a transparent PNG.",
+  keywords: ['create', 'transparent'],
+  component: lazy(() => import('./index'))
+});
diff --git a/src/pages/image/png/create-transparent/service.ts b/src/pages/image/png/create-transparent/service.ts
new file mode 100644
index 0000000..e69de29
diff --git a/src/pages/image/png/index.ts b/src/pages/image/png/index.ts
index 1f59860..5cda167 100644
--- a/src/pages/image/png/index.ts
+++ b/src/pages/image/png/index.ts
@@ -1,3 +1,4 @@
+import { tool as pngCreateTransparent } from './create-transparent/meta';
 import { tool as changeColorsInPng } from './change-colors-in-png/meta';
 
-export const pngTools = [changeColorsInPng];
+export const pngTools = [changeColorsInPng, pngCreateTransparent];
diff --git a/src/pages/number/sum/index.tsx b/src/pages/number/sum/index.tsx
index c5c5fd5..4a054f6 100644
--- a/src/pages/number/sum/index.tsx
+++ b/src/pages/number/sum/index.tsx
@@ -1,5 +1,4 @@
 import { Box, Stack } from '@mui/material';
-import Grid from '@mui/material/Grid';
 import React, { useContext, useEffect, useState } from 'react';
 import ToolTextInput from '../../../components/input/ToolTextInput';
 import ToolTextResult from '../../../components/result/ToolTextResult';