color opacity

src/components/ColorPicker.tsx

@@ -1,6 +1,7 @@
 import { type FC, type InputHTMLAttributes, useState, useRef, useEffect } from 'react'
 import { clx } from '../helpers/utils'
 import Error from './Error'
+import Input from './Input'
 
 type Props = {
     label?: string
@@ -9,17 +10,21 @@ type Props = {
     isNotRequired?: boolean
     value?: string
     onChange?: (value: string) => void
+    opacity?: number
+    onOpacityChange?: (value: number) => void
+    opacityLabel?: string
 } & Omit<InputHTMLAttributes<HTMLInputElement>, 'onChange' | 'value'>
 
 const ColorPicker: FC<Props> = (props: Props) => {
     const [color, setColor] = useState<string>(props.value || '#000000')
+    const [opacityDisplay, setOpacityDisplay] = useState<string>(`${props.opacity ?? 100}`)
     const colorInputRef = useRef<HTMLInputElement>(null)
     const pickerOpenGuardRef = useRef(false)
+    const showOpacity = props.onOpacityChange !== undefined
 
     const inputClass = clx(
         'w-full bg-white h-[34px] text-black block pl-10 pr-10 text-xs rounded-xl border border-border',
         props.readOnly && 'bg-gray-100 border-0 text-description',
-        props.className
     )
 
     const handleColorChange = (event: React.ChangeEvent<HTMLInputElement>) => {
@@ -53,8 +58,31 @@ const ColorPicker: FC<Props> = (props: Props) => {
         }
     }, [props.value])
 
-    return (
-        <div className='w-full'>
+    useEffect(() => {
+        if (props.opacity !== undefined) {
+            setOpacityDisplay(`${props.opacity}`)
+        }
+    }, [props.opacity])
+
+    const handleOpacityChange = (rawValue: string) => {
+        setOpacityDisplay(rawValue)
+        const numValue = parseInt(rawValue, 10)
+        if (!Number.isNaN(numValue) && numValue >= 0 && numValue <= 100) {
+            props.onOpacityChange?.(numValue)
+        }
+    }
+
+    const handleOpacityBlur = (rawValue: string) => {
+        const numValue = parseInt(rawValue, 10) || 0
+        const clampedValue = Math.min(100, Math.max(0, numValue))
+        setOpacityDisplay(`${clampedValue}`)
+        props.onOpacityChange?.(clampedValue)
+    }
+
+    const colorField = (
+        <div
+            className={clx('w-full', showOpacity && 'flex-1')}
+        >
             <label className='text-xs'>
                 {props.label}
             </label>
@@ -115,6 +143,26 @@ const ColorPicker: FC<Props> = (props: Props) => {
                     className='absolute opacity-0 pointer-events-none w-0 h-0'
                 />
             </div>
+        </div>
+    )
+
+    return (
+        <div className={clx('w-full', showOpacity && 'flex gap-3', props.className)}>
+            {colorField}
+            {showOpacity && (
+                <div className='w-28 shrink-0'>
+                    <Input
+                        type='number'
+                        label={props.opacityLabel ?? 'شفافیت'}
+                        className='px-3'
+                        value={opacityDisplay}
+                        onChange={(e) => handleOpacityChange(e.target.value)}
+                        onBlur={(e) => handleOpacityBlur(e.target.value)}
+                        min={0}
+                        max={100}
+                    />
+                </div>
+            )}
 
             {props.error_text && (
                 <Error errorText={props.error_text} />

src/components/EditorTable.tsx

@@ -2,6 +2,7 @@ import React from "react";
 import { Group, Rect, Text } from "react-konva";
 import Konva from "konva";
 import type { EditorObject } from "@/pages/editor/store/editorStore";
+import { getColorWithOpacity } from "@/pages/editor/utils/colorOpacity";
 
 type EditorTableProps = {
   obj: EditorObject;
@@ -80,7 +81,7 @@ const EditorTable = ({ obj, selectedCellId, onCellClick, onCellDblClick, onDragE
                 y={y}
                 width={cellWidth}
                 height={cellHeight}
-                fill={cell.background}
+                fill={getColorWithOpacity(cell.background, cell.backgroundOpacity ?? 100)}
                 stroke={isCellSelected ? "#3b82f6" : stroke || "#808080"}
                 strokeWidth={isCellSelected ? 3 : strokeWidth || 1}
                 cornerRadius={isTopLeft ? [8, 0, 0, 0] : isTopRight ? [0, 8, 0, 0] : 0}

src/pages/editor/components/canvas/usePencilDrawing.ts

@@ -67,6 +67,7 @@ const buildPencilObject = (
   points: DrawPoint[],
   stroke: string,
   strokeWidth: number,
+  opacity: number,
 ): EditorObject => {
   const xs = points.map((p) => p.x);
   const ys = points.map((p) => p.y);
@@ -89,7 +90,7 @@ const buildPencilObject = (
     stroke,
     strokeWidth,
     tension: DEFAULT_TENSION,
-    opacity: 100,
+    opacity,
     rotation: 0,
   };
 };
@@ -100,6 +101,7 @@ export const usePencilDrawing = (stageRef: React.RefObject<Konva.Stage | null>)
   const pointerIdRef = useRef<number | null>(null);
   const strokeRef = useRef("#000000");
   const strokeWidthRef = useRef(3);
+  const opacityRef = useRef(100);
 
   const [drawingState, setDrawingState] = useState<PencilDrawingState>(INITIAL_STATE);
 
@@ -141,7 +143,12 @@ export const usePencilDrawing = (stageRef: React.RefObject<Konva.Stage | null>)
       return;
     }
 
-    const obj = buildPencilObject(points, strokeRef.current, strokeWidthRef.current);
+    const obj = buildPencilObject(
+      points,
+      strokeRef.current,
+      strokeWidthRef.current,
+      opacityRef.current,
+    );
     useEditorStore.getState().commitObjectHistoryBeforeChange();
     addObject(obj);
     reset();
@@ -165,6 +172,7 @@ export const usePencilDrawing = (stageRef: React.RefObject<Konva.Stage | null>)
     (pos: DrawPoint, pointerId: number) => {
       strokeRef.current = defaults.stroke;
       strokeWidthRef.current = defaults.strokeWidth;
+      opacityRef.current = defaults.opacity;
       isDrawingRef.current = true;
       pointerIdRef.current = pointerId;
       pointsRef.current = [pos];

src/pages/editor/components/sidebar/instructions/PencilInstruction.tsx

@@ -22,6 +22,8 @@ const PencilInstruction: FC = () => {
       <ColorPicker
         label="رنگ قلم"
         value={defaults.stroke}
+        opacity={defaults.opacity}
+        onOpacityChange={(value) => updateDefaults({ opacity: value })}
         onChange={(value) => updateDefaults({ stroke: value })}
       />
       <Input

src/pages/editor/components/sidebar/instructions/TextInstruction.tsx

@@ -106,13 +106,6 @@ const TextInstruction: FC = () => {
         }
     };
 
-    // State محلی برای نمایش شفافیت
-    const [opacityDisplay, setOpacityDisplay] = useState<string>(`${formState.opacity}`);
-
-    useEffect(() => {
-        setOpacityDisplay(`${formState.opacity}`);
-    }, [formState.opacity]);
-
 
     return (
         <div>
@@ -164,41 +157,14 @@ const TextInstruction: FC = () => {
                 />
             </div>
 
-            <div className="mt-4 flex flex-col gap-2">
-                <div className="flex gap-3">
-                    <ColorPicker
-                        label="رنگ"
-                        className="flex-1"
-                        value={formState.fill}
-                        onChange={(value) => handleChange("fill", value)}
-                    />
-                    <div className="w-28">
-                        <Input
-                            type="number"
-                            label="شفافیت"
-                            className="px-3"
-                            value={opacityDisplay}
-                            onChange={(e) => {
-                                const value = e.target.value;
-                                setOpacityDisplay(value);
-
-                                // اعمال تغییرات به صورت لایو اگر مقدار معتبر است
-                                const numValue = parseInt(value);
-                                if (!isNaN(numValue) && numValue >= 0 && numValue <= 100) {
-                                    handleChange("opacity", numValue);
-                                }
-                            }}
-                            onBlur={(e) => {
-                                const numValue = parseInt(e.target.value) || 0;
-                                const clampedValue = Math.min(100, Math.max(0, numValue));
-                                setOpacityDisplay(`${clampedValue}`);
-                                handleChange("opacity", clampedValue);
-                            }}
-                            min={0}
-                            max={100}
-                        />
-                    </div>
-                </div>
+            <div className="mt-4">
+                <ColorPicker
+                    label="رنگ"
+                    value={formState.fill}
+                    opacity={formState.opacity}
+                    onOpacityChange={(value) => handleChange("opacity", value)}
+                    onChange={(value) => handleChange("fill", value)}
+                />
             </div>
 
             {/* <div className="mt-4 flex gap-2">

src/pages/editor/components/sidebar/settings/CustomShapeSettings.tsx

@@ -22,6 +22,7 @@ const CustomShapeSettings = ({ selectedObject, onUpdate }: CustomShapeSettingsPr
   };
   const stroke = selectedObject.stroke ?? "#1e40af";
   const strokeWidth = selectedObject.strokeWidth ?? 2;
+  const opacity = selectedObject.opacity ?? 100;
 
   return (
     <div className="space-y-4">
@@ -29,6 +30,8 @@ const CustomShapeSettings = ({ selectedObject, onUpdate }: CustomShapeSettingsPr
         label="رنگ پر"
         value={fill}
         readOnly={fillType === "gradient"}
+        opacity={opacity}
+        onOpacityChange={(value) => onUpdate(selectedObject.id, { opacity: value })}
         onChange={(value) => onUpdate(selectedObject.id, { fill: value })}
       />
 

src/pages/editor/components/sidebar/settings/GridSettings.tsx

@@ -15,6 +15,7 @@ const GridSettings = ({ selectedObject }: GridSettingsProps) => {
         removeRow,
         removeColumn,
         changeCellBackground,
+        changeCellBackgroundOpacity,
         selectedCellId,
     } = useEditorStore();
 
@@ -50,6 +51,12 @@ const GridSettings = ({ selectedObject }: GridSettingsProps) => {
         }
     };
 
+    const handleCellBackgroundOpacityChange = (opacity: number) => {
+        if (selectedCellId && tableDataObj) {
+            changeCellBackgroundOpacity(selectedObject.id, selectedCellId, opacity);
+        }
+    };
+
     const selectedCell = selectedCellId && tableDataObj ? tableDataObj.cells[selectedCellId] : null;
 
     return (
@@ -111,6 +118,8 @@ const GridSettings = ({ selectedObject }: GridSettingsProps) => {
                     <ColorPicker
                         label="رنگ پس‌زمینه سلول"
                         value={selectedCell.background}
+                        opacity={selectedCell.backgroundOpacity ?? 100}
+                        onOpacityChange={handleCellBackgroundOpacityChange}
                         onChange={handleCellBackgroundChange}
                     />
                 </div>

src/pages/editor/components/sidebar/settings/LineSettings.tsx

@@ -13,6 +13,10 @@ const LineSettings = ({ selectedObject, onUpdate }: LineSettingsProps) => {
             <ColorPicker
                 label="رنگ خط"
                 value={selectedObject.stroke || "#000000"}
+                opacity={selectedObject.opacity ?? 100}
+                onOpacityChange={(value) =>
+                    onUpdate(selectedObject.id, { opacity: value })
+                }
                 onChange={(value) => onUpdate(selectedObject.id, { stroke: value })}
             />
             <Input

src/pages/editor/components/sidebar/settings/LinkSettings.tsx

@@ -51,6 +51,10 @@ const LinkSettings = ({ selectedObject, onUpdate }: LinkSettingsProps) => {
             <ColorPicker
                 label="رنگ متن"
                 value={selectedObject.fill || "#0000ff"}
+                opacity={selectedObject.opacity ?? 100}
+                onOpacityChange={(value) =>
+                    onUpdate(selectedObject.id, { opacity: value })
+                }
                 onChange={(value) => onUpdate(selectedObject.id, { fill: value })}
             />
         </>

src/pages/editor/components/sidebar/settings/ShapeSettings.tsx

@@ -10,6 +10,7 @@ type ShapeSettingsProps = {
 const ShapeSettings = ({ selectedObject, onUpdate }: ShapeSettingsProps) => {
     const baseWidth = selectedObject.width ?? 100;
     const baseHeight = selectedObject.height ?? 100;
+    const baseOpacity = selectedObject.opacity ?? 100;
     const baseFill = selectedObject.fill ?? "#3b82f6";
     const fillType = selectedObject.fillType ?? "solid";
     const gradient = selectedObject.gradient ?? {
@@ -50,6 +51,12 @@ const ShapeSettings = ({ selectedObject, onUpdate }: ShapeSettingsProps) => {
                 label="رنگ پس‌زمینه"
                 value={baseFill}
                 readOnly={fillType === "gradient"}
+                opacity={baseOpacity}
+                onOpacityChange={(value) =>
+                    onUpdate(selectedObject.id, {
+                        opacity: value,
+                    })
+                }
                 onChange={(value) =>
                     onUpdate(selectedObject.id, {
                         fill: value,

src/pages/editor/components/sidebar/settings/TextSettings.tsx

@@ -102,6 +102,10 @@ const TextSettings = ({ selectedObject, onUpdate }: TextSettingsProps) => {
             <ColorPicker
                 label="رنگ متن"
                 value={selectedObject.fill || "#000000"}
+                opacity={selectedObject.opacity ?? 100}
+                onOpacityChange={(value) =>
+                    onUpdate(selectedObject.id, { opacity: value })
+                }
                 onChange={(value) => onUpdate(selectedObject.id, { fill: value })}
             />
         </>

src/pages/editor/components/tools/AbstractShape.tsx

@@ -70,6 +70,7 @@ const AbstractShape = ({ obj, isSelected, onSelect, onUpdate, draggable }: Shape
             strokeWidth={displayStrokeWidth}
             dash={isMask && showGuide ? [10, 5] : undefined}
             rotation={obj.rotation || 0}
+            opacity={(obj.opacity ?? 100) / 100}
             {...blurProps}
             draggable={draggable}
             onClick={(e) => {

src/pages/editor/components/tools/ArrowShape.tsx

@@ -42,6 +42,7 @@ const ArrowShape = ({ obj, isSelected, onSelect, onUpdate, draggable }: ShapePro
             hitStrokeWidth={20}
             perfectDrawEnabled={false}
             rotation={obj.rotation || 0}
+            opacity={(obj.opacity ?? 100) / 100}
             draggable={draggable}
             onClick={(e) => {
                 if (shapeRef.current) {

src/pages/editor/components/tools/CircleShape.tsx

@@ -58,6 +58,7 @@ const CircleShape = ({ obj, isSelected, onSelect, onUpdate, draggable }: ShapePr
             strokeWidth={displayStrokeWidth}
             dash={isMask && showGuide ? [10, 5] : undefined}
             rotation={obj.rotation || 0}
+            opacity={(obj.opacity ?? 100) / 100}
             {...blurProps}
             draggable={draggable}
             onClick={(e) => {

src/pages/editor/components/tools/LineShape.tsx

@@ -26,6 +26,7 @@ const LineShape = ({ obj, onSelect, onUpdate, draggable }: ShapeProps) => {
             hitStrokeWidth={20}
             perfectDrawEnabled={false}
             rotation={obj.rotation || 0}
+            opacity={(obj.opacity ?? 100) / 100}
             draggable={draggable}
             onClick={(e) => {
                 if (shapeRef.current) {

src/pages/editor/components/tools/LinkShape.tsx

@@ -35,6 +35,7 @@ const LinkShape = ({
             fontStyle={fontWeight}
             underline={true}
             rotation={obj.rotation || 0}
+            opacity={(obj.opacity ?? 100) / 100}
             draggable={draggable}
             onClick={(e) => {
                 // در حالت editor، لینک‌ها قابل کلیک نیستند

src/pages/editor/components/tools/RectangleShape.tsx

@@ -68,6 +68,7 @@ const RectangleShape = ({ obj, isSelected, onSelect, onUpdate, draggable }: Shap
       strokeWidth={displayStrokeWidth}
       dash={isMask && showGuide ? [10, 5] : undefined}
       rotation={obj.rotation || 0}
+      opacity={(obj.opacity ?? 100) / 100}
       {...blurProps}
       draggable={draggable}
       onClick={(e) => {

src/pages/editor/components/tools/TextShape.tsx

@@ -10,6 +10,7 @@ import {
   resolveTextMaxWidth,
   usesWrappedLayout,
 } from "@/pages/editor/utils/textStyle";
+import { getColorWithOpacity } from "@/pages/editor/utils/colorOpacity";
 
 const getFontWeight = (fontWeight?: string): string => {
   if (!fontWeight) return "normal";
@@ -38,19 +39,6 @@ const getKonvaFontStyle = (fontWeight?: string): string => {
   return "normal";
 };
 
-const getColorWithOpacity = (fill?: string, opacity?: number): string => {
-  if (!fill) return "#000000";
-  if (opacity === undefined || opacity === 100) return fill;
-
-  const hex = fill.replace("#", "");
-  const r = parseInt(hex.substring(0, 2), 16);
-  const g = parseInt(hex.substring(2, 4), 16);
-  const b = parseInt(hex.substring(4, 6), 16);
-  const alpha = opacity / 100;
-
-  return `rgba(${r}, ${g}, ${b}, ${alpha})`;
-};
-
 const TextShape = ({
   obj,
   onSelect,

src/pages/editor/components/tools/TriangleShape.tsx

@@ -66,6 +66,7 @@ const TriangleShape = ({ obj, isSelected, onSelect, onUpdate, draggable }: Shape
             strokeWidth={displayStrokeWidth}
             dash={isMask && showGuide ? [10, 5] : undefined}
             rotation={obj.rotation || 0}
+            opacity={(obj.opacity ?? 100) / 100}
             {...blurProps}
             draggable={draggable}
             onClick={(e) => {

src/pages/editor/store/editorStore.helpers.ts

@@ -44,6 +44,7 @@ export const createInitialCells = (
         id: cellId,
         text: "",
         background: "#f5f5f5",
+        backgroundOpacity: 100,
         width: cellWidth,
         height: cellHeight,
       };

src/pages/editor/store/editorStore.ts

@@ -127,6 +127,11 @@ type EditorStoreType = {
     cellId: string,
     color: string,
   ) => void;
+  changeCellBackgroundOpacity: (
+    tableId: string,
+    cellId: string,
+    opacity: number,
+  ) => void;
   applyTableResize: (
     tableId: string,
     newWidth: number,
@@ -640,6 +645,7 @@ export const useEditorStore = create<EditorStoreType>((set, get) => {
           id: cellId,
           text: "",
           background: "#f5f5f5",
+          backgroundOpacity: 100,
           width: tableData.cellWidth,
           height: tableData.cellHeight,
         };
@@ -670,6 +676,7 @@ export const useEditorStore = create<EditorStoreType>((set, get) => {
           id: cellId,
           text: "",
           background: "#f5f5f5",
+          backgroundOpacity: 100,
           width: tableData.cellWidth,
           height: tableData.cellHeight,
         };
@@ -776,6 +783,28 @@ export const useEditorStore = create<EditorStoreType>((set, get) => {
         },
       });
     },
+    changeCellBackgroundOpacity: (tableId, cellId, opacity) => {
+      get().commitObjectHistoryBeforeChange();
+      const state = get();
+      const obj = state.objects.find((o) => o.id === tableId);
+      if (!obj || !obj.tableData) return;
+
+      const { tableData } = obj;
+      const updatedCells = {
+        ...tableData.cells,
+        [cellId]: {
+          ...tableData.cells[cellId],
+          backgroundOpacity: Math.min(100, Math.max(0, opacity)),
+        },
+      };
+
+      state.updateObject(tableId, {
+        tableData: {
+          ...tableData,
+          cells: updatedCells,
+        },
+      });
+    },
     applyTableResize: (tableId, newWidth, newHeight) => {
       const state = get();
       const obj = state.objects.find((o) => o.id === tableId);

src/pages/editor/store/editorStore.types.ts

@@ -33,6 +33,8 @@ export type TableCell = {
   id: string;
   text: string;
   background: string;
+  /** شفافیت پس‌زمینه سلول (۰–۱۰۰) */
+  backgroundOpacity?: number;
   width: number;
   height: number;
 };

src/pages/editor/store/pencilDefaultsStore.ts

@@ -3,6 +3,7 @@ import { create } from "zustand";
 export type PencilDefaults = {
   stroke: string;
   strokeWidth: number;
+  opacity: number;
 };
 
 type PencilDefaultsStoreType = {
@@ -14,6 +15,7 @@ export const usePencilDefaultsStore = create<PencilDefaultsStoreType>((set) => (
   defaults: {
     stroke: "#000000",
     strokeWidth: 3,
+    opacity: 100,
   },
   updateDefaults: (updates) =>
     set((state) => ({

src/pages/editor/utils/colorOpacity.ts

@@ -0,0 +1,28 @@
+/** Converts a hex color + 0–100 opacity to rgba (editor/viewer convention). */
+export const getColorWithOpacity = (fill?: string, opacity?: number): string => {
+  if (!fill) return "#000000";
+  if (opacity === undefined || opacity >= 100) return fill;
+
+  const hex = fill.replace("#", "");
+  if (!/^[0-9A-Fa-f]{3,8}$/.test(hex)) return fill;
+
+  const paddedHex =
+    hex.length === 3
+      ? hex
+          .split("")
+          .map((c) => c + c)
+          .join("")
+      : hex.length === 4
+        ? hex
+            .split("")
+            .map((c) => c + c)
+            .join("")
+        : hex.padEnd(6, "0").slice(0, 6);
+
+  const r = parseInt(paddedHex.substring(0, 2), 16);
+  const g = parseInt(paddedHex.substring(2, 4), 16);
+  const b = parseInt(paddedHex.substring(4, 6), 16);
+  const alpha = opacity / 100;
+
+  return `rgba(${r}, ${g}, ${b}, ${alpha})`;
+};

src/pages/viewer/components/BookPage.tsx

@@ -950,7 +950,10 @@ const BookPage = memo(forwardRef<HTMLDivElement, BookPageProps>(
                       key={cellId}
                       style={{
                         border: stroke ? `${(strokeWidth || 1) * scale}px solid ${stroke}` : `${1 * scale}px solid #ccc`,
-                        backgroundColor: cell?.background || '#ffffff',
+                        backgroundColor: getColorWithOpacity(
+                          cell?.background || '#ffffff',
+                          cell?.backgroundOpacity,
+                        ),
                         display: 'flex',
                         alignItems: 'center',
                         justifyContent: 'center',