vscode/imagemarkpengent
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選択モードの追加(独自実装)

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ry.yamafuji 2025-06-07 21:36:54 +09:00
parent 1a2e5ff342
commit 78aaf9edeb
3 changed files with 235 additions and 16 deletions
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5
README.md
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@ -1,4 +1,7 @@
# imagemarkpengent README # imagemarkpengent
![alt text](readme/images/top.png)
This is the README for your extension "imagemarkpengent". After writing up a brief description, we recommend including the following sections. This is the README for your extension "imagemarkpengent". After writing up a brief description, we recommend including the following sections.

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234
src/webviewContent.ts
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@ -28,6 +28,7 @@ export function getWebviewContent(imageSrc: string): string {
<body> <body>
<div id="toolbar"> <div id="toolbar">
<button id="moveBtn" class="active-btn">移動モード</button> <button id="moveBtn" class="active-btn">移動モード</button>
<button id="selectBtn">選択モード</button>
<button id="markBtn">マーク追加(Ctr+左クリック)</button> <button id="markBtn">マーク追加(Ctr+左クリック)</button>
<label>太さ: <label>太さ:
<select id="lineWidth"> <select id="lineWidth">
@ -49,12 +50,13 @@ export function getWebviewContent(imageSrc: string): string {
// UI要素 // UI要素
const moveBtn = document.getElementById('moveBtn'); const moveBtn = document.getElementById('moveBtn');
const selectBtn = document.getElementById('selectBtn');
const markBtn = document.getElementById('markBtn'); const markBtn = document.getElementById('markBtn');
const lineWidthSelect = document.getElementById('lineWidth'); const lineWidthSelect = document.getElementById('lineWidth');
const colorPicker = document.getElementById('colorPicker'); const colorPicker = document.getElementById('colorPicker');
// 状態 // 状態
let mode = 'move'; // 'move' or 'mark' let mode = 'move'; // 'move' or 'mark' or 'select'
let scale = 1; let scale = 1;
let minScale = 0.1; let minScale = 0.1;
let maxScale = 10; let maxScale = 10;
@ -66,6 +68,14 @@ export function getWebviewContent(imageSrc: string): string {
let lastOffsetX = 0; let lastOffsetX = 0;
let lastOffsetY = 0; let lastOffsetY = 0;
let ctrlPressed = false; let ctrlPressed = false;
// 図形移動用
let isMarkMoving = false;
let markMoveStart = null;
let markMoveOrigin = null;
// 図形リサイズ用
let isMarkResizing = false;
let resizeTarget = null; // {mark, handleIndex}
let resizeStart = null; // {x, y, orig}
// マーク（楕円）の配列 // マーク（楕円）の配列
let marks = []; let marks = [];
@ -79,24 +89,54 @@ export function getWebviewContent(imageSrc: string): string {
// UIイベント // UIイベント
moveBtn.onclick = () => setMode('move'); moveBtn.onclick = () => setMode('move');
selectBtn.onclick = () => setMode('select');
markBtn.onclick = () => setMode('mark'); markBtn.onclick = () => setMode('mark');
lineWidthSelect.onchange = () => { markLineWidth = parseInt(lineWidthSelect.value, 10); draw(); }; lineWidthSelect.onchange = () => {
colorPicker.oninput = () => { markColor = colorPicker.value; draw(); }; markLineWidth = parseInt(lineWidthSelect.value, 10);
let changed = false;
for (const mark of marks) {
if (mark.isSelected) {
mark.lineWidth = markLineWidth;
changed = true;
}
}
if (changed) pushUndo();
draw();
};
colorPicker.oninput = () => {
markColor = colorPicker.value;
let changed = false;
for (const mark of marks) {
if (mark.isSelected) {
mark.color = markColor;
changed = true;
}
}
if (changed) pushUndo();
draw();
};
function setMode(newMode) { function setMode(newMode) {
mode = newMode; mode = newMode;
moveBtn.classList.remove('active-btn');
selectBtn.classList.remove('active-btn');
markBtn.classList.remove('active-btn');
if (mode === 'move') { if (mode === 'move') {
moveBtn.classList.add('active-btn'); moveBtn.classList.add('active-btn');
markBtn.classList.remove('active-btn');
canvas.style.cursor = 'grab'; canvas.style.cursor = 'grab';
} else if (mode === 'select') {
selectBtn.classList.add('active-btn');
canvas.style.cursor = 'pointer';
} else { } else {
moveBtn.classList.remove('active-btn');
markBtn.classList.add('active-btn'); markBtn.classList.add('active-btn');
canvas.style.cursor = 'crosshair'; canvas.style.cursor = 'crosshair';
} }
// プレビュー消去
tempMark = null; tempMark = null;
markStart = null; markStart = null;
// 選択解除
if (mode !== 'select') {
for (const mark of marks) mark.isSelected = false;
}
draw(); draw();
} }
@ -112,6 +152,19 @@ export function getWebviewContent(imageSrc: string): string {
if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'z') { if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'z') {
undo(); undo();
} }
if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'y') {
redo();
}
// 選択モードでDeleteキー
if (mode === 'select' && (e.key === 'Delete' || e.key === 'Backspace')) {
const before = marks.length;
const newMarks = marks.filter(m => !m.isSelected);
if (newMarks.length !== marks.length) {
pushUndo();
marks = newMarks;
draw();
}
}
}); });
window.addEventListener('keyup', (e) => { window.addEventListener('keyup', (e) => {
if (e.key === 'Control') { if (e.key === 'Control') {
@ -147,6 +200,10 @@ export function getWebviewContent(imageSrc: string): string {
// マークをすべて描画 // マークをすべて描画
for (const mark of marks) { for (const mark of marks) {
drawEllipse(mark.x1, mark.y1, mark.x2, mark.y2, mark.color, mark.lineWidth); drawEllipse(mark.x1, mark.y1, mark.x2, mark.y2, mark.color, mark.lineWidth);
if (mark.isSelected) {
drawEllipse(mark.x1, mark.y1, mark.x2, mark.y2, '#1976d2', (mark.lineWidth + 4), true);
drawResizeHandles(mark);
}
} }
// プレビュー中のマーク // プレビュー中のマーク
if (tempMark) { if (tempMark) {
@ -171,6 +228,42 @@ export function getWebviewContent(imageSrc: string): string {
ctx.restore(); ctx.restore();
} }
// リサイズハンドル描画
function drawResizeHandles(mark) {
const handles = getHandlePositions(mark);
for (const h of handles) {
ctx.save();
ctx.beginPath();
ctx.rect(h.x - 5, h.y - 5, 10, 10);
ctx.fillStyle = '#fff';
ctx.strokeStyle = '#1976d2';
ctx.lineWidth = 2 / scale;
ctx.fill();
ctx.stroke();
ctx.restore();
}
}
// 四隅のハンドル座標取得
function getHandlePositions(mark) {
return [
{ x: mark.x1, y: mark.y1 }, // 左上
{ x: mark.x2, y: mark.y1 }, // 右上
{ x: mark.x2, y: mark.y2 }, // 右下
{ x: mark.x1, y: mark.y2 }, // 左下
];
}
// ハンドル上か判定
function getHandleAt(x, y, mark) {
const handles = getHandlePositions(mark);
for (let i = 0; i < handles.length; i++) {
const h = handles[i];
if (Math.abs(x - h.x) < 10 / scale && Math.abs(y - h.y) < 10 / scale) {
return i;
}
}
return -1;
}
// ホイールでズーム // ホイールでズーム
canvas.addEventListener('wheel', (e) => { canvas.addEventListener('wheel', (e) => {
e.preventDefault(); e.preventDefault();
@ -188,7 +281,7 @@ export function getWebviewContent(imageSrc: string): string {
draw(); draw();
}, { passive: false }); }, { passive: false });
// --- マーク追加モード or Ctrl+ドラッグで楕円追加 --- // --- マーク追加モード or Ctrl+ドラッグで楕円追加 or 選択モードで選択 ---
canvas.addEventListener('mousedown', (e) => { canvas.addEventListener('mousedown', (e) => {
const rect = canvas.getBoundingClientRect(); const rect = canvas.getBoundingClientRect();
const x = (e.clientX - rect.left - offsetX) / scale; const x = (e.clientX - rect.left - offsetX) / scale;
@ -198,7 +291,59 @@ export function getWebviewContent(imageSrc: string): string {
markStart = { x1: x, y1: y }; markStart = { x1: x, y1: y };
tempMark = { x1: x, y1: y, x2: x, y2: y, color: markColor, lineWidth: markLineWidth }; tempMark = { x1: x, y1: y, x2: x, y2: y, color: markColor, lineWidth: markLineWidth };
} }
} else if (mode === 'select') {
// 先にリサイズハンドル判定
let resized = false;
for (const mark of marks) {
if (mark.isSelected) {
const handleIdx = getHandleAt(x, y, mark);
if (handleIdx !== -1) {
isMarkResizing = true;
resizeTarget = { mark, handleIdx };
resizeStart = { x, y, orig: { x1: mark.x1, y1: mark.y1, x2: mark.x2, y2: mark.y2 } };
resized = true;
break;
}
}
}
if (resized) return;
// 既存マークの選択判定
let found = false;
for (let i = marks.length - 1; i >= 0; i--) { // 上に描画されているもの優先
const mark = marks[i];
if (isPointInEllipse(x, y, mark)) {
for (const m of marks) m.isSelected = false;
mark.isSelected = true;
found = true;
// 選択中マークの移動開始
isMarkMoving = true;
markMoveStart = { x, y };
// 複数選択対応のため配列で保存
markMoveOrigin = marks.filter(m => m.isSelected).map(m => ({ x1: m.x1, y1: m.y1, x2: m.x2, y2: m.y2 }));
break;
}
}
if (!found) {
for (const m of marks) m.isSelected = false;
isMarkMoving = false;
markMoveStart = null;
markMoveOrigin = null;
}
draw();
} else if (mode === 'move') { } else if (mode === 'move') {
// 追加: マーク上なら選択モードに切り替え
let found = false;
for (let i = marks.length - 1; i >= 0; i--) {
const mark = marks[i];
if (isPointInEllipse(x, y, mark)) {
for (const m of marks) m.isSelected = false;
mark.isSelected = true;
setMode('select');
found = true;
break;
}
}
if (!found) {
isDragging = true; isDragging = true;
dragStartX = e.clientX; dragStartX = e.clientX;
dragStartY = e.clientY; dragStartY = e.clientY;
@ -206,6 +351,7 @@ export function getWebviewContent(imageSrc: string): string {
lastOffsetY = offsetY; lastOffsetY = offsetY;
canvas.style.cursor = 'grabbing'; canvas.style.cursor = 'grabbing';
} }
}
}); });
window.addEventListener('mousemove', (e) => { window.addEventListener('mousemove', (e) => {
const rect = canvas.getBoundingClientRect(); const rect = canvas.getBoundingClientRect();
@ -214,6 +360,42 @@ export function getWebviewContent(imageSrc: string): string {
if ((mode === 'mark' || ctrlPressed) && markStart) { if ((mode === 'mark' || ctrlPressed) && markStart) {
tempMark = { x1: markStart.x1, y1: markStart.y1, x2: x, y2: y, color: markColor, lineWidth: markLineWidth }; tempMark = { x1: markStart.x1, y1: markStart.y1, x2: x, y2: y, color: markColor, lineWidth: markLineWidth };
draw(); draw();
} else if (mode === 'select' && isMarkResizing && resizeTarget && resizeStart) {
// リサイズ処理
const { mark, handleIdx } = resizeTarget;
const dx = x - resizeStart.x;
const dy = y - resizeStart.y;
// ハンドルごとに座標を調整
let { x1, y1, x2, y2 } = resizeStart.orig;
if (handleIdx === 0) { // 左上
mark.x1 = x1 + dx;
mark.y1 = y1 + dy;
} else if (handleIdx === 1) { // 右上
mark.x2 = x2 + dx;
mark.y1 = y1 + dy;
} else if (handleIdx === 2) { // 右下
mark.x2 = x2 + dx;
mark.y2 = y2 + dy;
} else if (handleIdx === 3) { // 左下
mark.x1 = x1 + dx;
mark.y2 = y2 + dy;
}
draw();
} else if (mode === 'select' && isMarkMoving && markMoveStart && markMoveOrigin) {
// 選択中図形の移動
const dx = x - markMoveStart.x;
const dy = y - markMoveStart.y;
let idx = 0;
for (let i = 0; i < marks.length; i++) {
if (marks[i].isSelected) {
const orig = markMoveOrigin[idx++];
marks[i].x1 = orig.x1 + dx;
marks[i].y1 = orig.y1 + dy;
marks[i].x2 = orig.x2 + dx;
marks[i].y2 = orig.y2 + dy;
}
}
draw();
} else if (mode === 'move' && isDragging) { } else if (mode === 'move' && isDragging) {
offsetX = lastOffsetX + (e.clientX - dragStartX); offsetX = lastOffsetX + (e.clientX - dragStartX);
offsetY = lastOffsetY + (e.clientY - dragStartY); offsetY = lastOffsetY + (e.clientY - dragStartY);
@ -224,12 +406,24 @@ export function getWebviewContent(imageSrc: string): string {
if ((mode === 'mark' || ctrlPressed) && markStart && tempMark) { if ((mode === 'mark' || ctrlPressed) && markStart && tempMark) {
if (Math.abs(tempMark.x2 - tempMark.x1) >= 2 / scale && Math.abs(tempMark.y2 - tempMark.y1) >= 2 / scale) { if (Math.abs(tempMark.x2 - tempMark.x1) >= 2 / scale && Math.abs(tempMark.y2 - tempMark.y1) >= 2 / scale) {
pushUndo(); pushUndo();
marks.push({ ...tempMark }); marks.push({ ...tempMark, isSelected: false });
} }
markStart = null; markStart = null;
tempMark = null; tempMark = null;
if (mode === 'mark') setMode('move'); if (mode === 'mark') setMode('move');
draw(); draw();
} else if (mode === 'select' && isMarkResizing) {
isMarkResizing = false;
resizeTarget = null;
resizeStart = null;
pushUndo();
draw();
} else if (mode === 'select' && isMarkMoving) {
isMarkMoving = false;
markMoveStart = null;
markMoveOrigin = null;
pushUndo();
draw();
} else if (mode === 'move' && isDragging) { } else if (mode === 'move' && isDragging) {
isDragging = false; isDragging = false;
canvas.style.cursor = 'grab'; canvas.style.cursor = 'grab';
@ -237,19 +431,41 @@ export function getWebviewContent(imageSrc: string): string {
}); });
let undoStack = []; let undoStack = [];
let redoStack = [];
function pushUndo() { function pushUndo() {
undoStack.push(JSON.stringify(marks)); undoStack.push(JSON.stringify(marks));
if (undoStack.length > 100) undoStack.shift(); if (undoStack.length > 100) undoStack.shift();
redoStack = []; // Undoした後に新しい操作があればRedo履歴は消す
} }
function undo() { function undo() {
if (undoStack.length > 0) { if (undoStack.length > 1) {
redoStack.push(JSON.stringify(marks));
marks = JSON.parse(undoStack.pop()); marks = JSON.parse(undoStack.pop());
draw(); draw();
} }
} }
function redo() {
if (redoStack.length > 0) {
undoStack.push(JSON.stringify(marks));
marks = JSON.parse(redoStack.pop());
draw();
}
}
// 楕円内判定関数
function isPointInEllipse(px, py, mark) {
const cx = (mark.x1 + mark.x2) / 2;
const cy = (mark.y1 + mark.y2) / 2;
const rx = Math.abs(mark.x2 - mark.x1) / 2;
const ry = Math.abs(mark.y2 - mark.y1) / 2;
if (rx < 1e-2 || ry < 1e-2) return false;
return ((px - cx) ** 2) / (rx ** 2) + ((py - cy) ** 2) / (ry ** 2) <= 1;
}
// 初期リサイズ // 初期リサイズ
resizeCanvas(); resizeCanvas();
// 最初の状態をundoStackにpush
pushUndo();
</script> </script>
</body> </body>
</html> </html>