Method showError

pixelizer.js:1153–1183

(message)

    }

    showError(message) {
        // 创建更好的错误显示
        const errorDiv = document.createElement('div');
        errorDiv.className = 'error-message';
        errorDiv.style.cssText = `
            position: fixed;
            top: 20px;
            right: 20px;
            background: #f44336;
            color: white;
            padding: 16px 24px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(244, 67, 54, 0.3);
            z-index: 1000;
            max-width: 400px;
            font-size: 14px;
            line-height: 1.4;
        `;
        errorDiv.textContent = message;
        
        document.body.appendChild(errorDiv);
        
        // 3秒后自动消失
        setTimeout(() => {
            if (errorDiv.parentNode) {
                errorDiv.parentNode.removeChild(errorDiv);
            }
        }, 3000);
        
        this.hideProgress();
    }

    showSuccess(message) {
        // 创建成功提示