140 lines
5.8 KiB
Python
140 lines
5.8 KiB
Python
# ==========================================
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# 3. PPT 通用工具 (PPT Utilities)
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# ==========================================
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import os
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from loguru import logger
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from utils.font_utils import is_font_available
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from utils.image_utils import get_corrected_image_stream
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def replace_text_in_slide(prs, slide_index, placeholder, text):
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"""在指定幻灯片中替换指定占位符的文本，并保持原有格式"""
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slide = prs.slides[slide_index]
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for shape in slide.shapes:
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if shape.name == placeholder:
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if not shape.has_text_frame:
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continue
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# 1. 保存原有格式
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original_paragraph_formats = []
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for paragraph in shape.text_frame.paragraphs:
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paragraph_format = {
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'alignment': paragraph.alignment,
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'space_before': getattr(paragraph, 'space_before', None),
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'space_after': getattr(paragraph, 'space_after', None),
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'line_spacing': getattr(paragraph, 'line_spacing', None),
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'left_indent': getattr(paragraph, 'left_indent', None),
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'right_indent': getattr(paragraph, 'right_indent', None),
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'first_line_indent': getattr(paragraph, 'first_line_indent', None),
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'font_info': []
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}
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for run in paragraph.runs:
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run_format = {
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'font_name': run.font.name,
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'font_size': run.font.size,
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'bold': run.font.bold,
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'italic': run.font.italic,
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'underline': run.font.underline,
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'color': run.font.color,
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'character_space': getattr(run.font, 'space', None),
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'all_caps': getattr(run.font, 'all_caps', None),
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'small_caps': getattr(run.font, 'small_caps', None)
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}
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paragraph_format['font_info'].append(run_format)
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original_paragraph_formats.append(paragraph_format)
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# 2. 设置新文本
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shape.text = str(text) # 确保是字符串
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# 3. 恢复格式
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for i, paragraph in enumerate(shape.text_frame.paragraphs):
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orig_idx = i if i < len(original_paragraph_formats) else -1
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if not original_paragraph_formats: break
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original_para = original_paragraph_formats[orig_idx]
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# 恢复段落属性
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for attr in ['alignment', 'space_before', 'space_after', 'line_spacing',
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'left_indent', 'right_indent', 'first_line_indent']:
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if original_para[attr] is not None:
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setattr(paragraph, attr, original_para[attr])
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# 恢复字体属性
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for j, run in enumerate(paragraph.runs):
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font_idx = j if j < len(original_para['font_info']) else 0
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if not original_para['font_info']: break
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original_font = original_para['font_info'][font_idx]
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# 字体名称检查与回退
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if original_font['font_name']:
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if is_font_available(original_font['font_name']):
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run.font.name = original_font['font_name']
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else:
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run.font.name = "微软雅黑"
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# 恢复其他字体属性
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if original_font['font_size']: run.font.size = original_font['font_size']
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if original_font['bold']: run.font.bold = original_font['bold']
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if original_font['italic']: run.font.italic = original_font['italic']
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if original_font['underline']: run.font.underline = original_font['underline']
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if original_font['all_caps']: run.font.all_caps = original_font['all_caps']
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if original_font['character_space']:
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try:
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run.font.space = original_font['character_space']
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except:
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pass
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if original_font['color']:
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try:
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if hasattr(original_font['color'], 'rgb'):
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run.font.color.rgb = original_font['color'].rgb
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except:
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pass
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def replace_picture(prs, slide_index, placeholder, img_path):
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"""
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在指定幻灯片中替换指定占位符的图片（包含自动旋转修复）
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参数:
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prs: Presentation 对象
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slide_index: 幻灯片索引 (从0开始)
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placeholder: 占位符名称 (例如 "signature")
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img_path: 图片路径
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"""
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if not os.path.exists(img_path):
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logger.warning(f"警告: 图片路径不存在 {img_path}")
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return
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slide = prs.slides[slide_index]
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sp_tree = slide.shapes._spTree
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target_shape = None
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target_index = -1
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# 1. 先找到目标形状和它的索引
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for i, shape in enumerate(slide.shapes):
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if shape.name == placeholder:
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target_shape = shape
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target_index = i
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break
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if target_shape:
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# 获取原位置信息
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left, top, width, height = target_shape.left, target_shape.top, target_shape.width, target_shape.height
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# 2. 获取修正后的图片流
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img_stream = get_corrected_image_stream(img_path)
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# 3. 移除旧形状
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sp_tree.remove(target_shape._element)
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# 4. 插入新图片 (使用流而不是路径)
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new_shape = slide.shapes.add_picture(img_stream, left, top, width, height)
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# 5. 恢复层级位置 (z-order)
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sp_tree.insert(target_index, new_shape._element) |