162 lines
6.4 KiB
Python
162 lines
6.4 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:
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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 [
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"alignment",
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"space_before",
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"space_after",
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"line_spacing",
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"left_indent",
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"right_indent",
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"first_line_indent",
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]:
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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"]:
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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"]:
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run.font.size = original_font["font_size"]
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if original_font["bold"]:
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run.font.bold = original_font["bold"]
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if original_font["italic"]:
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run.font.italic = original_font["italic"]
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if original_font["underline"]:
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run.font.underline = original_font["underline"]
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if original_font["all_caps"]:
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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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logger.error(f"错误: 无法设置字体间距 {original_font['character_space']}")
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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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logger.error(f"错误: 无法设置字体颜色 {original_font['color']}")
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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 = (
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target_shape.left,
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target_shape.top,
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target_shape.width,
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target_shape.height,
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)
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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)
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else:
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logger.warning(f"警告: 幻灯片 {slide_index} 中未找到占位符 {placeholder}")
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