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@ -177,7 +177,8 @@ class CanvasWidget(tk.Canvas):
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# 绘制背景图（如果有）
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if self.project.template.bg_image:
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bg_key = id(self.project.template.bg_image)
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# 使用更稳定的缓存键，包含图像的标识和尺寸
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bg_key = (id(self.project.template.bg_image), template_w, template_h, self.zoom)
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if bg_key not in self.image_cache or self.image_cache[bg_key][0] != self.zoom:
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# 缩放背景图并缓存
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scaled_bg = self.project.template.bg_image.resize(
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@ -264,19 +264,35 @@ class MainWindow(tk.Tk):
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"""设置模板"""
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dialog = TemplateDialog(self, self.project.template)
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if dialog.result:
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if dialog.result["type"] == "preset":
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if dialog.result["type"] == "preset_loaded":
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# 直接使用已加载的模板设置，不需要重新创建Template对象
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# 模板已经在对话框中加载完成，只需确保画布刷新
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pass
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elif dialog.result["type"] == "preset":
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# 确保传递所有参数并创建模板
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self.project.template = Template(
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dialog.result["ratio"],
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dialog.result["width"]
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ratio=tuple(dialog.result["ratio"]),
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width_px=dialog.result["width"],
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height_px=dialog.result.get("height")
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)
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# 设置背景颜色
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self.project.template.bg_color = dialog.result["bg_color"]
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# 设置背景图
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if "bg_image" in dialog.result:
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self.project.template.bg_image = dialog.result["bg_image"]
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else:
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self.project.template = Template()
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self.project.template.set_custom_size(
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dialog.result["width"],
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dialog.result["height"]
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)
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# 设置背景颜色
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self.project.template.bg_color = dialog.result["bg_color"]
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# 设置背景图
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if "bg_image" in dialog.result:
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self.project.template.bg_image = dialog.result["bg_image"]
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# 确保更新画布显示
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self.canvas.draw_preview()
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def batch_export(self):
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@ -119,9 +119,13 @@ class ForegroundImage:
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class Template:
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"""模板对象，存储尺寸和背景信息"""
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def __init__(self, ratio=(16, 9), width_px=1200):
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def __init__(self, ratio=(16, 9), width_px=1200, height_px=None):
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self.ratio = ratio
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self.width_px = width_px
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# 如果提供了高度，使用提供的高度，否则根据比例计算
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if height_px is not None:
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self.height_px = height_px
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else:
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self.height_px = int(width_px * ratio[1] / ratio[0])
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self.bg_image = None
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self.bg_color = "#FFFFFF" # 默认白色背景
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@ -159,8 +163,7 @@ class Template:
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@classmethod
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def from_dict(cls, data):
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"""从字典创建对象"""
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template = cls(data["ratio"], data["width_px"])
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template.height_px = data["height_px"]
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template = cls(data["ratio"], data["width_px"], data["height_px"])
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template.bg_color = data.get("bg_color", "#FFFFFF")
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return template
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@ -110,6 +110,8 @@ class TemplateDialog(tk.Toplevel):
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messagebox.showwarning("警告", "请先选择一个预设")
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return
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# 设置标志以避免在刷新界面时更改尺寸
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self._loading_preset = True
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if self.preset_manager.load_preset_to_template(selected_preset, self.current_template):
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# 更新界面显示
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self.refresh_from_template()
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@ -118,6 +120,8 @@ class TemplateDialog(tk.Toplevel):
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messagebox.showinfo("成功", f"已加载预设: {selected_preset}")
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else:
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messagebox.showerror("错误", "加载预设失败")
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# 清除标志
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self._loading_preset = False
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def save_current_as_preset(self):
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"""将当前设置保存为预设"""
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@ -177,6 +181,9 @@ class TemplateDialog(tk.Toplevel):
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self.show_custom_frame()
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else:
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self.hide_custom_frame()
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# 仅在非预设加载情况下设置默认尺寸
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# 当从预设加载时，保持预设的尺寸不变
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if not (hasattr(self, '_loading_preset') and self._loading_preset):
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# 设置默认尺寸
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w, h = map(int, self.ratio_var.get().split(":"))
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self.width_var.set(1920 if w > h else 1080)
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@ -201,6 +208,8 @@ class TemplateDialog(tk.Toplevel):
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if file_path:
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if self.current_template.load_background(file_path):
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self.bg_image_var.set("已设置")
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# 立即刷新画布预览
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self.parent.get_canvas().draw_preview()
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def clear_bg_image(self):
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"""清除背景图"""
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@ -212,7 +221,21 @@ class TemplateDialog(tk.Toplevel):
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# 如果选择了预设，则应用预设
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selected_preset = self.preset_var.get()
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if selected_preset:
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if not self.preset_manager.load_preset_to_template(selected_preset, self.current_template):
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if self.preset_manager.load_preset_to_template(selected_preset, self.current_template):
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# 刷新主窗口画布
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self.parent.get_canvas().draw_preview()
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# 设置返回结果，包含预设的所有信息
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self.result = {
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"type": "preset_loaded", # 修改类型以区分预设选择和预设加载
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"ratio": self.current_template.ratio,
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"width": self.current_template.width_px,
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"height": self.current_template.height_px,
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"bg_color": self.current_template.bg_color,
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"bg_image": self.current_template.bg_image
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}
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self.destroy()
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return
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else:
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messagebox.showerror("错误", "加载预设失败")
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return
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@ -227,15 +250,18 @@ class TemplateDialog(tk.Toplevel):
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"type": "custom",
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"width": width,
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"height": height,
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"bg_color": self.bg_color_var.get()
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"bg_color": self.bg_color_var.get(),
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"bg_image": self.current_template.bg_image
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}
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else:
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w, h = map(int, self.ratio_var.get().split(":"))
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self.result = {
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"type": "preset",
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"ratio": (w, h),
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"ratio": tuple([w, h]),
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"width": self.width_var.get(),
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"bg_color": self.bg_color_var.get()
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"height": self.height_var.get(),
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"bg_color": self.bg_color_var.get(),
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"bg_image": self.current_template.bg_image
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}
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self.destroy()
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except Exception as e:
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@ -250,5 +276,23 @@ class TemplateDialog(tk.Toplevel):
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