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PDF Enhancement Generation

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This commit is contained in:
马一丁
2025-11-25 01:41:30 +08:00
parent 8505a8aafb
commit e9b7a91722
3 changed files with 322 additions and 50 deletions
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ReportEngine/renderers/chart_to_svg.py
+24 -6
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@@ -68,6 +68,17 @@ class ChartToSVGConverter:
'var(--color-success)': '#50C878', # 翠绿色（从#28A745改为更明亮）
'var(--re-success-color)': '#50C878', # 翠绿色
'var(--re-success-color-translucent)': (0.314, 0.784, 0.471, 0.08), # 绿色极浅透明 rgba(80, 200, 120, 0.08)
'var(--color-accent-positive)': '#50C878',
'var(--color-accent-negative)': '#E85D75',
'var(--color-text-secondary)': '#6B7280',
'var(--accentPositive)': '#50C878',
'var(--accentNegative)': '#E85D75',
'var(--sentiment-positive, #28A745)': '#28A745',
'var(--sentiment-negative, #E53E3E)': '#E53E3E',
'var(--sentiment-neutral, #FFC107)': '#FFC107',
'var(--sentiment-positive)': '#28A745',
'var(--sentiment-negative)': '#E53E3E',
'var(--sentiment-neutral)': '#FFC107',
'var(--color-primary)': '#3498DB', # 天蓝色
'var(--color-secondary)': '#95A5A6', # 浅灰色
}
@@ -225,6 +236,13 @@ class ChartToSVGConverter:
# 【增强】处理CSS变量，例如 var(--color-accent)
# 使用预定义的颜色映射表替代CSS变量，确保不同变量有不同的颜色
if color.startswith('var('):
# 解析 var(--token, fallback) 形式
fb_match = re.match(r'^var\(\s*--[^,)+]+,\s*([^)]+)\)', color)
if fb_match:
fb_raw = fb_match.group(1).strip()
fb_color = self._parse_color(fb_raw)
if fb_color:
return fb_color
# 尝试从映射表中查找对应的颜色
mapped_color = self.CSS_VAR_COLOR_MAP.get(color)
if mapped_color:
@@ -406,7 +424,7 @@ class ChartToSVGConverter:
# 获取配置
y_axis_id = dataset.get('yAxisID', 'y')
fill = dataset.get('fill', False)
fill = True # 强制开启填充，便于对比
tension = dataset.get('tension', 0) # 0表示直线，0.4表示平滑曲线
border_color = self._parse_color(dataset.get('borderColor', color))
background_color = self._parse_color(dataset.get('backgroundColor', color))
@@ -449,7 +467,7 @@ class ChartToSVGConverter:
color=border_color, linewidth=2, markersize=6)
if fill:
ax.fill_between(x_data, y_data, alpha=0.08, color=background_color)
ax.fill_between(x_data, y_data, alpha=0.2, color=background_color)
for pos, y_val, text in zip(x_data, y_data, annotations):
if text:
@@ -478,18 +496,18 @@ class ChartToSVGConverter:
# 如果需要填充（使用极低透明度避免遮挡）
if fill:
ax.fill_between(x_smooth, y_smooth, alpha=0.08, color=background_color)
ax.fill_between(x_smooth, y_smooth, alpha=0.2, color=background_color)
except:
# 如果平滑失败，使用普通折线
line, = ax.plot(x_data, dataset_data, marker='o', label=label,
color=border_color, linewidth=2, markersize=6)
if fill:
ax.fill_between(x_data, dataset_data, alpha=0.08, color=background_color)
ax.fill_between(x_data, dataset_data, alpha=0.2, color=background_color)
else:
line, = ax.plot(x_data, dataset_data, marker='o', label=label,
color=border_color, linewidth=2, markersize=6)
if fill:
ax.fill_between(x_data, dataset_data, alpha=0.08, color=background_color)
ax.fill_between(x_data, dataset_data, alpha=0.2, color=background_color)
else:
# 直线连接（tension=0或scipy不可用）
line, = ax.plot(x_data, dataset_data, marker='o', label=label,
@@ -497,7 +515,7 @@ class ChartToSVGConverter:
# 如果需要填充（使用极低透明度避免遮挡）
if fill:
ax.fill_between(x_data, dataset_data, alpha=0.08, color=background_color)
ax.fill_between(x_data, dataset_data, alpha=0.2, color=background_color)
# 记录这条线属于哪个轴
axis_lines[y_axis_id].append(line)