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feat: 添加图片适配模式支持

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- 支持四种图片适配模式：stretch、contain、cover、center
- 支持背景色填充功能（contain 和 center 模式）
- 支持文档级 DPI 配置（metadata.dpi）
- PPTX 渲染器集成 Pillow 实现高质量图片处理
- HTML 渲染器使用 CSS object-fit 实现相同效果
- 添加完整的单元测试、集成测试和端到端测试
- 更新 README 文档和架构文档
- 模块化设计：utils/image_utils.py 图片处理工具模块
- 添加图片配置验证器：validators/image_config.py
- 向后兼容：未指定 fit 时默认使用 stretch 模式
This commit is contained in:
兰缘小妖
2026-03-04 10:29:21 +08:00
parent 16ca9d77cd
commit 19d6661381
32 changed files with 2310 additions and 57 deletions
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@@ -1655,6 +1655,9 @@ source = { virtual = "." }
dependencies = [
{ name = "flask", version = "3.0.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
{ name = "flask", version = "3.1.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.9'" },
{ name = "pillow", version = "10.4.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
{ name = "pillow", version = "11.3.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version == '3.9.*'" },
{ name = "pillow", version = "12.1.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
{ name = "python-pptx" },
{ name = "pyyaml" },
{ name = "simpleeval", version = "0.9.13", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
@@ -1665,9 +1668,6 @@ dependencies = [
[package.optional-dependencies]
dev = [
{ name = "pillow", version = "10.4.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
{ name = "pillow", version = "11.3.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version == '3.9.*'" },
{ name = "pillow", version = "12.1.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
{ name = "pytest", version = "8.3.5", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.9'" },
{ name = "pytest", version = "8.4.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version == '3.9.*'" },
{ name = "pytest", version = "9.0.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
@@ -1680,7 +1680,7 @@ dev = [
[package.metadata]
requires-dist = [
{ name = "flask" },
{ name = "pillow", marker = "extra == 'dev'" },
{ name = "pillow" },
{ name = "pytest", marker = "extra == 'dev'" },
{ name = "pytest-cov", marker = "extra == 'dev'" },
{ name = "pytest-mock", marker = "extra == 'dev'" },