解决三个缺口:① 放大没复用标定/瓦片数学(LLM 一次 zoom 只出一张,宽区域仍读不清);
②「看清没」由 VLM 自评(易过度自信/幻觉);③ 只能按 handle / 手算 bbox 指认,
图上看到但没 handle 的东西指认不了。
核心思路:把「放大」升级成一个语义化工具——LLM 只指认「要看哪里」,由 agent 复用
tiling.py 的标定数学算出该切几张、每张覆盖多大,用构造保证可读。
新增 dwg_review/inspect.py(agent 侧,不编 DLL):
- TOOL_SCHEMA:inspect_region(target, purpose);target 三形态 {handle} / {window} /
{label,cx,cy,span},purpose = text(8px) / line(6px)。
- InspectState:单图框内「截图标签 → 世界可见范围」登记表,支持逐级下钻
(返回的 inspect-N 可继续作为 label 指认)。
- resolve_target / _point_box:label+cx+cy → WCS。cy 是图像坐标(上→下),
世界 y 必须翻转(y = y2 - cy*H)——单测专门钉住。
- plan_tiles:复用 world_per_px + tiles_for_box + subdivide;超 INSPECT_MAX_TILES(4)
则硬失败并给出「缩小 target / 分多次请求」的指引(不静默降级);拿不到比例/像素
则退回单张并如实告知。
关键几何:CAD 的 _.ZOOM _W 是等比适配(不拉伸),故「截图上的归一化坐标」必须按
max(W/ew, H/eh) 反算真实可见范围(新增 tiling.visible_box)——直接用送进去的窗口会偏。
zoom_to_window 返回的 view 是「加过 margin 的窗口」,不是可见范围,不能混用。
证据层配套:evidence_model.make_image(..., window=) 记录每张图的可见世界范围;
capture_images 用 view_px(overall 图原始像素)+ visible_box 逐张登记。
子循环接入:_run_readonly_tool 在只读白名单校验之前拦截 inspect_region(它不在
READ_ONLY_TOOLS 里,内部只调白名单内的只读 MCP 工具);_review_tools 启用时用
inspect_region 取代三个裸视口工具;inspect_region 计入 _VIEW_TOOLS → 结束复位视口。
配置:INSPECT_ENABLED(True) / INSPECT_MAX_TILES(4)。
端到端实测(真实图纸 1 图框):取证与审查两阶段均在最大化态、结束精确还原(4 项 PASS);
LLM 的 11 次取证调用里 2 次是 inspect_region,且都显式给 window + purpose:"text"
(x[20000,115000] y[-6500,3000],即 A0 图框底部横条=标题栏所在)。
验收口径达成:报告报出标题栏乱码 ???????????????,而 get_text_content 对全图返回 0 条文字
(本图文字全在块/自定义实体内)→ 块内文字是被视觉放大读出来的。
pytest 343 passed。
125 lines
4.1 KiB
Python
125 lines
4.1 KiB
Python
"""验收:审查阶段是否也在「绘图区最大化」状态下进行,且结束后精确还原。
|
||
|
||
做法:在取证 `collect` 与审查 `review_frame` 入口各采一次窗口矩形,
|
||
并在 `McpClient.call_tool` 上挂计数器统计子循环的 zoom/截图次数,
|
||
同时记录 LLM 实际调用的**取证工具**(含 agent 侧虚拟工具 `inspect_region`)。
|
||
用法:先启动已加载插件的 CAD 并打开图纸,然后 `python verify_review_maximized.py`。
|
||
"""
|
||
|
||
import ctypes
|
||
import json
|
||
import sys
|
||
from ctypes import wintypes
|
||
|
||
from dwg_review import __main__ as cli
|
||
from dwg_review.mcp_client import McpClient
|
||
from dwg_review.phases import evidence as ev
|
||
from dwg_review.phases import review as rv
|
||
|
||
_u = ctypes.windll.user32
|
||
_u.GetWindowTextW.argtypes = [wintypes.HWND, wintypes.LPWSTR, ctypes.c_int]
|
||
_u.IsWindowVisible.argtypes = [wintypes.HWND]
|
||
_u.GetWindowRect.argtypes = [wintypes.HWND, ctypes.POINTER(wintypes.RECT)]
|
||
_WNDENUMPROC = ctypes.WINFUNCTYPE(wintypes.BOOL, wintypes.HWND, wintypes.LPARAM)
|
||
|
||
|
||
def _find_main_window():
|
||
hit = [None]
|
||
|
||
def cb(hwnd, _lparam):
|
||
if not _u.IsWindowVisible(hwnd):
|
||
return True
|
||
n = _u.GetWindowTextLengthW(hwnd)
|
||
if n == 0:
|
||
return True
|
||
buf = ctypes.create_unicode_buffer(n + 1)
|
||
_u.GetWindowTextW(hwnd, buf, n + 1)
|
||
if "AutoCAD" in buf.value and "[" in buf.value:
|
||
hit[0] = hwnd
|
||
return False
|
||
return True
|
||
|
||
_u.EnumWindows(_WNDENUMPROC(cb), 0)
|
||
return hit[0]
|
||
|
||
|
||
HWND = _find_main_window()
|
||
if not HWND:
|
||
print("[X] 未找到 AutoCAD 主窗口")
|
||
sys.exit(1)
|
||
|
||
|
||
def rect():
|
||
r = wintypes.RECT()
|
||
_u.GetWindowRect(HWND, ctypes.byref(r))
|
||
return [r.left, r.top, r.right, r.bottom]
|
||
|
||
|
||
def area(r):
|
||
return (r[2] - r[0]) * (r[3] - r[1])
|
||
|
||
|
||
# --- 采样点 ---------------------------------------------------------------
|
||
phase_rects = {"evidence": [], "review": []}
|
||
zoom_calls = []
|
||
llm_tools = [] # LLM 在审查子循环里实际调用的取证工具(名称 + 参数)
|
||
|
||
_orig_collect = ev.collect
|
||
_orig_review = rv.review_frame
|
||
_orig_call = McpClient.call_tool
|
||
_orig_run_tool = rv._run_readonly_tool
|
||
|
||
|
||
def collect(ctx, index, frame):
|
||
phase_rects["evidence"].append(rect())
|
||
return _orig_collect(ctx, index, frame)
|
||
|
||
|
||
def review(ctx, evidence, system_prompt, log=print):
|
||
phase_rects["review"].append(rect())
|
||
return _orig_review(ctx, evidence, system_prompt, log=log)
|
||
|
||
|
||
def call_tool(self, name, arguments=None, **kw):
|
||
if name in ("zoom_to_window", "zoom_to_entity", "get_viewport_screenshot"):
|
||
zoom_calls.append(name)
|
||
return _orig_call(self, name, arguments, **kw)
|
||
|
||
|
||
def run_tool(ctx, name, args, budget, **kw):
|
||
llm_tools.append((name, args))
|
||
return _orig_run_tool(ctx, name, args, budget, **kw)
|
||
|
||
|
||
ev.collect = collect
|
||
rv.review_frame = review
|
||
McpClient.call_tool = call_tool
|
||
rv._run_readonly_tool = run_tool
|
||
|
||
before = rect()
|
||
print(f"起始窗口矩形 = {before} 面积={area(before)}")
|
||
|
||
rc = cli.main(["--frames", "1"])
|
||
|
||
after = rect()
|
||
print()
|
||
print("=== 结果 ===")
|
||
print(f"取证阶段采样 = {phase_rects['evidence']}")
|
||
print(f"审查阶段采样 = {phase_rects['review']}")
|
||
print(f"结束窗口矩形 = {after} 面积={area(after)}")
|
||
print(f"子循环 zoom/截图调用 = {len(zoom_calls)} 次")
|
||
print(f"LLM 取证工具调用 = {len(llm_tools)} 次")
|
||
for name, args in llm_tools:
|
||
brief = json.dumps(args, ensure_ascii=False)
|
||
print(f" - {name} {brief[:160]}")
|
||
|
||
inspect_n = sum(1 for name, _ in llm_tools if name == "inspect_region")
|
||
ok_ev = all(area(r) > area(before) for r in phase_rects["evidence"]) if phase_rects["evidence"] else False
|
||
ok_rv = all(area(r) > area(before) for r in phase_rects["review"]) if phase_rects["review"] else False
|
||
print()
|
||
print(f"[{'PASS' if ok_ev else 'FAIL'}] 取证阶段处于最大化(面积大于基线)")
|
||
print(f"[{'PASS' if ok_rv else 'FAIL'}] 审查阶段处于最大化(面积大于基线)")
|
||
print(f"[{'PASS' if after == before else 'FAIL'}] 结束精确还原窗口矩形")
|
||
print(f"[{'PASS' if inspect_n else 'INFO'}] LLM 使用了 inspect_region({inspect_n} 次)")
|
||
sys.exit(0 if (ok_ev and ok_rv and after == before and rc == 0) else 1)
|