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Nicolas Predella 2026-07-29 19:50:20 +03:00
parent 0037c977e2
commit c97be7bdd0
2 changed files with 24 additions and 10 deletions
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28
core/pdf_exporter.py
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@ -375,6 +375,8 @@ def export_wireframe_to_pdf(
w_geom = max_x - min_x
h_geom = max_y - min_y
center_x = (min_x + max_x) / 2.0
center_y = (min_y + max_y) / 2.0
L = max(w_geom, h_geom)
if L > 1e-6:
@ -387,10 +389,17 @@ def export_wireframe_to_pdf(
minor_step = main_step / 10.0
if len(edges_to_draw) > 0 or len(edges_2d) > 0:
grid_min_x = math.floor(min_x / main_step) * main_step
grid_max_x = math.ceil(max_x / main_step) * main_step
grid_min_y = math.floor(min_y / main_step) * main_step
grid_max_y = math.ceil(max_y / main_step) * main_step
half_span_x = math.ceil(max(abs(max_x - center_x), abs(min_x - center_x)) / main_step) * main_step
half_span_y = math.ceil(max(abs(max_y - center_y), abs(min_y - center_y)) / main_step) * main_step
if half_span_x == 0:
half_span_x = main_step
if half_span_y == 0:
half_span_y = main_step
grid_min_x = math.floor((center_x - half_span_x) / main_step) * main_step
grid_max_x = math.ceil((center_x + half_span_x) / main_step) * main_step
grid_min_y = math.floor((center_y - half_span_y) / main_step) * main_step
grid_max_y = math.ceil((center_y + half_span_y) / main_step) * main_step
if grid_min_x == grid_max_x:
grid_max_x += main_step
@ -403,8 +412,11 @@ def export_wireframe_to_pdf(
w_grid_mm = grid_max_x - grid_min_x
h_grid_mm = grid_max_y - grid_min_y
w_total_mm = w_grid_mm + 2.0 * margin_mm
h_total_mm = h_grid_mm + 2.0 * margin_mm
# Paper margin: user margin_mm + 2x smaller grid step in all directions
total_margin_mm = margin_mm + 2.0 * minor_step
w_total_mm = w_grid_mm + 2.0 * total_margin_mm
h_total_mm = h_grid_mm + 2.0 * total_margin_mm
page_w_pt = w_total_mm * MM_TO_PT
page_h_pt = h_total_mm * MM_TO_PT
@ -412,8 +424,8 @@ def export_wireframe_to_pdf(
line_width_pt = line_width_mm * MM_TO_PT
def to_pdf_pt(pt_mm):
x_pt = (pt_mm[:, 0] - grid_min_x + margin_mm) * MM_TO_PT
y_pt = (pt_mm[:, 1] - grid_min_y + margin_mm) * MM_TO_PT
x_pt = (pt_mm[:, 0] - grid_min_x + total_margin_mm) * MM_TO_PT
y_pt = (pt_mm[:, 1] - grid_min_y + total_margin_mm) * MM_TO_PT
return np.column_stack([x_pt, y_pt])
max_grid_steps = 2000

6
tests/test_pdf_exporter.py
View file

@ -143,8 +143,10 @@ class TestPdfExporter(unittest.TestCase):
with open(pdf_path, "rb") as f:
content = f.read()
expected_w = (100.0 + 2 * margin_mm) * MM_TO_PT
expected_h = (100.0 + 2 * margin_mm) * MM_TO_PT
minor_step = 1.0 # main_step 10.0 / 10
total_margin_mm = margin_mm + 2.0 * minor_step
expected_w = (100.0 + 2 * total_margin_mm) * MM_TO_PT
expected_h = (100.0 + 2 * total_margin_mm) * MM_TO_PT
mediabox_str = f"/MediaBox [0 0 {expected_w:.2f} {expected_h:.2f}]".encode("utf-8")
self.assertTrue(content.startswith(b"%PDF-1.4"))