函数与循环

7function doubled(value, factor=2) { return value * factor }8count = 09for index in range(3) { count = count + index }10while count < 5 { count = count + 1 }11status = "pending"12if count == 5 { status = "ready" } else { status = "error" }13label = text(content="count=" + str(count) + "  gap=" +14                     str(doubled(3 mm)) + "  " + status,15             font_family=font, font_size=11 pt, color="#087f8c")16page.add(label, target=page.top_left, offset=(10 mm, 34 mm))

function doubled(value, factor=2) { return value * factor }
count = 0
for index in range(3) { count = count + index }
while count < 5 { count = count + 1 }
status = "pending"
if count == 5 { status = "ready" } else { status = "error" }
label = text(content="count=" + str(count) + "  gap=" +
                     str(doubled(3 mm)) + "  " + status,
             font_family=font, font_size=11 pt, color="#087f8c")
page.add(label, target=page.top_left, offset=(10 mm, 34 mm))

1# Gallery: scripting / control-flow2page = canvas(name="Functions and loops", size=(120 mm, 80 mm), background="#f7f9fc")3font = "DejaVu Sans"4heading = text(content="Functions and loops", font_family=font, font_size=14 pt, color="#203864")5page.add(heading, target=page.top_left, offset=(7 mm, 5 mm))6# BEGIN DEMO7function doubled(value, factor=2) { return value * factor }8count = 09for index in range(3) { count = count + index }10while count < 5 { count = count + 1 }11status = "pending"12if count == 5 { status = "ready" } else { status = "error" }13label = text(content="count=" + str(count) + "  gap=" +14                     str(doubled(3 mm)) + "  " + status,15             font_family=font, font_size=11 pt, color="#087f8c")16page.add(label, target=page.top_left, offset=(10 mm, 34 mm))17# END DEMO

# Gallery: scripting / control-flow
page = canvas(name="Functions and loops", size=(120 mm, 80 mm), background="#f7f9fc")
font = "DejaVu Sans"
heading = text(content="Functions and loops", font_family=font, font_size=14 pt, color="#203864")
page.add(heading, target=page.top_left, offset=(7 mm, 5 mm))
# BEGIN DEMO
function doubled(value, factor=2) { return value * factor }
count = 0
for index in range(3) { count = count + index }
while count < 5 { count = count + 1 }
status = "pending"
if count == 5 { status = "ready" } else { status = "error" }
label = text(content="count=" + str(count) + "  gap=" +
                     str(doubled(3 mm)) + "  " + status,
             font_family=font, font_size=11 pt, color="#087f8c")
page.add(label, target=page.top_left, offset=(10 mm, 34 mm))
# END DEMO

依赖文件

examples/gallery/scripting/control-flow.lay

复现

1laymesh validate examples/gallery/scripting/control-flow.lay2laymesh render examples/gallery/scripting/control-flow.lay -o figure.svg3laymesh render examples/gallery/scripting/control-flow.lay -o figure.pdf4laymesh render examples/gallery/scripting/control-flow.lay -o figure.png --dpi 300

laymesh validate examples/gallery/scripting/control-flow.lay
laymesh render examples/gallery/scripting/control-flow.lay -o figure.svg
laymesh render examples/gallery/scripting/control-flow.lay -o figure.pdf
laymesh render examples/gallery/scripting/control-flow.lay -o figure.png --dpi 300