josh/pygtk-custom-widget
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move cairo position based on line height

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This commit is contained in:
Josh Holtrop 2012-05-24 13:47:25 -04:00
parent 23ddad074f
commit 59cfa01e6e
1 changed files with 6 additions and 3 deletions
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9
example.py
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@ -16,8 +16,11 @@ class MyWidget(gtk.DrawingArea):
def expose(self, widget, event):
cr = widget.window.cairo_create()
layout = cr.create_layout()
desc = pango.FontDescription("Mono Bold 27")
desc = pango.FontDescription("Mono Bold 20")
layout.set_font_description(desc)
layout.set_text("M")
extents = layout.get_pixel_extents()
line_height = extents[1][3] - extents[1][1]
cr.set_source_rgb(1.0, 0.4, 0.0)
cr.move_to(10, 10)
@ -26,13 +29,13 @@ class MyWidget(gtk.DrawingArea):
cr.show_layout(layout)
cr.set_source_rgb(0.0, 0.0, 0.0)
cr.move_to(10, 50)
cr.move_to(10, 10 + line_height)
layout.set_text("BLACK: Q")
cr.update_layout(layout)
cr.show_layout(layout)
cr.set_source_rgb(0.0, 0.0, 1.0)
cr.move_to(10, 90)
cr.move_to(10, 10 + line_height * 2)
layout.set_text("multiline\nlayout")
cr.update_layout(layout)
cr.show_layout(layout)