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renice x-fade rendering w/cairo-antialiasing

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This commit is contained in:
Robin Gareus 2014-05-29 05:06:02 +02:00
parent 0ba8bbdbfc
commit 86e7d86089
2 changed files with 8 additions and 2 deletions
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5
libs/canvas/curve.cc
View file

@ -189,11 +189,14 @@ Curve::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
window_space = item_to_window (Duple (samples[left].x, samples[left].y));
context->move_to (window_space.x, window_space.y);
Coord last_x = round(window_space.x);
Coord last_y = round(window_space.y);
for (uint32_t idx = left + 1; idx < right; ++idx) {
window_space = item_to_window (Duple (samples[idx].x, samples[idx].y));
if (last_x == round(window_space.x)) continue;
if (last_y == round(window_space.y)) continue;
last_x = round(window_space.x);
context->line_to (last_x - .5 , window_space.y);
last_y = round(window_space.y);
context->line_to (last_x - .5 , last_y + .5);
}
switch (curve_fill) {

5
libs/canvas/xfade_curve.cc
View file

@ -165,11 +165,14 @@ XFadeCurve::get_path(Rect const & area, Cairo::RefPtr<Cairo::Context> context, C
window_space = item_to_window (Duple (c.samples[left].x, c.samples[left].y));
context->move_to (window_space.x, window_space.y);
Coord last_x = round(window_space.x);
Coord last_y = round(window_space.y);
for (uint32_t idx = left + 1; idx < right; ++idx) {
window_space = item_to_window (Duple (c.samples[idx].x, c.samples[idx].y));
if (last_x == round(window_space.x)) continue;
if (last_y == round(window_space.y)) continue;
last_x = round(window_space.x);
context->line_to (last_x - .5 , window_space.y);
last_y = round(window_space.y);
context->line_to (last_x - .5 , last_y + .5);
}
}
return context->copy_path ();