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Slightly optimize SVG loading

This commit is contained in:
Přemysl Eric Janouch 2023-07-09 10:25:30 +02:00
parent 840e7f172c
commit 5ec5f5bdbd
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 9 additions and 0 deletions
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9
fiv-view.c
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@ -407,6 +407,11 @@ prescale_page(FivView *self)
// TODO(p): Restart the animation. No vector formats currently animate. // TODO(p): Restart the animation. No vector formats currently animate.
g_return_if_fail(!self->frame_update_connection); g_return_if_fail(!self->frame_update_connection);
// Optimization, taking into account the workaround in set_scale().
if (!self->page_scaled &&
(self->scale == 1 || self->scale == 0.999999999999999))
return;
// If it fails, the previous frame pointer may become invalid. // If it fails, the previous frame pointer may become invalid.
g_clear_pointer(&self->page_scaled, fiv_io_image_unref); g_clear_pointer(&self->page_scaled, fiv_io_image_unref);
self->frame = self->page_scaled = closure->render(closure, self->frame = self->page_scaled = closure->render(closure,
@ -886,6 +891,10 @@ switch_page(FivView *self, FivIoImage *page)
{ {
g_clear_pointer(&self->page_scaled, fiv_io_image_unref); g_clear_pointer(&self->page_scaled, fiv_io_image_unref);
self->frame = self->page = page; self->frame = self->page = page;
// XXX: When self->scale_to_fit is in effect,
// this uses an old value that may no longer be appropriate,
// resulting in wasted effort.
prescale_page(self); prescale_page(self);
if (!self->page || if (!self->page ||