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shaped-texture: Introduce get_unscaled_{width,height}

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This allows other code to obtain the size of the surface after all
transformations except for scaling.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3053>
This commit is contained in:
msizanoen 2023-06-05 21:55:24 +07:00 committed by Marge Bot
parent 1dbf37239f
commit 742d026479
2 changed files with 65 additions and 0 deletions
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3
src/compositor/meta-shaped-texture-private.h
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@ -66,6 +66,9 @@ gboolean meta_shaped_texture_update_area (MetaShapedTexture *stex,
int meta_shaped_texture_get_width (MetaShapedTexture *stex);
int meta_shaped_texture_get_height (MetaShapedTexture *stex);
float meta_shaped_texture_get_unscaled_width (MetaShapedTexture *stex);
float meta_shaped_texture_get_unscaled_height (MetaShapedTexture *stex);
void meta_shaped_texture_set_clip_region (MetaShapedTexture *stex,
cairo_region_t *clip_region);
void meta_shaped_texture_set_opaque_region (MetaShapedTexture *stex,

62
src/compositor/meta-shaped-texture.c
View File

@ -1491,3 +1491,65 @@ meta_shaped_texture_get_height (MetaShapedTexture *stex)
return stex->dst_height;
}
static graphene_size_t
get_unscaled_size (MetaShapedTexture *stex)
{
graphene_size_t buffer_size;
if (stex->has_viewport_src_rect)
{
graphene_size_scale (&stex->viewport_src_rect.size,
stex->buffer_scale,
&buffer_size);
}
else
{
buffer_size = (graphene_size_t) {
.width = stex->tex_width,
.height = stex->tex_height,
};
}
if (meta_monitor_transform_is_rotated (stex->transform))
{
return (graphene_size_t) {
.width = buffer_size.height,
.height = buffer_size.width,
};
}
else
{
return buffer_size;
}
}
/**
* meta_shaped_texture_get_unscaled_width:
* @stex: A #MetaShapedTexture
*
* Returns: The unscaled width of @stex after its shaping operations are applied.
*/
float
meta_shaped_texture_get_unscaled_width (MetaShapedTexture *stex)
{
g_return_val_if_fail (META_IS_SHAPED_TEXTURE (stex), 0);
graphene_size_t unscaled_size = get_unscaled_size (stex);
return unscaled_size.width;
}
/**
* meta_shaped_texture_get_unscaled_height:
* @stex: A #MetaShapedTexture
*
* Returns: The unscaled height of @stex after its shaping operations are applied.
*/
float
meta_shaped_texture_get_unscaled_height (MetaShapedTexture *stex)
{
g_return_val_if_fail (META_IS_SHAPED_TEXTURE (stex), 0);
graphene_size_t unscaled_size = get_unscaled_size (stex);
return unscaled_size.height;
}