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gdk: Support more formats in gdk_texture_new_for_surface()

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This commit is contained in:
Benjamin Otte 2024-07-04 23:24:10 +02:00
parent b97cf2b9d9
commit e6cfbc00fc
1 changed files with 36 additions and 3 deletions
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39
gdk/gdktexture.c
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@ -434,13 +434,46 @@ gdk_texture_init (GdkTexture *self)
self->color_state = gdk_color_state_get_srgb ();
}
/**
static GdkMemoryFormat
cairo_format_to_memory_format (cairo_format_t format)
{
switch (format)
{
case CAIRO_FORMAT_ARGB32:
return GDK_MEMORY_DEFAULT;
case CAIRO_FORMAT_RGB24:
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
return GDK_MEMORY_B8G8R8X8;
#elif G_BYTE_ORDER == G_BIG_ENDIAN
return GDK_MEMORY_X8R8G8B8;
#else
#error "Unknown byte order for Cairo format"
#endif
case CAIRO_FORMAT_A8:
return GDK_MEMORY_A8;
case CAIRO_FORMAT_RGB96F:
return GDK_MEMORY_R32G32B32_FLOAT;
case CAIRO_FORMAT_RGBA128F:
return GDK_MEMORY_R32G32B32A32_FLOAT;
case CAIRO_FORMAT_RGB16_565:
case CAIRO_FORMAT_RGB30:
case CAIRO_FORMAT_INVALID:
case CAIRO_FORMAT_A1:
default:
g_assert_not_reached ();
return GDK_MEMORY_DEFAULT;
}
}
/*<private>
* gdk_texture_new_for_surface:
* @surface: a cairo image surface
*
* Creates a new texture object representing the surface.
*
* The @surface must be an image surface with format `CAIRO_FORMAT_ARGB32`.
* The @surface must be an image surface with a format supperted by GTK.
*
* The newly created texture will acquire a reference on the @surface.
*
@ -464,7 +497,7 @@ gdk_texture_new_for_surface (cairo_surface_t *surface)
texture = gdk_memory_texture_new (cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface),
GDK_MEMORY_DEFAULT,
cairo_format_to_memory_format (cairo_image_surface_get_format (surface)),
bytes,
cairo_image_surface_get_stride (surface));