diff options
Diffstat (limited to 'cogl/cogl-bitmap.c')
| -rw-r--r-- | cogl/cogl-bitmap.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/cogl/cogl-bitmap.c b/cogl/cogl-bitmap.c index 355a2a25..cc83dda7 100644 --- a/cogl/cogl-bitmap.c +++ b/cogl/cogl-bitmap.c @@ -181,6 +181,35 @@ _cogl_bitmap_convert_format_and_premult (CoglBitmap *bmp, return dst_bmp; } +CoglBitmap * +_cogl_bitmap_copy (CoglBitmap *src_bmp) +{ + CoglBitmap *dst_bmp; + CoglPixelFormat src_format = _cogl_bitmap_get_format (src_bmp); + int bpp = _cogl_get_format_bpp (src_format); + int width = _cogl_bitmap_get_width (src_bmp); + int height = _cogl_bitmap_get_height (src_bmp); + int dst_rowstride = width * bpp; + + /* Round the rowstride up to the next nearest multiple of 4 bytes */ + dst_rowstride = (dst_rowstride + 3) & ~3; + + dst_bmp = _cogl_bitmap_new_from_data (g_malloc (dst_rowstride * height), + src_format, + width, height, + dst_rowstride, + (CoglBitmapDestroyNotify) g_free, + NULL); + + _cogl_bitmap_copy_subregion (src_bmp, + dst_bmp, + 0, 0, /* src_x/y */ + 0, 0, /* dst_x/y */ + width, height); + + return dst_bmp; +} + void _cogl_bitmap_copy_subregion (CoglBitmap *src, CoglBitmap *dst, |