Bitmap: Implement test_opaque in core instead of in every frontend.

1 files changed, 0 insertions, 30 deletions

diff --git a/frontends/windows/bitmap.c b/frontends/windows/bitmap.c
index 26bc807ce..a52f29ad9 100644
--- a/frontends/windows/bitmap.c
+++ b/frontends/windows/bitmap.c
@@ -193,35 +193,6 @@ static void bitmap_set_opaque(void *bitmap, bool opaque)
 
 
 /**
- * Tests whether a bitmap has an opaque alpha channel
- *
- * \param  bitmap  a bitmap, as returned by bitmap_create()
- * \return whether the bitmap is opaque
- */
-static bool bitmap_test_opaque(void *bitmap)
-{
-	int tst;
-	struct bitmap *bm = bitmap;
-
-	if (bitmap == NULL) {
-		NSLOG(netsurf, INFO, "NULL bitmap!");
-		return false;
-	}
-
-	tst = bm->width * bm->height;
-
-	while (tst-- > 0) {
-		if (bm->pixdata[(tst << 2) + 3] != 0xff) {
-			NSLOG(netsurf, INFO, "bitmap %p has transparency", bm);
-			return false;
-		}
-	}
-	NSLOG(netsurf, INFO, "bitmap %p is opaque", bm);
-	return true;
-}
-
-
-/**
  * Gets whether a bitmap should be plotted opaque
  *
  * \param  bitmap  a bitmap, as returned by bitmap_create()
@@ -356,7 +327,6 @@ static struct gui_bitmap_table bitmap_table = {
 	.destroy = win32_bitmap_destroy,
 	.set_opaque = bitmap_set_opaque,
 	.get_opaque = bitmap_get_opaque,
-	.test_opaque = bitmap_test_opaque,
 	.get_buffer = bitmap_get_buffer,
 	.get_rowstride = bitmap_get_rowstride,
 	.get_width = bitmap_get_width,