Added IMB_gamwarp and IMB_interlace (and the interlace and gamwarp wrappers

for the plugins)

Kent

1 files changed, 54 insertions, 6 deletions

diff --git a/source/blender/imbuf/intern/divers.c b/source/blender/imbuf/intern/divers.c
index 3b2ae27577c..70958b08c21 100644
--- a/source/blender/imbuf/intern/divers.c
+++ b/source/blender/imbuf/intern/divers.c
@@ -88,7 +88,6 @@ void imb_checkncols(struct ImBuf *ibuf)
 void IMB_de_interlace(struct ImBuf *ibuf)
 {
 	struct ImBuf * tbuf1, * tbuf2;
-/*  	extern rectcpy(); */
 	
 	if (ibuf == 0) return;
 	if (ibuf->flags & IB_fields) return;
@@ -100,15 +99,10 @@ void IMB_de_interlace(struct ImBuf *ibuf)
 		tbuf2 = IMB_allocImBuf(ibuf->x, ibuf->y / 2, 32, IB_rect, 0);
 		
 		ibuf->x *= 2;	
-/* Functions need more args :( */
-/*  		rectop(tbuf1, ibuf, 0, 0, 0, 0, 32767, 32767, rectcpy); */
-/*  		rectop(tbuf2, ibuf, 0, 0, tbuf2->x, 0, 32767, 32767, rectcpy); */
 		IMB_rectop(tbuf1, ibuf, 0, 0, 0, 0, 32767, 32767, IMB_rectcpy, 0);
 		IMB_rectop(tbuf2, ibuf, 0, 0, tbuf2->x, 0, 32767, 32767, IMB_rectcpy, 0);
 	
 		ibuf->x /= 2;
-/*  		rectop(ibuf, tbuf1, 0, 0, 0, 0, 32767, 32767, rectcpy); */
-/*  		rectop(ibuf, tbuf2, 0, tbuf2->y, 0, 0, 32767, 32767, rectcpy); */
 		IMB_rectop(ibuf, tbuf1, 0, 0, 0, 0, 32767, 32767, IMB_rectcpy, 0);
 		IMB_rectop(ibuf, tbuf2, 0, tbuf2->y, 0, 0, 32767, 32767, IMB_rectcpy, 0);
 		
@@ -118,3 +112,57 @@ void IMB_de_interlace(struct ImBuf *ibuf)
 	ibuf->y /= 2;
 }
 
+void IMB_interlace(struct ImBuf *ibuf)
+{
+        struct ImBuf * tbuf1, * tbuf2;
+
+        if (ibuf == 0) return;
+        ibuf->flags &= ~IB_fields;
+
+        ibuf->y *= 2;
+
+        if (ibuf->rect) {
+                /* make copies */
+                tbuf1 = IMB_allocImBuf(ibuf->x, ibuf->y / 2, 32, IB_rect, 0);
+                tbuf2 = IMB_allocImBuf(ibuf->x, ibuf->y / 2, 32, IB_rect, 0);
+
+                IMB_rectop(tbuf1, ibuf, 0, 0, 0, 0, 32767, 32767, IMB_rectcpy, 
+			0);
+                IMB_rectop(tbuf2, ibuf, 0, 0, 0, tbuf2->y, 32767, 32767,
+                	IMB_rectcpy,0);
+
+                ibuf->x *= 2;
+                IMB_rectop(ibuf, tbuf1, 0, 0, 0, 0, 32767, 32767, IMB_rectcpy,
+			0);
+                IMB_rectop(ibuf, tbuf2, tbuf2->x, 0, 0, 0, 32767, 32767,
+                	IMB_rectcpy,0);
+                ibuf->x /= 2;
+
+                IMB_freeImBuf(tbuf1);
+                IMB_freeImBuf(tbuf2);
+        }
+}
+
+
+void IMB_gamwarp(struct ImBuf *ibuf, double gamma)
+{
+        uchar gam[256];
+        int i;
+        uchar *rect;
+
+        if (ibuf == 0) return;
+        if (ibuf->rect == 0) return;
+        if (gamma == 1.0) return;
+
+        gamma = 1.0 / gamma;
+        for (i = 255 ; i >= 0 ; i--) gam[i] = (255.0 * pow(i / 255.0 ,
+        gamma))  + 0.5;
+
+        rect = (uchar *) ibuf->rect;
+        for (i = ibuf->x * ibuf->y ; i>0 ; i--){
+                rect ++;
+                *rect ++ = gam[*rect];
+                *rect ++ = gam[*rect];
+                *rect ++ = gam[*rect];
+        }
+}