Peach request

new option for the image sequencer's image strips, flip x/y, (useful when making animatics to test the direction characters walk across the screen)
added IMB_flipy was alredy there, needed to add IMB_flipx.

5 files changed, 46 insertions, 4 deletions

diff --git a/source/blender/imbuf/IMB_imbuf.h b/source/blender/imbuf/IMB_imbuf.h
index e56fb5a776d..11cdebe70c3 100644
--- a/source/blender/imbuf/IMB_imbuf.h
+++ b/source/blender/imbuf/IMB_imbuf.h
@@ -418,6 +418,14 @@ void bilinear_interpolation(struct ImBuf *in, struct ImBuf *out, float u, float
 void IMB_convert_bgra_to_rgba(int size, unsigned int *rect);
 
 /**
+ * Flip the image X/Y
+ *
+ * @attention Defined in imageprocess.c
+ */
+void IMB_xflip(struct ImBuf *ibuf);
+void IMB_yflip(struct ImBuf *ibuf);
+
+/**
  *
  * @attention defined in scaling.c
  */
diff --git a/source/blender/imbuf/intern/rotate.c b/source/blender/imbuf/intern/rotate.c
index 13edfbf0a33..4654dd6aefa 100644
--- a/source/blender/imbuf/intern/rotate.c
+++ b/source/blender/imbuf/intern/rotate.c
@@ -86,3 +86,29 @@ void IMB_flipy(struct ImBuf * ibuf)
 	MEM_freeN(line);
 	if(linef) MEM_freeN(linef);
 }
+
+void IMB_flipx(struct ImBuf * ibuf)
+{
+	short x, y, xr, xl, yi;
+	unsigned int px;
+	float px_f[4];
+	
+	if (ibuf == NULL) return;
+	if (ibuf->rect == NULL) return;
+
+	x = ibuf->x;
+	y = ibuf->y;
+	for(yi=y-1;yi>=0;yi--) {
+		for(xr=x-1, xl=0; xr>=xl; xr--, xl++) {
+			px =					ibuf->rect[(x*yi)+xr];
+			ibuf->rect[(x*yi)+xr] =	ibuf->rect[(x*yi)+xl];
+			ibuf->rect[(x*yi)+xl] =	px;		
+			
+			if (ibuf->rect_float) {
+				memcpy(&px_f, &ibuf->rect_float[((x*yi)+xr)*4], 4*sizeof(float));
+				memcpy(&ibuf->rect_float[((x*yi)+xr)*4], &ibuf->rect_float[((x*yi)+xl)*4], 4*sizeof(float));
+				memcpy(&ibuf->rect_float[((x*yi)+xl)*4], &px_f, 4*sizeof(float));
+			}
+		}
+	}
+}
diff --git a/source/blender/makesdna/DNA_sequence_types.h b/source/blender/makesdna/DNA_sequence_types.h
index 5db102e9868..f1abc2dc0c8 100644
--- a/source/blender/makesdna/DNA_sequence_types.h
+++ b/source/blender/makesdna/DNA_sequence_types.h
@@ -205,6 +205,8 @@ typedef struct SpeedControlVars {
 #define SEQ_IPO_FRAME_LOCKED	256
 #define SEQ_EFFECT_NOT_LOADED	512
 #define SEQ_FLAG_DELETE			1024
+#define SEQ_FLIPX				2048
+#define SEQ_FLIPY				4096
 
 /* seq->type WATCH IT: SEQ_EFFECT BIT is used to determine if this is an effect strip!!! */
 #define SEQ_IMAGE		0
diff --git a/source/blender/src/drawseq.c b/source/blender/src/drawseq.c
index af08af30fc8..7986a6da19a 100644
--- a/source/blender/src/drawseq.c
+++ b/source/blender/src/drawseq.c
@@ -1117,12 +1117,16 @@ static void seq_panel_properties(short cntrl)	// SEQ_HANDLER_PROPERTIES
 	}
 	else if(last_seq->type==SEQ_IMAGE) {
 
-		uiDefBut(block, LABEL, 0, "Type: Image", 10,140,150,20, 0, 0, 0, 0, 0, "");
-		uiDefBut(block, TEX, B_NOP, "Name: ", 10,120,150,19, last_seq->name+2, 0.0, 21.0, 100, 0, "");
+		uiDefBut(block, LABEL, 0, "Type: Image", 10,160,150,20, 0, 0, 0, 0, 0, "");
+		uiDefBut(block, TEX, B_NOP, "Name: ", 10,140,150,19, last_seq->name+2, 0.0, 21.0, 100, 0, "");
 		
 		uiBlockBeginAlign(block);
-		uiDefButBitS(block, TOG, SEQ_MAKE_PREMUL, SEQ_BUT_RELOAD, "Convert to Premul", 10,90,150,19, &last_seq->flag, 0.0, 21.0, 100, 0, "Converts RGB values to become premultiplied with Alpha");
-		uiDefButBitS(block, TOG, SEQ_FILTERY, SEQ_BUT_RELOAD, "FilterY",	10,70,150,19, &last_seq->flag, 0.0, 21.0, 100, 0, "For video movies to remove fields");
+		uiDefButBitS(block, TOG, SEQ_MAKE_PREMUL, SEQ_BUT_RELOAD, "Convert to Premul", 10,110,150,19, &last_seq->flag, 0.0, 21.0, 100, 0, "Converts RGB values to become premultiplied with Alpha");
+		uiDefButBitS(block, TOG, SEQ_FILTERY, SEQ_BUT_RELOAD, "FilterY",	10,90,150,19, &last_seq->flag, 0.0, 21.0, 100, 0, "For video movies to remove fields");
+		
+		uiDefButBitS(block, TOG, SEQ_FLIPX, SEQ_BUT_RELOAD, "FlipX",	10,70,75,19, &last_seq->flag, 0.0, 21.0, 100, 0, "Flip on the X axis");
+		uiDefButBitS(block, TOG, SEQ_FLIPY, SEQ_BUT_RELOAD, "FlipY",	85,70,75,19, &last_seq->flag, 0.0, 21.0, 100, 0, "Flip on the Y axis");
+		
 		uiDefButF(block, NUM, SEQ_BUT_RELOAD, "Mul:",			10,50,150,19, &last_seq->mul, 0.001, 5.0, 100, 0, "Multiply colors");
 		uiDefButS(block, TOG|BIT|7, SEQ_BUT_RELOAD, "Reverse Frames", 10,30,150,19, &last_seq->flag, 0.0, 21.0, 100, 0, "Reverse frame order");
 		uiDefButF(block, NUM, SEQ_BUT_RELOAD, "Strobe:",			10,10,150,19, &last_seq->strobe, 1.0, 30.0, 100, 0, "Only display every nth frame");
diff --git a/source/blender/src/sequence.c b/source/blender/src/sequence.c
index e55cea7de59..f9ad78dc732 100644
--- a/source/blender/src/sequence.c
+++ b/source/blender/src/sequence.c
@@ -779,6 +779,8 @@ static void do_build_seq_ibuf(Sequence * seq, int cfra)
 					seq->strip->orx= se->ibuf->x;
 					seq->strip->ory= se->ibuf->y;
 					if(seq->flag & SEQ_FILTERY) IMB_filtery(se->ibuf);
+					if(seq->flag & SEQ_FLIPX) IMB_flipx(se->ibuf);
+					if(seq->flag & SEQ_FLIPY) IMB_flipy(se->ibuf);
 					if(seq->mul==0.0) seq->mul= 1.0;
 					if(seq->mul != 1.0) multibuf(se->ibuf, seq->mul);
 				}