Graph Editor: Tweaking the drawing of the channel colours for F-Curve channels.

I'm not happy with this yet, but it seems a reasonable compromise. There is a commented-out method included here too.

1 files changed, 39 insertions, 8 deletions

diff --git a/source/blender/editors/space_graph/graph_draw.c b/source/blender/editors/space_graph/graph_draw.c
index c6eefb087f4..414e6704f4a 100644
--- a/source/blender/editors/space_graph/graph_draw.c
+++ b/source/blender/editors/space_graph/graph_draw.c
@@ -1147,23 +1147,54 @@ void graph_draw_channel_names(bAnimContext *ac, SpaceIpo *sipo, ARegion *ar)
 				gl_round_box(GL_POLYGON, x+offset,  yminc, (float)ACHANNEL_NAMEWIDTH, ymaxc, 8);
 			}
 			else {
-				/* most of the time, only F-Curves are going to be drawn here */
-				if (ale->type == ANIMTYPE_FCURVE) {
-					/* F-Curve channels are colored with whatever color the curve has stored  */
-					FCurve *fcu= (FCurve *)ale->data;
-					glColor3fv(fcu->color);
-				}
-				else
-					UI_ThemeColorShade(TH_HEADER, ((indent==0)?20: (indent==1)?-20: -40));
+				short shadefac= ((indent==0)?20: (indent==1)?-20: -40);
 				
 				indent += group;
 				offset += 7 * indent;
+				
+				/* draw channel backdrop */
+				UI_ThemeColorShade(TH_HEADER, shadefac);
+				
 				glBegin(GL_QUADS);
 					glVertex2f(x+offset, yminc);
 					glVertex2f(x+offset, ymaxc);
 					glVertex2f((float)ACHANNEL_NAMEWIDTH, ymaxc);
 					glVertex2f((float)ACHANNEL_NAMEWIDTH, yminc);
 				glEnd();
+				
+				/* most of the time, only F-Curves are going to be drawn here */
+				if (ale->type == ANIMTYPE_FCURVE) {
+					/* F-Curve channels need to have a special 'color code' box drawn, which is colored with whatever 
+					 * color the curve has stored 
+					 */
+					FCurve *fcu= (FCurve *)ale->data;
+					glColor3fv(fcu->color);
+					
+					// NOTE: only enable the following line for the fading-out gradient
+					//glShadeModel(GL_SMOOTH);
+					
+					glBegin(GL_QUADS);
+						/* solid color for the area around the checkbox */
+						glVertex2f(x+offset, yminc);
+						glVertex2f(x+offset, ymaxc);
+						glVertex2f(x+offset+18, ymaxc);
+						glVertex2f(x+offset+18, yminc);
+						
+#if 0 // fading out gradient
+						/* fading out gradient for the rest of the box */
+						glVertex2f(x+offset+18, yminc);
+						glVertex2f(x+offset+18, ymaxc);
+						
+						UI_ThemeColorShade(TH_HEADER, shadefac); // XXX does this cause any problems on some cards?
+						
+						glVertex2f(x+offset+20, ymaxc);
+						glVertex2f(x+offset+20, yminc);
+#endif // fading out gradient
+					glEnd();
+					
+					// NOTE: only enable the following line for the fading-out gradient
+					//glShadeModel(GL_FLAT);
+				}
 			}
 			
 			/* draw expand/collapse triangle */