use the same stippled drawing for colorband background as alpha color swatches, with low DPI would look squashed, also use the same colors for both.

3 files changed, 30 insertions, 26 deletions

diff --git a/source/blender/editors/interface/interface_draw.c b/source/blender/editors/interface/interface_draw.c
index 710d4d58825..c7f11116834 100644
--- a/source/blender/editors/interface/interface_draw.c
+++ b/source/blender/editors/interface/interface_draw.c
@@ -1120,7 +1120,7 @@ void ui_draw_but_COLORBAND(uiBut *but, uiWidgetColors *UNUSED(wcol), rcti *rect)
 	ColorBand *coba;
 	CBData *cbd;
 	float x1, y1, sizex, sizey;
-	float dx, v3[2], v1[2], v2[2], v1a[2], v2a[2];
+	float v3[2], v1[2], v2[2], v1a[2], v2a[2];
 	int a;
 	float pos, colf[4]= {0,0,0,0}; /* initialize incase the colorband isnt valid */
 		
@@ -1131,18 +1131,17 @@ void ui_draw_but_COLORBAND(uiBut *but, uiWidgetColors *UNUSED(wcol), rcti *rect)
 	y1= rect->ymin;
 	sizex= rect->xmax-x1;
 	sizey= rect->ymax-y1;
-	
+
 	/* first background, to show tranparency */
-	dx= sizex/12.0f;
-	v1[0]= x1;
-	for(a=0; a<12; a++) {
-		if(a & 1) glColor3f(0.3, 0.3, 0.3); else glColor3f(0.8, 0.8, 0.8);
-		glRectf(v1[0], y1, v1[0]+dx, y1+0.5f*sizey);
-		if(a & 1) glColor3f(0.8, 0.8, 0.8); else glColor3f(0.3, 0.3, 0.3);
-		glRectf(v1[0], y1+0.5f*sizey, v1[0]+dx, y1+sizey);
-		v1[0]+= dx;
-	}
-	
+
+	glColor4ub(UI_TRANSP_DARK, UI_TRANSP_DARK, UI_TRANSP_DARK, 255);
+	glRectf(x1, y1, x1+sizex, y1+sizey);
+	glEnable(GL_POLYGON_STIPPLE);
+	glColor4ub(UI_TRANSP_LIGHT, UI_TRANSP_LIGHT, UI_TRANSP_LIGHT, 255);
+	glPolygonStipple(checker_stipple_sml);
+	glRectf(x1, y1, x1+sizex, y1+sizey);
+	glDisable(GL_POLYGON_STIPPLE);
+
 	glShadeModel(GL_FLAT);
 	glEnable(GL_BLEND);
 	
diff --git a/source/blender/editors/interface/interface_intern.h b/source/blender/editors/interface/interface_intern.h
index 3f3665aae38..8475090b468 100644
--- a/source/blender/editors/interface/interface_intern.h
+++ b/source/blender/editors/interface/interface_intern.h
@@ -486,6 +486,11 @@ void ui_widget_color_init(struct ThemeUI *tui);
 void ui_draw_menu_item(struct uiFontStyle *fstyle, rcti *rect, const char *name, int iconid, int state);
 void ui_draw_preview_item(struct uiFontStyle *fstyle, rcti *rect, const char *name, int iconid, int state);
 
+extern unsigned char checker_stipple_sml[];
+/* used for transp checkers */
+#define UI_TRANSP_DARK 100
+#define UI_TRANSP_LIGHT 160
+
 /* interface_style.c */
 void uiStyleInit(void);
 
diff --git a/source/blender/editors/interface/interface_widgets.c b/source/blender/editors/interface/interface_widgets.c
index f767a432cd0..41bb12e4433 100644
--- a/source/blender/editors/interface/interface_widgets.c
+++ b/source/blender/editors/interface/interface_widgets.c
@@ -159,6 +159,18 @@ static float check_tria_vert[6][2]= {
 static int check_tria_face[4][3]= {
 {3, 2, 4}, {3, 4, 5}, {1, 0, 3}, {0, 2, 3}};
 
+GLubyte checker_stipple_sml[32*32/8] =
+{
+	255,0,255,0,255,0,255,0,255,0,255,0,255,0,255,0, \
+	255,0,255,0,255,0,255,0,255,0,255,0,255,0,255,0, \
+	0,255,0,255,0,255,0,255,0,255,0,255,0,255,0,255, \
+	0,255,0,255,0,255,0,255,0,255,0,255,0,255,0,255, \
+	255,0,255,0,255,0,255,0,255,0,255,0,255,0,255,0, \
+	255,0,255,0,255,0,255,0,255,0,255,0,255,0,255,0, \
+	0,255,0,255,0,255,0,255,0,255,0,255,0,255,0,255, \
+	0,255,0,255,0,255,0,255,0,255,0,255,0,255,0,255, \
+};
+
 /* ************************************************* */
 
 void ui_draw_anti_tria(float x1, float y1, float x2, float y2, float x3, float y3)
@@ -614,22 +626,10 @@ static void widgetbase_draw(uiWidgetBase *wtb, uiWidgetColors *wcol)
 	if(wtb->inner) {
 		if(wcol->shaded==0) {
 			if (wcol->alpha_check) {
-				GLubyte checker_stipple_sml[32*32/8] =
-				{
-					255,0,255,0,255,0,255,0,255,0,255,0,255,0,255,0, \
-					255,0,255,0,255,0,255,0,255,0,255,0,255,0,255,0, \
-					0,255,0,255,0,255,0,255,0,255,0,255,0,255,0,255, \
-					0,255,0,255,0,255,0,255,0,255,0,255,0,255,0,255, \
-					255,0,255,0,255,0,255,0,255,0,255,0,255,0,255,0, \
-					255,0,255,0,255,0,255,0,255,0,255,0,255,0,255,0, \
-					0,255,0,255,0,255,0,255,0,255,0,255,0,255,0,255, \
-					0,255,0,255,0,255,0,255,0,255,0,255,0,255,0,255, \
-				};
-
 				float x_mid= 0.0f; /* used for dumb clamping of values */
 
 				/* dark checkers */
-				glColor4ub(100, 100, 100, 255);
+				glColor4ub(UI_TRANSP_DARK, UI_TRANSP_DARK, UI_TRANSP_DARK, 255);
 				glBegin(GL_POLYGON);
 				for(a=0; a<wtb->totvert; a++) {
 					glVertex2fv(wtb->inner_v[a]);
@@ -638,7 +638,7 @@ static void widgetbase_draw(uiWidgetBase *wtb, uiWidgetColors *wcol)
 
 				/* light checkers */
 				glEnable(GL_POLYGON_STIPPLE);
-				glColor4ub(160, 160, 160, 255);
+				glColor4ub(UI_TRANSP_LIGHT, UI_TRANSP_LIGHT, UI_TRANSP_LIGHT, 255);
 				glPolygonStipple(checker_stipple_sml);
 				glBegin(GL_POLYGON);
 				for(a=0; a<wtb->totvert; a++) {