fix [#27965] VSE: no visual feedback on locked strips

added xpm -> opengl stipple conversion script.

3 files changed, 59 insertions, 0 deletions

diff --git a/source/blender/editors/include/BIF_glutil.h b/source/blender/editors/include/BIF_glutil.h
index c9615204607..27bd31c20ff 100644
--- a/source/blender/editors/include/BIF_glutil.h
+++ b/source/blender/editors/include/BIF_glutil.h
@@ -52,6 +52,8 @@ void fdrawXORcirc(float xofs, float yofs, float rad);
 /* glStipple defines */
 extern unsigned char stipple_halftone[128];
 extern unsigned char stipple_quarttone[128];
+extern unsigned char stipple_diag_stripes_pos[128];
+extern unsigned char stipple_diag_stripes_neg[128];
 
 	/**
 	 * Draw a lined (non-looping) arc with the given
diff --git a/source/blender/editors/screen/glutil.c b/source/blender/editors/screen/glutil.c
index 2918c98c84a..f56ae17d366 100644
--- a/source/blender/editors/screen/glutil.c
+++ b/source/blender/editors/screen/glutil.c
@@ -92,6 +92,44 @@ GLubyte stipple_quarttone[128] = {
 	136,136,136,136,0,0,0,0,34,34,34,34,0,0,0,0};
 
 
+GLubyte stipple_diag_stripes_pos[128] = {
+    0x00, 0xff, 0x00, 0xff, 0x01, 0xfe, 0x01, 0xfe,
+	0x03, 0xfc, 0x03, 0xfc, 0x07, 0xf8, 0x07, 0xf8,
+	0x0f, 0xf0, 0x0f, 0xf0, 0x1f, 0xe0, 0x1f, 0xe0,
+	0x3f, 0xc0, 0x3f, 0xc0, 0x7f, 0x80, 0x7f, 0x80,
+	0xff, 0x00, 0xff, 0x00, 0xfe, 0x01, 0xfe, 0x01,
+	0xfc, 0x03, 0xfc, 0x03, 0xf8, 0x07, 0xf8, 0x07,
+	0xf0, 0x0f, 0xf0, 0x0f, 0xe0, 0x1f, 0xe0, 0x1f,
+	0xc0, 0x3f, 0xc0, 0x3f, 0x80, 0x7f, 0x80, 0x7f,
+	0x00, 0xff, 0x00, 0xff, 0x01, 0xfe, 0x01, 0xfe,
+	0x03, 0xfc, 0x03, 0xfc, 0x07, 0xf8, 0x07, 0xf8,
+	0x0f, 0xf0, 0x0f, 0xf0, 0x1f, 0xe0, 0x1f, 0xe0,
+	0x3f, 0xc0, 0x3f, 0xc0, 0x7f, 0x80, 0x7f, 0x80,
+	0xff, 0x00, 0xff, 0x00, 0xfe, 0x01, 0xfe, 0x01,
+	0xfc, 0x03, 0xfc, 0x03, 0xf8, 0x07, 0xf8, 0x07,
+	0xf0, 0x0f, 0xf0, 0x0f, 0xe0, 0x1f, 0xe0, 0x1f,
+	0xc0, 0x3f, 0xc0, 0x3f, 0x80, 0x7f, 0x80, 0x7f};
+
+
+GLubyte stipple_diag_stripes_neg[128] = {
+    0xff, 0x00, 0xff, 0x00, 0xfe, 0x01, 0xfe, 0x01,
+	0xfc, 0x03, 0xfc, 0x03, 0xf8, 0x07, 0xf8, 0x07,
+	0xf0, 0x0f, 0xf0, 0x0f, 0xe0, 0x1f, 0xe0, 0x1f,
+	0xc0, 0x3f, 0xc0, 0x3f, 0x80, 0x7f, 0x80, 0x7f,
+	0x00, 0xff, 0x00, 0xff, 0x01, 0xfe, 0x01, 0xfe,
+	0x03, 0xfc, 0x03, 0xfc, 0x07, 0xf8, 0x07, 0xf8,
+	0x0f, 0xf0, 0x0f, 0xf0, 0x1f, 0xe0, 0x1f, 0xe0,
+	0x3f, 0xc0, 0x3f, 0xc0, 0x7f, 0x80, 0x7f, 0x80,
+	0xff, 0x00, 0xff, 0x00, 0xfe, 0x01, 0xfe, 0x01,
+	0xfc, 0x03, 0xfc, 0x03, 0xf8, 0x07, 0xf8, 0x07,
+	0xf0, 0x0f, 0xf0, 0x0f, 0xe0, 0x1f, 0xe0, 0x1f,
+	0xc0, 0x3f, 0xc0, 0x3f, 0x80, 0x7f, 0x80, 0x7f,
+	0x00, 0xff, 0x00, 0xff, 0x01, 0xfe, 0x01, 0xfe,
+	0x03, 0xfc, 0x03, 0xfc, 0x07, 0xf8, 0x07, 0xf8,
+	0x0f, 0xf0, 0x0f, 0xf0, 0x1f, 0xe0, 0x1f, 0xe0,
+	0x3f, 0xc0, 0x3f, 0xc0, 0x7f, 0x80, 0x7f, 0x80};
+
+
 void fdrawbezier(float vec[4][3])
 {
 	float dist;
diff --git a/source/blender/editors/space_sequencer/sequencer_draw.c b/source/blender/editors/space_sequencer/sequencer_draw.c
index 594d2942e8f..98687bb90e0 100644
--- a/source/blender/editors/space_sequencer/sequencer_draw.c
+++ b/source/blender/editors/space_sequencer/sequencer_draw.c
@@ -639,6 +639,25 @@ static void draw_seq_strip(Scene *scene, ARegion *ar, Sequence *seq, int outline
 	/* draw sound wave */
 	if(seq->type == SEQ_SOUND) drawseqwave(scene, seq, x1, y1, x2, y2, (ar->v2d.cur.xmax - ar->v2d.cur.xmin)/ar->winx);
 
+	/* draw lock */
+	if(seq->flag & SEQ_LOCK) {
+		glEnable(GL_POLYGON_STIPPLE);
+		glEnable(GL_BLEND);
+
+		/* light stripes */
+		glColor4ub(255, 255, 255, 32);
+		glPolygonStipple(stipple_diag_stripes_pos);
+		glRectf(x1, y1, x2, y2);
+
+		/* dark stripes */
+		glColor4ub(0, 0, 0, 32);
+		glPolygonStipple(stipple_diag_stripes_neg);
+		glRectf(x1, y1, x2, y2);
+
+		glDisable(GL_POLYGON_STIPPLE);
+		glDisable(GL_BLEND);
+	}
+
 	get_seq_color3ubv(scene, seq, col);
 	if (G.moving && (seq->flag & SELECT)) {
 		if(seq->flag & SEQ_OVERLAP) {