evas/line - fix the line vertical drawing on gl backened.

SVN revision: 78034

legacy/evas/ChangeLog

@@ -1099,7 +1099,11 @@
 
        * Fix C code fallback line rendering path in software
 
+
 2012-10-17  Carsten Haitzler (The Rasterman)
 
        * Like 16bpp engine, 8bpp engine goes the way of the dodo.
 
+2012-10-16  ChunEon Park (Hermet)
+
+       * Fix the vertical line drawing on gl backened.

legacy/evas/src/modules/engines/gl_common/evas_gl_line.c

@@ -27,6 +27,21 @@ evas_gl_common_line_draw(Evas_Engine_GL_Context *gc, int x1, int y1, int x2, int
    cx = gc->dc->clip.x; cy = gc->dc->clip.y;
    cw = gc->dc->clip.w; ch = gc->dc->clip.h;
 
+   //Increment pixels since the gl line origin position is slightly different
+   if (x1 == x2)
+     {
+        if (gc->rot == 0)
+          x1++;
+     }
+
+   if (y1 == y2)
+     {
+        if ((gc->rot == 90) || (gc->rot == 180))
+          y1++;
+     }
+
+   x2++; y2++;
+
    evas_gl_common_context_line_push(gc, x1, y1, x2, y2,
                                     c, cx, cy, cw, ch,
                                     r, g, b, a);