EXP-1511 REFIX Preview image overlays ui elements in Upload image floater

Tweaked offset and missed a corner case

indra/newview/llfloaterimagepreview.cpp

@@ -63,7 +63,7 @@
 const S32 PREVIEW_BORDER_WIDTH = 2;
 const S32 PREVIEW_RESIZE_HANDLE_SIZE = S32(RESIZE_HANDLE_WIDTH * OO_SQRT2) + PREVIEW_BORDER_WIDTH;
 const S32 PREVIEW_HPAD = PREVIEW_RESIZE_HANDLE_SIZE;
-const S32 PREVIEW_VPAD = 32;	// yuk, hard coded
+const S32 PREVIEW_VPAD = -24;	// yuk, hard coded
 const S32 PREF_BUTTON_HEIGHT = 16 + 7 + 16;
 const S32 PREVIEW_TEXTURE_HEIGHT = 320;
 
@@ -304,13 +304,13 @@ void LLFloaterImagePreview::draw()
 				gGL.begin( LLRender::QUADS );
 				{
 					gGL.texCoord2f(0.f, 1.f);
-					gGL.vertex2i(PREVIEW_HPAD, PREVIEW_TEXTURE_HEIGHT);
+					gGL.vertex2i(PREVIEW_HPAD, PREVIEW_TEXTURE_HEIGHT + PREVIEW_VPAD);
 					gGL.texCoord2f(0.f, 0.f);
 					gGL.vertex2i(PREVIEW_HPAD, PREVIEW_HPAD + PREF_BUTTON_HEIGHT + PREVIEW_HPAD);
 					gGL.texCoord2f(1.f, 0.f);
 					gGL.vertex2i(r.getWidth() - PREVIEW_HPAD, PREVIEW_HPAD + PREF_BUTTON_HEIGHT + PREVIEW_HPAD);
 					gGL.texCoord2f(1.f, 1.f);
-					gGL.vertex2i(r.getWidth() - PREVIEW_HPAD, PREVIEW_TEXTURE_HEIGHT);
+					gGL.vertex2i(r.getWidth() - PREVIEW_HPAD, PREVIEW_TEXTURE_HEIGHT + PREVIEW_VPAD);
 				}
 				gGL.end();