-Codechange: Don't crash if some border sprites are missing.


git-svn-id: https://freerct.googlecode.com/svn/trunk@1311 d3bf82d2-0c16-e458-5408-27be57bd1276
-Add: Add tab-bar border sprites, and remove some currently unused border sprites.


git-svn-id: https://freerct.googlecode.com/svn/trunk@1312 d3bf82d2-0c16-e458-5408-27be57bd1276
-Add: Add widgets for the tab-bar + panel.


git-svn-id: https://freerct.googlecode.com/svn/trunk@1313 d3bf82d2-0c16-e458-5408-27be57bd1276
-Feature: Buy-ride GUI uses a tab-bar to select the ride type.


git-svn-id: https://freerct.googlecode.com/svn/trunk@1314 d3bf82d2-0c16-e458-5408-27be57bd1276
-Codechange: Move gradient-shift functions to a header.


git-svn-id: https://freerct.googlecode.com/svn/trunk@1315 d3bf82d2-0c16-e458-5408-27be57bd1276
-Fix: Getting the last pixel of a sprite failed.


git-svn-id: https://freerct.googlecode.com/svn/trunk@1316 d3bf82d2-0c16-e458-5408-27be57bd1276
-Change: Try to optimize window drawing by filling the center instead of blitting lots of small sprites.


git-svn-id: https://freerct.googlecode.com/svn/trunk@1317 d3bf82d2-0c16-e458-5408-27be57bd1276