OBD:PSpc: Difference between revisions

OBD:PSpc (view source)

Revision as of 20:43, 24 May 2008

136 bytes added , 24 May 2008

rephrased

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@@ Line 9: / Line 9: @@
 {{OBDtr| 0x00 | res_id   |FF0000| 01 39 00 00 | 57    | 00057-level_3_part.PSpc }}
 {{OBDtr| 0x04 | lev_id   |FFFF00| 01 00 00 06 | 3     | level 3 }}
-{{OBDtr| 0x08 | int16    |FFC8C8| 00 00       | 0     | x-coordinate of the first point on the texture }}
+{{OBDtr| 0x08 | int16    |FFC8C8| 00 00       | 0     | x-coordinate of top left corner of top left rectangle }}
 {{OBDtr| ...  | ...      |FFC8C8| ...         | ...   | ... }}
-{{OBDtr| 0x4E | int16    |FFC8C8| 00 00       | 0     | y-coordinate of the last point on the texture }}
+{{OBDtr| 0x4E | int16    |FFC8C8| 00 00       | 0     | y-coordinate of bottom right corner of bottom right rectangle }}
 {{OBDtr| 0x50 | link     |FFFFC8| 01 38 00 00 | 0     | link to 00056-h_03.[[OBD:TXMP|TXMP]] }}
 {{OBDtr| 0x54 | char[12] |C8FFC8| AD DE       | dead  | unused }}
@@ Line 17: / Line 17: @@
-;What's stored
+;What is stored
 :There are 9 rectangles stored in PSpc: 4 corners, 4 sides and one interior rectangle. Typically all 9 are used (to draw buttons for example) or only one is used (the top left corner, to draw checkboxes for example). There are cases where the top left corner and the interior rectangle are present which indicates that the code can choose what part to draw.
 :The reason for using 9 rectangles is to allow drawing of buttons (and anything else that has a border) in various sizes without distorting the image.
@@ Line 27: / Line 27: @@
 ;How it is stored
-:Each 2 int16 fields makes a texture coordinate. The first 9 texture are coordinates are the top left coordinate of each of the 9 rectangles and the next 9 coordinates are the bottom right coordinate of each of the 9 rectangles. When both coordinates are 0 then the rectangle is not used. The order of the coordinates is top bottom and left to right.
+:Every 2 int16 fields make a texture coordinate. The former 9 texture coordinates (18 bytes) are the top left corners of the 9 rectangles. The latter 9 coordinates are the bottom right corners of the 9 rectangles. When both coordinates are 0 then the rectangle is not used. The order of the coordinates is top to bottom and left to right. The natural order of the 9 rectangles is: top left, top, top right, left, center, right, bottom left, bottom, bottom right.
 {{OBD_File_Footer | type=PSpc | prev=PNTA | next=PSpL | name=Part Specification | family=Message}}