Action
Apply a scale to the current matrix.
Syntax
CmdScale sx, sy
Remarks
sx |
x scale factor, in signed 16. 16 bit fixed-point form |
sy |
y scale factor, in signed 16. 16 bit fixed-point form |
Example
' Pseudocode
' To zoom a bitmap 2X
Begin_G BITMAPS
CmdLoadIdentity
CmdScale 2 * 65536, 2 * 65536
CmdSetMatrix
Vertex2II 68, 28, 0, 0
' To zoom a bitmap 2X around its center
Begin_G BITMAPS
CmdLoadIdentity
CmdTranslate 65536 * 32, 65536 * 32
CmdScale 2 * 65536, 2 * 65536
CmdTranslate 65536 * -32, 65536 * -32
CmdSetMatrix
Vertex2II 68, 28, 0, 0
