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	== Definition ==		== Definition ==
-	Blit flags are [[bit flags]] which can be passed to some [[:Category:Maps|map functions]], to specify a certain effect when [[blit]]ting a [[graph]].	+	Blit flags are [[bit flags]] which can be passed to some [[:Category:Maps|map functions]], to specify a certain effect when [[blit]]ting a [[graph]]. These functions are:
		+	* [[xput]]()
		+	* [[map_xput]]()
		+	* [[map_xputnp]]()
	In Fenix versions prior to 0.89c, the constants are not available and have to be declared or defined manually. Alternatively the values themselves can be used.		In Fenix versions prior to 0.89c, the constants are not available and have to be declared or defined manually. Alternatively the values themselves can be used.

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Revision as of 00:47, 4 May 2007

Definition

Blit flags are bit flags which can be passed to some map functions, to specify a certain effect when blitting a graph. These functions are:

• xput()
• map_xput()
• map_xputnp()

In Fenix versions prior to 0.89c, the constants are not available and have to be declared or defined manually. Alternatively the values themselves can be used.

List

Constant	- Value	- Description
B_HMIRROR	- 1	- Blit the graph horizontally mirrored.
B_VMIRROR	- 2	- Blit the graph vertically mirrored.
B_TRANSLUCENT	- 4	- Blit the graph with half transparency.
B_ALPHA	- 8	- Blit the graph in some way. (What does this do exactly?)
B_ABLEND	- 16	- Blit the graph using additive blending (nice effect for fire).
B_SBLEND	- 32	- Blit the graph using sustractive blending (nice effect for ghosting).
B_NOCOLORKEY	- 128	- Blit the transparent parts of the graph as black.