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Blendop new
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[edit] Definition
INT blendop_new ( )
Creates a new blend table. This table will contain a blending effect, which you'll have to set afterwards, using the various functions. When that is done you can finally apply or assign the blend table to a graphic.
The source section of the blend table will be the normal object and the destination section will be cleared, removing translucency.
[edit] Returns
0 | - Error: insufficient memory or the screen was not yet initialized. |
!0 | - Success (pointer to the blend table). |
[edit] Notes
The right order of doing blending stuff: First create a new table with blendop_new(), then put a blending effect in it with for example blendop_tint(), and then assign it to a graphic with blendop_assign().
[edit] Errors
Insufficient memory | - There is insufficient memory available. This error doesn't occur often. |
[edit] Example
Program test; Private int blendTable; Begin set_mode(320,240,16); x = 160; y = 120; graph = new_map(100,100,16); map_clear(0,graph,RGB(255,255,255)); blendTable = blendop_new(); blendop_tint(blendTable,1,255,0,0); Repeat if (key(_space)) blendop_assign(0,graph,blendTable); else blendop_assign(0,graph,NULL); end frame; Until(key(_ESC)) OnExit unload_map(0,graph); End
Used in example: set_mode(), new_map(), map_clear(), blendop_new(), blendop_tint(), key(), blendop_assign(), unload_map()
This will result in something like:
Blendops Functions | |
• Blendop_apply() • Blendop_assign() • Blendop_free() • Blendop_grayscale() • Blendop_identity() • Blendop_intensity() • Blendop_new() • Blendop_swap() • Blendop_tint() • Blendop_translucency() • |