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| Width of a bitmap |
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Albin Engström
Member #8,110
December 2006
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How do i get the width of a bitmap? is there a handy function for this in allegro or do i have to make one myself? |
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X-G
Member #856
December 2000
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... BITMAP *b; b->w -- |
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CGamesPlay
Member #2,559
July 2002
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BITMAPClick it. -- Ryan Patterson - <http://cgamesplay.com/> |
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Albin Engström
Member #8,110
December 2006
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Thanks but what should i do if the bitmap is in a datafile? |
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23yrold3yrold
Member #1,134
March 2001
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Needs more brackets on that one IIRC. -- |
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CGamesPlay
Member #2,559
July 2002
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The dat member is a void*, so it doesn't have a w member. However, the void* is really a BITMAP, so we cast it: (BITMAP*) datafiles::sprites_enemies[1].dat. From there, we take the w member: ((BITMAP*) datafiles::sprites_enemies[1].dat)->w. This is the order of operations, and it is said that the -> binds "tighter" than the (BITMAP*), so we have to use parentheses to switch the order. -- Ryan Patterson - <http://cgamesplay.com/> |
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Albin Engström
Member #8,110
December 2006
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CGamesPlay
Member #2,559
July 2002
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My post has the right way to do it... -- Ryan Patterson - <http://cgamesplay.com/> |
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Albin Engström
Member #8,110
December 2006
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totally sweet |
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,
. thanks!