Difference between revisions of "FillArea"
From WikiPrizm
Jump to navigationJump to search (Adding functions based on the useful Prizm routines thread.) |
(Don't use a hard-coded address.) |
||
| (6 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
| + | == Synopsis == | ||
Fills a rectangular area of (width,height) with upper-left corner at (x,y) | Fills a rectangular area of (width,height) with upper-left corner at (x,y) | ||
| − | <nowiki> | + | == Source code == |
| − | void fillArea(unsigned x,unsigned y,unsigned w,unsigned h,unsigned short col){ | + | <nowiki>void fillArea(unsigned x,unsigned y,unsigned w,unsigned h,unsigned short col){ |
| − | unsigned short*s=(unsigned short*) | + | unsigned short*s=(unsigned short*)GetVRAMAddress(); |
s+=(y*384)+x; | s+=(y*384)+x; | ||
while(h--){ | while(h--){ | ||
| Line 10: | Line 11: | ||
s+=384-w; | s+=384-w; | ||
} | } | ||
| − | } | + | }</nowiki> |
| − | </ | + | |
| + | == Inputs == | ||
| + | x - X coordinate of the upper-left corner.<br /> | ||
| + | x - Y coordinate of the upper-left corner.<br /> | ||
| + | w - Width of the filled rectangle.<br /> | ||
| + | h - Height of the filled rectangle.<br /> | ||
| + | col - Color of the filled rectangle.<br /> | ||
| + | == Comment == | ||
| + | Function written by ProgrammerNerd | ||
| + | [[Category: Useful Routines]] | ||
Latest revision as of 19:14, 1 May 2021
Contents
Synopsis
Fills a rectangular area of (width,height) with upper-left corner at (x,y)
Source code
void fillArea(unsigned x,unsigned y,unsigned w,unsigned h,unsigned short col){
unsigned short*s=(unsigned short*)GetVRAMAddress();
s+=(y*384)+x;
while(h--){
unsigned w2=w;
while(w2--)
*s++=col;
s+=384-w;
}
}
Inputs
x - X coordinate of the upper-left corner.
x - Y coordinate of the upper-left corner.
w - Width of the filled rectangle.
h - Height of the filled rectangle.
col - Color of the filled rectangle.
Comment
Function written by ProgrammerNerd
