The Annoyance Filter.pdf - Fourmilab

92 FLASH STREAM DECODER ANNOYANCE-FILTER §113
113. The following data structures are used to represent rectangles and transformation matrices. We
don’t do anything with these quantities, but we need to understand their structure in order to skip over
them while looking for fields we are interested in.
〈 Flash file data structures 113 〉 ≡
typedef struct {
int xMin , xMax , yMin , yMax ;
} rect;
typedef struct {
int a;
int b;
int c;
int d;
int tx ;
int ty ;
} matrix;
This code is used in section 100.