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more work on the java2d engine

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benfry
2005-02-14 16:32:19 +00:00
parent 02b08c67c1
commit a0c207f09e
3 changed files with 233 additions and 53 deletions
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44
processing/core/PImage.java
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@@ -84,9 +84,13 @@ public class PImage implements PConstants, Cloneable {
public int imageMode = CORNER;
public boolean smooth = false;
/** for gl subclass / hardware accel */
/** for subclasses that need to store info about the image */
public Object cache;
/** modified portion of the image */
public boolean modified;
public int mx1, my1, mx2, my2;
// private fields
private int fracU, ifU, fracV, ifV, u1, u2, v1, v2, sX, sY, iw, iw1, ih1;
private int ul, ll, ur, lr, cUL, cLL, cUR, cLR;
@@ -175,6 +179,44 @@ public class PImage implements PConstants, Cloneable {
}
public void modified() {
mx1 = 0;
my1 = 0;
mx2 = width;
my2 = height;
modified = true;
}
public void modified(int x, int y) {
if (x < mx1) mx1 = x;
if (x > mx2) mx2 = x;
if (y < my1) my1 = y;
if (y > my2) my2 = y;
modified = true;
}
public void modified(int x1, int y1, int x2, int y2) {
if (x1 < mx1) mx1 = x1;
if (x1 > mx2) mx2 = x1;
if (y1 < my1) my1 = y1;
if (y1 > my2) my2 = y1;
if (x2 < mx1) mx1 = x2;
if (x2 > mx2) mx2 = x2;
if (y2 < my1) my1 = y2;
if (y2 > my2) my2 = y2;
modified = true;
}
public void resetModified() {
mx1 = -Integer.MAX_VALUE;
my1 = -Integer.MAX_VALUE;
mx2 = Integer.MAX_VALUE;
my2 = Integer.MAX_VALUE;
}
/**
* Set alpha channel for an image.
*/