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work on alpha() in PImage, also cleaned up proper bounding of color

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This commit is contained in:
benfry
2004-09-03 16:41:20 +00:00
parent 79144af9c8
commit f7189225f7
4 changed files with 55 additions and 18 deletions
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19
processing/core/PGraphics.java
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@@ -5399,6 +5399,8 @@ public class PGraphics extends PImage
public final int color(int gray) { // ignore
if (color_rgb255) {
// bounds checking to make sure the numbers aren't to high or low
if (gray > 255) gray = 255; else if (gray < 0) gray = 0;
return 0xff000000 | (gray << 16) | (gray << 8) | gray;
}
calc_color(gray);
@@ -5413,7 +5415,11 @@ public class PGraphics extends PImage
public final int color(int gray, int alpha) { // ignore
if (color_rgb255) {
return (gray << 24) | (gray << 16) | (gray << 8) | gray;
// bounds checking to make sure the numbers aren't to high or low
if (gray > 255) gray = 255; else if (gray < 0) gray = 0;
if (alpha > 255) alpha = 255; else if (alpha < 0) alpha = 0;
return ((alpha & 0xff) << 24) | (gray << 16) | (gray << 8) | gray;
}
calc_color(gray, alpha);
return calci;
@@ -5427,6 +5433,11 @@ public class PGraphics extends PImage
public final int color(int x, int y, int z) { // ignore
if (color_rgb255) {
// bounds checking to make sure the numbers aren't to high or low
if (x > 255) x = 255; else if (x < 0) x = 0;
if (y > 255) y = 255; else if (y < 0) y = 0;
if (z > 255) z = 255; else if (z < 0) z = 0;
return 0xff000000 | (x << 16) | (y << 8) | z;
}
calc_color(x, y, z);
@@ -5441,6 +5452,12 @@ public class PGraphics extends PImage
public final int color(int x, int y, int z, int a) { // ignore
if (color_rgb255) {
// bounds checking to make sure the numbers aren't to high or low
if (a > 255) a = 255; else if (a < 0) a = 0;
if (x > 255) x = 255; else if (x < 0) x = 0;
if (y > 255) y = 255; else if (y < 0) y = 0;
if (z > 255) z = 255; else if (z < 0) z = 0;
return (a << 24) | (x << 16) | (y << 8) | z;
}
calc_color(x, y, z, a);