diff options
Diffstat (limited to 'src/java/com/jogamp')
-rwxr-xr-x | src/java/com/jogamp/common/nio/Buffers.java | 58 |
1 files changed, 48 insertions, 10 deletions
diff --git a/src/java/com/jogamp/common/nio/Buffers.java b/src/java/com/jogamp/common/nio/Buffers.java index 0c16b4d..7e5f8eb 100755 --- a/src/java/com/jogamp/common/nio/Buffers.java +++ b/src/java/com/jogamp/common/nio/Buffers.java @@ -206,6 +206,44 @@ public class Buffers { } /** + * Calls slice on the concrete buffer type. + */ + public static Buffer slice(Buffer buffer) { + if (buffer instanceof ByteBuffer) { + return ((ByteBuffer) buffer).slice(); + } else if (buffer instanceof IntBuffer) { + return ((IntBuffer) buffer).slice(); + } else if (buffer instanceof ShortBuffer) { + return ((ShortBuffer) buffer).slice(); + } else if (buffer instanceof FloatBuffer) { + return ((FloatBuffer) buffer).slice(); + } else if (Platform.isJavaSE()) { + if (buffer instanceof DoubleBuffer) { + return ((DoubleBuffer) buffer).slice(); + } else if (buffer instanceof LongBuffer) { + return ((LongBuffer) buffer).slice(); + } else if (buffer instanceof CharBuffer) { + return ((CharBuffer) buffer).slice(); + } + } + throw new IllegalArgumentException("unexpected buffer type: " + buffer.getClass()); + } + + /** + * Slices the specified buffer with offset as position and offset+size as limit. + */ + public static Buffer slice(Buffer buffer, int offset, int size) { + int pos = buffer.position(); + int limit = buffer.limit(); + + buffer.position(offset).limit(offset+size); + Buffer slice = slice(buffer); + + buffer.position(pos).limit(limit); + return slice; + } + + /** * Helper routine to set a ByteBuffer to the native byte order, if * that operation is supported by the underlying NIO * implementation. @@ -277,7 +315,7 @@ public class Buffers { return ((CharBuffer) buf).isDirect(); } } - throw new RuntimeException("Unexpected buffer type " + buf.getClass().getName()); + throw new IllegalArgumentException("Unexpected buffer type " + buf.getClass().getName()); } /** @@ -316,7 +354,7 @@ public class Buffers { return pointerBuffer.position() * PointerBuffer.elementSize(); } - throw new RuntimeException("Disallowed array backing store type in buffer " + buf.getClass().getName()); + throw new IllegalArgumentException("Disallowed array backing store type in buffer " + buf.getClass().getName()); } /** @@ -349,7 +387,7 @@ public class Buffers { } } - throw new RuntimeException("Disallowed array backing store type in buffer " + buf.getClass().getName()); + throw new IllegalArgumentException("Disallowed array backing store type in buffer " + buf.getClass().getName()); } /** @@ -389,7 +427,7 @@ public class Buffers { return PointerBuffer.elementSize() * (pointerBuffer.arrayOffset() + pointerBuffer.position()); } - throw new RuntimeException("Unknown buffer type " + buf.getClass().getName()); + throw new IllegalArgumentException("Unknown buffer type " + buf.getClass().getName()); } @@ -543,7 +581,7 @@ public class Buffers { return ((CharBuffer) dest).put((CharBuffer) src); } } - throw new RuntimeException("Incompatible Buffer classes: dest = " + dest.getClass().getName() + ", src = " + src.getClass().getName()); + throw new IllegalArgumentException("Incompatible Buffer classes: dest = " + dest.getClass().getName() + ", src = " + src.getClass().getName()); } public static Buffer putb(Buffer dest, byte v) { @@ -554,7 +592,7 @@ public class Buffers { } else if (dest instanceof IntBuffer) { return ((IntBuffer) dest).put((int) v); } else { - throw new RuntimeException("Byte doesn't match Buffer Class: " + dest); + throw new IllegalArgumentException("Byte doesn't match Buffer Class: " + dest); } } @@ -564,7 +602,7 @@ public class Buffers { } else if (dest instanceof IntBuffer) { return ((IntBuffer) dest).put((int) v); } else { - throw new RuntimeException("Short doesn't match Buffer Class: " + dest); + throw new IllegalArgumentException("Short doesn't match Buffer Class: " + dest); } } @@ -572,7 +610,7 @@ public class Buffers { if (dest instanceof IntBuffer) { ((IntBuffer) dest).put(v); } else { - throw new RuntimeException("Integer doesn't match Buffer Class: " + dest); + throw new IllegalArgumentException("Integer doesn't match Buffer Class: " + dest); } } @@ -584,14 +622,14 @@ public class Buffers { ((IntBuffer) dest).put(FixedPoint.toFixed(v)); */ } else { - throw new RuntimeException("Float doesn't match Buffer Class: " + dest); + throw new IllegalArgumentException("Float doesn't match Buffer Class: " + dest); } } public static void putd(Buffer dest, double v) { if (dest instanceof FloatBuffer) { ((FloatBuffer) dest).put((float) v); } else { - throw new RuntimeException("Double doesn't match Buffer Class: " + dest); + throw new IllegalArgumentException("Double doesn't match Buffer Class: " + dest); } } |