diff options
Diffstat (limited to 'src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkICCP.java')
-rw-r--r-- | src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkICCP.java | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkICCP.java b/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkICCP.java new file mode 100644 index 000000000..db1c1ba64 --- /dev/null +++ b/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkICCP.java @@ -0,0 +1,85 @@ +package jogamp.opengl.util.pngj.chunks;
+
+import jogamp.opengl.util.pngj.ImageInfo;
+import jogamp.opengl.util.pngj.PngHelper;
+
+/*
+ */
+public class PngChunkICCP extends PngChunk {
+ // http://www.w3.org/TR/PNG/#11iCCP
+ private String profileName;
+ private byte[] compressedProfile; // copmression/decopmresion is done in getter/setter
+
+ public PngChunkICCP(ImageInfo info) {
+ super(ChunkHelper.iCCP, info);
+ }
+
+ @Override
+ public boolean mustGoBeforeIDAT() {
+ return true;
+ }
+
+ @Override
+ public boolean mustGoBeforePLTE() {
+ return true;
+ }
+
+ @Override
+ public ChunkRaw createChunk() {
+ ChunkRaw c = createEmptyChunk(profileName.length() + compressedProfile.length + 2, true);
+ System.arraycopy(ChunkHelper.toBytes(profileName), 0, c.data, 0, profileName.length());
+ c.data[profileName.length()] = 0;
+ c.data[profileName.length() + 1] = 0;
+ System.arraycopy(compressedProfile, 0, c.data, profileName.length() + 2, compressedProfile.length);
+ return c;
+ }
+
+ @Override
+ public void parseFromChunk(ChunkRaw chunk) {
+ int pos0 = ChunkHelper.posNullByte(chunk.data);
+ profileName = new String(chunk.data, 0, pos0, PngHelper.charsetLatin1);
+ int comp = (chunk.data[pos0 + 1] & 0xff);
+ if (comp != 0)
+ throw new RuntimeException("bad compression for ChunkTypeICCP");
+ int compdatasize = chunk.data.length - (pos0 + 2);
+ compressedProfile = new byte[compdatasize];
+ System.arraycopy(chunk.data, pos0 + 2, compressedProfile, 0, compdatasize);
+ }
+
+ @Override
+ public void cloneDataFromRead(PngChunk other) {
+ PngChunkICCP otherx = (PngChunkICCP) other;
+ profileName = otherx.profileName;
+ compressedProfile = new byte[otherx.compressedProfile.length];
+ System.arraycopy(otherx.compressedProfile, 0, compressedProfile, 0, otherx.compressedProfile.length); // deep
+ // copy
+ }
+
+ /**
+ * The profile should be uncompressed bytes
+ */
+ public void setProfileNameAndContent(String name, byte[] profile) {
+ profileName = name;
+ compressedProfile = ChunkHelper.compressBytes(profile, true);
+ }
+
+ public void setProfileNameAndContent(String name, String profile) {
+ setProfileNameAndContent(name, profile.getBytes(PngHelper.charsetLatin1));
+ }
+
+ public String getProfileName() {
+ return profileName;
+ }
+
+ /**
+ * uncompressed
+ **/
+ public byte[] getProfile() {
+ return ChunkHelper.compressBytes(compressedProfile, false);
+ }
+
+ public String getProfileAsString() {
+ return new String(getProfile(), PngHelper.charsetLatin1);
+ }
+
+}
|