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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
commitd83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /opengl/java/android/opengl/Texture.java
parent076357b8567458d4b6dfdcf839ef751634cd2bfb (diff)
auto import from //depot/cupcake/@135843
Diffstat (limited to 'opengl/java/android/opengl/Texture.java')
-rw-r--r--opengl/java/android/opengl/Texture.java135
1 files changed, 0 insertions, 135 deletions
diff --git a/opengl/java/android/opengl/Texture.java b/opengl/java/android/opengl/Texture.java
deleted file mode 100644
index dcd894d19cfc..000000000000
--- a/opengl/java/android/opengl/Texture.java
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2006 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.opengl;
-
-import java.io.InputStream;
-import java.io.IOException;
-import java.nio.Buffer;
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import javax.microedition.khronos.opengles.GL10;
-
-import android.content.res.AssetManager;
-
-/**
- * {@hide}
- */
-public class Texture {
-
- private int width, height, bpp;
- private ByteBuffer data;
- private int name = -1;
-
- // Texture maps have the following format. All integers
- // are 16 bits, high byte first. Pixels are in 5/6/5
- // RGB format, low byte first.
- //
- // width
- // height
- // pixel (0, 0)
- // pixel (1, 0)
- // ...
- // pixel (width - 1, height - 1)
-
- private int readInt16(InputStream is) throws IOException {
- return is.read() | (is.read() << 8);
- }
-
- public Texture(InputStream is) throws IOException {
- this.width = readInt16(is);
- this.height = readInt16(is);
- this.bpp = 2;
-
- int npixels = width*height;
- int nbytes = npixels*bpp;
- byte[] arr = new byte[nbytes];
-
- int idx = 0;
- while (idx < nbytes) {
- int nread = is.read(arr, idx, nbytes - idx);
- idx += nread;
- }
-
- if (ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN) {
- // Swap pairs of bytes on big-endian platforms
- for (int i = 0; i < npixels; i++) {
- int j = i*2;
- int k = j + 1;
-
- byte tmp = arr[j];
- arr[j] = arr[k];
- arr[k] = tmp;
- }
- }
-
- this.data = ByteBuffer.allocateDirect(arr.length);
- this.data.order(ByteOrder.nativeOrder());
- data.put(arr);
- data.position(0);
- }
-
- private int loadTexture(GL10 gl,
- int textureUnit,
- int minFilter, int magFilter,
- int wrapS, int wrapT,
- int mode,
- int width, int height,
- int dataType,
- Buffer data) {
- int[] texture = new int[1];
- gl.glGenTextures(1, texture, 0);
-
- gl.glEnable(gl.GL_TEXTURE_2D);
- gl.glClientActiveTexture(textureUnit);
- gl.glBindTexture(gl.GL_TEXTURE_2D, texture[0]);
- gl.glTexParameterf(gl.GL_TEXTURE_2D,
- gl.GL_TEXTURE_MIN_FILTER,
- minFilter);
- gl.glTexParameterf(gl.GL_TEXTURE_2D,
- gl.GL_TEXTURE_MAG_FILTER,
- magFilter);
- gl.glTexParameterf(gl.GL_TEXTURE_2D,
- gl.GL_TEXTURE_WRAP_S,
- wrapS);
- gl.glTexParameterf(gl.GL_TEXTURE_2D,
- gl.GL_TEXTURE_WRAP_T,
- wrapT);
- gl.glTexEnvf(gl.GL_TEXTURE_ENV, gl.GL_TEXTURE_ENV_MODE, mode);
-
- gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGB,
- width, height,
- 0, gl.GL_RGB, dataType,
- data);
-
- return texture[0];
- }
-
- public void setTextureParameters(GL10 gl) {
- if (name < 0) {
- name = loadTexture(gl,
- gl.GL_TEXTURE0,
- gl.GL_NEAREST, gl.GL_NEAREST,
- gl.GL_REPEAT, gl.GL_REPEAT,
- gl.GL_MODULATE,
- width, height,
- gl.GL_UNSIGNED_SHORT_5_6_5,
- data);
- }
-
- gl.glBindTexture(gl.GL_TEXTURE_2D, name);
- }
-}