Added TextureIO.newTexture wrapping an OpenGL texture ID from an

external library


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1770 232f8b59-042b-4e1e-8c03-345bb8c30851

3 files changed, 95 insertions, 0 deletions

diff --git a/src/classes/com/sun/opengl/util/texture/Texture.java b/src/classes/com/sun/opengl/util/texture/Texture.java
index aed480fe0..4e8c206bc 100755
--- a/src/classes/com/sun/opengl/util/texture/Texture.java
+++ b/src/classes/com/sun/opengl/util/texture/Texture.java
@@ -189,6 +189,23 @@ public class Texture {
         this.target = target;
     }
 
+    // Package-private constructor for creating a texture object which wraps
+    // an existing texture ID from another package
+    Texture(int textureID,
+	    int target,
+	    int texWidth,
+	    int texHeight,
+	    int imgWidth,
+	    int imgHeight,
+	    boolean mustFlipVertically) {
+	this.texID = textureID;
+	this.target = target;
+	this.mustFlipVertically = mustFlipVertically;
+	this.texWidth = texWidth;
+	this.texHeight = texHeight;
+	setImageSize(imgWidth, imgHeight, target);
+    }
+
     /**
      * Enables this texture's target (e.g., GL_TEXTURE_2D) in the
      * current GL context's state. This method is a shorthand equivalent
diff --git a/src/classes/com/sun/opengl/util/texture/TextureIO.java.javame_cdc_fp b/src/classes/com/sun/opengl/util/texture/TextureIO.java.javame_cdc_fp
index f39f1e4c0..fe4724310 100755
--- a/src/classes/com/sun/opengl/util/texture/TextureIO.java.javame_cdc_fp
+++ b/src/classes/com/sun/opengl/util/texture/TextureIO.java.javame_cdc_fp
@@ -490,6 +490,45 @@ public class TextureIO {
     }
 
     /**
+     * Wraps an OpenGL texture ID from an external library and allows
+     * some of the base methods from the Texture class, such as
+     * binding and querying of texture coordinates, to be used with
+     * it. Attempts to update such textures' contents will yield
+     * undefined results.
+     *
+     * @param textureID the OpenGL texture object to wrap
+     * @param target the OpenGL texture target, eg GL.GL_TEXTURE_2D, 
+     *               GL2.GL_TEXTURE_RECTANGLE
+     * @param texWidth the width of the texture in pixels
+     * @param texHeight the height of the texture in pixels
+     * @param imgWidth the width of the image within the texture in
+     *          pixels (if the content is a sub-rectangle in the upper
+     *          left corner); otherwise, pass in texWidth
+     * @param imgHeight the height of the image within the texture in
+     *          pixels (if the content is a sub-rectangle in the upper
+     *          left corner); otherwise, pass in texHeight
+     * @param mustFlipVertically indicates whether the texture
+     *                           coordinates must be flipped vertically
+     *                           in order to properly display the
+     *                           texture
+     */
+    public static Texture newTexture(int textureID,
+				     int target,
+				     int texWidth,
+				     int texHeight,
+				     int imgWidth,
+				     int imgHeight,
+				     boolean mustFlipVertically) {
+	return new Texture(textureID,
+			   target,
+			   texWidth,
+			   texHeight,
+			   imgWidth,
+			   imgHeight,
+			   mustFlipVertically);
+    }
+
+    /**
      * Writes the given texture to a file. The type of the file is
      * inferred from its suffix. An OpenGL context must be current in
      * order to fetch the texture data back from the OpenGL pipeline.
diff --git a/src/classes/com/sun/opengl/util/texture/TextureIO.java.javase b/src/classes/com/sun/opengl/util/texture/TextureIO.java.javase
index ebb59fa6f..2cb2d2c9f 100755
--- a/src/classes/com/sun/opengl/util/texture/TextureIO.java.javase
+++ b/src/classes/com/sun/opengl/util/texture/TextureIO.java.javase
@@ -490,6 +490,45 @@ public class TextureIO {
     }
 
     /**
+     * Wraps an OpenGL texture ID from an external library and allows
+     * some of the base methods from the Texture class, such as
+     * binding and querying of texture coordinates, to be used with
+     * it. Attempts to update such textures' contents will yield
+     * undefined results.
+     *
+     * @param textureID the OpenGL texture object to wrap
+     * @param target the OpenGL texture target, eg GL.GL_TEXTURE_2D, 
+     *               GL2.GL_TEXTURE_RECTANGLE
+     * @param texWidth the width of the texture in pixels
+     * @param texHeight the height of the texture in pixels
+     * @param imgWidth the width of the image within the texture in
+     *          pixels (if the content is a sub-rectangle in the upper
+     *          left corner); otherwise, pass in texWidth
+     * @param imgHeight the height of the image within the texture in
+     *          pixels (if the content is a sub-rectangle in the upper
+     *          left corner); otherwise, pass in texHeight
+     * @param mustFlipVertically indicates whether the texture
+     *                           coordinates must be flipped vertically
+     *                           in order to properly display the
+     *                           texture
+     */
+    public static Texture newTexture(int textureID,
+				     int target,
+				     int texWidth,
+				     int texHeight,
+				     int imgWidth,
+				     int imgHeight,
+				     boolean mustFlipVertically) {
+	return new Texture(textureID,
+			   target,
+			   texWidth,
+			   texHeight,
+			   imgWidth,
+			   imgHeight,
+			   mustFlipVertically);
+    }
+
+    /**
      * Writes the given texture to a file. The type of the file is
      * inferred from its suffix. An OpenGL context must be current in
      * order to fetch the texture data back from the OpenGL pipeline.