public void applyInternalTransform(DrawContext dc) {
if (dc == null) {
String message = Logging.getMessage("nullValue.DrawContextIsNull");
Logging.logger().severe(message);
throw new IllegalStateException(message);
}
Texture texture = this.getTexture(dc);
if (texture == null) texture = this.requestTexture(dc);
if (texture == null) return;
if (texture.getMustFlipVertically()) {
GL gl = GLContext.getCurrent().getGL();
gl.glMatrixMode(GL.GL_TEXTURE);
gl.glLoadIdentity();
gl.glScaled(1, -1, 1);
gl.glTranslated(0, -1, 0);
}
}
