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Java GL2.GL_CURRENT_BIT属性代码示例

本文整理汇总了Java中javax.media.opengl.GL2.GL_CURRENT_BIT属性的典型用法代码示例。如果您正苦于以下问题:Java GL2.GL_CURRENT_BIT属性的具体用法?Java GL2.GL_CURRENT_BIT怎么用?Java GL2.GL_CURRENT_BIT使用的例子?那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在javax.media.opengl.GL2的用法示例。


在下文中一共展示了GL2.GL_CURRENT_BIT属性的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: beginDrawLasso

private void beginDrawLasso(DrawContext dc) {
	//GL gl = dc.getGL();
	GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.

	int attributeMask =
		GL.GL_DEPTH_BUFFER_BIT // for depth test, depth mask and depth func
			| GL2.GL_TRANSFORM_BIT // for modelview and perspective
			| GL2.GL_VIEWPORT_BIT // for depth range
			| GL2.GL_CURRENT_BIT // for current color
			| GL2.GL_COLOR_BUFFER_BIT // for alpha test func and ref, and blend
			| GL2.GL_DEPTH_BUFFER_BIT // for depth func
			| GL2.GL_ENABLE_BIT; // for enable/disable changes
	gl.glPushAttrib(attributeMask);

	// Apply the depth buffer but don't change it.
	gl.glEnable(GL.GL_DEPTH_TEST);
	gl.glDepthFunc(GL.GL_ALWAYS);
	gl.glDepthMask(false);

	// Load a parallel projection with dimensions (viewportWidth, viewportHeight)
	int[] viewport = new int[4];
	gl.glGetIntegerv(GL.GL_VIEWPORT, viewport, 0);
	gl.glMatrixMode(GL2.GL_PROJECTION);
	gl.glPushMatrix();
	gl.glLoadIdentity();
	gl.glOrtho(0d, viewport[2], 0d, viewport[3], -1d, 1d);

	gl.glMatrixMode(GL2.GL_MODELVIEW);
	gl.glPushMatrix();
}
 
开发者ID:iedadata,项目名称:geomapapp,代码行数:30,代码来源:LassoSelectionHandler.java

示例2: beginDrawIcons

@Override
protected void beginDrawIcons(DrawContext dc) {
  GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.

	this.oglStackHandler.clear();

	int attributeMask =
		GL.GL_DEPTH_BUFFER_BIT // for depth test, depth mask and depth func
			| GL2.GL_TRANSFORM_BIT // for modelview and perspective
			| GL2.GL_VIEWPORT_BIT // for depth range
			| GL2.GL_CURRENT_BIT // for current color
			| GL.GL_COLOR_BUFFER_BIT // for alpha test func and ref, and blend
			| GL2.GL_TEXTURE_BIT // for texture env
			| GL.GL_DEPTH_BUFFER_BIT // for depth func
			| GL2.GL_ENABLE_BIT; // for enable/disable changes
	this.oglStackHandler.pushAttrib(gl, attributeMask);

	// Apply the depth buffer but don't change it.
	if ((!dc.isDeepPickingEnabled())) {
		gl.glEnable(GL.GL_DEPTH_TEST);
	}
	gl.glDepthMask(false);

	// Suppress any fully transparent image pixels
	gl.glEnable(GL2.GL_ALPHA_TEST);
	gl.glAlphaFunc(GL.GL_GREATER, 0.001f);

	// Load a parallel projection with dimensions (viewportWidth, viewportHeight)
	this.oglStackHandler.pushProjectionIdentity(gl);
	gl.glOrtho(0d, dc.getView().getViewport().width, 0d, dc.getView().getViewport().height, -16d, 16d);

	this.oglStackHandler.pushModelview(gl);
	this.oglStackHandler.pushTexture(gl);

	if (dc.isPickingMode())
	{
		this.pickSupport.beginPicking(dc);

		// Set up to replace the non-transparent texture colors with the single pick color.
		gl.glEnable(GL.GL_TEXTURE_2D);
		gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_COMBINE);
		gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_SRC0_RGB, GL2.GL_PREVIOUS);
		gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_COMBINE_RGB, GL2.GL_REPLACE);
	}
	else
	{
		gl.glEnable(GL.GL_TEXTURE_2D);
		gl.glEnable(GL.GL_BLEND);
		gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
	}

	//Only calculate pitch / heading once **
	heading = this.computeHeading(dc.getView());
	pitch = this.computePitch(dc.getView());
}
 
开发者ID:iedadata,项目名称:geomapapp,代码行数:55,代码来源:DetailedIconRenderer.java


注:本文中的javax.media.opengl.GL2.GL_CURRENT_BIT属性示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。