Android翻书翻页(支持硬翻软翻)

来源：互联网发布：全天时时彩计划数据编辑：程序博客网时间：2024/06/05 09:58
有一次公司有个需求,要求做翻页效果,支持硬翻和软翻,发现网上根本没有一个支持硬翻,软翻也没有几个效果好的,楼主就自己实现了一下.
软翻页是修改Harism/android_page_curl ,这个软翻页还是不错的,如果只要做软翻页可以直接用那个,或者把楼主的代码修改
下面贴一下硬翻页的类,最后会给源代码地址
public class HardSurface {    private static final int VERTEX_COUNT = 2;    private float mRotate = 0.0f; // 旋转角度    private float mtransaction = 0.0f; // 移动距离    private Bitmap[] coverBitmap; // 两面图片    private FloatBuffer verticeBuffer;    private FloatBuffer textureFrontBuffer;    private FloatBuffer textureBackBuffer;    private int[] textures;    public HardSurface() {        verticeBuffer = ByteBuffer.allocateDirect(VERTEX_COUNT * 8 * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();        verticeBuffer.position(0);        textureFrontBuffer = ByteBuffer.allocateDirect(VERTEX_COUNT * 8 * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();        textureFrontBuffer.position(0);        textureBackBuffer = ByteBuffer.allocateDirect(VERTEX_COUNT * 8 * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();        textureBackBuffer.position(0);    }    public boolean isNotHaveCover() {        return coverBitmap == null;    }    /**     * 设置旋转度数     *     * @param rotate     */    public float setRotate(float rotate) {        if (Float.isNaN(rotate)) {            return mRotate;        }        if (rotate < -180) {            this.mRotate = -180;        } else if (rotate > 0) {            this.mRotate = 0;        }        this.mRotate = rotate;        return mRotate;    }    /**     * 设置旋转移动距离  解决旋转时候移动的问题     *     * @param transaction     */    public void setTransaction(float transaction) {        this.mtransaction = transaction;    }    public void draw(GL10 gl) {        gl.glPushMatrix();        gl.glEnable(gl.GL_TEXTURE_2D);        gl.glEnable(gl.GL_BLEND);        gl.glEnable(gl.GL_CULL_FACE);        gl.glEnableClientState(gl.GL_VERTEX_ARRAY);        gl.glEnableClientState(gl.GL_TEXTURE_COORD_ARRAY);        gl.glVertexPointer(VERTEX_COUNT, gl.GL_FLOAT, 0, verticeBuffer);        gl.glTranslatef(mtransaction, 0, 0);        gl.glRotatef(mRotate, 0, 1, 0);        loadTexture(gl);        gl.glCullFace(GL10.GL_BACK);        drawFrontFace(gl);        gl.glCullFace(GL10.GL_FRONT);        drawBackFace(gl);        gl.glDisable(GL10.GL_TEXTURE_2D);        gl.glDisable(GL10.GL_BLEND);        gl.glDisable(GL10.GL_CULL_FACE);        gl.glDisableClientState(GL10.GL_VERTEX_ARRAY);        gl.glDisableClientState(GL10.GL_TEXTURE_COORD_ARRAY);        gl.glPopMatrix();    }    /**     * 画后面     *     * @param gl     */    private void drawBackFace(GL10 gl) {        if (textures != null) {            gl.glBindTexture(GL10.GL_TEXTURE_2D, textures[1]);        }        gl.glTexCoordPointer(2, GL10.GL_FLOAT, 0, textureBackBuffer);        gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4);    }    /**     * 画前面     *     * @param gl     */    private void drawFrontFace(GL10 gl) {        if (textures != null) {            gl.glBindTexture(GL10.GL_TEXTURE_2D, textures[0]);        }        gl.glTexCoordPointer(2, GL10.GL_FLOAT, 0, textureFrontBuffer);        gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4);    }    /**     * 加载纹理     *     * @param gl     */    private void loadTexture(GL10 gl) {        if (textures == null) {            textures = new int[2];            gl.glGenTextures(2, textures, 0);        }        gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT, GL10.GL_FASTEST);        for (int i = 0; i < 2; i++) {            gl.glBindTexture(GL10.GL_TEXTURE_2D, textures[i]);            gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER,                    GL10.GL_NEAREST);            gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER,                    GL10.GL_NEAREST);            gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S,                    GL10.GL_CLAMP_TO_EDGE);            gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T,                    GL10.GL_CLAMP_TO_EDGE);            GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, coverBitmap[i], 0);        }    }    /**     * 设置矩阵     *     * @param coverRect     */    public void setRect(RectF coverRect) {        verticeBuffer.put(coverRect.left);        verticeBuffer.put(coverRect.bottom);        verticeBuffer.put(coverRect.right);        verticeBuffer.put(coverRect.bottom);        verticeBuffer.put(coverRect.left);        verticeBuffer.put(coverRect.top);        verticeBuffer.put(coverRect.right);        verticeBuffer.put(coverRect.top);        verticeBuffer.position(0);    }    /**     * 设置前页面纹理矩阵     *     * @param vertices     */    public void setFrontTextureRect(float[] vertices) {        float left = vertices[0];        float bottom = vertices[1];        float right = vertices[2];        float top = vertices[3];        textureFrontBuffer.put(left);        textureFrontBuffer.put(top);        textureFrontBuffer.put(right);        textureFrontBuffer.put(top);        textureFrontBuffer.put(left);        textureFrontBuffer.put(bottom);        textureFrontBuffer.put(right);        textureFrontBuffer.put(bottom);        textureFrontBuffer.position(0);    }    /**     * 设置前页面纹理矩阵     *     * @param vertices     */    public void setFrontTextureRect(RectF vertices) {        float left = vertices.left;        float bottom = vertices.top;        float right = vertices.right;        float top = vertices.bottom;        textureFrontBuffer.put(left);        textureFrontBuffer.put(top);        textureFrontBuffer.put(right);        textureFrontBuffer.put(top);        textureFrontBuffer.put(left);        textureFrontBuffer.put(bottom);        textureFrontBuffer.put(right);        textureFrontBuffer.put(bottom);        textureFrontBuffer.position(0);    }    /**     * 设置后页面纹理矩阵     *     * @param vertices     */    public void setBackTextureRect(float[] vertices) {        float left = vertices[0];        float bottom = vertices[1];        float right = vertices[2];        float top = vertices[3];        textureBackBuffer.put(right);        textureBackBuffer.put(top);        textureBackBuffer.put(left);        textureBackBuffer.put(top);        textureBackBuffer.put(right);        textureBackBuffer.put(bottom);        textureBackBuffer.put(left);        textureBackBuffer.put(bottom);        textureBackBuffer.position(0);    }    /**     * 设置后页面纹理矩阵     *     * @param vertices     */    public void setBackTextureRect(RectF vertices) {        float left = vertices.left;        float bottom = vertices.top;        float right = vertices.right;        float top = vertices.bottom;        textureBackBuffer.put(right);        textureBackBuffer.put(top);        textureBackBuffer.put(left);        textureBackBuffer.put(top);        textureBackBuffer.put(right);        textureBackBuffer.put(bottom);        textureBackBuffer.put(left);        textureBackBuffer.put(bottom);        textureBackBuffer.position(0);    }    /**     * 设置图片     *     * @param bitmap     */    public void setCoverBitmap(Bitmap[] bitmap) {        if (bitmap != null) {            coverBitmap = new Bitmap[2];            this.coverBitmap = bitmap;        }    }}
主要是运用一些数学算法和opengl的一些相关知识,这个类是主要实现硬板翻页效果,其他都是一些渲染逻辑之类的.
源代码下载地址
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