add scroll matrix and bars can scroll

Change-Id: Ic821faaa9dc02fd965f46a77136edaf7a87cf6fe

chart2/source/view/inc/GL3DRenderer.hxx

@@ -274,6 +274,7 @@ private:
                        sal_uInt32 nUniqueId);
     void SetHighLightBar(BatchBarInfo &barInfo);
     void DisableHighLightBar(BatchBarInfo &barInfo);
+    void CalcScrollMoveMatrix(bool bNewScene);
 private:
 
     struct ShaderResources
@@ -458,8 +459,11 @@ private:
     sal_uInt32 m_uiSelectID;
     float m_fScrollSpeed;
     float m_fScrollDistance;
+    float m_fCurDistance;
     float m_fMinCoordX;
     float m_fMaxCoordX;
+    glm::mat4 m_ScrollMoveMatrix;
+    bool m_bUndrawFlag;
 };
 
 }

chart2/source/view/main/GL3DRenderer.cxx

@@ -113,6 +113,8 @@ OpenGL3DRenderer::OpenGL3DRenderer():
     , m_fScrollDistance(0.0f)
     , m_fMinCoordX(0.0f)
     , m_fMaxCoordX(0.0f)
+    , m_fCurDistance(0.0f)
+    , m_bUndrawFlag(false)
 {
     m_Polygon3DInfo.lineOnly = false;
     m_Polygon3DInfo.twoSidesLighting = false;
@@ -2049,6 +2051,7 @@ void OpenGL3DRenderer::ProcessUnrenderedShape(bool bNewScene)
     glViewport(0, 0, m_iWidth, m_iHeight);
     ClearBuffer();
     CreateSceneBoxView();
+    CalcScrollMoveMatrix(bNewScene);
     //Polygon
     RenderPolygon3DObject();
     //Shape3DExtrudeObject
@@ -2300,6 +2303,17 @@ void OpenGL3DRenderer::SetSceneEdge(float minCoordX, float maxCoordX)
     m_fMaxCoordX = maxCoordX * 0.01;
 }
 
+void OpenGL3DRenderer::CalcScrollMoveMatrix(bool bNewScene)
+{
+    if (!maResources.m_bScrollFlag)
+        return;
+    if (bNewScene)
+        m_fCurDistance = -m_fScrollSpeed;
+    m_fCurDistance += m_fCurDistance >= m_fScrollDistance ? 0.0f : m_fScrollSpeed;
+    m_ScrollMoveMatrix = glm::translate(glm::vec3(-m_fCurDistance * 0.01, 0.0f, 0.0f));
+    m_bUndrawFlag = m_fCurDistance >= m_fScrollDistance ? true : false;
+}
+
 void OpenGL3DRenderer::RenderBatchBars(bool bNewScene)
 {
     if(bNewScene)
@@ -2323,6 +2337,13 @@ void OpenGL3DRenderer::RenderBatchBars(bool bNewScene)
     glBufferSubData(GL_UNIFORM_BUFFER, m_Batch3DActualSizeLight, sizeof(MaterialParameters), &m_Batchmaterial);
     CHECK_GL_ERROR();
     glBindBuffer(GL_UNIFORM_BUFFER, 0);
+    if (maResources.m_bScrollFlag)
+    {
+        glUniform1fv(maResources.m_3DBatchMinCoordXID, 1, &m_fMinCoordX);
+        glUniform1fv(maResources.m_3DBatchMaxCoordXID, 1, &m_fMaxCoordX);
+        glUniform1i(maResources.m_3DBatchUndrawID, m_bUndrawFlag);
+        glUniformMatrix4fv(maResources.m_3DBatchTransMatrixID, 1, GL_FALSE, &m_ScrollMoveMatrix[0][0]);
+    }
     glUniformMatrix4fv(maResources.m_3DBatchViewID, 1, GL_FALSE, &m_3DView[0][0]);
     glUniformMatrix4fv(maResources.m_3DBatchProjectionID, 1, GL_FALSE, &m_3DProjection[0][0]);
     CHECK_GL_ERROR();