add screen text color set interface

Change-Id: I2407166368b55b973c70a2edc377785b82d8481b

chart2/source/view/charttypes/GL3DBarChart.cxx

@@ -861,7 +861,7 @@ void GL3DBarChart::clickedAt(const Point& rPos, sal_uInt16 nButtons)
                                   rBarInfo.maPos.y + BAR_SIZE_Y / 2.0f,
                                   rBarInfo.maPos.z);
     maShapes.push_back(new opengl3D::ScreenText(mpRenderer.get(), *mpTextCache,
-                OUString("Value: ") + OUString::number(rBarInfo.mnVal), CALC_POS_EVENT_ID));
+                OUString("Value: ") + OUString::number(rBarInfo.mnVal), glm::vec4(0.0f, 0.0f, 1.0f, 1.0f), CALC_POS_EVENT_ID));
     opengl3D::ScreenText* pScreenText = static_cast<opengl3D::ScreenText*>(&maShapes.back());
     pScreenText->setPosition(glm::vec2(-0.9f, 0.9f), glm::vec2(-0.6f, 0.8f), aTextPos);
     pScreenText->render();
@@ -995,9 +995,9 @@ void GL3DBarChart::contextDestroyed()
     mbValidContext = false;
 }
 
-void GL3DBarChart::addScreenTextShape(OUString &nStr, glm::vec2 rLeftTop, float nTextHeight, const glm::vec3& rPos, sal_uInt32 nEvent)
+void GL3DBarChart::addScreenTextShape(OUString &nStr, glm::vec2 rLeftTop, float nTextHeight, const glm::vec3& rPos, const glm::vec4& rColor, sal_uInt32 nEvent)
 {
-    maScreenTextShapes.push_back(new opengl3D::ScreenText(mpRenderer.get(), *mpTextCache, nStr, nEvent));
+    maScreenTextShapes.push_back(new opengl3D::ScreenText(mpRenderer.get(), *mpTextCache, nStr, rColor, nEvent));
     const opengl3D::TextCacheItem& rTextCache = mpTextCache->getText(nStr);
     float nRectWidth = (float)rTextCache.maSize.Width() / (float)rTextCache.maSize.Height() * nTextHeight / 2.0f;
     opengl3D::ScreenText* pScreenText = static_cast<opengl3D::ScreenText*>(&maScreenTextShapes.back());
@@ -1017,7 +1017,7 @@ void GL3DBarChart::updateRenderFPS()
         osl_getSystemTime(&maFPSRenderStartTime);
     }
     osl_getSystemTime(&maFPSRenderEndTime);
-    addScreenTextShape(maFPS, glm::vec2(-0.99f, 0.99f), 0.06f);
+    addScreenTextShape(maFPS, glm::vec2(-0.99f, 0.99f), 0.06f, glm::vec3(0.0f, 0.0f, 0.0f), glm::vec4(1.0f, 0.0f, 0.0f, 1.0f));
 }
 
 int GL3DBarChart::calcTimeInterval(TimeValue &startTime, TimeValue &endTime)
@@ -1085,7 +1085,7 @@ void GL3DBarChart::updateClickEvent()
             if (idex + 1 == aList.size())
             {
                 aBarValue = OUString("Value: ") + OUString::number(*it);
-                maScreenTextShapes.push_back(new opengl3D::ScreenText(mpRenderer.get(), *mpTextCache, aBarValue, CALC_POS_EVENT_ID));
+                maScreenTextShapes.push_back(new opengl3D::ScreenText(mpRenderer.get(), *mpTextCache, aBarValue, glm::vec4(0.0f, 0.0f, 1.0f, 1.0f), CALC_POS_EVENT_ID));
                 const opengl3D::TextCacheItem& rTextCache = mpTextCache->getText(aBarValue);
                 float nRectWidth = (float)rTextCache.maSize.Width() / (float)rTextCache.maSize.Height() * 0.03;
                 std::map<sal_uInt32, const BarInformation>::const_iterator itr = maBarMap.find(nBarId);
@@ -1226,7 +1226,7 @@ void GL3DBarChart::updateScroll()
             for(size_t i = 0; i < aBarInfoList.size(); i++)
             {
                 OUString aBarValue = OUString("Value: ") + OUString::number(aBarInfoList[i].mnVal);
-                maScreenTextShapes.push_back(new opengl3D::ScreenText(mpRenderer.get(), *mpTextCache, aBarValue, CALC_POS_EVENT_ID));
+                maScreenTextShapes.push_back(new opengl3D::ScreenText(mpRenderer.get(), *mpTextCache, aBarValue, glm::vec4(0.0f, 0.0f, 1.0f, 1.0f), CALC_POS_EVENT_ID));
                 const opengl3D::TextCacheItem& rTextCache = mpTextCache->getText(aBarValue);
                 float nRectWidth = (float)rTextCache.maSize.Width() / (float)rTextCache.maSize.Height() * 0.03;
                 glm::vec3 aTextPos = glm::vec3(aBarInfoList[i].maPos.x + BAR_SIZE_X / 2.0f,

chart2/source/view/inc/3DChartObjects.hxx

@@ -108,7 +108,7 @@ private:
 class ScreenText : public Renderable3DObject
 {
 public:
-    ScreenText(OpenGL3DRenderer* pRenderer, TextCache& rTextCache, const OUString& rStr, sal_uInt32 nId);
+    ScreenText(OpenGL3DRenderer* pRenderer, TextCache& rTextCache, const OUString& rStr, glm::vec4 rColor, sal_uInt32 nId);
 
     virtual void render() SAL_OVERRIDE;
     void setPosition(const glm::vec2& rTopLeft, const glm::vec2& rBottomRight, glm::vec3 r3DPos = glm::vec3(0.0, 0.0, 0.0));
@@ -118,6 +118,7 @@ private:
     glm::vec2 maTopLeft;
     glm::vec2 maBottomRight;
     glm::vec3 ma3DPos;
+    glm::vec4 maColor;
 };
 
 class Rectangle : public Renderable3DObject

chart2/source/view/inc/GL3DBarChart.hxx

@@ -91,7 +91,10 @@ private:
     void updateDataUpdateFPS();
     DECL_LINK(updateTimer, void*);
     int calcTimeInterval(TimeValue &startTime, TimeValue &endTime);
-    void addScreenTextShape(OUString &nStr, glm::vec2 rLeftTop, float nTextHeight, const glm::vec3& rPos = glm::vec3(0.0f, 0.0f, 0.0f), sal_uInt32 nEvent = 0);
+    void addScreenTextShape(OUString &nStr, glm::vec2 rLeftTop, float nTextHeight,
+                                  const glm::vec3& rPos = glm::vec3(0.0f, 0.0f, 0.0f),
+                                  const glm::vec4& rColor = glm::vec4(0.0f, 0.0f, 1.0f, 1.0f),
+                                  sal_uInt32 nEvent = 0);
     void recordBarHistory(sal_uInt32 &nBarID, float &nVal);
     void updateClickEvent();
     void calcDistance(std::vector<sal_uInt32> &vectorNearest);

chart2/source/view/inc/GL3DRenderer.hxx

@@ -142,6 +142,7 @@ struct TextInfo
     GLuint texture;
     float vertex[12];
     glm::vec3 pos;
+    glm::vec4 textColor;
 };
 
 struct TextureArrayInfo
@@ -199,7 +200,7 @@ public:
                            sal_uInt32 nUniqueId);
     void CreateScreenTextTexture(const boost::shared_array<sal_uInt8> &bitmapBuf,
                                  ::Size maSizePixels, const glm::vec2& vTopLeft,
-                                 const glm::vec2& vBottomRight, glm::vec3 vPos, sal_uInt32 nUniqueId);
+                                 const glm::vec2& vBottomRight, glm::vec3 vPos, glm::vec4 screenTextColor, sal_uInt32 nUniqueId);
     void ProcessUnrenderedShape(bool bNewScene);
 
     void SetPickingMode(bool bPickingMode);

chart2/source/view/main/3DChartObjects.cxx

@@ -128,9 +128,10 @@ void Text::setPosition(const glm::vec3& rTopLeft, const glm::vec3& rTopRight, co
     maBottomRight = rBottomRight;
 }
 
-ScreenText::ScreenText(OpenGL3DRenderer* pRenderer, TextCache& rTextCache, const OUString& rStr, sal_uInt32 nId):
+ScreenText::ScreenText(OpenGL3DRenderer* pRenderer, TextCache& rTextCache, const OUString& rStr, glm::vec4 rColor, sal_uInt32 nId):
     Renderable3DObject(pRenderer, nId),
-    maText(rTextCache.getText(rStr))
+    maText(rTextCache.getText(rStr)),
+    maColor(rColor)
 {
 }
 
@@ -144,7 +145,7 @@ void ScreenText::setPosition(const glm::vec2& rTopLeft, const glm::vec2& rBottom
 void ScreenText::render()
 {
     mpRenderer->CreateScreenTextTexture(maText.maPixels, maText.maSize,
-                                        maTopLeft, maBottomRight, ma3DPos,
+                                        maTopLeft, maBottomRight, ma3DPos, maColor,
                                         mnUniqueId);
 }
 

chart2/source/view/main/GL3DRenderer.cxx

@@ -1670,7 +1670,7 @@ void OpenGL3DRenderer::RenderExtrude3DObject()
 void OpenGL3DRenderer::CreateScreenTextTexture(
         const boost::shared_array<sal_uInt8> &bitmapBuf,
         ::Size maSizePixels, const glm::vec2& vTopLeft,
-        const glm::vec2& vBottomRight, glm::vec3 vPos, sal_uInt32 nUniqueId)
+        const glm::vec2& vBottomRight, glm::vec3 vPos, glm::vec4 screenTextColor, sal_uInt32 nUniqueId)
 {
     long bmpWidth = maSizePixels.Width();
     long bmpHeight = maSizePixels.Height();
@@ -1694,6 +1694,7 @@ void OpenGL3DRenderer::CreateScreenTextTexture(
     aTextInfo.vertex[10] = vBottomRight.y;
     aTextInfo.vertex[11] = 0;
     aTextInfo.pos = vPos;
+    aTextInfo.textColor = screenTextColor;
 
     CHECK_GL_ERROR();
     glGenTextures(1, &aTextInfo.texture);
@@ -1881,8 +1882,6 @@ void OpenGL3DRenderer::ReleaseScreenTextTexture()
 void OpenGL3DRenderer::RenderScreenTextShape()
 {
     glUseProgram(maResources.m_ScreenTextProID);
-    glm::vec4 textColor = glm::vec4(0.0, 0.0, 1.0, 1.0);
-    glUniform4fv(maResources.m_ScreenTextColorID, 1, &textColor[0]);
     CHECK_GL_ERROR();
     for (size_t i = 0; i < m_ScreenTextInfoList.size(); i++)
     {
@@ -1910,6 +1909,7 @@ void OpenGL3DRenderer::RenderScreenTextShape()
                 }
             }
         }
+        glUniform4fv(maResources.m_ScreenTextColorID, 1, &textInfo.textColor[0]);
         glBindBuffer(GL_ARRAY_BUFFER, m_VertexBuffer);
         CHECK_GL_ERROR();
         glBufferData(GL_ARRAY_BUFFER, sizeof(textInfo.vertex), textInfo.vertex, GL_STATIC_DRAW);