Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into developNewUI

AUTHORS

@@ -356,6 +356,7 @@ Developers:
 
     ThePickleMan
         Adding 'rotationIsDir' property to ParticleSystem.
+        DrawNode supports to draw triangle, quad bezier, cubic bezier.
 
     Jianghua (jxhgzs)
         Adding an additional transform for CCNode.

CHANGELOG

@@ -4,6 +4,7 @@ cocos2d-x-3.0final ?.? ?
      [FIX]          ControlSlider doesn't support to set selected thumb sprite.
      [FIX]          ControlButton doesn't support to set scale ratio of touchdown state.
      [FIX]          Websocket doesn't support send/receive data which larger than 4096 bytes.
+     [NEW]          DrawNode supports to draw triangle, quad bezier, cubic bezier.
 cocos2d-x-3.0beta Jan.7 2014
 [All]
      [NEW]          New label: shadow, outline, glow support

cocos/2d/CCDrawNode.cpp

@@ -456,6 +456,86 @@ void DrawNode::drawPolygon(Point *verts, int count, const Color4F &fillColor, fl
     free(extrude);
 }
 
+void DrawNode::drawTriangle(const Point &p1, const Point &p2, const Point &p3, const Color4F &color)
+{
+    unsigned int vertex_count = 2*3;
+    ensureCapacity(vertex_count);
+
+    Color4B col = Color4B(color);
+    V2F_C4B_T2F a = {Vertex2F(p1.x, p1.y), col, Tex2F(0.0, 0.0) };
+    V2F_C4B_T2F b = {Vertex2F(p2.x, p2.y), col, Tex2F(0.0,  0.0) };
+    V2F_C4B_T2F c = {Vertex2F(p3.x, p3.y), col, Tex2F(0.0,  0.0) };
+
+    V2F_C4B_T2F_Triangle *triangles = (V2F_C4B_T2F_Triangle *)(_buffer + _bufferCount);
+    V2F_C4B_T2F_Triangle triangle = {a, b, c};
+    triangles[0] = triangle;
+
+    _bufferCount += vertex_count;
+    _dirty = true;
+}
+
+void DrawNode::drawCubicBezier(const Point& from, const Point& control1, const Point& control2, const Point& to, unsigned int segments, const Color4F &color)
+{
+    unsigned int vertex_count = (segments + 1) * 3;
+    ensureCapacity(vertex_count);
+
+    Tex2F texCoord = Tex2F(0.0, 0.0);
+    Color4B col = Color4B(color);
+    Vertex2F vertex;
+    Vertex2F firstVertex = Vertex2F(from.x, from.y);
+    Vertex2F lastVertex = Vertex2F(to.x, to.y);
+
+    float t = 0;
+    for(unsigned int i = segments + 1; i > 0; i--)
+    {
+        float x = powf(1 - t, 3) * from.x + 3.0f * powf(1 - t, 2) * t * control1.x + 3.0f * (1 - t) * t * t * control2.x + t * t * t * to.x;
+        float y = powf(1 - t, 3) * from.y + 3.0f * powf(1 - t, 2) * t * control1.y + 3.0f * (1 - t) * t * t * control2.y + t * t * t * to.y;
+        vertex = Vertex2F(x, y);
+
+        V2F_C4B_T2F a = {firstVertex, col, texCoord };
+        V2F_C4B_T2F b = {lastVertex, col, texCoord };
+        V2F_C4B_T2F c = {vertex, col, texCoord };
+        V2F_C4B_T2F_Triangle triangle = {a, b, c};
+        ((V2F_C4B_T2F_Triangle *)(_buffer + _bufferCount))[0] = triangle;
+
+        lastVertex = vertex;
+        t += 1.0f / segments;
+        _bufferCount += 3;
+    }
+    _dirty = true;
+}
+
+void DrawNode::drawQuadraticBezier(const Point& from, const Point& control, const Point& to, unsigned int segments, const Color4F &color)
+{
+    unsigned int vertex_count = (segments + 1) * 3;
+    ensureCapacity(vertex_count);
+
+    Tex2F texCoord = Tex2F(0.0, 0.0);
+    Color4B col = Color4B(color);
+    Vertex2F vertex;
+    Vertex2F firstVertex = Vertex2F(from.x, from.y);
+    Vertex2F lastVertex = Vertex2F(to.x, to.y);
+
+    float t = 0;
+    for(unsigned int i = segments + 1; i > 0; i--)
+    {
+        float x = powf(1 - t, 2) * from.x + 2.0f * (1 - t) * t * control.x + t * t * to.x;
+        float y = powf(1 - t, 2) * from.y + 2.0f * (1 - t) * t * control.y + t * t * to.y;
+        vertex = Vertex2F(x, y);
+
+        V2F_C4B_T2F a = {firstVertex, col, texCoord };
+        V2F_C4B_T2F b = {lastVertex, col, texCoord };
+        V2F_C4B_T2F c = {vertex, col, texCoord };
+        V2F_C4B_T2F_Triangle triangle = {a, b, c};
+        ((V2F_C4B_T2F_Triangle *)(_buffer + _bufferCount))[0] = triangle;
+
+        lastVertex = vertex;
+        t += 1.0f / segments;
+        _bufferCount += 3;
+    }
+    _dirty = true;
+}
+
 void DrawNode::clear()
 {
     _bufferCount = 0;

cocos/2d/CCDrawNode.h

@@ -63,6 +63,15 @@ public:
     * @endcode
     */
     void drawPolygon(Point *verts, int count, const Color4F &fillColor, float borderWidth, const Color4F &borderColor);
+	
+    /** draw a triangle with color */
+    void drawTriangle(const Point &p1, const Point &p2, const Point &p3, const Color4F &color);
+
+    /** draw a cubic bezier curve with color and number of segments */
+    void drawCubicBezier(const Point& from, const Point& control1, const Point& control2, const Point& to, unsigned int segments, const Color4F &color);
+
+    /** draw a quadratic bezier curve with color and number of segments */
+    void drawQuadraticBezier(const Point& from, const Point& control, const Point& to, unsigned int segments, const Color4F &color);
     
     /** Clear the geometry in the node's buffer. */
     void clear();

cocos/2d/platform/CCImageCommon_cpp.h

@@ -376,7 +376,7 @@ namespace
 //////////////////////////////////////////////////////////////////////////
 
 Image::Image()
-: _data(0)
+: _data(nullptr)
 , _dataLen(0)
 , _width(0)
 , _height(0)
@@ -391,10 +391,7 @@ Image::Image()
 
 Image::~Image()
 {
-    if (_data != nullptr)
-    {
-        free(_data);
-    }
+    CC_SAFE_FREE(_data);
 }
 
 bool Image::initWithImageFile(const std::string& path)
@@ -1539,7 +1536,7 @@ bool Image::initWithTGAData(tImageTGA* tgaData)
         
     }while(false);
     
-    if (!ret)
+    if (ret)
     {
         const unsigned char tgaSuffix[] = ".tga";
         for(int i = 0; i < 4; ++i)
@@ -1556,6 +1553,7 @@ bool Image::initWithTGAData(tImageTGA* tgaData)
         if (tgaData->imageData != nullptr)
         {
             free(tgaData->imageData);
+            _data = nullptr;
         }
     }
     

extensions/GUI/CCControlExtension/CCControlSlider.cpp

@@ -109,7 +109,7 @@ bool ControlSlider::initWithSprites(Sprite * backgroundSprite, Sprite* progressS
     Sprite* selectedThumbSprite = Sprite::createWithTexture(thumbSprite->getTexture(),
         thumbSprite->getTextureRect());
     selectedThumbSprite->setColor(Color3B::GRAY);
-    this->initWithSprites(backgroundSprite, progressSprite, thumbSprite, selectedThumbSprite);
+    return this->initWithSprites(backgroundSprite, progressSprite, thumbSprite, selectedThumbSprite);
 }
 
  bool ControlSlider::initWithSprites(Sprite * backgroundSprite, Sprite* progressSprite, Sprite* thumbSprite,

samples/Cpp/TestCpp/Classes/DrawPrimitivesTest/DrawPrimitivesTest.cpp

@@ -302,6 +302,14 @@ DrawNodeTest::DrawNodeTest()
     draw->drawSegment(Point(20,s.height), Point(20,s.height/2), 10, Color4F(0, 1, 0, 1));
 
     draw->drawSegment(Point(10,s.height/2), Point(s.width/2, s.height/2), 40, Color4F(1, 0, 1, 0.5));
+
+	// Draw triangle
+    draw->drawTriangle(Point(10, 10), Point(70, 30), Point(100, 140), Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5));
+	
+	// Draw some beziers
+    draw->drawQuadraticBezier(Point(s.width - 150, s.height - 150), Point(s.width - 70, s.height - 10), Point(s.width - 10, s.height - 10), 10, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5));
+
+    draw->drawCubicBezier(Point(s.width - 250, 40), Point(s.width - 70, 100), Point(s.width - 30, 250), Point(s.width - 10, s.height - 50), 10, Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 0.5));
 }
 
 string DrawNodeTest::title() const