implement shape basics sw engine.

Change-Id: I93788f40f7c4f59bcc9ab4dff9127bcb4e6c1466

inc/tizenvg.h

@@ -91,13 +91,16 @@ public:
     ~ShapeNode();
 
     int update(RasterMethod* engine) noexcept override;
+    int clear() noexcept;
 
     int appendRect(float x, float y, float w, float h, float radius) noexcept;
     int appendCircle(float cx, float cy, float radius) noexcept;
-    int fill(uint32_t r, uint32_t g, uint32_t b, uint32_t a) noexcept;
-    int clear() noexcept;
-    int pathCommands(const PathCommand** cmds) noexcept;
-    int pathCoords(const Point** pts) noexcept;
+
+    int fill(size_t r, size_t g, size_t b, size_t a) noexcept;
+
+    int pathCommands(const PathCommand** cmds) const noexcept;
+    int pathCoords(const Point** pts) const noexcept;
+    int fill(size_t* r, size_t* g, size_t* b, size_t* a) const noexcept;
 
     static std::unique_ptr<ShapeNode> gen() noexcept;
 

src/lib/gl_engine/tvgGlRaster.cpp

@@ -23,11 +23,22 @@
 
 static GlRaster* pInst = nullptr;
 
-void* GlRaster::prepare(ShapeNode* shape, void* data)
+struct GlShape
 {
-    cout << "GlRaster prepare!!" << endl;
+    //TODO:
+};
 
-    return nullptr;
+
+void* GlRaster::prepare(const ShapeNode& shape, void* data)
+{
+    //prepare shape data
+    GlShape* sdata = static_cast<GlShape*>(data);
+    if (!sdata) {
+        sdata = static_cast<GlShape*>(calloc(1, sizeof(GlShape)));
+        assert(sdata);
+    }
+
+    return sdata;
 }
 
 

src/lib/gl_engine/tvgGlRaster.h

@@ -23,7 +23,7 @@ namespace tvg
 class GlRaster : public RasterMethod
 {
 public:
-    void* prepare(ShapeNode* shape, void* data) override;
+    void* prepare(const ShapeNode& shape, void* data) override;
     static GlRaster* inst();
     static int init();
     static int term();

src/lib/sw_engine/tvgSwCommon.h

@@ -20,29 +20,31 @@
 #include "tvgCommon.h"
 
 using namespace tvg;
-using SwPos = signed long;
 
-struct SwVector
-{
-  SwPos  x;
-  SwPos  y;
-};
+constexpr auto SW_CURVE_TAG_ON = 1;
+constexpr auto SW_CURVE_TAG_CUBIC = 2;
 
 struct SwOutline
 {
-  short*      cntrs;           /* the contour end points             */
-  short       cntrsCnt;        /* number of contours in glyph        */
-  SwVector*   pts;             /* the outline's points               */
-  short       ptsCnt;          /* number of points in the glyph      */
-  char*       tags;            /* the points flags                   */
-  int         flags;           /* outline masks                      */
+  size_t*     cntrs;            //the contour end points
+  size_t      cntrsCnt;         //number of contours in glyph
+  size_t      reservedCntrsCnt;
+  Point*      pts;              //the outline's points
+  size_t      ptsCnt;           //number of points in the glyph
+  size_t      reservedPtsCnt;
+  char*       tags;             //the points flags
+  size_t      flags;            //outline masks
 };
 
 struct SwShape
 {
-    SwOutline outline;
+//    SwRleRaster raster;
+    SwOutline*   outline;
 };
 
-bool shapeGenOutline(ShapeNode *shape, SwShape* sdata);
+bool shapeGenOutline(const ShapeNode& shape, SwShape& sdata);
+void shapeDelOutline(const ShapeNode& shape, SwShape& sdata);
+bool shapeGenRle(const ShapeNode& shape, SwShape& sdata);
+bool shapeUpdateBBox(const ShapeNode& shape, SwShape& sdata);
 
 #endif /* _TVG_SW_COMMON_H_ */

src/lib/sw_engine/tvgSwRaster.cpp

@@ -26,16 +26,31 @@
 
 static SwRaster* pInst = nullptr;
 
+/************************************************************************/
+/* External Class Implementation                                        */
+/************************************************************************/
 
-void* SwRaster::prepare(ShapeNode *shape, void* data)
+void* SwRaster::prepare(const ShapeNode& shape, void* data)
 {
-    SwShape *sdata = static_cast<SwShape*>(data);
+    //prepare shape data
+    SwShape* sdata = static_cast<SwShape*>(data);
     if (!sdata) {
         sdata = static_cast<SwShape*>(calloc(1, sizeof(SwShape)));
         assert(sdata);
     }
 
-    bool closed = shapeGenOutline(shape, sdata);
+    //invisible?
+    size_t alpha;
+    shape.fill(nullptr, nullptr, nullptr, &alpha);
+    if (alpha == 0) return sdata;
+
+    if (!shapeGenOutline(shape, *sdata)) return sdata;
+
+    //TODO: From below sequence starts threading?
+    if (!shapeGenRle(shape, *sdata)) return sdata;
+    if (!shapeUpdateBBox(shape, *sdata)) return sdata;
+
+    shapeDelOutline(shape, *sdata);
 
     return sdata;
 }

src/lib/sw_engine/tvgSwRaster.h

@@ -20,7 +20,7 @@
 class SwRaster : public RasterMethod
 {
 public:
-    void* prepare(ShapeNode* shape, void* data) override;
+    void* prepare(const ShapeNode& shape, void* data) override;
     static SwRaster* inst();
     static int init();
     static int term();

src/lib/sw_engine/tvgSwShape.cpp

@@ -19,86 +19,188 @@
 
 #include "tvgSwCommon.h"
 
-static void growOutlineContour(SwShape *sdata, size_t n)
-{
-    sdata->outline.cntrsCnt = n;
+/************************************************************************/
+/* Internal Class Implementation                                        */
+/************************************************************************/
 
+static void growOutlineContour(SwOutline& outline, size_t n)
+{
     if (n == 0) {
-        free(sdata->outline.cntrs);
-        sdata->outline.cntrs = nullptr;
+        free(outline.cntrs);
+        outline.cntrs = nullptr;
+        outline.cntrsCnt = 0;
+        outline.reservedCntrsCnt = 0;
         return;
     }
-    sdata->outline.cntrs = static_cast<short *>(realloc(sdata->outline.cntrs, n * sizeof(short)));
-    assert(sdata->outline.cntrs);
+    if (outline.reservedCntrsCnt >= outline.cntrsCnt + n) return;
+
+    cout << "Grow Cntrs: " << outline.reservedCntrsCnt << " -> " << outline.cntrsCnt + n << endl;;
+    outline.reservedCntrsCnt = n;
+    outline.cntrs = static_cast<size_t*>(realloc(outline.cntrs, n * sizeof(size_t)));
+    assert(outline.cntrs);
 }
 
 
-static void growOutlinePoint(SwShape *sdata, size_t n)
+static void growOutlinePoint(SwOutline& outline, size_t n)
 {
-    sdata->outline.ptsCnt = n;
-
     if (n == 0) {
-        free(sdata->outline.pts);
-        sdata->outline.pts = nullptr;
-        free(sdata->outline.tags);
-        sdata->outline.tags = nullptr;
+        free(outline.pts);
+        outline.pts = nullptr;
+        free(outline.tags);
+        outline.tags = nullptr;
+        outline.reservedPtsCnt = 0;
+        outline.ptsCnt = 0;
         return;
     }
 
-    sdata->outline.pts = static_cast<SwVector *>(realloc(sdata->outline.pts, n * sizeof(SwVector)));
-    assert(sdata->outline.pts);
-    sdata->outline.tags = static_cast<char*>(realloc(sdata->outline.tags, n * sizeof(char)));
-    assert(sdata->outline.tags);
+    if (outline.reservedPtsCnt >= outline.ptsCnt + n) return;
+
+    cout << "Grow Pts: " << outline.reservedPtsCnt << " -> " << outline.ptsCnt + n << endl;
+    outline.reservedPtsCnt = n;
+    outline.pts = static_cast<Point*>(realloc(outline.pts, n * sizeof(Point)));
+    assert(outline.pts);
+    outline.tags = static_cast<char*>(realloc(outline.tags, n * sizeof(char)));
+    assert(outline.tags);
 }
 
 
-static void outlineEnd(SwShape* sdata)
+static void outlineEnd(SwOutline& outline)
 {
-    //grow contour 1
+    growOutlineContour(outline, 1);
+    if (outline.ptsCnt > 0) {
+        outline.cntrs[outline.cntrsCnt] = outline.ptsCnt - 1;
+        ++outline.cntrs;
+    }
 }
 
 
-static void outlineMoveTo(SwShape* sdata, const Point* pt)
+static void outlineMoveTo(SwOutline& outline, const Point* pt)
 {
-    //grow pts 1,
-    //grow contour 1
+    assert(pt);
+
+    growOutlinePoint(outline, 1);
+
+    outline.pts[outline.ptsCnt] = *pt;
+    outline.tags[outline.ptsCnt] = SW_CURVE_TAG_ON;
+
+    if (outline.ptsCnt > 0) {
+        growOutlineContour(outline, 1);
+        outline.cntrs[outline.cntrsCnt] = outline.ptsCnt - 1;
+        ++outline.cntrsCnt;
+    }
+
+    ++outline.ptsCnt;
 }
 
 
-static void outlineLineTo(SwShape* sdata, const Point* pt)
+static void outlineLineTo(SwOutline& outline, const Point* pt)
 {
-    //grow pts 1
+    assert(pt);
+
+    growOutlinePoint(outline, 1);
+
+    outline.pts[outline.ptsCnt] = *pt;
+    outline.tags[outline.ptsCnt] = SW_CURVE_TAG_ON;
+
+    ++outline.ptsCnt;
 }
 
 
-static void outlineCubicTo(SwShape* sdata, const Point* ctrl1, const Point* ctrl2, const Point* pt)
+static void outlineCubicTo(SwOutline& outline, const Point* ctrl1, const Point* ctrl2, const Point* pt)
 {
-    //grow pts 3
+    assert(ctrl1 && ctrl2 && pt);
+
+    growOutlinePoint(outline, 3);
+
+    outline.pts[outline.ptsCnt] = *ctrl1;
+    outline.tags[outline.ptsCnt] = SW_CURVE_TAG_CUBIC;
+    ++outline.ptsCnt;
+
+    outline.pts[outline.ptsCnt] = *ctrl2;
+    outline.tags[outline.ptsCnt] = SW_CURVE_TAG_CUBIC;
+    ++outline.ptsCnt;
+
+    outline.pts[outline.ptsCnt] = *ctrl1;
+    outline.tags[outline.ptsCnt] = SW_CURVE_TAG_ON;
+    ++outline.ptsCnt;
 }
 
 
-static void outlineClose(SwShape* sdata)
+static bool outlineClose(SwOutline& outline)
 {
-    //grow pts 1
+    size_t i = 0;
+
+    if (outline.cntrsCnt > 0) {
+        i = outline.cntrs[outline.cntrsCnt - 1] + 1;
+    } else {
+        i = 0;   //First Path
+    }
+
+    //Make sure there is at least one point in the current path
+    if (outline.ptsCnt == i) return false;
+
+    //Close the path
+    growOutlinePoint(outline, 1);
+
+    outline.pts[outline.ptsCnt] = outline.pts[i];
+    outline.tags[outline.ptsCnt] = SW_CURVE_TAG_ON;
+    ++outline.ptsCnt;
+
+    return true;
 }
 
 
-bool shapeGenOutline(ShapeNode *shape, SwShape* sdata)
-{
-    bool closed = false;
+/************************************************************************/
+/* External Class Implementation                                        */
+/************************************************************************/
 
+bool shapeGenRle(const ShapeNode& shape, SwShape& sdata)
+{
+    //TODO: rle
+
+    return true;
+}
+
+
+bool shapeUpdateBBox(const ShapeNode& shape, SwShape& sdata)
+{
+    //TODO:
+    return true;
+}
+
+
+void shapeDelOutline(const ShapeNode& shape, SwShape& sdata)
+{
+    if (!sdata.outline) return;
+
+    SwOutline* outline = sdata.outline;
+    if (outline->cntrs) free(outline->cntrs);
+    if (outline->pts) free(outline->pts);
+    if (outline->tags) free(outline->tags);
+    free(outline);
+
+    sdata.outline = nullptr;
+}
+
+
+bool shapeGenOutline(const ShapeNode& shape, SwShape& sdata)
+{
     const PathCommand* cmds = nullptr;
-    auto cmdCnt = shape->pathCommands(&cmds);
+    auto cmdCnt = shape.pathCommands(&cmds);
 
     const Point* pts = nullptr;
-    shape->pathCoords(&pts);
+    auto ptsCnt = shape.pathCoords(&pts);
 
-    //reservation
+    //No actual shape data
+    if (cmdCnt == 0 || ptsCnt == 0) return false;
+
+    //smart reservation
     auto outlinePtsCnt = 0;
     auto outlineCntrsCnt = 0;
+//    auto closed = false;
 
     for (auto i = 0; i < cmdCnt; ++i) {
-        switch(*cmds) {
+        switch(*(cmds + i)) {
             case PathCommand::Close: {
                 ++outlinePtsCnt;
                 break;
@@ -119,30 +221,40 @@ bool shapeGenOutline(ShapeNode *shape, SwShape* sdata)
         }
     }
 
-    ++outlinePtsCnt;  //for close
+    ++outlinePtsCnt;    //for close
+    ++outlineCntrsCnt;  //for end
 
-    growOutlinePoint(sdata, outlinePtsCnt);
-    growOutlineContour(sdata, outlineCntrsCnt);
+    SwOutline* outline = sdata.outline;
+
+    if (!outline) {
+        outline = static_cast<SwOutline*>(calloc(1, sizeof(SwOutline)));
+        assert(outline);
+    } else {
+        cout << "Outline was already allocated? How?" << endl;
+    }
+
+    growOutlinePoint(*outline, outlinePtsCnt);
+    growOutlineContour(*outline, outlineCntrsCnt);
 
     //Generate Outlines
     while (cmdCnt-- > 0) {
         switch(*cmds) {
             case PathCommand::Close: {
-                outlineClose(sdata);
+                outlineClose(*outline);
                 break;
             }
             case PathCommand::MoveTo: {
-                outlineMoveTo(sdata, pts);
+                outlineMoveTo(*outline, pts);
                 ++pts;
                 break;
             }
             case PathCommand::LineTo: {
-                outlineLineTo(sdata, pts);
+                outlineLineTo(*outline, pts);
                 ++pts;
                 break;
             }
             case PathCommand::CubicTo: {
-                outlineCubicTo(sdata, pts, pts + 1, pts + 2);
+                outlineCubicTo(*outline, pts, pts + 1, pts + 2);
                 pts += 3;
                 break;
             }
@@ -150,9 +262,11 @@ bool shapeGenOutline(ShapeNode *shape, SwShape* sdata)
         ++cmds;
     }
 
-    outlineEnd(sdata);
+    outlineEnd(*outline);
 
-    return closed;
+    sdata.outline = outline;
+
+    return true;
 }
 
 

src/lib/tvgCanvasBase.h

@@ -61,13 +61,17 @@ struct CanvasBase
         assert(node);
 
         nodes.push_back(node);
-
+#if 0
         if (SceneNode *scene = dynamic_cast<SceneNode *>(node)) {
 
         } else if (ShapeNode *shape = dynamic_cast<ShapeNode *>(node)) {
             return shape->update(raster);
         }
-
+#else
+        if (ShapeNode *shape = dynamic_cast<ShapeNode *>(node)) {
+            return shape->update(raster);
+        }
+#endif
         cout << "What type of PaintNode? = " << node << endl;
 
         return -1;

src/lib/tvgCommon.h

@@ -32,7 +32,7 @@ class RasterMethod
 {
 public:
     virtual ~RasterMethod() {}
-    virtual void* prepare(ShapeNode* shape, void* data) = 0;
+    virtual void* prepare(const ShapeNode& shape, void* data) = 0;
 };
 
 }

src/lib/tvgShapeNode.cpp

@@ -89,7 +89,7 @@ int ShapeNode :: update(RasterMethod* engine) noexcept
     auto impl = pImpl.get();
     assert(impl);
 
-    impl->edata = engine->prepare(this, impl->edata);
+    impl->edata = engine->prepare(*this, impl->edata);
     if (impl->edata) return 0;
     return - 1;
 }
@@ -104,7 +104,7 @@ int ShapeNode :: clear() noexcept
 }
 
 
-int ShapeNode :: pathCommands(const PathCommand** cmds) noexcept
+int ShapeNode :: pathCommands(const PathCommand** cmds) const noexcept
 {
     auto impl = pImpl.get();
     assert(impl && cmds);
@@ -115,7 +115,7 @@ int ShapeNode :: pathCommands(const PathCommand** cmds) noexcept
 }
 
 
-int ShapeNode :: pathCoords(const Point** pts) noexcept
+int ShapeNode :: pathCoords(const Point** pts) const noexcept
 {
     auto impl = pImpl.get();
     assert(impl && pts);
@@ -160,7 +160,7 @@ int ShapeNode :: appendRect(float x, float y, float w, float h, float radius) no
 }
 
 
-int ShapeNode :: fill(uint32_t r, uint32_t g, uint32_t b, uint32_t a) noexcept
+int ShapeNode :: fill(size_t r, size_t g, size_t b, size_t a) noexcept
 {
     auto impl = pImpl.get();
     assert(impl);
@@ -173,4 +173,18 @@ int ShapeNode :: fill(uint32_t r, uint32_t g, uint32_t b, uint32_t a) noexcept
     return 0;
 }
 
+
+int ShapeNode :: fill(size_t* r, size_t* g, size_t* b, size_t* a) const noexcept
+{
+    auto impl = pImpl.get();
+    assert(impl);
+
+    if (r) *r = impl->color[0];
+    if (g) *g = impl->color[0];
+    if (b) *b = impl->color[0];
+    if (a) *a = impl->color[0];
+
+    return 0;
+}
+
 #endif //_TVG_SHAPE_NODE_CPP_

src/lib/tvgShapePath.h

@@ -26,12 +26,12 @@
 struct ShapePath
 {
     PathCommand* cmds = nullptr;
-    uint32_t cmdCnt = 0;
-    uint32_t reservedCmdCnt = 0;
+    size_t cmdCnt = 0;
+    size_t reservedCmdCnt = 0;
 
     Point *pts = nullptr;
-    uint32_t ptsCnt = 0;
-    uint32_t reservedPtsCnt = 0;
+    size_t ptsCnt = 0;
+    size_t reservedPtsCnt = 0;
 
 
     ~ShapePath()
@@ -40,7 +40,7 @@ struct ShapePath
         if (pts) delete(pts);
     }
 
-    int reserveCmd(uint32_t cmdCnt)
+    int reserveCmd(size_t cmdCnt)
     {
         if (cmdCnt > reservedCmdCnt) {
             reservedCmdCnt = cmdCnt;
@@ -50,7 +50,7 @@ struct ShapePath
         return 0;
     }
 
-    int reservePts(uint32_t ptsCnt)
+    int reservePts(size_t ptsCnt)
     {
         if (ptsCnt > reservedPtsCnt) {
             reservedPtsCnt = ptsCnt;
@@ -60,7 +60,7 @@ struct ShapePath
         return 0;
     }
 
-    int reserve(uint32_t cmdCnt, uint32_t ptsCnt)
+    int reserve(size_t cmdCnt, size_t ptsCnt)
     {
         reserveCmd(cmdCnt);
         reservePts(ptsCnt);
@@ -126,7 +126,7 @@ struct ShapePath
         Point min = { pts[0].x, pts[0].y };
         Point max = { pts[0].x, pts[0].y };
 
-        for(uint32_t i = 1; i <= ptsCnt; ++i) {
+        for(size_t i = 1; i <= ptsCnt; ++i) {
             if (pts[i].x < min.x) min.x = pts[i].x;
             if (pts[i].y < min.y) min.y = pts[i].y;
             if (pts[i].x > max.x) max.x = pts[i].x;