loader lottie: tiny data copy optimization.

This patch tries to skip the matrix data copy as possible.

src/lib/tvgCommon.h

@@ -82,4 +82,7 @@ using Size = Point;
 
 uint16_t THORVG_VERSION_NUMBER();
 
+
+#define P(A) (A->pImpl)     //Access to pimpl.
+
 #endif //_TVG_COMMON_H_

src/loaders/lottie/tvgLottieBuilder.cpp

@@ -20,7 +20,8 @@
  * SOFTWARE.
  */
 
-#include "tvgMath.h"
+#include "tvgCommon.h"
+#include "tvgPaint.h"
 #include "tvgShapeImpl.h"
 #include "tvgLottieModel.h"
 #include "tvgLottieBuilder.h"
@@ -104,9 +105,10 @@ static Shape* _updateTransform(Paint* paint, LottieTransform* transform, int32_t
     uint8_t opacity;
     if (!_updateTransform(transform, frameNo, false, matrix, opacity)) return nullptr;
 
-    auto pmatrix = paint->transform();
+    auto pmatrix = P(paint)->transform();
-    paint->transform(mathMultiply(&pmatrix, &matrix));
+    paint->transform(pmatrix ? mathMultiply(pmatrix, &matrix) : matrix);
     paint->opacity(opacity);
+
     return nullptr;
 }
 
@@ -229,14 +231,14 @@ static Shape* _updatePath(LottieGroup* parent, LottiePath* path, int32_t frameNo
         mergingShape = newShape.get();
         static_cast<Scene*>(parent->scene)->push(std::move(newShape));
     }
-    if (path->pathset(frameNo, mergingShape->pImpl->rs.path.cmds, mergingShape->pImpl->rs.path.pts)) {
+    if (path->pathset(frameNo, P(mergingShape)->rs.path.cmds, P(mergingShape)->rs.path.pts)) {
-        mergingShape->pImpl->update(RenderUpdateFlag::Path);
+        P(mergingShape)->update(RenderUpdateFlag::Path);
     }
     return mergingShape;
 }
 
 
-static void _updateImage(LottieGroup* parent, LottieImage* image, int32_t frameNo, Shape* baseShape)
+static void _updateImage(LottieGroup* parent, LottieImage* image, int32_t frameNo, Paint* baseShape)
 {
     auto picture = Picture::gen();
 
@@ -247,12 +249,15 @@ static void _updateImage(LottieGroup* parent, LottieImage* image, int32_t frameN
     }
 
     if (baseShape) {
-        picture->transform(baseShape->transform());
+        if (auto matrix = P(baseShape)->transform()) {
+            picture->transform(*matrix);
+        }
         picture->opacity(baseShape->opacity());
     }
     parent->scene->push(std::move(picture));
 }
 
+
 static void _updateChildren(LottieGroup* parent, int32_t frameNo, Shape* baseShape, bool reset)
 {
     if (parent->children.empty()) return;

src/loaders/tvg/tvgTvgBinInterpreter.cpp

@@ -34,8 +34,6 @@
 #include "tvgShapeImpl.h"
 
 
-#define P(A) A->pImpl
-
 /************************************************************************/
 /* Internal Class Implementation                                        */
 /************************************************************************/

src/savers/tvg/tvgTvgSaver.cpp

@@ -52,8 +52,6 @@ static FILE* _fopen(const char* filename, const char* mode)
 
 #define SIZE(A) sizeof(A)
 
-#define P(A) A->pImpl
-
 /************************************************************************/
 /* Internal Class Implementation                                        */
 /************************************************************************/