Consolidate SkCanvas matrix virtuals.

Remove didTranslate, didScale, didRotate & didSkew, and rely on
didConcat instead. Subclasses can sniff the matrix type if they want to
differentiate.

(work in progress)

R=reed@google.com, robertphillips@google.com

Author: fmalita@chromium.org

Review URL: https://codereview.chromium.org/203203004

git-svn-id: http://skia.googlecode.com/svn/trunk@13940 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 20 insertions, 46 deletions

diff --git a/src/core/SkPictureRecord.cpp b/src/core/SkPictureRecord.cpp
index ce21d955dd..997b974802 100644
--- a/src/core/SkPictureRecord.cpp
+++ b/src/core/SkPictureRecord.cpp
@@ -664,62 +664,26 @@ void SkPictureRecord::recordRestore(bool fillInSkips) {
     this->validate(initialOffset, size);
 }
 
-void SkPictureRecord::didTranslate(SkScalar dx, SkScalar dy) {
-#ifdef SK_COLLAPSE_MATRIX_CLIP_STATE
-    fMCMgr.translate(dx, dy);
-#else
+void SkPictureRecord::recordTranslate(const SkMatrix& m) {
+    SkASSERT(SkMatrix::kTranslate_Mask == m.getType());
+
     // op + dx + dy
     uint32_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar);
     size_t initialOffset = this->addDraw(TRANSLATE, &size);
-    this->addScalar(dx);
-    this->addScalar(dy);
+    this->addScalar(m.getTranslateX());
+    this->addScalar(m.getTranslateY());
     this->validate(initialOffset, size);
-#endif
-    this->INHERITED::didTranslate(dx, dy);
 }
 
-void SkPictureRecord::didScale(SkScalar sx, SkScalar sy) {
+void SkPictureRecord::recordScale(const SkMatrix& m) {
+    SkASSERT(SkMatrix::kScale_Mask == m.getType());
 
-#ifdef SK_COLLAPSE_MATRIX_CLIP_STATE
-    fMCMgr.scale(sx, sy);
-#else
     // op + sx + sy
     uint32_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar);
     size_t initialOffset = this->addDraw(SCALE, &size);
-    this->addScalar(sx);
-    this->addScalar(sy);
+    this->addScalar(m.getScaleX());
+    this->addScalar(m.getScaleY());
     this->validate(initialOffset, size);
-#endif
-    this->INHERITED::didScale(sx, sy);
-}
-
-void SkPictureRecord::didRotate(SkScalar degrees) {
-
-#ifdef SK_COLLAPSE_MATRIX_CLIP_STATE
-    fMCMgr.rotate(degrees);
-#else
-    // op + degrees
-    uint32_t size = 1 * kUInt32Size + sizeof(SkScalar);
-    size_t initialOffset = this->addDraw(ROTATE, &size);
-    this->addScalar(degrees);
-    this->validate(initialOffset, size);
-#endif
-    this->INHERITED::didRotate(degrees);
-}
-
-void SkPictureRecord::didSkew(SkScalar sx, SkScalar sy) {
-
-#ifdef SK_COLLAPSE_MATRIX_CLIP_STATE
-    fMCMgr.skew(sx, sy);
-#else
-    // op + sx + sy
-    uint32_t size = 1 * kUInt32Size + 2 * sizeof(SkScalar);
-    size_t initialOffset = this->addDraw(SKEW, &size);
-    this->addScalar(sx);
-    this->addScalar(sy);
-    this->validate(initialOffset, size);
-#endif
-    this->INHERITED::didSkew(sx, sy);
 }
 
 void SkPictureRecord::didConcat(const SkMatrix& matrix) {
@@ -727,7 +691,17 @@ void SkPictureRecord::didConcat(const SkMatrix& matrix) {
 #ifdef SK_COLLAPSE_MATRIX_CLIP_STATE
     fMCMgr.concat(matrix);
 #else
-    this->recordConcat(matrix);
+    switch (matrix.getType()) {
+        case SkMatrix::kTranslate_Mask:
+            this->recordTranslate(matrix);
+            break;
+        case SkMatrix::kScale_Mask:
+            this->recordScale(matrix);
+            break;
+        default:
+            this->recordConcat(matrix);
+            break;
+    }
 #endif
     this->INHERITED::didConcat(matrix);
 }