Initial Contribution

1 files changed, 91 insertions, 0 deletions

diff --git a/libsgl/animator/SkDrawShader.cpp b/libsgl/animator/SkDrawShader.cpp
new file mode 100644
index 0000000..b38718e
--- /dev/null
+++ b/libsgl/animator/SkDrawShader.cpp
@@ -0,0 +1,91 @@
+/* libs/graphics/animator/SkDrawShader.cpp
+**
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#include "SkDrawShader.h"
+#include "SkDrawBitmap.h"
+#include "SkDrawMatrix.h"
+#include "SkDrawPaint.h"
+#include "SkTemplates.h"
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkDrawShader::fInfo[] = {
+    SK_MEMBER(matrix, Matrix),
+    SK_MEMBER(tileMode, TileMode)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkDrawShader);
+
+SkDrawShader::SkDrawShader() : matrix(NULL), 
+    tileMode(SkShader::kClamp_TileMode) {
+}
+
+bool SkDrawShader::add() {
+    if (fPaint->shader != (SkDrawShader*) -1)
+        return true;
+    fPaint->shader = this;
+    fPaint->fOwnsShader = true;
+    return false;
+}
+
+void SkDrawShader::addPostlude(SkShader* shader) {
+    if (matrix)
+        shader->setLocalMatrix(matrix->getMatrix());
+}
+
+#if SK_USE_CONDENSED_INFO == 0
+
+const SkMemberInfo SkDrawBitmapShader::fInfo[] = {
+    SK_MEMBER_INHERITED,
+    SK_MEMBER(filterBitmap, Boolean),
+    SK_MEMBER(image, BaseBitmap)
+};
+
+#endif
+
+DEFINE_GET_MEMBER(SkDrawBitmapShader);
+
+SkDrawBitmapShader::SkDrawBitmapShader() : filterBitmap(-1), image(NULL) {}
+
+bool SkDrawBitmapShader::add() {
+    if (fPaint->shader != (SkDrawShader*) -1)
+        return true;
+    fPaint->shader = this;
+    fPaint->fOwnsShader = true;
+    return false;
+}
+
+SkShader* SkDrawBitmapShader::getShader() {
+    if (image == NULL)
+        return NULL;
+    
+    // note: bitmap shader now supports independent tile modes for X and Y
+    // we pass the same to both, but later we should extend this flexibility
+    // to the xml (e.g. tileModeX="repeat" tileModeY="clmap")
+    // 
+    // oops, bitmapshader no longer takes filterBitmap, but deduces it at
+    // draw-time from the paint 
+    SkShader* shader  = SkShader::CreateBitmapShader(image->fBitmap, 
+                                                    (SkShader::TileMode) tileMode,
+                                                    (SkShader::TileMode) tileMode);
+    SkAutoTDelete<SkShader> autoDel(shader);
+    addPostlude(shader);
+    (void)autoDel.detach();
+    return shader;
+}