grab from latest android

git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 91 insertions, 0 deletions

diff --git a/src/core/SkSpriteBlitterTemplate.h b/src/core/SkSpriteBlitterTemplate.h
new file mode 100644
index 0000000000..2ab2b3a5ca
--- /dev/null
+++ b/src/core/SkSpriteBlitterTemplate.h
@@ -0,0 +1,91 @@
+/* libs/graphics/sgl/SkSpriteBlitterTemplate.h
+**
+** 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.
+*/
+
+
+class SkSPRITE_CLASSNAME : public SkSpriteBlitter {
+public:
+    SkSPRITE_CLASSNAME(const SkBitmap& source SkSPRITE_ARGS)
+        : SkSpriteBlitter(source) {
+        SkSPRITE_INIT
+    }
+
+    virtual void blitRect(int x, int y, int width, int height) {
+        SkASSERT(width > 0 && height > 0);
+        int srcX = x - fLeft;
+        int srcY = y - fTop;
+        SK_RESTRICT SkSPRITE_DST_TYPE* dst =fDevice->SkSPRITE_DST_GETADDR(x, y);
+        const SK_RESTRICT SkSPRITE_SRC_TYPE* src =
+                                      fSource->SkSPRITE_SRC_GETADDR(srcX, srcY);
+        unsigned dstRB = fDevice->rowBytes();
+        unsigned srcRB = fSource->rowBytes();
+
+        SkDEBUGCODE((void)fDevice->SkSPRITE_DST_GETADDR(x + width - 1, y + height - 1);)
+        SkDEBUGCODE((void)fSource->SkSPRITE_SRC_GETADDR(srcX + width  - 1, srcY + height - 1);)
+
+        SkSPRITE_PREAMBLE((*fSource), srcX, srcY);
+
+        do {
+            SkSPRITE_DST_TYPE* d = dst;
+            const SkSPRITE_SRC_TYPE* s = src;
+#ifdef SkSPRITE_BEGIN_ROW
+            SkSPRITE_BEGIN_ROW
+#endif
+
+#ifdef SkSPRITE_ROW_PROC
+            SkSPRITE_ROW_PROC(d, s, width, x, y);
+#else
+            int w = width;
+            do {
+                SkSPRITE_SRC_TYPE sc = *s++;
+                SkSPRITE_BLIT_PIXEL(d, sc);
+                d += 1;
+            } while (--w != 0);
+#endif
+            dst = (SK_RESTRICT SkSPRITE_DST_TYPE*)((char*)dst + dstRB);
+            src = (const SK_RESTRICT SkSPRITE_SRC_TYPE*)
+                                            ((const char*)src + srcRB);
+            SkSPRITE_NEXT_ROW
+#ifdef SkSPRITE_ROW_PROC
+            y += 1;
+#endif
+        } while (--height != 0);
+
+        SkSPRITE_POSTAMBLE((*fSource));
+    }
+
+private:
+    SkSPRITE_FIELDS
+};
+
+#undef SkSPRITE_BLIT_PIXEL
+#undef SkSPRITE_CLASSNAME
+#undef SkSPRITE_DST_TYPE
+#undef SkSPRITE_SRC_TYPE
+#undef SkSPRITE_DST_GETADDR
+#undef SkSPRITE_SRC_GETADDR
+#undef SkSPRITE_PREAMBLE
+#undef SkSPRITE_POSTAMBLE
+#undef SkSPRITE_ARGS
+#undef SkSPRITE_FIELDS
+#undef SkSPRITE_INIT
+#undef SkSPRITE_NEXT_ROW
+#undef SkSPRITE_BEGIN_ROW
+
+#ifdef SkSPRITE_ROW_PROC
+    #undef SkSPRITE_ROW_PROC
+#endif
+