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-rw-r--r--tools/picture_utils.cpp31
-rw-r--r--tools/picture_utils.h29
2 files changed, 60 insertions, 0 deletions
diff --git a/tools/picture_utils.cpp b/tools/picture_utils.cpp
new file mode 100644
index 0000000000..6a9e1f51f7
--- /dev/null
+++ b/tools/picture_utils.cpp
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "picture_utils.h"
+#include "SkBitmap.h"
+#include "SkPicture.h"
+#include "SkString.h"
+#include "SkStream.h"
+
+namespace sk_tools {
+
+ void make_filepath(SkString* path, const char* dir, const SkString& name) {
+ size_t len = strlen(dir);
+ path->set(dir);
+ if (0 < len && '/' != dir[len - 1]) {
+ path->append("/");
+ }
+ path->append(name);
+ }
+
+ void setup_bitmap(SkBitmap* bitmap, int width, int height) {
+ bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
+ bitmap->allocPixels();
+ bitmap->eraseColor(0);
+ }
+
+}
diff --git a/tools/picture_utils.h b/tools/picture_utils.h
new file mode 100644
index 0000000000..21651cd322
--- /dev/null
+++ b/tools/picture_utils.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef picture_utils_DEFINED
+#define picture_utils_DEFINED
+#include "SkTypes.h"
+
+class SkBitmap;
+class SkFILEStream;
+class SkString;
+class SkPicture;
+
+namespace sk_tools {
+ // Creates a posix style filepath by concatenating name onto dir with a
+ // forward slash into path.
+ void make_filepath(SkString* path, const char* dir, const SkString& name);
+
+ // Prepares the bitmap so that it can be written.
+ //
+ // Specifically, it configures the bitmap, allocates pixels and then
+ // erases the pixels to transparent black.
+ void setup_bitmap(SkBitmap* bitmap, int width, int height);
+}
+
+#endif // picture_utils_DEFINED