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Unified Diff: webkit/support/webkit_support_gfx.cc

Issue 7328011: Introduce ui.dll / libui.so for the component build. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 5 months ago
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Index: webkit/support/webkit_support_gfx.cc
===================================================================
--- webkit/support/webkit_support_gfx.cc (revision 0)
+++ webkit/support/webkit_support_gfx.cc (revision 0)
@@ -0,0 +1,57 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "webkit/support/webkit_support_gfx.h"
+
+#include "ui/gfx/codec/png_codec.h"
+#include "ui/gfx/size.h"
+
+namespace webkit_support {
+
+// Decode a PNG into an RGBA pixel array.
rvargas (doing something else) 2011/07/16 01:37:35 The comments are already on the header. (and below
+bool DecodePNG(const unsigned char* input, size_t input_size,
+ std::vector<unsigned char>* output,
+ int* width, int* height) {
+ return gfx::PNGCodec::Decode(input, input_size, gfx::PNGCodec::FORMAT_RGBA,
+ output, width, height);
+}
+
+// Encode an RGBA pixel array into a PNG.
+bool EncodeRGBAPNG(const unsigned char* input,
+ int width,
+ int height,
+ int row_byte_width,
+ std::vector<unsigned char>* output) {
+ return gfx::PNGCodec::Encode(input, gfx::PNGCodec::FORMAT_RGBA,
+ gfx::Size(width, height), row_byte_width, false,
+ std::vector<gfx::PNGCodec::Comment>(), output);
+}
+
+// Encode an BGRA pixel array into a PNG.
+bool EncodeBGRAPNG(const unsigned char* input,
+ int width,
+ int height,
+ int row_byte_width,
+ bool discard_transparency,
+ std::vector<unsigned char>* output) {
+ return gfx::PNGCodec::Encode(input, gfx::PNGCodec::FORMAT_BGRA,
+ gfx::Size(width, height), row_byte_width, discard_transparency,
+ std::vector<gfx::PNGCodec::Comment>(), output);
+}
+
+bool EncodeBGRAPNGWithChecksum(const unsigned char* input,
+ int width,
+ int height,
+ int row_byte_width,
+ bool discard_transparency,
+ const std::string& checksum,
+ std::vector<unsigned char>* output) {
+ std::vector<gfx::PNGCodec::Comment> comments;
+ comments.push_back(gfx::PNGCodec::Comment("checksum", checksum));
+ return gfx::PNGCodec::Encode(input, gfx::PNGCodec::FORMAT_BGRA,
+ gfx::Size(width, height), row_byte_width, discard_transparency,
+ comments, output);
+}
+
+} // namespace webkit_support
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