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authorNicolas Pena <npm@chromium.org>2017-05-11 18:44:29 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-05-12 16:06:57 +0000
commit2199ab8e048ae19ee3ae01afe640ce3a66092a00 (patch)
tree9902df65f20b9e9c67e6dc7ad8afdff5ecb9b8e7 /core/fxcodec/lgif/cgifcontext.cpp
parent3c58aa0bf51c64eb126be165e7478e70fbb68043 (diff)
downloadpdfium-2199ab8e048ae19ee3ae01afe640ce3a66092a00.tar.xz
Merge FXGIF_Context and CGifDecompressor into CGifContextchromium/3098
Change-Id: I60c9cbd83ff9e7a30a5a570a6ad1cf8f52360c07 Reviewed-on: https://pdfium-review.googlesource.com/5410 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'core/fxcodec/lgif/cgifcontext.cpp')
-rw-r--r--core/fxcodec/lgif/cgifcontext.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/core/fxcodec/lgif/cgifcontext.cpp b/core/fxcodec/lgif/cgifcontext.cpp
new file mode 100644
index 0000000000..aa2aba6075
--- /dev/null
+++ b/core/fxcodec/lgif/cgifcontext.cpp
@@ -0,0 +1,64 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxcodec/lgif/cgifcontext.h"
+
+#include <utility>
+
+#include "core/fxcodec/codec/ccodec_gifmodule.h"
+#include "core/fxcodec/lgif/fx_gif.h"
+#include "third_party/base/ptr_util.h"
+#include "third_party/base/stl_util.h"
+
+CGifContext::CGifContext(CCodec_GifModule* gif_module, char* error_string)
+ : global_pal_num(0),
+ img_row_offset(0),
+ img_row_avail_size(0),
+ avail_in(0),
+ decode_status(GIF_D_STATUS_SIG),
+ skip_size(0),
+ m_Module(gif_module),
+ err_ptr(error_string),
+ next_in(nullptr),
+ width(0),
+ height(0),
+ bc_index(0),
+ pixel_aspect(0),
+ global_sort_flag(0),
+ global_color_resolution(0),
+ img_pass_num(0) {}
+
+CGifContext::~CGifContext() {}
+
+void CGifContext::ErrorData(const char* err_msg) {
+ strncpy(err_ptr, err_msg, GIF_MAX_ERROR_SIZE - 1);
+ longjmp(jmpbuf, 1);
+}
+
+void CGifContext::RecordCurrentPosition(uint32_t* cur_pos_ptr) {
+ m_Module->GetDelegate()->GifRecordCurrentPosition(*cur_pos_ptr);
+}
+
+void CGifContext::ReadScanline(int32_t row_num, uint8_t* row_buf) {
+ m_Module->GetDelegate()->GifReadScanline(row_num, row_buf);
+}
+
+bool CGifContext::GetRecordPosition(uint32_t cur_pos,
+ int32_t left,
+ int32_t top,
+ int32_t width,
+ int32_t height,
+ int32_t pal_num,
+ GifPalette* pal_ptr,
+ int32_t delay_time,
+ bool user_input,
+ int32_t trans_index,
+ int32_t disposal_method,
+ bool interlace) {
+ return m_Module->GetDelegate()->GifInputRecordPositionBuf(
+ cur_pos, FX_RECT(left, top, left + width, top + height), pal_num, pal_ptr,
+ delay_time, user_input, trans_index, disposal_method, interlace);
+}