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// Copyright 2016 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/fxge/win32/cpsoutput.h"
#include <algorithm>
#include "core/fxcrt/fx_system.h"
CPSOutput::CPSOutput(HDC hDC, OutputMode mode) : m_hDC(hDC), m_mode(mode) {}
CPSOutput::~CPSOutput() {}
bool CPSOutput::WriteBlock(const void* str, size_t len) {
int sent_len = 0;
while (len > 0) {
char buffer[1026];
size_t send_len = std::min(len, static_cast<size_t>(1024));
*(reinterpret_cast<uint16_t*>(buffer)) = send_len;
memcpy(buffer + 2, static_cast<const char*>(str) + sent_len, send_len);
switch (m_mode) {
case OutputMode::kExtEscape:
ExtEscape(m_hDC, PASSTHROUGH, send_len + 2, buffer, 0, nullptr);
break;
case OutputMode::kGdiComment:
GdiComment(m_hDC, send_len + 2, reinterpret_cast<const BYTE*>(buffer));
break;
}
sent_len += send_len;
len -= send_len;
}
return true;
}
bool CPSOutput::WriteString(const ByteStringView& str) {
return WriteBlock(str.unterminated_c_str(), str.GetLength());
}
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