Aegisub/devel/prs/prs_display.cpp

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// Copyright (c) 2006, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
///////////
// Headers
#include "prs_display.h"
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///////////////
// Constructor
PRSDisplay::PRSDisplay() {
start = -1;
end = -1;
startFrame = -1;
endFrame = -1;
id = -1;
layer = 0;
x = 0;
y = 0;
alpha = 255;
blend = BLEND_NORMAL;
}
//////////////
// Destructor
PRSDisplay::~PRSDisplay() {
}
//////////////
// Write data
void PRSDisplay::WriteData(std::vector<char> &vec) {
// Set length
unsigned __int32 size = 4 + 4 + 4 + 4 + 4 + 4 + 2 + 2 + 1 + 1;
vec.resize(size+8);
size_t pos = 0;
// Write block identifier
char str[] = "DSP";
memcpy(&vec[pos],str,4);
pos += 4;
// Write block length
memcpy(&vec[pos],&size,4);
pos += 4;
// Write start frame
memcpy(&vec[pos],&startFrame,4);
pos += 4;
// Write end frame
memcpy(&vec[pos],&endFrame,4);
pos += 4;
// Write start time
memcpy(&vec[pos],&start,4);
pos += 4;
// Write end time
memcpy(&vec[pos],&end,4);
pos += 4;
// Write image identifier
memcpy(&vec[pos],&id,4);
pos += 4;
// Write layer
memcpy(&vec[pos],&layer,4);
pos += 4;
// Write x
memcpy(&vec[pos],&x,2);
pos += 2;
// Write y
memcpy(&vec[pos],&y,2);
pos += 2;
// Write alpha multiplier
memcpy(&vec[pos],&alpha,1);
pos += 1;
// Write blend mode
memcpy(&vec[pos],&blend,1);
pos += 1;
}
/////////////
// Read data
void PRSDisplay::ReadData(std::vector<char> &vec) {
// Set length
unsigned __int32 size = 4 + 4 + 4 + 4 + 4 + 4 + 2 + 2 + 1 + 1;
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if (size != vec.size()) return;
size_t pos = 0;
// Read start frame
memcpy(&startFrame,&vec[pos],4);
pos += 4;
// Read end frame
memcpy(&endFrame,&vec[pos],4);
pos += 4;
// Read start time
memcpy(&start,&vec[pos],4);
pos += 4;
// Read end time
memcpy(&end,&vec[pos],4);
pos += 4;
// Read image identifier
memcpy(&id,&vec[pos],4);
pos += 4;
// Read layer
memcpy(&layer,&vec[pos],4);
pos += 4;
// Read x
memcpy(&x,&vec[pos],2);
pos += 2;
// Read y
memcpy(&y,&vec[pos],2);
pos += 2;
// Read alpha multiplier
memcpy(&alpha,&vec[pos],1);
pos += 1;
// Read blend mode
memcpy(&blend,&vec[pos],1);
pos += 1;
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}