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/*****************************************************************************\
scaler_open.cpp : Implimentation for the Scaler_Open class
Copyright (c) 1996 - 2001, Hewlett-Packard Co.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. 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.
3. Neither the name of Hewlett-Packard 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 AUTHOR "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 AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PATENT INFRINGEMENT; 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.
\*****************************************************************************/
#include "header.h"
#include "scaler_open.h"
APDK_BEGIN_NAMESPACE
Scaler_Open::Scaler_Open(SystemServices* pSys,int inputwidth,
int numerator,int denominator,
BOOL bVIP, unsigned int iNumInks)
: Scaler(pSys,inputwidth,numerator,denominator,bVIP, iNumInks),
NumInks(iNumInks), vip(bVIP)
{
rowremainder = remainder;
}
Scaler_Open::~Scaler_Open()
{ }
BOOL Scaler_Open::Process(RASTERDATA* raster_in)
{
iRastersDelivered=0;
if (raster_in == NULL || (raster_in->rasterdata[COLORTYPE_COLOR] == NULL && raster_in->rasterdata[COLORTYPE_BLACK] == NULL))
{
rowremainder=remainder;
return FALSE;
}
if (!scaling)
{
// just copy both to output buffer
for (int i = COLORTYPE_COLOR; i < MAX_COLORTYPE; i++)
{
if (raster_in->rasterdata[i])
{
memcpy(pOutputBuffer[i], raster_in->rasterdata[i], raster_in->rastersize[i]);
}
}
iRastersReady = 1;
return TRUE;
}
if (myplane == COLORTYPE_COLOR)
{
if (raster_in->rasterdata[COLORTYPE_BLACK])
{
memcpy(pOutputBuffer[COLORTYPE_BLACK], raster_in->rasterdata[COLORTYPE_BLACK], raster_in->rastersize[COLORTYPE_BLACK]);
}
}
if (myplane == COLORTYPE_BLACK)
{
if (raster_in->rasterdata[COLORTYPE_COLOR])
{
memcpy(pOutputBuffer[COLORTYPE_COLOR], raster_in->rasterdata[COLORTYPE_COLOR], raster_in->rastersize[COLORTYPE_COLOR]);
}
}
// multiply row
unsigned int ifactor = (unsigned int) (int) ScaleFactor;
unsigned int targptr=0;
unsigned int sourceptr=0;
unsigned int rem = remainder;
if (myplane == COLORTYPE_COLOR || myplane == COLORTYPE_BOTH)
{
if (raster_in->rasterdata[COLORTYPE_COLOR])
{
if (vip) // RGB values interleaved
{
unsigned int width = iInputWidth*3;
for (unsigned int i=0; i < width; i += 3)
{
unsigned int factor = ifactor;
if (rem >= 1000)
{
factor++;
rem -= 1000;
}
for (unsigned int j=0; j < factor; j++)
{
pOutputBuffer[COLORTYPE_COLOR][targptr++] = raster_in->rasterdata[COLORTYPE_COLOR][i];
pOutputBuffer[COLORTYPE_COLOR][targptr++] = raster_in->rasterdata[COLORTYPE_COLOR][i+1];
pOutputBuffer[COLORTYPE_COLOR][targptr++] = raster_in->rasterdata[COLORTYPE_COLOR][i+2];
}
rem += remainder;
}
}
else // KCMY values NOT interleaved
// iInputWidth = bytes per plane
for (unsigned int i=0; i < NumInks; i++) // loop over planes
{
unsigned int planecount=0; // count output bytes for this plane
unsigned int src=0; // count input bytes for this plane
while ((planecount < iOutputWidth-1) && (src < iInputWidth))
{
unsigned int factor = ifactor;
if (rem >= 1000)
{
factor++;
rem -= 1000;
}
for (unsigned int j=0; (j < factor) && (planecount < iOutputWidth-1); j++)
{
pOutputBuffer[COLORTYPE_COLOR][targptr++] = raster_in->rasterdata[COLORTYPE_COLOR][sourceptr];
planecount++;
}
rem += remainder;
sourceptr++; src++;
}
while (planecount < iOutputWidth-1) // fill out odd bytes so all planes are equal
{
pOutputBuffer[COLORTYPE_COLOR][targptr++] = raster_in->rasterdata[COLORTYPE_COLOR][sourceptr-1];
planecount++;
}
}
}
}
ifactor = (unsigned int) (int) ScaleFactor;
targptr=0;
sourceptr=0;
rem = remainder;
if (myplane == COLORTYPE_BLACK || myplane == COLORTYPE_BOTH)
{
if (raster_in->rasterdata[COLORTYPE_BLACK])
{
// K values NOT interleaved
// iInputWidth = bytes per plane
unsigned int planecount=0; // count output bytes for this plane
unsigned int src=0; // count input bytes for this plane
while ((planecount < iOutputWidth-1) && (src < iInputWidth))
{
unsigned int factor = ifactor;
if (rem >= 1000)
{
factor++;
rem -= 1000;
}
for (unsigned int j=0; (j < factor) && (planecount < iOutputWidth-1); j++)
{
pOutputBuffer[COLORTYPE_BLACK][targptr++] = raster_in->rasterdata[COLORTYPE_BLACK][sourceptr];
planecount++;
}
rem += remainder;
sourceptr++; src++;
}
while (planecount < iOutputWidth-1) // fill out odd bytes so all planes are equal
{
pOutputBuffer[COLORTYPE_BLACK][targptr++] = raster_in->rasterdata[COLORTYPE_BLACK][sourceptr-1];
planecount++;
}
}
}
unsigned int factor = ifactor;
if (rowremainder >= 1000)
{
factor++;
rowremainder -= 1000;
}
if (myplane == COLORTYPE_BLACK && raster_in->rasterdata[COLORTYPE_COLOR])
iRastersReady = 1;
else
iRastersReady=factor;
iRastersDelivered=0;
rowremainder += remainder;
return TRUE;
}
BYTE* Scaler_Open::NextOutputRaster(COLORTYPE color)
{
if (iRastersReady==0)
return NULL;
if (myplane == COLORTYPE_BLACK)
{
if (raster.rasterdata[myplane] == NULL)
iRastersReady = 1;
}
if (color == COLORTYPE_COLOR)
{
iRastersReady--; iRastersDelivered++;
}
if (raster.rastersize[color] > 0)
{
return pOutputBuffer[color];
}
else
{
return NULL;
}
}
APDK_END_NAMESPACE
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