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Image.cpp
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/* ***** BEGIN LICENSE BLOCK *****
* This file is part of Natron <https://natrongithub.github.io/>,
* (C) 2018-2021 The Natron developers
* (C) 2013-2018 INRIA and Alexandre Gauthier-Foichat
*
* Natron is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Natron is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Natron. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>
* ***** END LICENSE BLOCK ***** */
// ***** BEGIN PYTHON BLOCK *****
// from <https://docs.python.org/3/c-api/intro.html#include-files>:
// "Since Python may define some pre-processor definitions which affect the standard headers on some systems, you must include Python.h before any standard headers are included."
#include <Python.h>
// ***** END PYTHON BLOCK *****
#include "Image.h"
#include <algorithm> // min, max
#include <cassert>
#include <cstring> // for std::memcpy, std::memset
#include <stdexcept>
#if !defined(SBK_RUN) && !defined(Q_MOC_RUN)
GCC_DIAG_UNUSED_LOCAL_TYPEDEFS_OFF
#include <boost/math/special_functions/fpclassify.hpp>
GCC_DIAG_UNUSED_LOCAL_TYPEDEFS_ON
#endif
#include <QtCore/QDebug>
#include "Engine/AppManager.h"
#include "Engine/ViewIdx.h"
#include "Engine/GPUContextPool.h"
#include "Engine/OSGLContext.h"
#include "Engine/GLShader.h"
NATRON_NAMESPACE_ENTER
#define BM_GET(i, j) (&_map[( i - _bounds.bottom() ) * _bounds.width() + ( j - _bounds.left() )])
#define PIXEL_UNAVAILABLE 2
template <int trimap>
RectI
minimalNonMarkedBbox_internal(const RectI& roi,
const RectI& _bounds,
const std::vector<char>& _map,
bool* isBeingRenderedElsewhere)
{
RectI bbox;
assert( _bounds.contains(roi) );
bbox = roi;
//find bottom
for (int i = bbox.bottom(); i < bbox.top(); ++i) {
const char* buf = BM_GET( i, bbox.left() );
if (trimap) {
const char* lineEnd = buf + bbox.width();
bool metUnavailablePixel = false;
while (buf < lineEnd) {
if (!*buf) {
buf = 0;
break;
} else if (*buf == PIXEL_UNAVAILABLE) {
metUnavailablePixel = true;
}
++buf;
}
if (!buf) {
break;
} else if (metUnavailablePixel) {
*isBeingRenderedElsewhere = true; //< only flag if the whole row is not 0
++bbox.y1;
} else {
++bbox.y1;
}
} else {
const char* lineEnd = buf + bbox.width();
while (buf < lineEnd) {
if ( !*buf || (*buf == PIXEL_UNAVAILABLE) ) {
buf = 0;
break;
}
++buf;
}
if (!buf) {
break;
} else {
++bbox.y1;
}
}
}
//find top (will do zero iteration if the bbox is already empty)
for (int i = bbox.top() - 1; i >= bbox.bottom(); --i) {
const char* buf = BM_GET( i, bbox.left() );
if (trimap) {
const char* lineEnd = buf + bbox.width();
bool metUnavailablePixel = false;
while (buf < lineEnd) {
if (!*buf) {
buf = 0;
break;
} else if (*buf == PIXEL_UNAVAILABLE) {
metUnavailablePixel = true;
}
++buf;
}
if (!buf) {
break;
} else if (metUnavailablePixel) {
*isBeingRenderedElsewhere = true; //< only flag if the whole row is not 0
--bbox.y2;
} else {
--bbox.y2;
}
} else {
const char* lineEnd = buf + bbox.width();
while (buf < lineEnd) {
if ( !*buf || (*buf == PIXEL_UNAVAILABLE) ) {
buf = 0;
break;
}
++buf;
}
if (!buf) {
break;
} else {
--bbox.y2;
}
}
}
// avoid making bbox.width() iterations for nothing
if ( bbox.isNull() ) {
return bbox;
}
//find left
for (int j = bbox.left(); j < bbox.right(); ++j) {
const char* pix = BM_GET(bbox.bottom(), j);
bool metUnavailablePixel = false;
for ( int i = bbox.bottom(); i < bbox.top(); ++i, pix += _bounds.width() ) {
if (!*pix) {
pix = 0;
break;
} else if (*pix == PIXEL_UNAVAILABLE) {
if (trimap) {
metUnavailablePixel = true;
} else {
pix = 0;
break;
}
}
}
if (pix) {
++bbox.x1;
if (trimap && metUnavailablePixel) {
*isBeingRenderedElsewhere = true; //< only flag is the whole column is not 0
}
} else {
break;
}
}
//find right
for (int j = bbox.right() - 1; j >= bbox.left(); --j) {
const char* pix = BM_GET(bbox.bottom(), j);
bool metUnavailablePixel = false;
for ( int i = bbox.bottom(); i < bbox.top(); ++i, pix += _bounds.width() ) {
if (!*pix) {
pix = 0;
break;
} else if (*pix == PIXEL_UNAVAILABLE) {
if (trimap) {
metUnavailablePixel = true;
} else {
pix = 0;
break;
}
}
}
if (pix) {
--bbox.x2;
if (trimap && metUnavailablePixel) {
*isBeingRenderedElsewhere = true; //< only flag is the whole column is not 0
}
} else {
break;
}
}
return bbox;
} // minimalNonMarkedBbox_internal
template <int trimap>
void
minimalNonMarkedRects_internal(const RectI & roi,
const RectI& _bounds,
const std::vector<char>& _map,
std::list<RectI>& ret,
bool* isBeingRenderedElsewhere)
{
assert(ret.empty());
///Any out of bounds portion is pushed to the rectangles to render
RectI intersection;
roi.intersect(_bounds, &intersection);
if (roi != intersection) {
if ( (_bounds.x1 > roi.x1) && (_bounds.y2 > _bounds.y1) ) {
RectI left(roi.x1, _bounds.y1, _bounds.x1, _bounds.y2);
ret.push_back(left);
}
if ( (roi.x2 > roi.x1) && (_bounds.y1 > roi.y1) ) {
RectI btm(roi.x1, roi.y1, roi.x2, _bounds.y1);
ret.push_back(btm);
}
if ( (roi.x2 > _bounds.x2) && (_bounds.y2 > _bounds.y1) ) {
RectI right(_bounds.x2, _bounds.y1, roi.x2, _bounds.y2);
ret.push_back(right);
}
if ( (roi.x2 > roi.x1) && (roi.y2 > _bounds.y2) ) {
RectI top(roi.x1, _bounds.y2, roi.x2, roi.y2);
ret.push_back(top);
}
}
if ( intersection.isNull() ) {
return;
}
RectI bboxM = minimalNonMarkedBbox_internal<trimap>(intersection, _bounds, _map, isBeingRenderedElsewhere);
assert( (trimap && isBeingRenderedElsewhere) || (!trimap && !isBeingRenderedElsewhere) );
//#define NATRON_BITMAP_DISABLE_OPTIMIZATION
#ifdef NATRON_BITMAP_DISABLE_OPTIMIZATION
if ( !bboxM.isNull() ) { // empty boxes should not be pushed
ret.push_back(bboxM);
}
#else
if ( bboxM.isNull() ) {
return; // return an empty rectangle list
}
// optimization by Fred, Jan 31, 2014
//
// Now that we have the smallest enclosing bounding box,
// let's try to find rectangles for the bottom, the top,
// the left and the right part.
// This happens quite often, for example when zooming out
// (in this case the area to compute is formed of A, B, C and D,
// and X is already rendered), or when panning (in this case the area
// is just two rectangles, e.g. A and C, and the rectangles B, D and
// X are already rendered).
// The rectangles A, B, C and D from the following drawing are just
// zeroes, and X contains zeroes and ones.
//
// BBBBBBBBBBBBBB
// BBBBBBBBBBBBBB
// CXXXXXXXXXXDDD
// CXXXXXXXXXXDDD
// CXXXXXXXXXXDDD
// CXXXXXXXXXXDDD
// AAAAAAAAAAAAAA
// First, find if there's an "A" rectangle, and push it to the result
//find bottom
RectI bboxX = bboxM;
RectI bboxA = bboxX;
bboxA.set_top( bboxX.bottom() );
for (int i = bboxX.bottom(); i < bboxX.top(); ++i) {
const char* buf = BM_GET( i, bboxX.left() );
if (trimap) {
const char* lineEnd = buf + bboxX.width();
bool metUnavailablePixel = false;
while (buf < lineEnd) {
if (*buf == 1) {
buf = 0;
break;
} else if ( (*buf == PIXEL_UNAVAILABLE) && trimap ) {
buf = 0;
metUnavailablePixel = true;
break;
}
++buf;
}
if (buf) {
++bboxX.y1;
bboxA.y2 = bboxX.y1;
} else {
if (metUnavailablePixel) {
*isBeingRenderedElsewhere = true;
}
break;
}
} else {
if ( !memchr( buf, 1, bboxX.width() ) ) {
++bboxX.y1;
bboxA.y2 = bboxX.y1;
} else {
break;
}
}
}
if ( !bboxA.isNull() ) { // empty boxes should not be pushed
ret.push_back(bboxA);
}
// Now, find the "B" rectangle
//find top
RectI bboxB = bboxX;
bboxB.set_bottom( bboxX.top() );
for (int i = bboxX.top() - 1; i >= bboxX.bottom(); --i) {
const char* buf = BM_GET( i, bboxX.left() );
if (trimap) {
const char* lineEnd = buf + bboxX.width();
bool metUnavailablePixel = false;
while (buf < lineEnd) {
if (*buf == 1) {
buf = 0;
break;
} else if ( (*buf == PIXEL_UNAVAILABLE) && trimap ) {
buf = 0;
metUnavailablePixel = true;
break;
}
++buf;
}
if (buf) {
--bboxX.y2;
bboxB.y1 = bboxX.y2;
} else {
if (metUnavailablePixel) {
*isBeingRenderedElsewhere = true;
}
break;
}
} else {
if ( !memchr( buf, 1, bboxX.width() ) ) {
--bboxX.y2;
bboxB.y1 = bboxX.y2;
} else {
break;
}
}
}
if ( !bboxB.isNull() ) { // empty boxes should not be pushed
ret.push_back(bboxB);
}
//find left
RectI bboxC = bboxX;
bboxC.set_right( bboxX.left() );
if ( bboxX.bottom() < bboxX.top() ) {
for (int j = bboxX.left(); j < bboxX.right(); ++j) {
const char* pix = BM_GET(bboxX.bottom(), j);
bool metUnavailablePixel = false;
for ( int i = bboxX.bottom(); i < bboxX.top(); ++i, pix += _bounds.width() ) {
if (*pix == 1) {
pix = 0;
break;
} else if ( trimap && (*pix == PIXEL_UNAVAILABLE) ) {
pix = 0;
metUnavailablePixel = true;
break;
}
}
if (pix) {
++bboxX.x1;
bboxC.x2 = bboxX.x1;
} else {
if (metUnavailablePixel) {
*isBeingRenderedElsewhere = true;
}
break;
}
}
}
if ( !bboxC.isNull() ) { // empty boxes should not be pushed
ret.push_back(bboxC);
}
//find right
RectI bboxD = bboxX;
bboxD.set_left( bboxX.right() );
if ( bboxX.bottom() < bboxX.top() ) {
for (int j = bboxX.right() - 1; j >= bboxX.left(); --j) {
const char* pix = BM_GET(bboxX.bottom(), j);
bool metUnavailablePixel = false;
for ( int i = bboxX.bottom(); i < bboxX.top(); ++i, pix += _bounds.width() ) {
if (*pix == 1) {
pix = 0;
break;
} else if ( trimap && (*pix == PIXEL_UNAVAILABLE) ) {
pix = 0;
metUnavailablePixel = true;
break;
}
}
if (pix) {
--bboxX.x2;
bboxD.x1 = bboxX.x2;
} else {
if (metUnavailablePixel) {
*isBeingRenderedElsewhere = true;
}
break;
}
}
}
if ( !bboxD.isNull() ) { // empty boxes should not be pushed
ret.push_back(bboxD);
}
assert( bboxA.bottom() == bboxM.bottom() );
assert( bboxA.left() == bboxM.left() );
assert( bboxA.right() == bboxM.right() );
assert( bboxA.top() == bboxX.bottom() );
assert( bboxB.top() == bboxM.top() );
assert( bboxB.left() == bboxM.left() );
assert( bboxB.right() == bboxM.right() );
assert( bboxB.bottom() == bboxX.top() );
assert( bboxC.top() == bboxX.top() );
assert( bboxC.left() == bboxM.left() );
assert( bboxC.right() == bboxX.left() );
assert( bboxC.bottom() == bboxX.bottom() );
assert( bboxD.top() == bboxX.top() );
assert( bboxD.left() == bboxX.right() );
assert( bboxD.right() == bboxM.right() );
assert( bboxD.bottom() == bboxX.bottom() );
// get the bounding box of what's left (the X rectangle in the drawing above)
bboxX = minimalNonMarkedBbox_internal<trimap>(bboxX, _bounds, _map, isBeingRenderedElsewhere);
if ( !bboxX.isNull() ) { // empty boxes should not be pushed
ret.push_back(bboxX);
}
#endif // NATRON_BITMAP_DISABLE_OPTIMIZATION
} // minimalNonMarkedRects
RectI
Bitmap::minimalNonMarkedBbox(const RectI & roi) const
{
if (_dirtyZoneSet) {
RectI realRoi;
if ( !roi.intersect(_dirtyZone, &realRoi) ) {
return RectI();
}
return minimalNonMarkedBbox_internal<0>(realRoi, _bounds, _map, NULL);
} else {
return minimalNonMarkedBbox_internal<0>(roi, _bounds, _map, NULL);
}
}
void
Bitmap::minimalNonMarkedRects(const RectI & roi,
std::list<RectI>& ret) const
{
if (_dirtyZoneSet) {
RectI realRoi;
if ( !roi.intersect(_dirtyZone, &realRoi) ) {
return;
}
minimalNonMarkedRects_internal<0>(realRoi, _bounds, _map, ret, NULL);
} else {
minimalNonMarkedRects_internal<0>(roi, _bounds, _map, ret, NULL);
}
}
#if NATRON_ENABLE_TRIMAP
RectI
Bitmap::minimalNonMarkedBbox_trimap(const RectI & roi,
bool* isBeingRenderedElsewhere) const
{
if (_dirtyZoneSet) {
RectI realRoi;
if ( !roi.intersect(_dirtyZone, &realRoi) ) {
*isBeingRenderedElsewhere = false;
return RectI();
}
return minimalNonMarkedBbox_internal<1>(realRoi, _bounds, _map, isBeingRenderedElsewhere);
} else {
return minimalNonMarkedBbox_internal<1>(roi, _bounds, _map, isBeingRenderedElsewhere);
}
}
void
Bitmap::minimalNonMarkedRects_trimap(const RectI & roi,
std::list<RectI>& ret,
bool* isBeingRenderedElsewhere) const
{
if (_dirtyZoneSet) {
RectI realRoi;
if ( !roi.intersect(_dirtyZone, &realRoi) ) {
*isBeingRenderedElsewhere = false;
return;
}
minimalNonMarkedRects_internal<1>(realRoi, _bounds, _map, ret, isBeingRenderedElsewhere);
} else {
minimalNonMarkedRects_internal<1>(roi, _bounds, _map, ret, isBeingRenderedElsewhere);
}
}
#endif
void
Bitmap::markFor(const RectI & roi, char value)
{
int x1 = std::max(roi.x1, _bounds.x1);
int y1 = std::max(roi.y1, _bounds.y1);
int x2 = std::min(roi.x2, _bounds.x2);
int y2 = std::min(roi.y2, _bounds.y2);
char* buf = BM_GET(y1, x1);
int w = _bounds.width();
int roiw = x2 - x1;
for (int i = y1; i < y2; ++i, buf += w) {
std::memset( buf, value, roiw);
}
}
bool
Bitmap::isNonMarked(const RectI & roi) const
{
int x1 = std::max(roi.x1, _bounds.x1);
int y1 = std::max(roi.y1, _bounds.y1);
int x2 = std::min(roi.x2, _bounds.x2);
int y2 = std::min(roi.y2, _bounds.y2);
const char* buf = BM_GET(y1, x1);
int w = _bounds.width();
int roiw = x2 - x1;
for (int i = y1; i < y2; ++i, buf += w) {
for (int j = 0; j < roiw; ++j) {
if (buf[j]) {
return false;
}
}
}
return true;
}
#if NATRON_ENABLE_TRIMAP
void
Bitmap::markForRendering(const RectI & roi)
{
return markFor(roi, PIXEL_UNAVAILABLE);
}
#endif
void
Bitmap::swap(Bitmap& other)
{
_map.swap(other._map);
_bounds = other._bounds;
_dirtyZone.clear(); //merge(other._dirtyZone);
_dirtyZoneSet = false;
}
const char*
Bitmap::getBitmapAt(int x,
int y) const
{
if ( ( x >= _bounds.left() ) && ( x < _bounds.right() ) && ( y >= _bounds.bottom() ) && ( y < _bounds.top() ) ) {
return BM_GET(y, x);
} else {
return NULL;
}
}
char*
Bitmap::getBitmapAt(int x,
int y)
{
if ( ( x >= _bounds.left() ) && ( x < _bounds.right() ) && ( y >= _bounds.bottom() ) && ( y < _bounds.top() ) ) {
return BM_GET(y, x);
} else {
return NULL;
}
}
#ifdef DEBUG
void
Image::printUnrenderedPixels(const RectI& roi) const
{
if (!_useBitmap) {
return;
}
QReadLocker k(&_entryLock);
const char* bm = _bitmap.getBitmapAt(roi.x1, roi.y1);
int roiw = roi.x2 - roi.x1;
int boundsW = _bitmap.getBounds().width();
RectD bboxUnrendered;
bboxUnrendered.setupInfinity();
RectD bboxUnavailable;
bboxUnavailable.setupInfinity();
bool hasUnrendered = false;
bool hasUnavailable = false;
for ( int y = roi.y1; y < roi.y2; ++y,
bm += (boundsW - roiw) ) {
for (int x = roi.x1; x < roi.x2; ++x, ++bm) {
if (*bm == 0) {
if (x < bboxUnrendered.x1) {
bboxUnrendered.x1 = x;
}
if (x > bboxUnrendered.x2) {
bboxUnrendered.x2 = x;
}
if (y < bboxUnrendered.y1) {
bboxUnrendered.y1 = y;
}
if (y > bboxUnrendered.y2) {
bboxUnrendered.y2 = y;
}
hasUnrendered = true;
} else if (*bm == PIXEL_UNAVAILABLE) {
if (x < bboxUnavailable.x1) {
bboxUnavailable.x1 = x;
}
if (x > bboxUnavailable.x2) {
bboxUnavailable.x2 = x;
}
if (y < bboxUnavailable.y1) {
bboxUnavailable.y1 = y;
}
if (y > bboxUnavailable.y2) {
bboxUnavailable.y2 = y;
}
hasUnavailable = true;
}
} // for x
} // for y
if (hasUnrendered) {
qDebug() << "Unrenderer pixels in the following region:";
bboxUnrendered.debug();
}
if (hasUnavailable) {
qDebug() << "Unavailable pixels in the following region:";
bboxUnavailable.debug();
}
} // Image::printUnrenderedPixels
#endif \
// ifdef DEBUG
Image::Image(const ImageKey & key,
const ImageParamsPtr& params,
const CacheAPI* cache)
: CacheEntryHelper<unsigned char, ImageKey, ImageParams>(key, params, cache)
, _useBitmap(true)
{
_bitDepth = params->getBitDepth();
_depthBytesSize = getSizeOfForBitDepth(_bitDepth);
_nbComponents = params->getComponents().getNumComponents();
_rod = params->getRoD();
_bounds = params->getBounds();
_par = params->getPixelAspectRatio();
_premult = params->getPremultiplication();
_fielding = params->getFieldingOrder();
}
Image::Image(const ImageKey & key,
const ImageParamsPtr& params)
: CacheEntryHelper<unsigned char, ImageKey, ImageParams>( key, params, NULL )
, _useBitmap(false)
{
_bitDepth = params->getBitDepth();
_depthBytesSize = getSizeOfForBitDepth(_bitDepth);
_nbComponents = params->getComponents().getNumComponents();
_rod = params->getRoD();
_bounds = params->getBounds();
_par = params->getPixelAspectRatio();
_premult = params->getPremultiplication();
_fielding = params->getFieldingOrder();
allocateMemory();
}
/*This constructor can be used to allocate a local Image. The deallocation should
then be handled by the user. Note that no view number is passed in parameter
as it is not needed.*/
Image::Image(const ImagePlaneDesc& components,
const RectD & regionOfDefinition, //!< rod in canonical coordinates
const RectI & bounds, //!< bounds in pixel coordinates
unsigned int mipMapLevel,
double par,
ImageBitDepthEnum bitdepth,
ImagePremultiplicationEnum premult,
ImageFieldingOrderEnum fielding,
bool useBitmap,
StorageModeEnum storage,
U32 textureTarget)
: CacheEntryHelper<unsigned char, ImageKey, ImageParams>()
, _useBitmap(useBitmap)
{
setCacheEntry(makeKey(0, 0, false, 0, ViewIdx(0), false, false),
#ifdef BOOST_NO_CXX11_VARIADIC_TEMPLATES
ImageParamsPtr( new ImageParams(regionOfDefinition,
par,
mipMapLevel,
bounds,
bitdepth,
fielding,
premult,
false /*isRoDProjectFormat*/,
components,
storage,
textureTarget) ),
#else
boost::make_shared<ImageParams>(regionOfDefinition,
par,
mipMapLevel,
bounds,
bitdepth,
fielding,
premult,
false /*isRoDProjectFormat*/,
components,
storage,
textureTarget),
#endif
NULL /*cacheAPI*/
);
_bitDepth = bitdepth;
_depthBytesSize = getSizeOfForBitDepth(_bitDepth);
_nbComponents = components.getNumComponents();
_rod = regionOfDefinition;
_bounds = _params->getBounds();
_par = par;
_premult = premult;
_fielding = fielding;
allocateMemory();
}
Image::~Image()
{
deallocate();
}
void
Image::onMemoryAllocated(bool diskRestoration)
{
if (_cache || _useBitmap) {
_bitmap.initialize(_bounds);
}
if (diskRestoration) {
_bitmap.setTo1();
}
#ifdef DEBUG
if (!diskRestoration) {
///fill with red, to recognize unrendered pixels
//fill(_bounds,1.,0.,0.,1.);
}
#endif
}
void
Image::setBitmapDirtyZone(const RectI& zone)
{
QWriteLocker k(&_entryLock);
_bitmap.setDirtyZone(zone);
}
ImageKey
Image::makeKey(const CacheEntryHolder* holder,
U64 nodeHashKey,
bool frameVaryingOrAnimated,
double time,
ViewIdx view,
bool draftMode,
bool fullScaleWithDownscaleInputs)
{
return ImageKey(holder, nodeHashKey, frameVaryingOrAnimated, time, view, 1., draftMode, fullScaleWithDownscaleInputs);
}
ImageParamsPtr
Image::makeParams(const RectD & rod,
const double par,
unsigned int mipMapLevel,
bool isRoDProjectFormat,
const ImagePlaneDesc& components,
ImageBitDepthEnum bitdepth,
ImagePremultiplicationEnum premult,
ImageFieldingOrderEnum fielding,
StorageModeEnum storage,
U32 textureTarget)
{
RectI bounds;
rod.toPixelEnclosing(mipMapLevel, par, &bounds);
#ifdef BOOST_NO_CXX11_VARIADIC_TEMPLATES
return ImageParamsPtr( new ImageParams(rod,
par,
mipMapLevel,
bounds,
bitdepth,
fielding,
premult,
isRoDProjectFormat,
components,
storage,
textureTarget) );
#else
return boost::make_shared<ImageParams>(rod,
par,
mipMapLevel,
bounds,
bitdepth,
fielding,
premult,
isRoDProjectFormat,
components,
storage,
textureTarget);
#endif
}
ImageParamsPtr
Image::makeParams(const RectD & rod, // the image rod in canonical coordinates
const RectI& bounds,
const double par,
unsigned int mipMapLevel,
bool isRoDProjectFormat,
const ImagePlaneDesc& components,
ImageBitDepthEnum bitdepth,
ImagePremultiplicationEnum premult,
ImageFieldingOrderEnum fielding,
StorageModeEnum storage,
U32 textureTarget)
{
#ifdef DEBUG
RectI pixelRod;
rod.toPixelEnclosing(mipMapLevel, par, &pixelRod);
assert( bounds.left() >= pixelRod.left() && bounds.right() <= pixelRod.right() &&
bounds.bottom() >= pixelRod.bottom() && bounds.top() <= pixelRod.top() );
#endif
#ifdef BOOST_NO_CXX11_VARIADIC_TEMPLATES
return ImageParamsPtr( new ImageParams(rod,
par,
mipMapLevel,
bounds,
bitdepth,
fielding,
premult,
isRoDProjectFormat,
components,
storage,
textureTarget) );
#else
return boost::make_shared<ImageParams>(rod,
par,
mipMapLevel,
bounds,
bitdepth,
fielding,
premult,
isRoDProjectFormat,
components,
storage,
textureTarget);
#endif
}
// code proofread and fixed by @devernay on 8/8/2014
template<typename PIX>
void
Image::pasteFromForDepth(const Image & srcImg,
const RectI & srcRoi,
bool copyBitmap,
bool takeSrcLock)
{
///Cannot copy images with different bit depth, this is not the purpose of this function.
///@see convert
assert( getBitDepth() == srcImg.getBitDepth() );
assert( (getBitDepth() == eImageBitDepthByte && sizeof(PIX) == 1) || (getBitDepth() == eImageBitDepthShort && sizeof(PIX) == 2) || (getBitDepth() == eImageBitDepthFloat && sizeof(PIX) == 4) );
// NOTE: before removing the following asserts, please explain why an empty image may happen
QWriteLocker k(&_entryLock);
boost::scoped_ptr<QReadLocker> k2;
if (takeSrcLock && &srcImg != this) {
k2.reset( new QReadLocker(&srcImg._entryLock) );
}
const RectI & bounds = _bounds;
const RectI & srcBounds = srcImg._bounds;
assert( !bounds.isNull() );
assert( !srcBounds.isNull() );
// only copy the intersection of roi, bounds and otherBounds
RectI roi = srcRoi;
bool doInteresect = roi.intersect(bounds, &roi);
if (!doInteresect) {
// no intersection between roi and the bounds of this image
return;
}
doInteresect = roi.intersect(srcBounds, &roi);
if (!doInteresect) {
// no intersection between roi and the bounds of the other image
return;
}
assert( getComponents() == srcImg.getComponents() );
if (copyBitmap && _useBitmap) {
copyBitmapPortion(roi, srcImg);
}
// now we're safe: both images contain the area in roi
int srcRowElements = _nbComponents * srcBounds.width();
int dstRowElements = _nbComponents * bounds.width();
const PIX* src = (const PIX*)srcImg.pixelAt(roi.x1, roi.y1);
PIX* dst = (PIX*)pixelAt(roi.x1, roi.y1);
assert(src && dst);
for (int y = roi.y1; y < roi.y2;
++y,
src += srcRowElements,
dst += dstRowElements) {
std::memcpy(dst, src, roi.width() * sizeof(PIX) * _nbComponents);
#ifdef DEBUG_NAN
for (int i = 0; i < roi.width() * _nbComponents; ++i) {
assert( !(boost::math::isnan)(src[i]) ); // check for NaN
assert( !(boost::math::isnan)(dst[i]) ); // check for NaN
}
#endif
}
} // Image::pasteFromForDepth
void
Image::setRoD(const RectD& rod)
{
QWriteLocker k(&_entryLock);
_rod = rod;
_params->setRoD(rod);
}
void
Image::resizeInternal(const Image* srcImg,
const RectI& srcBounds,
const RectI& merge,
bool fillWithBlackAndTransparent,
bool setBitmapTo1,
bool createInCache,
ImagePtr* outputImage)
{
///Allocate to resized image
if (!createInCache) {
*outputImage = boost::make_shared<Image>( srcImg->getComponents(),
srcImg->getRoD(),
merge,
srcImg->getMipMapLevel(),
srcImg->getPixelAspectRatio(),