gimp_bump_map.h File Reference

#include <QtGlobal>
#include "kis_types.h"

Go to the source code of this file.

Classes
struct	bumpmap_vals_t

Enumerations
enum	BumpmapType { LINEAR = 0 , SPHERICAL , SINUSOIDAL }

Functions
void KRITAIMAGE_EXPORT	bumpmap (KisPixelSelectionSP device, const QRect &selectionRect, const bumpmap_vals_t &bmvals)

Enumeration Type Documentation

BumpmapType

enum BumpmapType

Enumerator
LINEAR
SPHERICAL
SINUSOIDAL

Definition at line 21 of file gimp_bump_map.h.

{
  LINEAR = 0,
  SPHERICAL,
  SINUSOIDAL
};

Function Documentation

bumpmap()

void KRITAIMAGE_EXPORT bumpmap	(	KisPixelSelectionSP	device,
		const QRect &	selectionRect,
		const bumpmap_vals_t &	bmvals )

Definition at line 62 of file gimp_bump_map.cpp.

{
    KIS_ASSERT_RECOVER_RETURN(bmvals.xofs == 0);
    KIS_ASSERT_RECOVER_RETURN(bmvals.yofs == 0);
 
    bumpmap_params_t  params;
    bumpmap_init_params (&params, bmvals);
 
    const QRect dataRect = kisGrowRect(selectionRect, 1);
 
    const int dataRowSize = dataRect.width() * sizeof(quint8);
    const int selectionRowSize = selectionRect.width() * sizeof(quint8);
    QScopedArrayPointer<quint8> dstRow(new quint8[selectionRowSize]);
 
    QScopedArrayPointer<quint8> bmRow1(new quint8[dataRowSize]);
    QScopedArrayPointer<quint8> bmRow2(new quint8[dataRowSize]);
    QScopedArrayPointer<quint8> bmRow3(new quint8[dataRowSize]);
 
    device->readBytes(bmRow1.data(), dataRect.left(), dataRect.top(), dataRect.width(), 1);
    device->readBytes(bmRow2.data(), dataRect.left(), dataRect.top() + 1, dataRect.width(), 1);
    device->readBytes(bmRow3.data(), dataRect.left(), dataRect.top() + 2, dataRect.width(), 1);
 
    convertRow(bmRow1.data(), dataRect.width(), params.lut);
    convertRow(bmRow2.data(), dataRect.width(), params.lut);
    convertRow(bmRow3.data(), dataRect.width(), params.lut);
 
    for (int row = selectionRect.top();
         row < selectionRect.top() + selectionRect.height(); row++) {
 
        bumpmap_row (bmvals, dstRow.data(), selectionRect.width(),
                     bmRow1.data() + 1, bmRow2.data() + 1, bmRow3.data() + 1,
                     &params);
 
        device->writeBytes(dstRow.data(), selectionRect.left(), row, selectionRect.width(), 1);
 
        bmRow1.swap(bmRow2);
        bmRow2.swap(bmRow3);
 
        device->readBytes(bmRow3.data(), dataRect.left(), row + 1, dataRect.width(), 1);
        convertRow(bmRow3.data(), dataRect.width(), params.lut);
    }
}

References bumpmap_init_params(), bumpmap_row(), convertRow(), KIS_ASSERT_RECOVER_RETURN, kisGrowRect(), bumpmap_params_t::lut, KisPaintDevice::readBytes(), KisPaintDevice::writeBytes(), bumpmap_vals_t::xofs, and bumpmap_vals_t::yofs.