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Code Issues 33 Projects Packages Wiki Activity Actions

PixRaster : added some more function wrappers

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git-svn-id: svn://ultimatepp.org/upp/trunk@2595 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
micio 2010-08-07 07:56:21 +00:00
parent 1b6abbdbe4
commit 6241f2e7dd
5 changed files with 117 additions and 0 deletions
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19
bazaar/PixRaster/Lept-Blend.cpp
View file

@ -19,4 +19,23 @@ Pix Pix::CombineMasked(Pix &aPix, Pix &maskPix)
} // END Pix::CombineMasked()
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// extracts a rectangular area from PIX
Pix Pix::ClipRectangle(Rect r)
{
if(IsEmpty())
return Pix();
BOX box;
box.x = r.left;
box.y = r.top;
box.w = r.right - r.left;
box.h = r.bottom - r.top;
PIX *dPix = pixClipRectangle(pix, &box, NULL);
if(!dPix)
return Pix();
return Pix(&dPix);
}
END_UPP_NAMESPACE

50
bazaar/PixRaster/Lept-Morph.cpp
View file

@ -50,4 +50,54 @@ Pix Pix::CloseGray(int hsize, int vsize)
} // END Pix::CloseGray()
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
Pix Pix::ErodeBrick(int hsize, int vsize)
{
if(IsEmpty())
return Pix();
PIX *dPix = pixErodeBrick(NULL, pix, hsize, vsize);
if(!dPix)
return Pix();
return Pix(&dPix);
} // END Pix::ErodeBrick()
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
Pix Pix::DilateBrick(int hsize, int vsize)
{
if(IsEmpty())
return Pix();
PIX *dPix = pixDilateBrick(NULL, pix, hsize, vsize);
if(!dPix)
return Pix();
return Pix(&dPix);
} // END Pix::DilateBrick()
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
Pix Pix::OpenBrick(int hsize, int vsize)
{
if(IsEmpty())
return Pix();
PIX *dPix = pixOpenBrick(NULL, pix, hsize, vsize);
if(!dPix)
return Pix();
return Pix(&dPix);
} // END Pix::OpenBrick()
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
Pix Pix::CloseBrick(int hsize, int vsize)
{
if(IsEmpty())
return Pix();
PIX *dPix = pixCloseBrick(NULL, pix, hsize, vsize);
if(!dPix)
return Pix();
return Pix(&dPix);
} // END Pix::CloseBrick()
END_UPP_NAMESPACE

13
bazaar/PixRaster/Lept-PageSeg.cpp
View file

@ -59,4 +59,17 @@ Array<int> Pix::FindBaselines()
} // END Pix::FindBaseLines()
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// foreground bounding box locating routine
// scans from a given border through image center to locate
// first non-background pixel.
// scanFlag is one of L_FROM_LEFT, L_FROM_RIGHT, L_FROM_TOP, L_FROM_BOTTOM
// returns true on success, false otherwise
bool Pix::ScanForForeground(int &loc, enum ScanModes scanMode)
{
int res = pixScanForForeground(pix, NULL, (l_int32)scanMode, (l_int32 *)&loc);
return (res == 0);
}
END_UPP_NAMESPACE

13
bazaar/PixRaster/Lept-Rotate.cpp
View file

@ -39,4 +39,17 @@ Pix Pix::RotateAMGray(double angle, int incolor)
} // END Pix::RotateAMGray()
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Rotates image (any kind) about center.
Pix Pix::Rotate(double angle, int type, int incolor, int width, int height)
{
if(IsEmpty())
return Pix();
PIX *dPix = pixRotate(pix, angle, type, incolor, width, height);
if(!dPix)
return Pix();
return Pix(&dPix);
} // END Pix::Rotate()
END_UPP_NAMESPACE

22
bazaar/PixRaster/PixRaster.h
View file

@ -146,6 +146,12 @@ class Pix : public PixBase
// bring-in color modes
enum BringInModes { PIXRASTER_BRING_IN_WHITE = L_BRING_IN_WHITE, PIXRASTER_BRING_IN_BLACK = L_BRING_IN_BLACK };
// rotate modes
enum RotateModes { PIXRASTER_ROTATE_AREA_MAP = L_ROTATE_AREA_MAP, PIXRASTER_ROTATE_SHEAR = L_ROTATE_SHEAR, PIXRASTER_ROTATE_SAMPLING = L_ROTATE_SAMPLING };
// scan direction modes
enum ScanModes { PIXRASTER_FROM_LEFT = L_FROM_LEFT, PIXRASTER_FROM_RIGHT = L_FROM_RIGHT, PIXRASTER_FROM_TOP = L_FROM_TOP, PIXRASTER_FROM_BOTTOM = L_FROM_BOTTOM };
// loads Pix from another raster object
void Load(Raster& raster, bool deepCopy = false, int page = PIXRASTER_CURPAGE);
@ -268,6 +274,7 @@ class Pix : public PixBase
Pix RotateAM(double angle, BringInModes incolor = PIXRASTER_BRING_IN_WHITE);
Pix RotateAMColor(double angle, int colorval);
Pix RotateAMGray(double angle, int grayval);
Pix Rotate(double angle, int type = PIXRASTER_ROTATE_SHEAR, int incolor = PIXRASTER_BRING_IN_WHITE, int width = 0, int height = 0);
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// MORPHING FUNCTIONS
@ -277,6 +284,11 @@ class Pix : public PixBase
Pix OpenGray(int hsize, int vsize);
Pix CloseGray(int hsize, int vsize);
Pix ErodeBrick(int hsize, int vsize);
Pix DilateBrick(int hsize, int vsize);
Pix OpenBrick(int hsize, int vsize);
Pix CloseBrick(int hsize, int vsize);
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// ARITHMETIC AND ALIKE FUNCTIONS
@ -290,6 +302,9 @@ class Pix : public PixBase
// BLENDING/COMBINING FUNCTIONS
Pix CombineMasked(Pix &aPix, Pix &maskPix);
// extracts a rectangular area from PIX
Pix ClipRectangle(Rect r);
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// DOCUMENT PAGE SEGMENTING FUNCTIONS
@ -300,6 +315,13 @@ class Pix : public PixBase
// text baseline finding routine
Array<int> FindBaselines();
// foreground bounding box locating routine
// scans from a given border through image center to locate
// first non-background pixel.
// scanFlag is one of PIXRASTER_FROM_LEFT, PIXRASTER_FROM_RIGHT, PIXRASTER_FROM_TOP, PIXRASTER_FROM_BOTTOM
// returns true on success, false otherwise
bool ScanForForeground(int &loc, enum ScanModes scanMode);
}; // END Class Pix
/////////////////////////////////////////////////////////////////////////////////////////////////////////////