Delphi-OpenCV/samples/LibTest/cvWrapPrespective/cv_WarpPerspective.dpr

89 lines
2.7 KiB
ObjectPascal
Raw Normal View History

// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
// JCL_DEBUG_EXPERT_INSERTJDBG OFF
// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
program cv_WarpPerspective;
{$APPTYPE CONSOLE}
{$POINTERMATH ON}
{$R *.res}
uses
System.SysUtils,
Core.types_c in '..\..\..\include\<5C>ore\Core.types_c.pas',
core_c in '..\..\..\include\<5C>ore\core_c.pas',
highgui_c in '..\..\..\include\highgui\highgui_c.pas',
imgproc.types_c in '..\..\..\include\imgproc\imgproc.types_c.pas',
imgproc_c in '..\..\..\include\imgproc\imgproc_c.pas',
uLibName in '..\..\..\include\uLibName.pas',
types_c in '..\..\..\include\<5C>ore\types_c.pas';
const
filename = 'resource\opencv_logo_with_text.png';
Var
src: pIplImage = nil;
dst: pIplImage = nil;
srcQuad, dstQuad: pCvPoint2D32f;
warp_matrix: pCvMat;
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
src := cvLoadImage(filename, CV_LOAD_IMAGE_GRAYSCALE);
WriteLn(Format('[i] image: %s', [filename]));
cvNamedWindow('Original', CV_WINDOW_AUTOSIZE);
cvShowImage('Original', src);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
warp_matrix := cvCreateMat(3, 3, CV_32FC1);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
dst := cvCloneImage(src);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
srcQuad:=AllocMem(SizeOf(TCvPoint2D32f)*4);
dstQuad:=AllocMem(SizeOf(TCvPoint2D32f)*4);
srcQuad[0].x := 0; //src Top left
srcQuad[0].y := 0;
srcQuad[1].x := src.width - 1; //src Top right
srcQuad[1].y := 0;
srcQuad[2].x := 0; //src Bottom left
srcQuad[2].y := src.height - 1;
srcQuad[3].x := src.width - 1; //src Bot right
srcQuad[3].y := src.height - 1;
//- - - - - - - - - - - - - -//
dstQuad[0].x := src.width*0.05; //dst Top left
dstQuad[0].y := src.height*0.33;
dstQuad[1].x := src.width*0.9; //dst Top right
dstQuad[1].y := src.height*0.25;
dstQuad[2].x := src.width*0.2; //dst Bottom left
dstQuad[2].y := src.height*0.7;
dstQuad[3].x := src.width*0.8; //dst Bot right
dstQuad[3].y := src.height*0.9;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvGetPerspectiveTransform(srcQuad, dstQuad, warp_matrix);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// CV_WARP_INVERSE_MAP <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> dst <20> src
// CV_WARP_FILL_OUTLIERS <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> fillval)
// fillval <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvWarpPerspective(src, dst, warp_matrix, CV_INTER_LINEAR or CV_WARP_FILL_OUTLIERS, cvScalarAll(0));
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvNamedWindow('WarpPerspective', CV_LOAD_IMAGE_GRAYSCALE);
cvShowImage('WarpPerspective', dst);
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvWaitKey(0);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
FreeMem(srcQuad);
FreeMem(dstQuad);
cvReleaseImage(src);
cvReleaseImage(dst);
cvReleaseMat(warp_matrix);
cvDestroyAllWindows();
end.