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Updated IPLImageToFMXBitmap for ROI

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Signed-off-by: Laentir Valetov <laex@bk.ru>
This commit is contained in:
Laentir Valetov 2019-03-18 20:10:15 +04:00
parent f9756872b6
commit d614a08892
7 changed files with 853 additions and 41 deletions
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2
samples/LibDemo/cvSetImageROI/cv_SetImageROI.dproj
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@ -7,7 +7,7 @@
<TargetedPlatforms>3</TargetedPlatforms>
<AppType>Console</AppType>
<FrameworkType>None</FrameworkType>
<ProjectVersion>18.2</ProjectVersion>
<ProjectVersion>18.6</ProjectVersion>
<Platform Condition="'$(Platform)'==''">Win32</Platform>
</PropertyGroup>
<PropertyGroup Condition="'$(Config)'=='Base' or '$(Base)'!=''">

44
samples/LibDemo/cvSetImageROI/cv_SetImageROI2.dpr
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@ -1,25 +1,25 @@
//*****************************************************************
// Delphi-OpenCV Demo
// Copyright (C) 2013 Project Delphi-OpenCV
// ****************************************************************
// Contributor:
// Laentir Valetov
// email:laex@bk.ru
// ****************************************************************
// You may retrieve the latest version of this file at the GitHub,
// located at git://github.com/Laex/Delphi-OpenCV.git
// ****************************************************************
// The contents of this file are used with permission, subject to
// the Mozilla Public License Version 1.1 (the "License"); you may
// not use this file except in compliance with the License. You may
// obtain a copy of the License at
// http://www.mozilla.org/MPL/MPL-1_1Final.html
//
// Software distributed under the License is distributed on an
// "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
// implied. See the License for the specific language governing
// rights and limitations under the License.
//*******************************************************************
(* ****************************************************************
Delphi-OpenCV Demo
Copyright (C) 2013 Project Delphi-OpenCV
****************************************************************
Contributor:
Laentir Valetov
email:laex@bk.ru
****************************************************************
You may retrieve the latest version of this file at the GitHub,
located at git://github.com/Laex/Delphi-OpenCV.git
****************************************************************
The contents of this file are used with permission, subject to
the Mozilla Public License Version 1.1 (the "License"); you may
not use this file except in compliance with the License. You may
obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1_1Final.html
Software distributed under the License is distributed on an
"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
implied. See the License for the specific language governing
rights and limitations under the License.
****************************************************************** *)
program cv_SetImageROI2;

2
samples/LibDemo/cvSetImageROI/cv_SetImageROI2.dproj
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@ -7,7 +7,7 @@
<TargetedPlatforms>3</TargetedPlatforms>
<AppType>Console</AppType>
<FrameworkType>None</FrameworkType>
<ProjectVersion>18.2</ProjectVersion>
<ProjectVersion>18.6</ProjectVersion>
<Platform Condition="'$(Platform)'==''">Win32</Platform>
</PropertyGroup>
<PropertyGroup Condition="'$(Config)'=='Base' or '$(Base)'!=''">

82
samples/LibDemo/cvSetImageROI/cv_SetImageROI3.dpr Normal file
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@ -0,0 +1,82 @@
(* ****************************************************************
Delphi-OpenCV Demo
Copyright (C) 2013 Project Delphi-OpenCV
****************************************************************
Contributor:
Laentir Valetov
email:laex@bk.ru
****************************************************************
You may retrieve the latest version of this file at the GitHub,
located at git://github.com/Laex/Delphi-OpenCV.git
****************************************************************
The contents of this file are used with permission, subject to
the Mozilla Public License Version 1.1 (the "License"); you may
not use this file except in compliance with the License. You may
obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1_1Final.html
Software distributed under the License is distributed on an
"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
implied. See the License for the specific language governing
rights and limitations under the License.
****************************************************************** *)
program cv_SetImageROI3;
{$APPTYPE CONSOLE}
{$R *.res}
uses
System.SysUtils,
ocv.highgui_c,
ocv.core_c,
ocv.core.types_c,
ocv.imgproc_c,
ocv.imgproc.types_c,
uResourcePaths;
const
// èìÿ êàðòèíêè
filename = cResourceMedia + 'cat2.jpg';
var
image: PIplImage = nil;
x: Integer;
y: Integer;
width: Integer;
height: Integer;
begin
try
image := cvLoadImage(filename, 1);
Writeln('[i] image: ', filename);
if not Assigned(image) then
Halt;
cvNamedWindow('origianl', CV_WINDOW_AUTOSIZE);
cvNamedWindow('ROI', CV_WINDOW_AUTOSIZE);
// çàäà¸ì ROI
x := 10;
y := 10;
width := image^.width div 2;
height := image^.height div 2;
cvShowImage('origianl', image);
// ócòàíàâëèâàåì ROI
cvSetImageROI(image, cvRect(x, y, width, height));
// ïîêàçûâàåì èçîáðàæåíèå
cvShowImage('ROI', image);
// cáðccûâàåì ROI
cvResetImageROI(image);
// æä¸ì íàæàòèÿ êëàâèøè
cvWaitKey(0);
// îcâîáîæäàåì ðåcóðcû
cvReleaseImage(image);
cvDestroyAllWindows;
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.

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samples/LibDemo/cvSetImageROI/cv_SetImageROI3.dproj Normal file
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@ -0,0 +1,712 @@
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BIN
samples/LibDemo/cvSetImageROI/cv_SetImageROI3.res Normal file
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52
source/ocv.fmxutils.pas
View File

@ -32,12 +32,13 @@ interface
Uses
ocv.core.types_c
{$IFDEF DELPHIXE5_UP}
, FMX.Graphics
, FMX.Graphics
{$IFEND}
;
;
{$IFDEF DELPHIXE5_UP}
procedure IPLImageToFMXBitmap(const IpImage: pIplImage; const FMXBitmap: TBitmap); inline;
procedure IPLImageToFMXBitmap(const IpImage: pIplImage; const FMXBitmap: TBitmap;
const WithROI: Boolean = true); inline;
{$IFEND}
implementation
@ -46,10 +47,10 @@ implementation
Uses FMX.Types;
procedure IPLImageToFMXBitmap(const IpImage: pIplImage; const FMXBitmap: TBitmap); inline;
procedure IPLImageToFMXBitmap(const IpImage: pIplImage; const FMXBitmap: TBitmap; const WithROI: Boolean); inline;
Var
BitmapData: TBitmapData;
i: Integer;
i, j, src_index, dst_index: Integer;
SrcData, DestData: pByte;
nC: Integer;
pf: Integer;
@ -64,27 +65,44 @@ begin
SrcData := AllocMem(Width * Height * nC);
Move(imageData^, SrcData^, Width * Height * nC);
end;
// FMXBitmap.Canvas.BeginScene;
// try
if (FMXBitmap.Width <> IpImage^.Width) or (FMXBitmap.Height <> IpImage^.Height) then
if WithROI and Assigned(IpImage^.roi) then
begin
if (FMXBitmap.Width <> IpImage^.roi^.Width) or (FMXBitmap.Height <> IpImage^.roi^.Height) then
FMXBitmap.SetSize(IpImage^.roi^.Width, IpImage^.roi^.Height);
end
else if (FMXBitmap.Width <> IpImage^.Width) or (FMXBitmap.Height <> IpImage^.Height) then
FMXBitmap.SetSize(IpImage^.Width, IpImage^.Height);
if FMXBitmap.Map(TMapAccess.Write, BitmapData) then
try
DestData := pByte(BitmapData.Data);
pf := PixelFormatBytes[FMXBitmap.PixelFormat];
for i := 0 to BitmapData.Width * BitmapData.Height - 1 do
if WithROI and Assigned(IpImage^.roi) then
begin
DestData[i * pf + 0] := SrcData[i * nC + 0];
DestData[i * pf + 1] := SrcData[i * nC + 1];
DestData[i * pf + 2] := SrcData[i * nC + 2];
DestData[i * pf + 3] := $FF;
end;
for j := 0 to BitmapData.Height - 1 do
for i := 0 to BitmapData.Width - 1 do
begin
src_index := ((j + IpImage^.roi^.yOffset) * IpImage^.Width + (i + IpImage^.roi^.xOffset)) * nC;
dst_index := (j * BitmapData.Width + i) * pf;
DestData[dst_index + 0] := SrcData[src_index + 0];
DestData[dst_index + 1] := SrcData[src_index + 1];
DestData[dst_index + 2] := SrcData[src_index + 2];
DestData[dst_index + 3] := $FF;
end;
end
else
for i := 0 to BitmapData.Width * BitmapData.Height - 1 do
begin
DestData[i * pf + 0] := SrcData[i * nC + 0];
DestData[i * pf + 1] := SrcData[i * nC + 1];
DestData[i * pf + 2] := SrcData[i * nC + 2];
DestData[i * pf + 3] := $FF;
end;
finally
FMXBitmap.Unmap(BitmapData);
end;
// finally
// FMXBitmap.Canvas.EndScene;
// end;
finally
if Assigned(SrcData) then
FreeMem(SrcData);