paweld/lazarus-ccr
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

rgbgraphics: Add qt5 support.

Browse Source 
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@9314 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz 2024-04-03 16:23:07 +00:00
parent 7d571238f8
commit 7b6eeafcb3
1 changed files with 97 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

97
components/rgbgraphics/source/rgbqt5routines.pas Normal file
View File

@ -0,0 +1,97 @@
{
/***************************************************************************
RGBQt5Routines.pas
***************************************************************************/
*****************************************************************************
* *
* See the file COPYING.modifiedLGPL, included in this distribution, *
* for details about the copyright. *
* *
* This program 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. *
* *
*****************************************************************************
Author: Tom Gregorovic (_tom_@centrum.cz)
Abstract:
This unit contains routines for Qt interface.
}
unit RGBQt5Routines;
{$ifdef fpc}
{$mode objfpc}{$H+}
{$endif}
interface
uses
SysUtils, Types, LCLType, Qt5, QtObjects, Classes,
RGBTypes;
procedure WidgetSetDrawRGB32Bitmap(Dest: HDC; DstX, DstY: Integer; SrcX, SrcY, SrcWidth, SrcHeight: Integer;
Bitmap: TRGB32BitmapCore);
procedure WidgetSetStretchDrawRGB32Bitmap(Dest: HDC; DstX, DstY, DstWidth, DstHeight: Integer;
SrcX, SrcY, SrcWidth, SrcHeight: Integer; Bitmap: TRGB32BitmapCore);
procedure WidgetSetDrawRGB8Bitmap(Dest: HDC; DstX, DstY: Integer; SrcX, SrcY, SrcWidth, SrcHeight: Integer;
Bitmap: TRGB8BitmapCore);
implementation
procedure WidgetSetDrawRGB32Bitmap(Dest: HDC; DstX, DstY: Integer; SrcX, SrcY, SrcWidth,
SrcHeight: Integer; Bitmap: TRGB32BitmapCore);
begin
WidgetSetStretchDrawRGB32Bitmap(Dest, DstX, DstY, SrcWidth, SrcHeight, SrcX, SrcY, SrcWidth, SrcHeight, Bitmap);
end;
procedure WidgetSetStretchDrawRGB32Bitmap(Dest: HDC; DstX, DstY, DstWidth,
DstHeight: Integer; SrcX, SrcY, SrcWidth, SrcHeight: Integer;
Bitmap: TRGB32BitmapCore);
var
DstQDC: TQtDeviceContext absolute Dest;
SrcRect, DstRect: TRect;
Image: TQtImage;
begin
DstRect := Bounds(DstX, DstY, DstWidth, DstHeight);
SrcRect := Bounds(SrcX, SrcY, SrcWidth, SrcHeight);
Image := TQtImage.Create(Bitmap.Pixels, Bitmap.Width, Bitmap.Height, QImageFormat_RGB32);
try
QPainter_drawImage(DstQDC.Widget, PRect(@DstRect), Image.Handle, @SrcRect, QtAutoColor);
finally
Image.Free;
end;
end;
procedure WidgetSetDrawRGB8Bitmap(Dest: HDC; DstX, DstY: Integer; SrcX, SrcY,
SrcWidth, SrcHeight: Integer; Bitmap: TRGB8BitmapCore);
var
DstQDC: TQtDeviceContext absolute Dest;
SrcRect, DstRect: TRect;
Image: TQtImage;
I: Integer;
begin
DstRect := Bounds(DstX, DstY, SrcWidth, SrcHeight);
SrcRect := Bounds(SrcX, SrcY, SrcWidth, SrcHeight);
Image := TQtImage.Create(Bitmap.Pixels, Bitmap.Width, Bitmap.Height, QImageFormat_Indexed8);
try
// initialize palette
for I := 0 to 255 do
QImage_setColor(Image.Handle, I, I + I shl 8 + I shl 16 + $FF shl 24);
QPainter_drawImage(DstQDC.Widget, PRect(@DstRect), Image.Handle, @SrcRect, QtAutoColor);
finally
Image.Free;
end;
end;
end.