diff options
| author | Mike Kaganski <mike.kaganski@collabora.com> | 2022-10-24 09:01:32 +0200 |
|---|---|---|
| committer | Mike Kaganski <mike.kaganski@collabora.com> | 2022-10-24 14:08:42 +0200 |
| commit | ebb3a72ba0c4f070c9c254c439147beea8b2d93d (patch) | |
| tree | 2647ec01f6ce9148fe00394fdda50333efc8ab88 /desktop | |
| parent | d4b33bda7363eaabc4ba77f3ff4bc47fc01418f6 (diff) | |
Paint tiles on Windows
A step toward enabling gtktiledviewer on Windows
Not the nicest solution, but it does the job initially.
Change-Id: I9144c2b899eb122e918123a70279cd50a4a02df1
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141710
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Diffstat (limited to 'desktop')
| -rw-r--r-- | desktop/source/lib/init.cxx | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx index 388ca174c23b..ee6802ebb24e 100644 --- a/desktop/source/lib/init.cxx +++ b/desktop/source/lib/init.cxx @@ -137,6 +137,9 @@ #include <vcl/ImageTree.hxx> #include <vcl/ITiledRenderable.hxx> #include <vcl/dialoghelper.hxx> +#ifdef _WIN32 +#include <vcl/BitmapReadAccess.hxx> +#endif #include <unicode/uchar.h> #include <unotools/securityoptions.hxx> #include <unotools/confignode.hxx> @@ -3618,7 +3621,7 @@ static void doc_paintTile(LibreOfficeKitDocument* pThis, return; } -#if defined(UNX) && !defined(MACOSX) +#if defined(UNX) && !defined(MACOSX) || defined(_WIN32) // Painting of zoomed or HiDPI spreadsheets is special, we actually draw everything at 100%, // and only set cairo's (or CoreGraphic's, in the iOS case) scale factor accordingly, so that @@ -3655,6 +3658,36 @@ static void doc_paintTile(LibreOfficeKitDocument* pThis, pDevice->DrawRect(aRect); pDevice->Pop(); } + +#ifdef _WIN32 + // pBuffer was not used there + tools::Rectangle r(pDevice->PixelToLogic({ Point(0, 0), Size(nCanvasWidth + 1, nCanvasHeight + 1) })); + BitmapEx aBmpEx = pDevice->GetBitmapEx(r.TopLeft(), r.GetSize()); + Bitmap aBmp = aBmpEx.GetBitmap(); + Bitmap aAlpha = aBmpEx.GetAlpha(); + Bitmap::ScopedReadAccess sraBmp(aBmp); + Bitmap::ScopedReadAccess sraAlpha(aAlpha); + + assert(sraBmp->Height() == nCanvasHeight); + assert(sraBmp->Width() == nCanvasWidth); + assert(!sraAlpha || sraBmp->Height() == sraAlpha->Height()); + assert(!sraAlpha || sraBmp->Width() == sraAlpha->Width()); + auto p = pBuffer; + for (tools::Long y = 0; y < sraBmp->Height(); ++y) + { + Scanline dataBmp = sraBmp->GetScanline(y); + Scanline dataAlpha = sraAlpha ? sraAlpha->GetScanline(y) : nullptr; + for (tools::Long x = 0; x < sraBmp->Width(); ++x) + { + BitmapColor color = sraBmp->GetPixelFromData(dataBmp, x); + sal_uInt8 alpha = dataAlpha ? sraAlpha->GetPixelFromData(dataAlpha, x).GetBlue() : 255; + *p++ = color.GetBlue(); + *p++ = color.GetGreen(); + *p++ = color.GetRed(); + *p++ = alpha; + } + } +#endif #endif #else |