[Libreoffice-commits] core.git: vcl/headless

[Caolán McNamara]

 vcl/headless/svpgdi.cxx |   14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

New commits:
commit db884459a0e250122f8bbcc906107ce424f1e955
Author: Caolán McNamara <caol...@redhat.com>
Date:   Wed Nov 25 20:39:34 2015 +0000

    gtk3: use cairo to do drawAlphaBitmap with scaling
    
    now we're beautiful
    
    Change-Id: If688a89c3a65b7f9bb01890f8ddc81fc6cc8c2b8

diff --git a/vcl/headless/svpgdi.cxx b/vcl/headless/svpgdi.cxx
index ccfdd5c..477b33e 100644
--- a/vcl/headless/svpgdi.cxx
+++ b/vcl/headless/svpgdi.cxx
@@ -156,12 +156,6 @@ bool SvpSalGraphics::drawAlphaBitmap( const SalTwoRect& 
rTR, const SalBitmap& rS
         return false;
     }
 
-    if (rTR.mnSrcWidth != rTR.mnDestWidth || rTR.mnSrcHeight != 
rTR.mnDestHeight)
-    {
-        SAL_WARN("vcl.gdi", "unsupported SvpSalGraphics::drawAlphaBitmap scale 
case");
-        return false;
-    }
-
     cairo_surface_t* source = nullptr;
 
     const SvpSalBitmap& rSrc = static_cast<const SvpSalBitmap&>(rSourceBitmap);
@@ -259,13 +253,15 @@ bool SvpSalGraphics::drawAlphaBitmap( const SalTwoRect& 
rTR, const SalBitmap& rS
 
     cairo_rectangle(cr, rTR.mnDestX, rTR.mnDestY, rTR.mnDestWidth, 
rTR.mnDestHeight);
 
-    cairo_set_source_surface(cr, source, rTR.mnDestX - rTR.mnSrcX, rTR.mnDestY 
- rTR.mnSrcY);
-
     if (xDamageTracker)
         extents = getFillDamage(cr);
 
     cairo_clip(cr);
-    cairo_mask_surface(cr, mask, rTR.mnDestX - rTR.mnSrcX, rTR.mnDestY - 
rTR.mnSrcY);
+
+    cairo_translate(cr, rTR.mnDestX, rTR.mnDestY);
+    cairo_scale(cr, (double)(rTR.mnDestWidth)/rTR.mnSrcWidth, 
((double)rTR.mnDestHeight)/rTR.mnSrcHeight);
+    cairo_set_source_surface(cr, source, -rTR.mnSrcX, -rTR.mnSrcY);
+    cairo_mask_surface(cr, mask, -rTR.mnSrcX, -rTR.mnSrcY);
 
     cairo_surface_flush(cairo_get_target(cr));
     cairo_surface_destroy(mask);

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