canvas/source/cairo/cairo_canvasbitmap.cxx | 7 +++++
vcl/headless/svpgdi.cxx | 36 ++++++++++++-----------------
vcl/inc/headless/svpgdi.hxx | 12 +++++++++
3 files changed, 34 insertions(+), 21 deletions(-)
New commits:
commit c25738dd7704b0cdc1d750cbac14af88183f21a7
Author: David Tardon <dtar...@redhat.com>
Date: Mon Jun 27 20:37:25 2016 +0200
update other places that read data from cairo image surface
Change-Id: Icb8761e5ff89e1c0e0e034a751fe9a50ad5ab90a
(cherry picked from commit cff87aac4ec77957569377d690bc4aa8f7146e0d)
Reviewed-on: https://gerrit.libreoffice.org/26759
Tested-by: Jenkins <c...@libreoffice.org>
Reviewed-by: Caolán McNamara <caol...@redhat.com>
Tested-by: Caolán McNamara <caol...@redhat.com>
diff --git a/canvas/source/cairo/cairo_canvasbitmap.cxx
b/canvas/source/cairo/cairo_canvasbitmap.cxx
index 2e5f886..6857e8d2 100644
--- a/canvas/source/cairo/cairo_canvasbitmap.cxx
+++ b/canvas/source/cairo/cairo_canvasbitmap.cxx
@@ -152,10 +152,17 @@ namespace cairocanvas
sal_uInt32 *pPix = reinterpret_cast<sal_uInt32
*>(pSrc + nStride * y);
for( unsigned long x = 0; x < (unsigned long)
aSize.Width(); x++ )
{
+#if defined OSL_BIGENDIAN
+ sal_uInt8 nB = (*pPix >> 24);
+ sal_uInt8 nG = (*pPix >> 16) & 0xff;
+ sal_uInt8 nR = (*pPix >> 8) & 0xff;
+ sal_uInt8 nAlpha = *pPix & 0xff;
+#else
sal_uInt8 nAlpha = (*pPix >> 24);
sal_uInt8 nR = (*pPix >> 16) & 0xff;
sal_uInt8 nG = (*pPix >> 8) & 0xff;
sal_uInt8 nB = *pPix & 0xff;
+#endif
if( nAlpha != 0 && nAlpha != 255 )
{
// Cairo uses pre-multiplied alpha - we do
not => re-multiply
diff --git a/vcl/headless/svpgdi.cxx b/vcl/headless/svpgdi.cxx
index 2ddc8e5..5d6549e 100644
--- a/vcl/headless/svpgdi.cxx
+++ b/vcl/headless/svpgdi.cxx
@@ -1059,9 +1059,9 @@ void SvpSalGraphics::drawMask( const SalTwoRect& rTR,
unsigned char *data = row + (rTR.mnSrcX * 4);
for (sal_Int32 x = rTR.mnSrcX; x < rTR.mnSrcX + rTR.mnSrcWidth; ++x)
{
- sal_uInt8 b = unpremultiply(data[0], data[3]);
- sal_uInt8 g = unpremultiply(data[1], data[3]);
- sal_uInt8 r = unpremultiply(data[2], data[3]);
+ sal_uInt8 b = unpremultiply(data[SVP_CAIRO_BLUE],
data[SVP_CAIRO_ALPHA]);
+ sal_uInt8 g = unpremultiply(data[SVP_CAIRO_GREEN],
data[SVP_CAIRO_ALPHA]);
+ sal_uInt8 r = unpremultiply(data[SVP_CAIRO_RED],
data[SVP_CAIRO_ALPHA]);
if (r == 0 && g == 0 && b == 0)
{
data[0] = SALCOLOR_BLUE(nMaskColor);
@@ -1125,15 +1125,9 @@ SalColor SvpSalGraphics::getPixel( long nX, long nY )
unsigned char *surface_data = cairo_image_surface_get_data(m_pSurface);
unsigned char *row = surface_data + (nStride*nY);
unsigned char *data = row + (nX * 4);
-# if defined OSL_BIGENDIAN
- sal_uInt8 b = unpremultiply(data[3], data[0]);
- sal_uInt8 g = unpremultiply(data[2], data[0]);
- sal_uInt8 r = unpremultiply(data[1], data[0]);
-#else
- sal_uInt8 b = unpremultiply(data[0], data[3]);
- sal_uInt8 g = unpremultiply(data[1], data[3]);
- sal_uInt8 r = unpremultiply(data[2], data[3]);
-#endif
+ sal_uInt8 b = unpremultiply(data[SVP_CAIRO_BLUE], data[SVP_CAIRO_ALPHA]);
+ sal_uInt8 g = unpremultiply(data[SVP_CAIRO_GREEN], data[SVP_CAIRO_ALPHA]);
+ sal_uInt8 r = unpremultiply(data[SVP_CAIRO_RED], data[SVP_CAIRO_ALPHA]);
return MAKE_SALCOLOR(r, g, b);
}
@@ -1342,15 +1336,15 @@ void SvpSalGraphics::releaseCairoContext(cairo_t* cr,
bool bXorModeAllowed, cons
unsigned char *xor_data = xor_row + (nExtentsLeft * 4);
for (sal_Int32 x = nExtentsLeft; x < nExtentsRight; ++x)
{
- sal_uInt8 b = unpremultiply(true_data[0], true_data[3]) ^
- unpremultiply(xor_data[0], xor_data[3]);
- sal_uInt8 g = unpremultiply(true_data[1], true_data[3]) ^
- unpremultiply(xor_data[1], xor_data[3]);
- sal_uInt8 r = unpremultiply(true_data[2], true_data[3]) ^
- unpremultiply(xor_data[2], xor_data[3]);
- true_data[0] = premultiply(b, true_data[3]);
- true_data[1] = premultiply(g, true_data[3]);
- true_data[2] = premultiply(r, true_data[3]);
+ sal_uInt8 b = unpremultiply(true_data[SVP_CAIRO_BLUE],
true_data[SVP_CAIRO_ALPHA]) ^
+ unpremultiply(xor_data[SVP_CAIRO_BLUE],
xor_data[SVP_CAIRO_ALPHA]);
+ sal_uInt8 g = unpremultiply(true_data[SVP_CAIRO_GREEN],
true_data[SVP_CAIRO_ALPHA]) ^
+ unpremultiply(xor_data[SVP_CAIRO_GREEN],
xor_data[SVP_CAIRO_ALPHA]);
+ sal_uInt8 r = unpremultiply(true_data[SVP_CAIRO_RED],
true_data[SVP_CAIRO_ALPHA]) ^
+ unpremultiply(xor_data[SVP_CAIRO_RED],
xor_data[SVP_CAIRO_ALPHA]);
+ true_data[0] = premultiply(b, true_data[SVP_CAIRO_ALPHA]);
+ true_data[1] = premultiply(g, true_data[SVP_CAIRO_ALPHA]);
+ true_data[2] = premultiply(r, true_data[SVP_CAIRO_ALPHA]);
true_data+=4;
xor_data+=4;
}
diff --git a/vcl/inc/headless/svpgdi.hxx b/vcl/inc/headless/svpgdi.hxx
index 0d88195..d888001 100644
--- a/vcl/inc/headless/svpgdi.hxx
+++ b/vcl/inc/headless/svpgdi.hxx
@@ -39,10 +39,22 @@
//where we don't have GL_BGRA support.
#if defined ANDROID
# define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcRgba |
ScanlineFormat::TopDown)
+# define SVP_CAIRO_BLUE 1
+# define SVP_CAIRO_GREEN 2
+# define SVP_CAIRO_RED 0
+# define SVP_CAIRO_ALPHA 3
#elif defined OSL_BIGENDIAN
# define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcArgb |
ScanlineFormat::TopDown)
+# define SVP_CAIRO_BLUE 3
+# define SVP_CAIRO_GREEN 2
+# define SVP_CAIRO_RED 1
+# define SVP_CAIRO_ALPHA 0
#else
# define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcBgra |
ScanlineFormat::TopDown)
+# define SVP_CAIRO_BLUE 0
+# define SVP_CAIRO_GREEN 1
+# define SVP_CAIRO_RED 2
+# define SVP_CAIRO_ALPHA 3
#endif
struct BitmapBuffer;
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