diff options
Diffstat (limited to 'basebmp')
| -rw-r--r-- | basebmp/source/bitmapdevice.cxx | 87 |
1 files changed, 66 insertions, 21 deletions
diff --git a/basebmp/source/bitmapdevice.cxx b/basebmp/source/bitmapdevice.cxx index 24d9ef15af33..415c0d606d7b 100644 --- a/basebmp/source/bitmapdevice.cxx +++ b/basebmp/source/bitmapdevice.cxx @@ -91,6 +91,28 @@ operator^( RGBValue<Value, RedIndex, GreenIndex, BlueIndex> const& lhs, namespace basebmp { +static const sal_uInt8 bitsPerPixel[] = +{ + 0, // NONE + 1, // ONE_BIT_MSB_GREY + 1, // ONE_BIT_LSB_GREY + 1, // ONE_BIT_MSB_PAL + 1, // ONE_BIT_LSB_PAL + 4, // FOUR_BIT_MSB_GREY + 4, // FOUR_BIT_LSB_GREY + 4, // FOUR_BIT_MSB_PAL + 4, // FOUR_BIT_LSB_PAL + 8, // EIGHT_BIT_PAL + 8, // EIGHT_BIT_GREY + 16, // SIXTEEN_BIT_LSB_TC_MASK + 16, // SIXTEEN_BIT_MSB_TC_MASK + 24, // TWENTYFOUR_BIT_TC_MASK + 32, // THIRTYTWO_BIT_TC_MASK_BGRA + 32, // THIRTYTWO_BIT_TC_MASK_ARGB + 32, // THIRTYTWO_BIT_TC_MASK_ABGR + 32, // THIRTYTWO_BIT_TC_MASK_RGBA +}; + namespace { /** Create the type for an accessor that takes the (mask,bitmap) @@ -712,6 +734,45 @@ namespace damaged( rDstRect ); } + void implDrawBitmapDirect(const BitmapDeviceSharedPtr& rSrcBitmap, + const basegfx::B2IBox& rSrcRect, + const basegfx::B2IBox& rDstRect) + { + sal_Int32 nSrcX = rSrcRect.getMinX(); + sal_Int32 nSrcY = rSrcRect.getMinY(); + sal_Int32 nSrcWidth = rSrcRect.getMaxX() - nSrcX + 1; + sal_Int32 nSrcHeight = rSrcRect.getMaxY() - nSrcY + 1; + sal_Int32 nDestX = rDstRect.getMinX(); + sal_Int32 nDestY = rDstRect.getMinY(); + + char* dstBuf = (char*)getBuffer().get(); + char* srcBuf = (char*)rSrcBitmap->getBuffer().get(); + sal_Int32 dstStride = getScanlineStride(); + sal_Int32 srcStride = rSrcBitmap->getScanlineStride(); + int bytesPerPixel = (bitsPerPixel[getScanlineFormat()] + 7) >> 3; // round up to bytes + + if (dstBuf == srcBuf && nSrcY < nDestY) // reverse copy order to avoid overlapping + { + dstBuf += dstStride * (getBufferSize().getY() - 1); + srcBuf += srcStride * (getBufferSize().getY() - 1); + nSrcY = getBufferSize().getY() - nSrcY - nSrcHeight; + nDestY = getBufferSize().getY() - nDestY - nSrcHeight; + dstStride = -dstStride; + srcStride = -srcStride; + } + + char* dstline = dstBuf + dstStride * nDestY + nDestX * bytesPerPixel; + char* srcline = srcBuf + srcStride * nSrcY + nSrcX * bytesPerPixel; + int lineBytes = nSrcWidth * bytesPerPixel; + + for(; 0 < nSrcHeight; nSrcHeight--) + { + memmove(dstline, srcline, lineBytes); + dstline += dstStride; + srcline += srcStride; + } + } + virtual void drawBitmap_i(const BitmapDeviceSharedPtr& rSrcBitmap, const basegfx::B2IBox& rSrcRect, const basegfx::B2IBox& rDstRect, @@ -723,6 +784,10 @@ namespace implDrawBitmap(rSrcBitmap, rSrcRect, rDstRect, maBegin, maRawXorAccessor); + else if (bitsPerPixel[getScanlineFormat()] >= 8 + && rSrcRect.getWidth() == rDstRect.getWidth() && rSrcRect.getHeight() == rDstRect.getHeight() + && rSrcBitmap->getScanlineFormat() == getScanlineFormat()) + implDrawBitmapDirect(rSrcBitmap, rSrcRect, rDstRect); else implDrawBitmap(rSrcBitmap, rSrcRect, rDstRect, maBegin, @@ -1867,27 +1932,7 @@ BitmapDeviceSharedPtr createBitmapDeviceImplInner( const basegfx::B2IVector& nScanlineFormat > FORMAT_MAX ) return BitmapDeviceSharedPtr(); - static const sal_uInt8 bitsPerPixel[] = - { - 0, // NONE - 1, // ONE_BIT_MSB_GREY - 1, // ONE_BIT_LSB_GREY - 1, // ONE_BIT_MSB_PAL - 1, // ONE_BIT_LSB_PAL - 4, // FOUR_BIT_MSB_GREY - 4, // FOUR_BIT_LSB_GREY - 4, // FOUR_BIT_MSB_PAL - 4, // FOUR_BIT_LSB_PAL - 8, // EIGHT_BIT_PAL - 8, // EIGHT_BIT_GREY - 16, // SIXTEEN_BIT_LSB_TC_MASK - 16, // SIXTEEN_BIT_MSB_TC_MASK - 24, // TWENTYFOUR_BIT_TC_MASK - 32, // THIRTYTWO_BIT_TC_MASK_BGRA - 32, // THIRTYTWO_BIT_TC_MASK_ARGB - 32, // THIRTYTWO_BIT_TC_MASK_ABGR - 32, // THIRTYTWO_BIT_TC_MASK_RGBA - }; + sal_Int32 nScanlineStride(0); |