1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/fontservices/textshaperplugin/IcuSource/layout/AnchorTables.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,105 @@
     1.4 +/*
     1.5 + *
     1.6 + * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
     1.7 + *
     1.8 + */
     1.9 +
    1.10 +#include "LETypes.h"
    1.11 +#include "LEFontInstance.h"
    1.12 +#include "DeviceTables.h"
    1.13 +#include "AnchorTables.h"
    1.14 +#include "LESwaps.h"
    1.15 +
    1.16 +U_NAMESPACE_BEGIN
    1.17 +
    1.18 +void AnchorTable::getAnchor(LEGlyphID glyphID, const LEFontInstance *fontInstance,
    1.19 +                            LEPoint &anchor) const
    1.20 +{
    1.21 +    switch(SWAPW(anchorFormat)) {
    1.22 +    case 1:
    1.23 +    {
    1.24 +        const Format1AnchorTable *f1 = (const Format1AnchorTable *) this;
    1.25 +
    1.26 +        f1->getAnchor(fontInstance, anchor);
    1.27 +        break;
    1.28 +    }
    1.29 +
    1.30 +    case 2:
    1.31 +    {
    1.32 +        const Format2AnchorTable *f2 = (const Format2AnchorTable *) this;
    1.33 +
    1.34 +        f2->getAnchor(glyphID, fontInstance, anchor);
    1.35 +        break;
    1.36 +    }
    1.37 +
    1.38 +    case 3:
    1.39 +    {
    1.40 +        const Format3AnchorTable *f3 = (const Format3AnchorTable *) this;
    1.41 +
    1.42 +        f3->getAnchor(fontInstance, anchor);
    1.43 +        break;
    1.44 +    }
    1.45 +
    1.46 +    default:
    1.47 +        // Unknown format, set the anchor point to (0, 0)
    1.48 +        anchor.fX = 0;
    1.49 +        anchor.fY = 0;
    1.50 +        break;
    1.51 +    }
    1.52 +}
    1.53 +
    1.54 +void Format1AnchorTable::getAnchor(const LEFontInstance *fontInstance, LEPoint &anchor) const
    1.55 +{
    1.56 +    le_int16 x = SWAPW(xCoordinate);
    1.57 +    le_int16 y = SWAPW(yCoordinate);
    1.58 +    LEPoint pixels;
    1.59 +
    1.60 +    fontInstance->transformFunits(x, y, pixels);
    1.61 +
    1.62 +    fontInstance->pixelsToUnits(pixels, anchor);
    1.63 +}
    1.64 +
    1.65 +void Format2AnchorTable::getAnchor(LEGlyphID glyphID, const LEFontInstance *fontInstance, LEPoint &anchor) const
    1.66 +{
    1.67 +    LEPoint point;
    1.68 +
    1.69 +    if (! fontInstance->getGlyphPoint(glyphID, SWAPW(anchorPoint), point)) {
    1.70 +        le_int16 x = SWAPW(xCoordinate);
    1.71 +        le_int16 y = SWAPW(yCoordinate);
    1.72 +
    1.73 +        fontInstance->transformFunits(x, y, point);
    1.74 +    }
    1.75 +
    1.76 +
    1.77 +    fontInstance->pixelsToUnits(point, anchor);
    1.78 +}
    1.79 +
    1.80 +void Format3AnchorTable::getAnchor(const LEFontInstance *fontInstance, LEPoint &anchor) const
    1.81 +{
    1.82 +    le_int16 x = SWAPW(xCoordinate);
    1.83 +    le_int16 y = SWAPW(yCoordinate);
    1.84 +    LEPoint pixels;
    1.85 +    Offset dtxOffset = SWAPW(xDeviceTableOffset);
    1.86 +    Offset dtyOffset = SWAPW(yDeviceTableOffset);
    1.87 +
    1.88 +    fontInstance->transformFunits(x, y, pixels);
    1.89 +
    1.90 +    if (dtxOffset != 0) {
    1.91 +        const DeviceTable *dtx = (const DeviceTable *) ((char *) this + dtxOffset);
    1.92 +        le_int16 adjx = dtx->getAdjustment((le_int16) fontInstance->getXPixelsPerEm());
    1.93 +
    1.94 +        pixels.fX += adjx;
    1.95 +    }
    1.96 +
    1.97 +    if (dtyOffset != 0) {
    1.98 +        const DeviceTable *dty = (const DeviceTable *) ((char *) this + dtyOffset);
    1.99 +        le_int16 adjy = dty->getAdjustment((le_int16) fontInstance->getYPixelsPerEm());
   1.100 +
   1.101 +        pixels.fY += adjy;
   1.102 +    }
   1.103 +
   1.104 +    fontInstance->pixelsToUnits(pixels, anchor);
   1.105 +}
   1.106 +
   1.107 +U_NAMESPACE_END
   1.108 +