35 #include "AnchorTables.h" |
35 #include "AnchorTables.h" |
36 #include "LESwaps.h" |
36 #include "LESwaps.h" |
37 |
37 |
38 U_NAMESPACE_BEGIN |
38 U_NAMESPACE_BEGIN |
39 |
39 |
40 void AnchorTable::getAnchor(LEGlyphID glyphID, const LEFontInstance *fontInstance, |
40 void AnchorTable::getAnchor(const LETableReference &base, LEGlyphID glyphID, const LEFontInstance *fontInstance, |
41 LEPoint &anchor) const |
41 LEPoint &anchor, LEErrorCode &success) const |
42 { |
42 { |
43 switch(SWAPW(anchorFormat)) { |
43 switch(SWAPW(anchorFormat)) { |
44 case 1: |
44 case 1: |
45 { |
45 { |
46 const Format1AnchorTable *f1 = (const Format1AnchorTable *) this; |
46 LEReferenceTo<Format1AnchorTable> f1(base, success); |
47 |
47 f1->getAnchor(f1, fontInstance, anchor, success); |
48 f1->getAnchor(fontInstance, anchor); |
|
49 break; |
48 break; |
50 } |
49 } |
51 |
50 |
52 case 2: |
51 case 2: |
53 { |
52 { |
54 const Format2AnchorTable *f2 = (const Format2AnchorTable *) this; |
53 LEReferenceTo<Format2AnchorTable> f2(base, success); |
55 |
54 f2->getAnchor(f2, glyphID, fontInstance, anchor, success); |
56 f2->getAnchor(glyphID, fontInstance, anchor); |
|
57 break; |
55 break; |
58 } |
56 } |
59 |
57 |
60 case 3: |
58 case 3: |
61 { |
59 { |
62 const Format3AnchorTable *f3 = (const Format3AnchorTable *) this; |
60 LEReferenceTo<Format3AnchorTable> f3(base, success); |
63 |
61 f3->getAnchor(f3, fontInstance, anchor, success); |
64 f3->getAnchor(fontInstance, anchor); |
|
65 break; |
62 break; |
66 } |
63 } |
67 |
64 |
68 default: |
65 default: |
|
66 { |
69 // unknown format: just use x, y coordinate, like format 1... |
67 // unknown format: just use x, y coordinate, like format 1... |
70 const Format1AnchorTable *f1 = (const Format1AnchorTable *) this; |
68 LEReferenceTo<Format1AnchorTable> f1(base, success); |
71 |
69 f1->getAnchor(f1, fontInstance, anchor, success); |
72 f1->getAnchor(fontInstance, anchor); |
|
73 break; |
70 break; |
74 } |
71 } |
|
72 } |
75 } |
73 } |
76 |
74 |
77 void Format1AnchorTable::getAnchor(const LEFontInstance *fontInstance, LEPoint &anchor) const |
75 void Format1AnchorTable::getAnchor(const LEReferenceTo<Format1AnchorTable>& base, const LEFontInstance *fontInstance, LEPoint &anchor, LEErrorCode &success) const |
78 { |
76 { |
79 le_int16 x = SWAPW(xCoordinate); |
77 le_int16 x = SWAPW(xCoordinate); |
80 le_int16 y = SWAPW(yCoordinate); |
78 le_int16 y = SWAPW(yCoordinate); |
81 LEPoint pixels; |
79 LEPoint pixels; |
82 |
80 |
83 fontInstance->transformFunits(x, y, pixels); |
81 fontInstance->transformFunits(x, y, pixels); |
84 |
|
85 fontInstance->pixelsToUnits(pixels, anchor); |
82 fontInstance->pixelsToUnits(pixels, anchor); |
86 } |
83 } |
87 |
84 |
88 void Format2AnchorTable::getAnchor(LEGlyphID glyphID, const LEFontInstance *fontInstance, LEPoint &anchor) const |
85 void Format2AnchorTable::getAnchor(const LEReferenceTo<Format2AnchorTable>& base, |
|
86 LEGlyphID glyphID, const LEFontInstance *fontInstance, LEPoint &anchor |
|
87 , LEErrorCode &success) const |
89 { |
88 { |
90 LEPoint point; |
89 LEPoint point; |
91 |
90 |
92 if (! fontInstance->getGlyphPoint(glyphID, SWAPW(anchorPoint), point)) { |
91 if (! fontInstance->getGlyphPoint(glyphID, SWAPW(anchorPoint), point)) { |
93 le_int16 x = SWAPW(xCoordinate); |
92 le_int16 x = SWAPW(xCoordinate); |
98 |
97 |
99 |
98 |
100 fontInstance->pixelsToUnits(point, anchor); |
99 fontInstance->pixelsToUnits(point, anchor); |
101 } |
100 } |
102 |
101 |
103 void Format3AnchorTable::getAnchor(const LEFontInstance *fontInstance, LEPoint &anchor) const |
102 void Format3AnchorTable::getAnchor(const LEReferenceTo<Format3AnchorTable> &base, const LEFontInstance *fontInstance, |
|
103 LEPoint &anchor, LEErrorCode &success) const |
104 { |
104 { |
105 le_int16 x = SWAPW(xCoordinate); |
105 le_int16 x = SWAPW(xCoordinate); |
106 le_int16 y = SWAPW(yCoordinate); |
106 le_int16 y = SWAPW(yCoordinate); |
107 LEPoint pixels; |
107 LEPoint pixels; |
108 Offset dtxOffset = SWAPW(xDeviceTableOffset); |
108 Offset dtxOffset = SWAPW(xDeviceTableOffset); |
109 Offset dtyOffset = SWAPW(yDeviceTableOffset); |
109 Offset dtyOffset = SWAPW(yDeviceTableOffset); |
110 |
110 |
111 fontInstance->transformFunits(x, y, pixels); |
111 fontInstance->transformFunits(x, y, pixels); |
112 |
112 |
113 if (dtxOffset != 0) { |
113 if (dtxOffset != 0) { |
114 const DeviceTable *dtx = (const DeviceTable *) ((char *) this + dtxOffset); |
114 LEReferenceTo<DeviceTable> dt(base, success, dtxOffset); |
115 le_int16 adjx = dtx->getAdjustment((le_int16) fontInstance->getXPixelsPerEm()); |
115 le_int16 adjx = dt->getAdjustment(dt, (le_int16) fontInstance->getXPixelsPerEm(), success); |
116 |
116 |
117 pixels.fX += adjx; |
117 pixels.fX += adjx; |
118 } |
118 } |
119 |
119 |
120 if (dtyOffset != 0) { |
120 if (dtyOffset != 0) { |
121 const DeviceTable *dty = (const DeviceTable *) ((char *) this + dtyOffset); |
121 LEReferenceTo<DeviceTable> dt(base, success, dtyOffset); |
122 le_int16 adjy = dty->getAdjustment((le_int16) fontInstance->getYPixelsPerEm()); |
122 le_int16 adjy = dt->getAdjustment(dt, (le_int16) fontInstance->getYPixelsPerEm(), success); |
123 |
123 |
124 pixels.fY += adjy; |
124 pixels.fY += adjy; |
125 } |
125 } |
126 |
126 |
127 fontInstance->pixelsToUnits(pixels, anchor); |
127 fontInstance->pixelsToUnits(pixels, anchor); |