@ -8,6 +8,8 @@
# include <math.h>
# include <string.h>
# include <stdlib.h>
# include <vector>
# include <algorithm>
# include "Canvas.h"
# include "Point.h"
# include "Image.h"
@ -20,6 +22,12 @@
# include "FontFace.h"
# endif
// Windows doesn't support the C99 names for these
# ifndef isnan
# define isnan(x) _isnan(x)
# define isinf(x) (!_finite(x))
# endif
Persistent < FunctionTemplate > Context2d : : constructor ;
/*
@ -81,10 +89,10 @@ Context2d::Initialize(Handle<Object> target) {
NanScope ( ) ;
// Constructor
Local < FunctionTemplate > ctor = FunctionTemplate : : New ( Context2d : : New ) ;
NanAssignPersistent ( FunctionTemplate , constructor , ctor ) ;
Local < FunctionTemplate > ctor = NanNew < FunctionTemplate > ( Context2d : : New ) ;
NanAssignPersistent ( constructor , ctor ) ;
ctor - > InstanceTemplate ( ) - > SetInternalFieldCount ( 1 ) ;
ctor - > SetClassName ( NanSymbol ( " CanvasRenderingContext2d " ) ) ;
ctor - > SetClassName ( NanNew ( " CanvasRenderingContext2d " ) ) ;
// Prototype
Local < ObjectTemplate > proto = ctor - > PrototypeTemplate ( ) ;
@ -117,6 +125,8 @@ Context2d::Initialize(Handle<Object> target) {
NODE_SET_PROTOTYPE_METHOD ( ctor , " closePath " , ClosePath ) ;
NODE_SET_PROTOTYPE_METHOD ( ctor , " arc " , Arc ) ;
NODE_SET_PROTOTYPE_METHOD ( ctor , " arcTo " , ArcTo ) ;
NODE_SET_PROTOTYPE_METHOD ( ctor , " setLineDash " , SetLineDash ) ;
NODE_SET_PROTOTYPE_METHOD ( ctor , " getLineDash " , GetLineDash ) ;
NODE_SET_PROTOTYPE_METHOD ( ctor , " _setFont " , SetFont ) ;
# ifdef HAVE_FREETYPE
NODE_SET_PROTOTYPE_METHOD ( ctor , " _setFontFace " , SetFontFace ) ;
@ -127,23 +137,24 @@ Context2d::Initialize(Handle<Object> target) {
NODE_SET_PROTOTYPE_METHOD ( ctor , " _setStrokePattern " , SetStrokePattern ) ;
NODE_SET_PROTOTYPE_METHOD ( ctor , " _setTextBaseline " , SetTextBaseline ) ;
NODE_SET_PROTOTYPE_METHOD ( ctor , " _setTextAlignment " , SetTextAlignment ) ;
proto - > SetAccessor ( NanSymbol ( " patternQuality " ) , GetPatternQuality , SetPatternQuality ) ;
proto - > SetAccessor ( NanSymbol ( " globalCompositeOperation " ) , GetGlobalCompositeOperation , SetGlobalCompositeOperation ) ;
proto - > SetAccessor ( NanSymbol ( " globalAlpha " ) , GetGlobalAlpha , SetGlobalAlpha ) ;
proto - > SetAccessor ( NanSymbol ( " shadowColor " ) , GetShadowColor , SetShadowColor ) ;
proto - > SetAccessor ( NanSymbol ( " fillColor " ) , GetFillColor ) ;
proto - > SetAccessor ( NanSymbol ( " strokeColor " ) , GetStrokeColor ) ;
proto - > SetAccessor ( NanSymbol ( " miterLimit " ) , GetMiterLimit , SetMiterLimit ) ;
proto - > SetAccessor ( NanSymbol ( " lineWidth " ) , GetLineWidth , SetLineWidth ) ;
proto - > SetAccessor ( NanSymbol ( " lineCap " ) , GetLineCap , SetLineCap ) ;
proto - > SetAccessor ( NanSymbol ( " lineJoin " ) , GetLineJoin , SetLineJoin ) ;
proto - > SetAccessor ( NanSymbol ( " shadowOffsetX " ) , GetShadowOffsetX , SetShadowOffsetX ) ;
proto - > SetAccessor ( NanSymbol ( " shadowOffsetY " ) , GetShadowOffsetY , SetShadowOffsetY ) ;
proto - > SetAccessor ( NanSymbol ( " shadowBlur " ) , GetShadowBlur , SetShadowBlur ) ;
proto - > SetAccessor ( NanSymbol ( " antialias " ) , GetAntiAlias , SetAntiAlias ) ;
proto - > SetAccessor ( NanSymbol ( " textDrawingMode " ) , GetTextDrawingMode , SetTextDrawingMode ) ;
proto - > SetAccessor ( NanSymbol ( " filter " ) , GetFilter , SetFilter ) ;
target - > Set ( NanSymbol ( " CanvasRenderingContext2d " ) , ctor - > GetFunction ( ) ) ;
proto - > SetAccessor ( NanNew ( " patternQuality " ) , GetPatternQuality , SetPatternQuality ) ;
proto - > SetAccessor ( NanNew ( " globalCompositeOperation " ) , GetGlobalCompositeOperation , SetGlobalCompositeOperation ) ;
proto - > SetAccessor ( NanNew ( " globalAlpha " ) , GetGlobalAlpha , SetGlobalAlpha ) ;
proto - > SetAccessor ( NanNew ( " shadowColor " ) , GetShadowColor , SetShadowColor ) ;
proto - > SetAccessor ( NanNew ( " fillColor " ) , GetFillColor ) ;
proto - > SetAccessor ( NanNew ( " strokeColor " ) , GetStrokeColor ) ;
proto - > SetAccessor ( NanNew ( " miterLimit " ) , GetMiterLimit , SetMiterLimit ) ;
proto - > SetAccessor ( NanNew ( " lineWidth " ) , GetLineWidth , SetLineWidth ) ;
proto - > SetAccessor ( NanNew ( " lineCap " ) , GetLineCap , SetLineCap ) ;
proto - > SetAccessor ( NanNew ( " lineJoin " ) , GetLineJoin , SetLineJoin ) ;
proto - > SetAccessor ( NanNew ( " lineDashOffset " ) , GetLineDashOffset , SetLineDashOffset ) ;
proto - > SetAccessor ( NanNew ( " shadowOffsetX " ) , GetShadowOffsetX , SetShadowOffsetX ) ;
proto - > SetAccessor ( NanNew ( " shadowOffsetY " ) , GetShadowOffsetY , SetShadowOffsetY ) ;
proto - > SetAccessor ( NanNew ( " shadowBlur " ) , GetShadowBlur , SetShadowBlur ) ;
proto - > SetAccessor ( NanNew ( " antialias " ) , GetAntiAlias , SetAntiAlias ) ;
proto - > SetAccessor ( NanNew ( " textDrawingMode " ) , GetTextDrawingMode , SetTextDrawingMode ) ;
proto - > SetAccessor ( NanNew ( " filter " ) , GetFilter , SetFilter ) ;
target - > Set ( NanNew ( " CanvasRenderingContext2d " ) , ctor - > GetFunction ( ) ) ;
}
/*
@ -523,8 +534,8 @@ NAN_METHOD(Context2d::PutImageData) {
switch ( args . Length ( ) ) {
// imageData, dx, dy
case 3 :
cols = arr - > width ( ) ;
rows = arr - > height ( ) ;
cols = std : : min ( arr - > width ( ) , context - > canvas ( ) - > width - dx ) ;
rows = std : : min ( arr - > height ( ) , context - > canvas ( ) - > height - dy ) ;
break ;
// imageData, dx, dy, sx, sy, sw, sh
case 7 :
@ -536,16 +547,17 @@ NAN_METHOD(Context2d::PutImageData) {
if ( sy < 0 ) sh + = sy , sy = 0 ;
if ( sx + sw > arr - > width ( ) ) sw = arr - > width ( ) - sx ;
if ( sy + sh > arr - > height ( ) ) sh = arr - > height ( ) - sy ;
if ( sw < = 0 | | sh < = 0 ) NanReturnUndefined ( ) ;
cols = sw ;
rows = sh ;
dx + = sx ;
dy + = sy ;
cols = std : : min ( sw , context - > canvas ( ) - > width - dx ) ;
rows = std : : min ( sh , context - > canvas ( ) - > height - dy ) ;
break ;
default :
return NanThrowError ( " invalid arguments " ) ;
}
if ( cols < = 0 | | rows < = 0 ) NanReturnUndefined ( ) ;
uint8_t * srcRows = src + sy * srcStride + sx * 4 ;
for ( int y = 0 ; y < rows ; + + y ) {
uint32_t * row = ( uint32_t * ) ( dst + dstStride * ( y + dy ) ) ;
@ -694,7 +706,7 @@ NAN_METHOD(Context2d::DrawImage) {
NAN_GETTER ( Context2d : : GetGlobalAlpha ) {
NanScope ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
NanReturnValue ( Number : : New ( context - > state - > globalAlpha ) ) ;
NanReturnValue ( NanNew < Number > ( context - > state - > globalAlpha ) ) ;
}
/*
@ -728,7 +740,6 @@ NAN_GETTER(Context2d::GetGlobalCompositeOperation) {
case CAIRO_OPERATOR_DEST_IN : op = " destination-in " ; break ;
case CAIRO_OPERATOR_DEST_OUT : op = " destination-out " ; break ;
case CAIRO_OPERATOR_DEST_OVER : op = " destination-over " ; break ;
case CAIRO_OPERATOR_ADD : op = " lighter " ; break ;
case CAIRO_OPERATOR_CLEAR : op = " clear " ; break ;
case CAIRO_OPERATOR_SOURCE : op = " source " ; break ;
case CAIRO_OPERATOR_DEST : op = " dest " ; break ;
@ -738,6 +749,7 @@ NAN_GETTER(Context2d::GetGlobalCompositeOperation) {
// supported by resent versions of cairo
# if CAIRO_VERSION_MINOR >= 10
case CAIRO_OPERATOR_LIGHTEN : op = " lighten " ; break ;
case CAIRO_OPERATOR_ADD : op = " add " ; break ;
case CAIRO_OPERATOR_DARKEN : op = " darker " ; break ;
case CAIRO_OPERATOR_MULTIPLY : op = " multiply " ; break ;
case CAIRO_OPERATOR_SCREEN : op = " screen " ; break ;
@ -752,10 +764,12 @@ NAN_GETTER(Context2d::GetGlobalCompositeOperation) {
case CAIRO_OPERATOR_COLOR_BURN : op = " color-burn " ; break ;
case CAIRO_OPERATOR_DIFFERENCE : op = " difference " ; break ;
case CAIRO_OPERATOR_EXCLUSION : op = " exclusion " ; break ;
# else
case CAIRO_OPERATOR_ADD : op = " lighter " ; break ;
# endif
}
NanReturnValue ( NanSymbol ( op ) ) ;
NanReturnValue ( NanNew ( op ) ) ;
}
/*
@ -764,7 +778,7 @@ NAN_GETTER(Context2d::GetGlobalCompositeOperation) {
NAN_SETTER ( Context2d : : SetPatternQuality ) {
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
String : : Ascii Valuequality ( value - > ToString ( ) ) ;
String : : Utf8 Valuequality ( value - > ToString ( ) ) ;
if ( 0 = = strcmp ( " fast " , * quality ) ) {
context - > state - > patternQuality = CAIRO_FILTER_FAST ;
} else if ( 0 = = strcmp ( " good " , * quality ) ) {
@ -793,7 +807,7 @@ NAN_GETTER(Context2d::GetPatternQuality) {
case CAIRO_FILTER_BILINEAR : quality = " bilinear " ; break ;
default : quality = " good " ;
}
NanReturnValue ( NanSymbol ( quality ) ) ;
NanReturnValue ( NanNew ( quality ) ) ;
}
/*
@ -803,7 +817,7 @@ NAN_GETTER(Context2d::GetPatternQuality) {
NAN_SETTER ( Context2d : : SetGlobalCompositeOperation ) {
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
cairo_t * ctx = context - > context ( ) ;
String : : Ascii Valuetype ( value - > ToString ( ) ) ;
String : : Utf8 Valuetype ( value - > ToString ( ) ) ;
if ( 0 = = strcmp ( " xor " , * type ) ) {
cairo_set_operator ( ctx , CAIRO_OPERATOR_XOR ) ;
} else if ( 0 = = strcmp ( " source-atop " , * type ) ) {
@ -833,6 +847,8 @@ NAN_SETTER(Context2d::SetGlobalCompositeOperation) {
// Non-standard
// supported by resent versions of cairo
# if CAIRO_VERSION_MINOR >= 10
} else if ( 0 = = strcmp ( " add " , * type ) ) {
cairo_set_operator ( ctx , CAIRO_OPERATOR_ADD ) ;
} else if ( 0 = = strcmp ( " lighten " , * type ) ) {
cairo_set_operator ( ctx , CAIRO_OPERATOR_LIGHTEN ) ;
} else if ( 0 = = strcmp ( " darker " , * type ) ) {
@ -878,7 +894,7 @@ NAN_SETTER(Context2d::SetGlobalCompositeOperation) {
NAN_GETTER ( Context2d : : GetShadowOffsetX ) {
NanScope ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
NanReturnValue ( Number : : New ( context - > state - > shadowOffsetX ) ) ;
NanReturnValue ( NanNew < Number > ( context - > state - > shadowOffsetX ) ) ;
}
/*
@ -897,7 +913,7 @@ NAN_SETTER(Context2d::SetShadowOffsetX) {
NAN_GETTER ( Context2d : : GetShadowOffsetY ) {
NanScope ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
NanReturnValue ( Number : : New ( context - > state - > shadowOffsetY ) ) ;
NanReturnValue ( NanNew < Number > ( context - > state - > shadowOffsetY ) ) ;
}
/*
@ -916,7 +932,7 @@ NAN_SETTER(Context2d::SetShadowOffsetY) {
NAN_GETTER ( Context2d : : GetShadowBlur ) {
NanScope ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
NanReturnValue ( Number : : New ( context - > state - > shadowBlur ) ) ;
NanReturnValue ( NanNew < Number > ( context - > state - > shadowBlur ) ) ;
}
/*
@ -945,7 +961,7 @@ NAN_GETTER(Context2d::GetAntiAlias) {
case CAIRO_ANTIALIAS_SUBPIXEL : aa = " subpixel " ; break ;
default : aa = " default " ;
}
NanReturnValue ( NanSymbol ( aa ) ) ;
NanReturnValue ( NanNew ( aa ) ) ;
}
/*
@ -953,7 +969,7 @@ NAN_GETTER(Context2d::GetAntiAlias) {
*/
NAN_SETTER ( Context2d : : SetAntiAlias ) {
String : : Ascii Valuestr ( value - > ToString ( ) ) ;
String : : Utf8 Valuestr ( value - > ToString ( ) ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
cairo_t * ctx = context - > context ( ) ;
cairo_antialias_t a ;
@ -986,7 +1002,7 @@ NAN_GETTER(Context2d::GetTextDrawingMode) {
} else {
mode = " unknown " ;
}
NanReturnValue ( NanSymbol ( mode ) ) ;
NanReturnValue ( NanNew ( mode ) ) ;
}
/*
@ -994,7 +1010,7 @@ NAN_GETTER(Context2d::GetTextDrawingMode) {
*/
NAN_SETTER ( Context2d : : SetTextDrawingMode ) {
String : : Ascii Valuestr ( value - > ToString ( ) ) ;
String : : Utf8 Valuestr ( value - > ToString ( ) ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
if ( 0 = = strcmp ( " path " , * str ) ) {
context - > state - > textDrawingMode = TEXT_DRAW_PATHS ;
@ -1018,7 +1034,7 @@ NAN_GETTER(Context2d::GetFilter) {
case CAIRO_FILTER_BILINEAR : filter = " bilinear " ; break ;
default : filter = " good " ;
}
NanReturnValue ( NanSymbol ( filter ) ) ;
NanReturnValue ( NanNew ( filter ) ) ;
}
/*
@ -1026,7 +1042,7 @@ NAN_GETTER(Context2d::GetFilter) {
*/
NAN_SETTER ( Context2d : : SetFilter ) {
String : : Ascii Valuestr ( value - > ToString ( ) ) ;
String : : Utf8 Valuestr ( value - > ToString ( ) ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
cairo_filter_t filter ;
if ( 0 = = strcmp ( " fast " , * str ) ) {
@ -1050,7 +1066,7 @@ NAN_SETTER(Context2d::SetFilter) {
NAN_GETTER ( Context2d : : GetMiterLimit ) {
NanScope ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
NanReturnValue ( Number : : New ( cairo_get_miter_limit ( context - > context ( ) ) ) ) ;
NanReturnValue ( NanNew < Number > ( cairo_get_miter_limit ( context - > context ( ) ) ) ) ;
}
/*
@ -1072,7 +1088,7 @@ NAN_SETTER(Context2d::SetMiterLimit) {
NAN_GETTER ( Context2d : : GetLineWidth ) {
NanScope ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
NanReturnValue ( Number : : New ( cairo_get_line_width ( context - > context ( ) ) ) ) ;
NanReturnValue ( NanNew < Number > ( cairo_get_line_width ( context - > context ( ) ) ) ) ;
}
/*
@ -1100,7 +1116,7 @@ NAN_GETTER(Context2d::GetLineJoin) {
case CAIRO_LINE_JOIN_ROUND : join = " round " ; break ;
default : join = " miter " ;
}
NanReturnValue ( NanSymbol ( join ) ) ;
NanReturnValue ( NanNew ( join ) ) ;
}
/*
@ -1110,7 +1126,7 @@ NAN_GETTER(Context2d::GetLineJoin) {
NAN_SETTER ( Context2d : : SetLineJoin ) {
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
cairo_t * ctx = context - > context ( ) ;
String : : Ascii Valuetype ( value - > ToString ( ) ) ;
String : : Utf8 Valuetype ( value - > ToString ( ) ) ;
if ( 0 = = strcmp ( " round " , * type ) ) {
cairo_set_line_join ( ctx , CAIRO_LINE_JOIN_ROUND ) ;
} else if ( 0 = = strcmp ( " bevel " , * type ) ) {
@ -1133,7 +1149,7 @@ NAN_GETTER(Context2d::GetLineCap) {
case CAIRO_LINE_CAP_SQUARE : cap = " square " ; break ;
default : cap = " butt " ;
}
NanReturnValue ( NanSymbol ( cap ) ) ;
NanReturnValue ( NanNew ( cap ) ) ;
}
/*
@ -1143,7 +1159,7 @@ NAN_GETTER(Context2d::GetLineCap) {
NAN_SETTER ( Context2d : : SetLineCap ) {
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
cairo_t * ctx = context - > context ( ) ;
String : : Ascii Valuetype ( value - > ToString ( ) ) ;
String : : Utf8 Valuetype ( value - > ToString ( ) ) ;
if ( 0 = = strcmp ( " round " , * type ) ) {
cairo_set_line_cap ( ctx , CAIRO_LINE_CAP_ROUND ) ;
} else if ( 0 = = strcmp ( " square " , * type ) ) {
@ -1164,9 +1180,9 @@ NAN_METHOD(Context2d::IsPointInPath) {
cairo_t * ctx = context - > context ( ) ;
double x = args [ 0 ] - > NumberValue ( )
, y = args [ 1 ] - > NumberValue ( ) ;
NanReturnValue ( Boolean : : New ( cairo_in_fill ( ctx , x , y ) | | cairo_in_stroke ( ctx , x , y ) ) ) ;
NanReturnValue ( NanNew < Boolean > ( cairo_in_fill ( ctx , x , y ) | | cairo_in_stroke ( ctx , x , y ) ) ) ;
}
NanReturnValue ( False ( ) ) ;
NanReturnValue ( Nan False( ) ) ;
}
/*
@ -1220,7 +1236,7 @@ NAN_METHOD(Context2d::SetStrokePattern) {
NAN_SETTER ( Context2d : : SetShadowColor ) {
short ok ;
String : : Ascii Valuestr ( value - > ToString ( ) ) ;
String : : Utf8 Valuestr ( value - > ToString ( ) ) ;
uint32_t rgba = rgba_from_string ( * str , & ok ) ;
if ( ok ) {
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
@ -1237,7 +1253,7 @@ NAN_GETTER(Context2d::GetShadowColor) {
char buf [ 64 ] ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
rgba_to_string ( context - > state - > shadow , buf , sizeof ( buf ) ) ;
NanReturnValue ( String : : New ( buf ) ) ;
NanReturnValue ( NanNew < String > ( buf ) ) ;
}
/*
@ -1248,7 +1264,7 @@ NAN_METHOD(Context2d::SetFillColor) {
NanScope ( ) ;
short ok ;
if ( ! args [ 0 ] - > IsString ( ) ) NanReturnUndefined ( ) ;
String : : Ascii Valuestr ( args [ 0 ] ) ;
String : : Utf8 Valuestr ( args [ 0 ] ) ;
uint32_t rgba = rgba_from_string ( * str , & ok ) ;
if ( ! ok ) NanReturnUndefined ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
@ -1266,7 +1282,7 @@ NAN_GETTER(Context2d::GetFillColor) {
char buf [ 64 ] ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
rgba_to_string ( context - > state - > fill , buf , sizeof ( buf ) ) ;
NanReturnValue ( String : : New ( buf ) ) ;
NanReturnValue ( NanNew < String > ( buf ) ) ;
}
/*
@ -1277,7 +1293,7 @@ NAN_METHOD(Context2d::SetStrokeColor) {
NanScope ( ) ;
short ok ;
if ( ! args [ 0 ] - > IsString ( ) ) NanReturnUndefined ( ) ;
String : : Ascii Valuestr ( args [ 0 ] ) ;
String : : Utf8 Valuestr ( args [ 0 ] ) ;
uint32_t rgba = rgba_from_string ( * str , & ok ) ;
if ( ! ok ) NanReturnUndefined ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
@ -1295,7 +1311,7 @@ NAN_GETTER(Context2d::GetStrokeColor) {
char buf [ 64 ] ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
rgba_to_string ( context - > state - > stroke , buf , sizeof ( buf ) ) ;
NanReturnValue ( String : : New ( buf ) ) ;
NanReturnValue ( NanNew < String > ( buf ) ) ;
}
/*
@ -1763,11 +1779,11 @@ NAN_METHOD(Context2d::SetFont) {
| | ! args [ 3 ] - > IsString ( )
| | ! args [ 4 ] - > IsString ( ) ) NanReturnUndefined ( ) ;
String : : Ascii Valueweight ( args [ 0 ] ) ;
String : : Ascii Valuestyle ( args [ 1 ] ) ;
String : : Utf8 Valueweight ( args [ 0 ] ) ;
String : : Utf8 Valuestyle ( args [ 1 ] ) ;
double size = args [ 2 ] - > NumberValue ( ) ;
String : : Ascii Valueunit ( args [ 3 ] ) ;
String : : Ascii Valuefamily ( args [ 4 ] ) ;
String : : Utf8 Valueunit ( args [ 3 ] ) ;
String : : Utf8 Valuefamily ( args [ 4 ] ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
@ -1876,7 +1892,7 @@ NAN_METHOD(Context2d::MeasureText) {
cairo_t * ctx = context - > context ( ) ;
String : : Utf8Value str ( args [ 0 ] - > ToString ( ) ) ;
Local < Object > obj = Object : : New ( ) ;
Local < Object > obj = NanNew < Object > ( ) ;
# if HAVE_PANGO
@ -1917,21 +1933,21 @@ NAN_METHOD(Context2d::MeasureText) {
y_offset = 0.0 ;
}
obj - > Set ( String : : New ( " width " ) , Number : : New ( logical_rect . width ) ) ;
obj - > Set ( String : : New ( " actualBoundingBoxLeft " ) ,
Number : : New ( x_offset - PANGO_LBEARING ( logical_rect ) ) ) ;
obj - > Set ( String : : New ( " actualBoundingBoxRight " ) ,
Number : : New ( x_offset + PANGO_RBEARING ( logical_rect ) ) ) ;
obj - > Set ( String : : New ( " actualBoundingBoxAscent " ) ,
Number : : New ( - ( y_offset + ink_rect . y ) ) ) ;
obj - > Set ( String : : New ( " actualBoundingBoxDescent " ) ,
Number : : New ( ( PANGO_DESCENT ( ink_rect ) + y_offset ) ) ) ;
obj - > Set ( String : : New ( " emHeightAscent " ) ,
Number : : New ( PANGO_ASCENT ( logical_rect ) - y_offset ) ) ;
obj - > Set ( String : : New ( " emHeightDescent " ) ,
Number : : New ( PANGO_DESCENT ( logical_rect ) + y_offset ) ) ;
obj - > Set ( String : : New ( " alphabeticBaseline " ) ,
Number : : New ( ( pango_font_metrics_get_ascent ( metrics ) / PANGO_SCALE )
obj - > Set ( NanNew < String > ( " width " ) , NanNew < Number > ( logical_rect . width ) ) ;
obj - > Set ( NanNew < String > ( " actualBoundingBoxLeft " ) ,
NanNew < Number > ( x_offset - PANGO_LBEARING ( logical_rect ) ) ) ;
obj - > Set ( NanNew < String > ( " actualBoundingBoxRight " ) ,
NanNew < Number > ( x_offset + PANGO_RBEARING ( logical_rect ) ) ) ;
obj - > Set ( NanNew < String > ( " actualBoundingBoxAscent " ) ,
NanNew < Number > ( - ( y_offset + ink_rect . y ) ) ) ;
obj - > Set ( NanNew < String > ( " actualBoundingBoxDescent " ) ,
NanNew < Number > ( ( PANGO_DESCENT ( ink_rect ) + y_offset ) ) ) ;
obj - > Set ( NanNew < String > ( " emHeightAscent " ) ,
NanNew < Number > ( PANGO_ASCENT ( logical_rect ) - y_offset ) ) ;
obj - > Set ( NanNew < String > ( " emHeightDescent " ) ,
NanNew < Number > ( PANGO_DESCENT ( logical_rect ) + y_offset ) ) ;
obj - > Set ( NanNew < String > ( " alphabeticBaseline " ) ,
NanNew < Number > ( ( pango_font_metrics_get_ascent ( metrics ) / PANGO_SCALE )
+ y_offset ) ) ;
pango_font_metrics_unref ( metrics ) ;
@ -1972,18 +1988,18 @@ NAN_METHOD(Context2d::MeasureText) {
y_offset = 0.0 ;
}
obj - > Set ( String : : New ( " width " ) , Number : : New ( te . x_advance ) ) ;
obj - > Set ( String : : New ( " actualBoundingBoxLeft " ) ,
Number : : New ( x_offset - te . x_bearing ) ) ;
obj - > Set ( String : : New ( " actualBoundingBoxRight " ) ,
Number : : New ( ( te . x_bearing + te . width ) - x_offset ) ) ;
obj - > Set ( String : : New ( " actualBoundingBoxAscent " ) ,
Number : : New ( - ( te . y_bearing + y_offset ) ) ) ;
obj - > Set ( String : : New ( " actualBoundingBoxDescent " ) ,
Number : : New ( te . height + te . y_bearing + y_offset ) ) ;
obj - > Set ( String : : New ( " emHeightAscent " ) , Number : : New ( fe . ascent - y_offset ) ) ;
obj - > Set ( String : : New ( " emHeightDescent " ) , Number : : New ( fe . descent + y_offset ) ) ;
obj - > Set ( String : : New ( " alphabeticBaseline " ) , Number : : New ( y_offset ) ) ;
obj - > Set ( NanNew < String > ( " width " ) , NanNew < Number > ( te . x_advance ) ) ;
obj - > Set ( NanNew < String > ( " actualBoundingBoxLeft " ) ,
NanNew < Number > ( x_offset - te . x_bearing ) ) ;
obj - > Set ( NanNew < String > ( " actualBoundingBoxRight " ) ,
NanNew < Number > ( ( te . x_bearing + te . width ) - x_offset ) ) ;
obj - > Set ( NanNew < String > ( " actualBoundingBoxAscent " ) ,
NanNew < Number > ( - ( te . y_bearing + y_offset ) ) ) ;
obj - > Set ( NanNew < String > ( " actualBoundingBoxDescent " ) ,
NanNew < Number > ( te . height + te . y_bearing + y_offset ) ) ;
obj - > Set ( NanNew < String > ( " emHeightAscent " ) , NanNew < Number > ( fe . ascent - y_offset ) ) ;
obj - > Set ( NanNew < String > ( " emHeightDescent " ) , NanNew < Number > ( fe . descent + y_offset ) ) ;
obj - > Set ( NanNew < String > ( " alphabeticBaseline " ) , NanNew < Number > ( y_offset ) ) ;
# endif
@ -2018,6 +2034,87 @@ NAN_METHOD(Context2d::SetTextAlignment) {
NanReturnUndefined ( ) ;
}
/*
* Set line dash
* ref : http : //www.w3.org/TR/2dcontext/#dom-context-2d-setlinedash
*/
NAN_METHOD ( Context2d : : SetLineDash ) {
NanScope ( ) ;
if ( ! args [ 0 ] - > IsArray ( ) ) NanReturnUndefined ( ) ;
Handle < Array > dash = Handle < Array > : : Cast ( args [ 0 ] ) ;
uint32_t dashes = dash - > Length ( ) & 1 ? dash - > Length ( ) * 2 : dash - > Length ( ) ;
std : : vector < double > a ( dashes ) ;
for ( uint32_t i = 0 ; i < dashes ; i + + ) {
Local < Value > d = dash - > Get ( i % dash - > Length ( ) ) ;
if ( ! d - > IsNumber ( ) ) NanReturnUndefined ( ) ;
a [ i ] = d - > NumberValue ( ) ;
if ( a [ i ] < 0 | | isnan ( a [ i ] ) | | isinf ( a [ i ] ) ) NanReturnUndefined ( ) ;
}
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
cairo_t * ctx = context - > context ( ) ;
double offset ;
cairo_get_dash ( ctx , NULL , & offset ) ;
cairo_set_dash ( ctx , a . data ( ) , dashes , offset ) ;
NanReturnUndefined ( ) ;
}
/*
* Get line dash
* ref : http : //www.w3.org/TR/2dcontext/#dom-context-2d-setlinedash
*/
NAN_METHOD ( Context2d : : GetLineDash ) {
NanScope ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
cairo_t * ctx = context - > context ( ) ;
int dashes = cairo_get_dash_count ( ctx ) ;
std : : vector < double > a ( dashes ) ;
cairo_get_dash ( ctx , a . data ( ) , NULL ) ;
Local < Array > dash = NanNew < Array > ( dashes ) ;
for ( int i = 0 ; i < dashes ; i + + )
dash - > Set ( NanNew < Number > ( i ) , NanNew < Number > ( a [ i ] ) ) ;
NanReturnValue ( dash ) ;
}
/*
* Set line dash offset
* ref : http : //www.w3.org/TR/2dcontext/#dom-context-2d-setlinedash
*/
NAN_SETTER ( Context2d : : SetLineDashOffset ) {
NanScope ( ) ;
double offset = value - > NumberValue ( ) ;
if ( isnan ( offset ) | | isinf ( offset ) ) return ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
cairo_t * ctx = context - > context ( ) ;
int dashes = cairo_get_dash_count ( ctx ) ;
std : : vector < double > a ( dashes ) ;
cairo_get_dash ( ctx , a . data ( ) , NULL ) ;
cairo_set_dash ( ctx , a . data ( ) , dashes , offset ) ;
}
/*
* Get line dash offset
* ref : http : //www.w3.org/TR/2dcontext/#dom-context-2d-setlinedash
*/
NAN_GETTER ( Context2d : : GetLineDashOffset ) {
NanScope ( ) ;
Context2d * context = ObjectWrap : : Unwrap < Context2d > ( args . This ( ) ) ;
cairo_t * ctx = context - > context ( ) ;
double offset ;
cairo_get_dash ( ctx , NULL , & offset ) ;
NanReturnValue ( NanNew < Number > ( offset ) ) ;
}
/*
* Fill the rectangle defined by x , y , width and height .
*/
nulltask
11 years ago