Python rl_accel.fp_str函数代码示例

    def _issueT1String(self,fontObj,x,y,s):
        fc = fontObj
        code_append = self.code_append
        fontSize = self._fontSize
        fontsUsed = self._fontsUsed
        escape = self._escape
        if not isUnicode(s):
            try:
                s = s.decode('utf8')
            except UnicodeDecodeError as e:
                i,j = e.args[2:4]
                raise UnicodeDecodeError(*(e.args[:4]+('%s\n%s-->%s<--%s' % (e.args[4],s[i-10:i],s[i:j],s[j:j+10]),)))

        for f, t in unicode2T1(s,[fontObj]+fontObj.substitutionFonts):
            if f!=fc:
                psName = asNative(f.face.name)
                code_append('(%s) findfont %s scalefont setfont' % (psName,fp_str(fontSize)))
                if psName not in fontsUsed:
                    fontsUsed.append(psName)
                fc = f
            code_append('%s m (%s) show ' % (fp_str(x,y),escape(t)))
            x += f.stringWidth(t.decode(f.encName),fontSize)
        if fontObj!=fc:
            self._font = None
            self.setFont(fontObj.face.name,fontSize)

 def setFillColor(self, aColor, alpha=None):
     """Takes a color object, allowing colors to be referred to by name"""
     if self._enforceColorSpace:
         aColor = self._enforceColorSpace(aColor)
     if isinstance(aColor, CMYKColor):
         d = aColor.density
         c,m,y,k = (d*aColor.cyan, d*aColor.magenta, d*aColor.yellow, d*aColor.black)
         self._fillColorObj = aColor
         name = self._checkSeparation(aColor)
         if name:
             self._code.append('/%s cs %s scn' % (name,fp_str(d)))
         else:
             self._code.append('%s k' % fp_str(c, m, y, k))
     elif isinstance(aColor, Color):
         rgb = (aColor.red, aColor.green, aColor.blue)
         self._fillColorObj = aColor
         self._code.append('%s rg' % fp_str(rgb) )
     elif isinstance(aColor,(tuple,list)):
         l = len(aColor)
         if l==3:
             self._fillColorObj = aColor
             self._code.append('%s rg' % fp_str(aColor) )
         elif l==4:
             self._fillColorObj = aColor
             self._code.append('%s k' % fp_str(aColor))
         else:
             raise ValueError('Unknown color %r' % aColor)
     elif isStr(aColor):
         self.setFillColor(toColor(aColor))
     else:
         raise ValueError('Unknown color %r' % aColor)
     if alpha is not None:
         self.setFillAlpha(alpha)
     elif getattr(aColor, 'alpha', None) is not None:
         self.setFillAlpha(aColor.alpha)

 def setColor(self, color):
     if self._color!=color:
         self._color = color
         if color:
             if hasattr(color, "cyan"):
                 self.code_append('%s setcmykcolor' % fp_str(color.cyan, color.magenta, color.yellow, color.black))
             else:
                 self.code_append('%s setrgbcolor' % fp_str(color.red, color.green, color.blue))

 def __repr__(self):
     return "%s(%s%s%s%s%s)" % (self.__class__.__name__,
         fp_str(self.cyan*100, self.magenta*100, self.yellow*100, self.black*100).replace(' ',','),
         (self.spotName and (',spotName='+repr(self.spotName)) or ''),
         (self.density!=1 and (',density='+fp_str(self.density*100)) or ''),
         (self.knockout is not None and (',knockout=%d' % self.knockout) or ''),
         (self.alpha is not None and (',alpha=%s' % (fp_str(self.alpha*100))) or ''),
         )

    def setTextOrigin(self, x, y):
        if self._canvas.bottomup:
            self._code.append('1 0 0 1 %s Tm' % fp_str(x, y)) #bottom up
        else:
            self._code.append('1 0 0 -1 %s Tm' % fp_str(x, y))  #top down

        # The current cursor position is at the text origin
        self._x0 = self._x = x
        self._y0 = self._y = y

    def lines(self, lineList, color=None, width=None):
        # print "### lineList", lineList
        return

        if self._strokeColor != None:
            self._setColor(self._strokeColor)
            codeline = '%s m %s l stroke'
            for line in lineList:
                self.code.append(codeline % (fp_str(line[0]), fp_str(line[1])))

def ttf2ps(font, doc):
    """
    create analytic fonts for inclusion in a postscript document
    """
    state = font._assignState(doc,asciiReadable=False,namePrefix='.RLF')
    state.frozen = 1
    PS = []
    unitsPerEm = font.face.unitsPerEm
    scale = lambda x: int(x*unitsPerEm/1000. + 0.1)
    _fontBBox = list(map(scale,font.face.bbox))
    fontBBox = fp_str(*_fontBBox)
    for i,subset in enumerate(state.subsets):
        n = len(subset)
        psName = font.getSubsetInternalName(i,doc)[1:]
        metrics = []
        bboxes = []
        chardefs = []
        charmaps = []
        nglyphs = 0
        for c in range(n):
            g = subset[c]
            if g==32 and g!=c: continue
            u = uniChr(g).encode('utf8')
            try:
                P = u2P(font,u)
            except:
                P = []
            nglyphs += 1
                #if c==0 and g==0:
                #   P=[('moveTo', 30, 1473), ('lineTo', 30, 0), ('lineTo', 603, 0),('lineTo',603,1473), 'closePath',('moveTo',40,1463),('lineTo',593,1463),('lineTo',593,10),('lineTo',40,10),'closePath']
                #else:
                #   continue
            gn = glyphName(c)
            if g==0 and c==0:
                uw = 633
            else:
                uw = font.stringWidth(u,unitsPerEm)
            if P:
                bb = definePath(P).getBounds()
            else:
                bb = [0,0,uw,0]
            bboxes.append('/%s [%s] def' % (gn,fp_str(*bb)))
            metrics.append('/%s %s def' % (gn, fp_str(uw)))
            chardefs.append(P2PSDef(c,P))
            charmaps.append(char2glyph(c,c==n-1))
        if nglyphs<=0: continue
        metrics = '\n'.join(metrics)
        chardefs = '\n'.join(chardefs)
        charmaps = '\n'.join(charmaps)
        bboxes = '\n'.join(bboxes)
        uid = rl_config.eps_ttf_embed_uid and getUID(doc,metrics+chardefs+charmaps+bboxes+str(unitsPerEm)+fontBBox) or ''
        PS.append(_template % locals())
    return '\n'.join(PS)

    del font.state[doc]

 def drawCurve(self, x1, y1, x2, y2, x3, y3, x4, y4, closed=0):
     codeline = '%s m %s curveto'
     data = (fp_str(x1, y1), fp_str(x2, y2, x3, y3, x4, y4))
     if self._fillColor != None:
         self.setColor(self._fillColor)
         self.code_append((codeline % data) + ' eofill')
     if self._strokeColor != None:
         self.setColor(self._strokeColor)
         self.code_append((codeline % data)
                         + ((closed and ' closepath') or '')
                         + ' stroke')

    def polygon(self, p, closed=0, stroke=1, fill=1):
        assert len(p) >= 2, 'Polygon must have 2 or more points'

        start = p[0]
        p = p[1:]

        poly = []
        a = poly.append
        a("%s m" % fp_str(start))
        for point in p:
            a("%s l" % fp_str(point))
        if closed:
            a("closepath")

        self._fillAndStroke(poly,stroke=stroke,fill=fill)

 def setFont(self, psfontname, size, leading = None):
     """Sets the font.  If leading not specified, defaults to 1.2 x
     font size. Raises a readable exception if an illegal font
     is supplied.  Font names are case-sensitive! Keeps track
     of font anme and size for metrics."""
     self._fontname = psfontname
     self._fontsize = size
     if leading is None:
         leading = size * 1.2
     self._leading = leading
     font = pdfmetrics.getFont(self._fontname)
     if font._dynamicFont:
         self._curSubset = -1
     else:
         pdffontname = self._canvas._doc.getInternalFontName(psfontname)
         self._code.append('%s %s Tf %s TL' % (pdffontname, fp_str(size), fp_str(leading)))

    def _rgbFind(self,color):
        "see if it matches any existing color in my list"
        C = self.cmykColors
        if isinstance(color,(list,tuple)):
            if len(color)==3: color = Color(color[0],color[1],color[2])
            elif len(color)==4: color = CMYKColor(color[0],color[1],color[2],color[3])
            else: raise ValueError("bad color %s"%repr(color))
        isCMYK = isinstance(color, CMYKColor)
        if not isCMYK:
            if isinstance(color,str):
                color = toColor(color)
            if colorDistance(color,black)<1e-8:
                isCMYK = 1
                color = PCMYKColor(0,0,0,100,100)
            elif colorDistance(color,white)<1e-8:
                isCMYK = 1
                color = PCMYKColor(0,0,0,0,100)
        rgb = color.red, color.green, color.blue
        if isCMYK:
            if color not in C: C.append(color)
            return self._setCMYKColor(color)
        else:
            for c in C:
                if (c.red, c.green, c.blue) == rgb:
                    return self._setCMYKColor(c)

        return '%s setrgbcolor' % fp_str(rgb)

 def drawInlineImage(self, canvas, preserveAspectRatio=False,anchor='sw'):
     """Draw an Image into the specified rectangle.  If width and
     height are omitted, they are calculated from the image size.
     Also allow file names as well as images.  This allows a
     caching mechanism"""
     width = self.width
     height = self.height
     if width<1e-6 or height<1e-6: return False
     x,y,self.width,self.height, scaled = aspectRatioFix(preserveAspectRatio,anchor,self.x,self.y,width,height,self.imgwidth,self.imgheight)
     # this says where and how big to draw it
     if not canvas.bottomup: y = y+height
     canvas._code.append('q %s 0 0 %s cm' % (fp_str(self.width), fp_str(self.height, x, y)))
     # self._code.extend(imagedata) if >=python-1.5.2
     for line in self.imageData:
         canvas._code.append(line)
     canvas._code.append('Q')
     return True

 def drawString(self, x, y, s, angle=0):
     if self._fillColor != None:
         fontObj = getFont(self._font)
         if not self.code[self._fontCodeLoc]:
             psName = asNative(fontObj.face.name)
             self.code[self._fontCodeLoc]='(%s) findfont %s scalefont setfont' % (psName,fp_str(self._fontSize))
             if psName not in self._fontsUsed:
                 self._fontsUsed.append(psName)
         self.setColor(self._fillColor)
         if angle!=0:
             self.code_append('gsave %s translate %s rotate' % (fp_str(x,y),fp_str(angle)))
             x = y = 0
         if fontObj._dynamicFont:
             s = self._escape(s)
             self.code_append('%s m (%s) show ' % (fp_str(x,y),s))
         else:
             self._issueT1String(fontObj,x,y,s)
         if angle!=0:
             self.code_append('grestore')

 def _setCMYKColor(self,c):
     KO = getattr(c,'knockout',None)
     if KO is None: KO = getattr(rl_config,'PS_SEP_KNOCKOUT',1)
     over = KO and 'false' or 'true'
     spotName = getattr(c,'spotName',None)
     if spotName:
             return '%s (%s) 0\n/tint exch def\nfindcmykcustomcolor %s setoverprint\ntint %s exch sub setcustomcolor' % (fp_str(c.cmyk()),spotName,over,c._density_str())
     else:
             d = c.density
             return '%s setcmykcolor %s setoverprint' % (fp_str(c.cyan*d,c.magenta*d,c.yellow*d,c.black*d),over)

    def _formatText(self, text):
        "Generates PDF text output operator(s)"
        if log2vis and self.direction in ('LTR','RTL'):
            # Use pyfribidi to write the text in the correct visual order.
            text = log2vis(text, directionsMap.get(self.direction.upper(),DIR_ON),clean=True)
        canv = self._canvas
        font = pdfmetrics.getFont(self._fontname)
        R = []
        if font._dynamicFont:
            #it's a truetype font and should be utf8.  If an error is raised,
            for subset, t in font.splitString(text, canv._doc):
                if subset!=self._curSubset:
                    pdffontname = font.getSubsetInternalName(subset, canv._doc)
                    R.append("%s %s Tf %s TL" % (pdffontname, fp_str(self._fontsize), fp_str(self._leading)))
                    self._curSubset = subset
                R.append("(%s) Tj" % canv._escape(t))
        elif font._multiByte:
            #all the fonts should really work like this - let them know more about PDF...
            R.append("%s %s Tf %s TL" % (
                canv._doc.getInternalFontName(font.fontName),
                fp_str(self._fontsize),
                fp_str(self._leading)
                ))
            R.append("(%s) Tj" % font.formatForPdf(text))
        else:
            #convert to T1  coding
            fc = font
            if isBytes(text):
                try:
                    text = text.decode('utf8')
                except UnicodeDecodeError as e:
                    i,j = e.args[2:4]
                    raise UnicodeDecodeError(*(e.args[:4]+('%s\n%s-->%s<--%s' % (e.args[4],text[max(i-10,0):i],text[i:j],text[j:j+10]),)))

            for f, t in pdfmetrics.unicode2T1(text,[font]+font.substitutionFonts):
                if f!=fc:
                    R.append("%s %s Tf %s TL" % (canv._doc.getInternalFontName(f.fontName), fp_str(self._fontsize), fp_str(self._leading)))
                    fc = f
                R.append("(%s) Tj" % canv._escape(t))
            if font!=fc:
                R.append("%s %s Tf %s TL" % (canv._doc.getInternalFontName(self._fontname), fp_str(self._fontsize), fp_str(self._leading)))
        return ' '.join(R)