我们从Python开源项目中，提取了以下9个代码示例，用于说明如何使用cairo.FONT_SLANT_NORMAL。
def draw_text(self, ctx): ctx.select_font_face("Purisa", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL) ctx.set_font_size(TXT_SIZE) ctx.move_to(0.01*SIZE, 1.5*TXT_SIZE) ctx.show_text(' Forearm: ' + str(int(degrees(forearm)))) ctx.move_to(0.01*SIZE, 3.5*TXT_SIZE) ctx.show_text(' Hand: '+ str(int(degrees(-hand)))) if outOfReach: ctx.set_source_rgb(1, 0, 0) ctx.move_to(0.01*SIZE, 4*TXT_SIZE) #ctx.show_text('OUT OF REACH !!!') # --------------------------------- # mouse_pressed # ---------------------------------
def draw_text(ctx): ctx.select_font_face("Purisa", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL) ctx.set_font_size(TXT_SIZE) ctx.move_to(0.01*SIZE, TXT_SIZE) ctx.show_text('Base: ' + str(int(degrees(base)))) ctx.move_to(0.01*SIZE, 2*TXT_SIZE) ctx.show_text('Forearm: '+ str(int(degrees(forearm)))) ctx.move_to(0.01*SIZE, 3*TXT_SIZE) ctx.show_text('Hand: '+ str(int(degrees(hand)))) if outOfReach: ctx.set_source_rgb(1, 0, 0) ctx.move_to(0.01*SIZE, 4*TXT_SIZE) #ctx.move_to(-3*TXT_SIZE + Width/2, 0.5*SIZE + Height/2) ctx.show_text('OUT OF REACH !!!') # --------------------------------- # mouse_pressed # ---------------------------------
def barCoord(n): ''' returns ((x-left-top, y-left-top), (x-left-buttom, y-right-buttom), (x-right-top, y-right-top), (x-right-buttom, y-right-buttom)) coordinate of a bar area ''' return ((100 + (n % 6) * 380, 430 + (n // 6) * 331), # left x-axis 100pt for margin blank (100 + (n % 6) * 380, 430 + (n // 6) * 331 + 252), # top y-axis 430pt for title (100 + (n % 6) * 380 + 380, 430 + (n // 6) * 331), # 252 is 1.5em for chord 1em * 3 for melody 56pt per em (100 + (n % 6) * 380 + 380, 430 + (n // 6) * 331 + 252)) # ctx = cairo.Context(cairo.PDFSurface("haha.pdf", 2480.0, 3508.0)) # ctx.set_font_size(30) # ctx.select_font_face("FreeSerif", cairo.FONT_SLANT_NORMAL, # cairo.FONT_WEIGHT_NORMAL)
def main(): ps = cairo.PDFSurface("pdffile.pdf", 504, 648) cr = cairo.Context(ps) cr.set_source_rgb(0, 0, 0) cr.select_font_face("FreeSerif", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL) cr.set_font_size(40) cr.move_to(10, 50) cr.show_text(chr(119046) +'1 2 3 4 5' + chr(119047) ) cr.set_line_width(11) cr.move_to(100, 100) cr.line_to(20, 300) cr.show_page()
def DrawChord(ThisPageChordList, CSF): CSF.move_to(0, 0) CSF.select_font_face("FreeSerif", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL) CSF.move_to(100, 100) CSF.set_font_size(80) for i in ThisPageChordList: CSF.show_text(i) CSF.show_page()
def draw(self,context): context.set_source_rgb(256,256,256) context.select_font_face("Courier", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD) context.set_font_size(FONTSIZE) (x, y, width, height, dx, dy) = context.text_extents(self.c) context.move_to(self.p.x*16 - width/2, self.p.y*16 - height/2) context.scale(1,-1) context.show_text(self.c) context.scale(1,-1) context.stroke()
def cairo_render_at(s,loc=None,shape=None, fontname=None,fontfile=None,size=None, slant=cairo.FONT_SLANT_NORMAL, weight=cairo.FONT_WEIGHT_NORMAL, bg=(0.0,0.0,0.0),fg=(0.9,0.9,0.9)): """Render a string using Cairo and the Cairo text rendering interface. Fonts can either be given as a fontfile or as a fontname. Size should be in pixels (?). You can specify a background and foreground color as RGB floating point triples. Images are padded by pad pixels on all sides.""" assert loc is not None assert shape is not None assert size is not None w,h = shape x,y = loc face = None if fontfile is not None: # "/usr/share/fonts/truetype/msttcorefonts/comic.ttf" if fontfile in facecache: face = facecache[fontfile] else: face = create_cairo_font_face_for_file(fontfile,0) facecache[fontfile] = face surface = cairo.ImageSurface(cairo.FORMAT_ARGB32,w,h) cr = cairo.Context(surface) if face is not None: cr.set_font_face(face) else: if fontname is None: fontname = "Helvetica" if type(slant)==str: if slant[0]=="i": slant = cairo.FONT_SLANT_ITALIC elif slant[0]=="o": slant = cairo.FONT_SLANT_OBLIQUE elif slant[0]=="n": slant = cairo.FONT_SLANT_NORMAL else: raise Exception("bad font slant specification (use n/i/o)") if type(weight)==str: if weight[0]=="b": weight = cairo.FONT_WEIGHT_BOLD elif weight[0]=="n": weight = cairo.FONT_WEIGHT_NORMAL else: raise Exception("bad font weight specification (use b/n)") cr.select_font_face(fontname,slant,weight) if size is not None: cr.set_font_size(size) cr.set_source_rgb(*bg) cr.rectangle(0,0,w,h) cr.fill() cr.move_to(x,y) cr.set_source_rgb(*fg) cr.show_text(s) data = surface.get_data() data = bytearray(data) a = array(data,'B') a.shape = (h,w,4) a = a[:,:,:3] a = a[:,:,::-1] return a
