/* CHAPTER 18. Drawing on PDFs */ /* cpdf_drawBegin sets up the drawing process. It must be called before any * other cpdf_draw* function. */ void cpdf_drawBegin(void); /* cpdf_drawEnd(pdf, range) commits the drawing to the given PDF on pages in * the given range. */ void cpdf_drawEnd(int, int); /* cpdf_drawExtended(pdf, range, underneath, bates, filename) is the same as * cpdf_drawEnd, but provides the special parameters which may be required when * using cpdf_drawSText. */ void cpdf_drawEndExtended(int, int, int, int, char *); /* cpdf_drawRect(x, y, w, h) adds a rectangle to the current path. */ void cpdf_drawRect(double, double, double, double); /* cpdf_drawTo(x, y) moves the current point to (x, y). */ void cpdf_drawTo(double, double); /* cpdf_drawLine(x, y) adds a line from the current point to (x, y) to the * current path. */ void cpdf_drawLine(double, double); /* cpdf_drawBez(x1, y1, x2, y2, x3, y3) adds a bezier curve to the current * path. */ void cpdf_drawBez(double, double, double, double, double, double); /* cpdf_drawBez23(x2, y2, x3, y3) add a bezier curve with (x1, y1) = current * point. */ void cpdf_drawBez23(double, double, double, double); /* cpdf_drawBez13(x1, y1, x3, y3) add a bezier curve with (x3, y3) = new * current point. */ void cpdf_drawBez13(double, double, double, double); /* cpdf_drawCircle(x, y, r) adds a circle to the current path. */ void cpdf_drawCircle(double, double, double); /* cpdf_drawStroke() strokes the curent path, and clears it. */ void cpdf_drawStroke(void); /* cpdf_drawFill() fills the current path with a non-zero winding rule, and * clears it. */ void cpdf_drawFill(void); /* cpdf_drawFillEo() fills the current path with an even-odd winding rule, and * clears it. */ void cpdf_drawFillEo(void); /* cpdf_drawStrokeFill() fills and then strokes the current path with a * non-zero winding rule, and clears it. */ void cpdf_drawStrokeFill(void); /* cpdf_drawStrokeFillEo() fills and then strokes the current path with an even * odd winding rule, and clears it. */ void cpdf_drawStrokeFillEo(void); /* cpdf_drawClose closes the current path by appending a straight line segment * from the current point to the starting point of the subpath. */ void cpdf_drawClose(void); /* cpdf_drawClip uses the current path as a clipping region, using the non-zero * winding rule. */ void cpdf_drawClip(void); /* cpdf_drawClipEo uses the current path as a clipping region, using the * even-odd winding rule. */ void cpdf_drawClipEo(void); /* cpdf_drawStrokColGrey(g) changes to a greyscale stroke colourspace and sets * the stroke colour. */ void cpdf_drawStrokeColGrey(double); /* cpdf_drawStrokeColRGB(r, g, b) changes to an RGB stroke colourspace and sets * the stroke colour. */ void cpdf_drawStrokeColRGB(double, double, double); /* cpdf_drawStrokeColCYMK(c, y, m, k) changes to a CYMK stroke colourspace and * sets the stroke colour. */ void cpdf_drawStrokeColCYMK(double, double, double, double); /* cpdf_drawFillColGrey(g) changes to a greyscale fill colourspace and sets the * fill colour. */ void cpdf_drawFillColGrey(double); /* cpdf_drawFillColRGB(r, g, b) changes to an RGB fill colourspace and sets the * fill colour. */ void cpdf_drawFillColRGB(double, double, double); /* cpdf_drawFillColCYMK(c, y, m, k) changes to a CYMK fill colourspace and sets * the fill colour. */ void cpdf_drawFillColCYMK(double, double, double, double); /* cpdf_drawThick(thickness) sets the line thickness. */ void cpdf_drawThick(double); /* Line caps. */ enum cpdf_cap { cpdf_capButt, cpdf_capRound, cpdf_capSquare }; /* cpdf_drawCap(captype) sets the line cap. */ void cpdf_drawCap(enum cpdf_cap); /* Line joins. */ enum cpdf_join { cpdf_joinMiter, cpdf_joinRound, cpdf_joinBevel }; /* cpdf_drawJoin(jointype) sets the line join type. */ void cpdf_drawJoin(enum cpdf_join); /* cpdf_drawMiter(m) sets the miter limit. */ void cpdf_drawMiter(double); /* cpdf_drawDash(dash description) sets the line dash style. */ void cpdf_drawDash(char *); /* cpdf_drawPush() saves the current graphics state on the stack. */ void cpdf_drawPush(void); /* cpdf_drawPop() restores the graphics state from the stack. */ void cpdf_drawPop(void); /* cpdf_drawMatrix(a, b, c, d, e, f) appends the given matrix to the Current * Transformation Matrix. */ void cpdf_drawMatrix(double, double, double, double, double, double); /* cpdf_drawMTrans(tx, ty) appends a translation by (tx, ty) to the Current * Transformation Matrix. */ void cpdf_drawMTrans(double, double); /* cpdf_drawMRot(x, y, a) appends a rotation by a around (a, y) to the Current * Transformation Matrix. */ void cpdf_drawMRot(double, double, double); /* cpdf_drawMScale(x, y, sx, sy) appends a scaling by (sx, sy) around (x, y) to * the Current Transformation Matrix. */ void cpdf_drawMScale(double, double, double, double); /* cpdf_drawMShearX(x, y, a) appends an X shearing of angle a around (x, y) to * the Current Transformation Matrix. */ void cpdf_drawMShearX(double, double, double); /* cpdf_drawMShearY(x, y, a) appends an Y shearing of angle a around (x, y) to * the Current Transformation Matrix. */ void cpdf_drawMShearY(double, double, double); /* cpdf_drawXObjBBox(x, y, w, h) sets the XObject bounding box. */ void cpdf_drawXObjBBox(double, double, double, double); /* cpdf_drawXObj(name) begins the storing of an XObject. */ void cpdf_drawXObj(char *); /* cpdf_drawEndXObj() ends the storing of an XObject. */ void cpdf_drawEndXObj(void); /* cpdf_drawUse(name) uses the named XObject. */ void cpdf_drawUse(char *); /* cpdf_drawJPEG(name, filename) loads a JPEG from the given file, storing it * under the given name. */ void cpdf_drawJPEG(char *, char *); /* cpdf_drawPNG(name, filename) loads a 24 bit non-interlaced non-transparent * PNG from the given file, storing it under the given name. */ void cpdf_drawPNG(char *, char *); /* cpdf_drawImage(name) draws a stored image. To draw at the expected size, it * is required to scale the Current Transformation Matrix by the width and * height of the image. */ void cpdf_drawImage(char *); /* cpdf_drawFillOpacity(n) sets the fill opacity. */ void cpdf_drawFillOpacity(double); /* cpdf_drawStrokeOpacity(n) sets the stroke opacity. */ void cpdf_drawStrokeOpacity(double); /* cpdf_drawBT() begins a text section. */ void cpdf_drawBT(void); /* cpdf_drawET() ends a text section. */ void cpdf_drawET(void); /* cpdf_drawFont(fontname) sets the font. */ void cpdf_drawFont(char *); /* cpdf_drawFontSize(n) sets the font size. */ void cpdf_drawFontSize(double); /* cpdf_drawText(text) draws text. */ void cpdf_drawText(char *); /* cpdf_drawSText(text) draws text with %Specials. You may need to use * cpdf_drawEndExtended instead of cpdf_drawEnd later, to provide the extra * information required. */ void cpdf_drawSText(char *); /* cpdf_drawLeading(n) sets the leading. */ void cpdf_drawLeading(double); /* cpdf_drawCharSpace(n) sets the character spacing. */ void cpdf_drawCharSpace(double); /* cpdf_drawWordSpace(n) sets the word spacing. */ void cpdf_drawWordSpace(double); /* cpdf_drawTextScale(n) sets the text scaling. */ void cpdf_drawTextScale(double); /* cpdf_drawRenderMode(n) sets the text rendering mode. */ void cpdf_drawRenderMode(int); /* cpdf_drawRise(n) sets the text rise. */ void cpdf_drawRise(double); /* cpdf_drawNL() moves to the next line. */ void cpdf_drawNL(void); /* cpdf_drawNewPage() moves to the next page, creating it if necessary, and * setting the range to just that new page. */ void cpdf_drawNewPage(void);