/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 2; tab-width: 2 -*- */ /* * gerber-output-dev.h * Copyright (C) 2018 David Barksdale * * pdf2gerber is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * pdf2gerber is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program. If not, see . */ #ifndef _GERBER_OUTPUT_DEV_H_ #define _GERBER_OUTPUT_DEV_H_ #include class GerberOutputDev: public OutputDev { public: // Constructor. GerberOutputDev(); //----- get info about output device // Does this device use upside-down coordinates? // (Upside-down means (0,0) is the top left corner of the page.) GBool upsideDown(); // Does this device use drawChar() or drawString()? GBool useDrawChar(); // Does this device use tilingPatternFill()? If this returns false, // tiling pattern fills will be reduced to a series of other drawing // operations. virtual GBool useTilingPatternFill() { return gFalse; } // Does this device support specific shading types? // see gouraudTriangleShadedFill() and patchMeshShadedFill() virtual GBool useShadedFills(int type) { return gFalse; } // Does this device use FillColorStop()? virtual GBool useFillColorStop() { return gFalse; } // Does this device use drawForm()? If this returns false, // form-type XObjects will be interpreted (i.e., unrolled). virtual GBool useDrawForm() { return gFalse; } // Does this device use beginType3Char/endType3Char? Otherwise, // text in Type 3 fonts will be drawn with drawChar/drawString. GBool interpretType3Chars(); // Does this device need non-text content? virtual GBool needNonText() { return gTrue; } // Does this device require incCharCount to be called for text on // non-shown layers? virtual GBool needCharCount() { return gFalse; } // Does this device need to clip pages to the crop box even when the // box is the crop box? virtual GBool needClipToCropBox() { return gFalse; } //----- initialization and control // Set default transform matrix. // virtual void setDefaultCTM(double *ctm); // Check to see if a page slice should be displayed. If this // returns false, the page display is aborted. Typically, an // OutputDev will use some alternate means to display the page // before returning false. virtual GBool checkPageSlice(Page *page, double hDPI, double vDPI, int rotate, GBool useMediaBox, GBool crop, int sliceX, int sliceY, int sliceW, int sliceH, GBool printing, GBool (* abortCheckCbk)(void *data) = NULL, void * abortCheckCbkData = NULL, GBool (*annotDisplayDecideCbk)(Annot *annot, void *user_data) = NULL, void *annotDisplayDecideCbkData = NULL) { return gTrue; } // Start a page. void startPage(int pageNum, GfxState *state, XRef *xref); // End a page. void endPage(); // Dump page contents to display. void dump(); //----- coordinate conversion // Convert between device and user coordinates. // virtual void cvtDevToUser(double dx, double dy, double *ux, double *uy); // virtual void cvtUserToDev(double ux, double uy, int *dx, int *dy); //----- save/restore graphics state virtual void saveState(GfxState * /*state*/) {} virtual void restoreState(GfxState * /*state*/) {} //----- update graphics state // virtual void updateAll(GfxState *state); virtual void updateCTM(GfxState * /*state*/, double /*m11*/, double /*m12*/, double /*m21*/, double /*m22*/, double /*m31*/, double /*m32*/) {} virtual void updateLineDash(GfxState * /*state*/) {} virtual void updateFlatness(GfxState * /*state*/) {} virtual void updateLineJoin(GfxState * /*state*/) {} virtual void updateLineCap(GfxState * /*state*/) {} virtual void updateMiterLimit(GfxState * /*state*/) {} virtual void updateLineWidth(GfxState * /*state*/) {} virtual void updateStrokeAdjust(GfxState * /*state*/) {} virtual void updateAlphaIsShape(GfxState * /*state*/) {} virtual void updateTextKnockout(GfxState * /*state*/) {} virtual void updateFillColorSpace(GfxState * /*state*/) {} virtual void updateStrokeColorSpace(GfxState * /*state*/) {} virtual void updateFillColor(GfxState * /*state*/) {} virtual void updateStrokeColor(GfxState * /*state*/) {} virtual void updateBlendMode(GfxState * /*state*/) {} virtual void updateFillOpacity(GfxState * /*state*/) {} virtual void updateStrokeOpacity(GfxState * /*state*/) {} virtual void updatePatternOpacity(GfxState * /*state*/) {} virtual void clearPatternOpacity(GfxState * /*state*/) {} virtual void updateFillOverprint(GfxState * /*state*/) {} virtual void updateStrokeOverprint(GfxState * /*state*/) {} virtual void updateOverprintMode(GfxState * /*state*/) {} virtual void updateTransfer(GfxState * /*state*/) {} virtual void updateFillColorStop(GfxState * /*state*/, double /*offset*/) {} //----- update text state virtual void updateFont(GfxState * /*state*/) {} virtual void updateTextMat(GfxState * /*state*/) {} virtual void updateCharSpace(GfxState * /*state*/) {} virtual void updateRender(GfxState * /*state*/) {} virtual void updateRise(GfxState * /*state*/) {} virtual void updateWordSpace(GfxState * /*state*/) {} virtual void updateHorizScaling(GfxState * /*state*/) {} virtual void updateTextPos(GfxState * /*state*/) {} virtual void updateTextShift(GfxState * /*state*/, double /*shift*/) {} virtual void saveTextPos(GfxState * /*state*/) {} virtual void restoreTextPos(GfxState * /*state*/) {} //----- path painting void stroke(GfxState * /*state*/); void fill(GfxState * /*state*/); //void eoFill(GfxState * /*state*/); virtual GBool tilingPatternFill(GfxState * /*state*/, Gfx * /*gfx*/, Catalog * /*cat*/, Object * /*str*/, double * /*pmat*/, int /*paintType*/, int /*tilingType*/, Dict * /*resDict*/, double * /*mat*/, double * /*bbox*/, int /*x0*/, int /*y0*/, int /*x1*/, int /*y1*/, double /*xStep*/, double /*yStep*/) { return gFalse; } virtual GBool functionShadedFill(GfxState * /*state*/, GfxFunctionShading * /*shading*/) { return gFalse; } virtual GBool axialShadedFill(GfxState * /*state*/, GfxAxialShading * /*shading*/, double /*tMin*/, double /*tMax*/) { return gFalse; } virtual GBool axialShadedSupportExtend(GfxState * /*state*/, GfxAxialShading * /*shading*/) { return gFalse; } virtual GBool radialShadedFill(GfxState * /*state*/, GfxRadialShading * /*shading*/, double /*sMin*/, double /*sMax*/) { return gFalse; } virtual GBool radialShadedSupportExtend(GfxState * /*state*/, GfxRadialShading * /*shading*/) { return gFalse; } virtual GBool gouraudTriangleShadedFill(GfxState *state, GfxGouraudTriangleShading *shading) { return gFalse; } virtual GBool patchMeshShadedFill(GfxState *state, GfxPatchMeshShading *shading) { return gFalse; } //----- path clipping virtual void clip(GfxState * /*state*/) {} virtual void eoClip(GfxState * /*state*/) {} virtual void clipToStrokePath(GfxState * /*state*/) {} //----- text drawing virtual void beginStringOp(GfxState * /*state*/) {} virtual void endStringOp(GfxState * /*state*/) {} virtual void beginString(GfxState * /*state*/, GooString * /*s*/) {} virtual void endString(GfxState * /*state*/) {} void drawChar(GfxState * /*state*/, double /*x*/, double /*y*/, double /*dx*/, double /*dy*/, double /*originX*/, double /*originY*/, CharCode /*code*/, int /*nBytes*/, Unicode * /*u*/, int /*uLen*/); virtual void drawString(GfxState * /*state*/, GooString * /*s*/) {} // virtual GBool beginType3Char(GfxState * /*state*/, double /*x*/, double /*y*/, // double /*dx*/, double /*dy*/, // CharCode /*code*/, Unicode * /*u*/, int /*uLen*/); virtual void endType3Char(GfxState * /*state*/) {} virtual void beginTextObject(GfxState * /*state*/) {} virtual void endTextObject(GfxState * /*state*/) {} virtual void incCharCount(int /*nChars*/) {} virtual void beginActualText(GfxState * /*state*/, GooString * /*text*/ ) {} virtual void endActualText(GfxState * /*state*/) {} //----- image drawing // virtual void drawImageMask(GfxState *state, Object *ref, Stream *str, // int width, int height, GBool invert, GBool interpolate, // GBool inlineImg); // virtual void setSoftMaskFromImageMask(GfxState *state, // Object *ref, Stream *str, // int width, int height, GBool invert, // GBool inlineImg, double *baseMatrix); // virtual void unsetSoftMaskFromImageMask(GfxState *state, double *baseMatrix); // virtual void drawImage(GfxState *state, Object *ref, Stream *str, // int width, int height, GfxImageColorMap *colorMap, // GBool interpolate, int *maskColors, GBool inlineImg); // virtual void drawMaskedImage(GfxState *state, Object *ref, Stream *str, // int width, int height, // GfxImageColorMap *colorMap, GBool interpolate, // Stream *maskStr, int maskWidth, int maskHeight, // GBool maskInvert, GBool maskInterpolate); // virtual void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str, // int width, int height, // GfxImageColorMap *colorMap, // GBool interpolate, // Stream *maskStr, // int maskWidth, int maskHeight, // GfxImageColorMap *maskColorMap, // GBool maskInterpolate); //----- grouping operators // virtual void endMarkedContent(GfxState *state); // virtual void beginMarkedContent(char *name, Dict *properties); // virtual void markPoint(char *name); // virtual void markPoint(char *name, Dict *properties); #if OPI_SUPPORT //----- OPI functions // virtual void opiBegin(GfxState *state, Dict *opiDict); // virtual void opiEnd(GfxState *state, Dict *opiDict); #endif //----- Type 3 font operators virtual void type3D0(GfxState * /*state*/, double /*wx*/, double /*wy*/) {} virtual void type3D1(GfxState * /*state*/, double /*wx*/, double /*wy*/, double /*llx*/, double /*lly*/, double /*urx*/, double /*ury*/) {} //----- form XObjects virtual void drawForm(Ref /*id*/) {} //----- PostScript XObjects virtual void psXObject(Stream * /*psStream*/, Stream * /*level1Stream*/) {} //----- Profiling // virtual void startProfile(); // virtual GooHash *getProfileHash() {return profileHash; } // virtual GooHash *endProfile(); //----- transparency groups and soft masks virtual GBool checkTransparencyGroup(GfxState * /*state*/, GBool /*knockout*/) { return gTrue; } virtual void beginTransparencyGroup(GfxState * /*state*/, double * /*bbox*/, GfxColorSpace * /*blendingColorSpace*/, GBool /*isolated*/, GBool /*knockout*/, GBool /*forSoftMask*/) {} virtual void endTransparencyGroup(GfxState * /*state*/) {} virtual void paintTransparencyGroup(GfxState * /*state*/, double * /*bbox*/) {} virtual void setSoftMask(GfxState * /*state*/, double * /*bbox*/, GBool /*alpha*/, Function * /*transferFunc*/, GfxColor * /*backdropColor*/) {} virtual void clearSoftMask(GfxState * /*state*/) {} //----- links virtual void processLink(AnnotLink * /*link*/) {} #if 1 //~tmp: turn off anti-aliasing temporarily virtual GBool getVectorAntialias() { return gFalse; } virtual void setVectorAntialias(GBool /*vaa*/) {} #endif #ifdef USE_CMS PopplerCache *getIccColorSpaceCache(); #endif private: int coord(double decimal); }; #endif // _GERBER_OUTPUT_DEV_H_