Mulit Image Postscript Print

Subject: Mulit Image Postscript Print
From: Andy Richardson (andy@promethium.chem.ucl.ac.uk)
Date: Tue Feb 15 2000 - 14:47:49 CST

Change:

cvs/abi/src/af/xap/unix/xap_UnixPSGraphics.cpp line 820 should read

        // translate for quadrant 2, so Y values are negative; land us at
        // lower left of image (baseline), which is twice the height
+ sprintf(buf, "%d %d translate\n", xDest, m_iRasterPosition - yDest -
iDestHeight);
- sprintf(buf, "%d %d translate\n", xDest, (yDest * -1) - iDestHeight);
        m_ps->writeBytes(buf);

cvs/abi/src/af/xap/unix/xap_UnixPSGraphics.cpp line 890 should read

        // translate for quadrant 2, so Y values are negative; land us at
        // lower left of image (baseline), which is twice the height
+ sprintf(buf, "%d %d translate\n", xDest, m_iRasterPosition - yDest -
iDestHeight);
- sprintf(buf, "%d %d translate\n", (yDest * -1) - iDestHeight);
        m_ps->writeBytes(buf);

cvs/abi/src/af/gr/xp/gr_Graphics.h at line 169 insert
        virtual void setColor3D(GR_Color3D c) = 0;
        virtual void fillRect(GR_Color3D c, UT_sint32 x, UT_sint32 y,
UT_sint32 w, UT_sint32 h) = 0;
        virtual void fillRect(GR_Color3D c, UT_Rect &r) = 0;

+ // Postscript context positions graphics wrt top of current PAGE, NOT
+ // wrt top of document. The screen graphics engine, though positions
+ // graphics wrt the top of the document, therefore if we are printing
+ // page 5 we need to adjust the vertical position of the graphic in the
+ // postscript image printing routine by (current_page_number-1) *
page_height
+ // I'm going to call this variable m_iRasterPosition, for want of a
better name,
+ // it's not acutally a rasterposition --- any better names would be a
good idea,
+ // I jusy can't think of one right now.
+ UT_uint32 m_iRasterPosition;
protected:
        virtual UT_uint32 _getResolution(void) const = 0;
        

cvs/abi/src/wp/ap/xp/ap_EditMethods.cpp line 3646 insert

{
                        for (j=1; (j <= nCopies); j++)
                                for (k=nFromPage; (k <= nToPage); k++)
                                {
+ // NB we will need a better way to calc
+ // pGraphics->m_iRasterPosition when
+ // iHeight is allowed to vary page to page
+ pGraphics->m_iRasterPosition = (k-1)*iHeight;
                                        pGraphics->startPage(pDocName, k, UT_TRUE, iWidth, iHeight);
                                        pPrintView->draw(k-1, &da);
                                }

cvs/abi/src/wp/ap/xp/ap_EditMethods.cpp line 3655 insert

                        for (k=nFromPage; (k <= nToPage); k++)
                                for (j=1; (j <= nCopies); j++)
                                {
+ // NB we will need a better way to calc
+ // pGraphics->m_iRasterPosition when
+ // iHeight is allowed to vary page to page
+ pGraphics->m_iRasterPosition = (k-1)*iHeight;
                                        pGraphics->startPage(pDocName, k, UT_TRUE, iWidth, iHeight);
                                        pPrintView->draw(k-1, &da);
                                } 

-- 

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+---------------o00o----(_)----o00o-------------------------------------+
|Andy Richardson                          Dept. of Chemistry            |
|t(w): +44 171 380 (7465)                 University college London     |
|t(h): +44 181 352 (0848)                 Gordon street                 |
|e: andy@promethium.chem.ucl.ac.uk        London WC1E 6BT         UK    |
+------------------------------0ooo-------------------------------------+
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