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Viewing changes to src/desktop-affine.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2006-07-06 22:03:02 UTC
  • mto: (2.4.1 sid) (1.4.1 upstream) (45.1.3 maverick)
  • mto: This revision was merged to the branch mainline in revision 9.
  • Revision ID: james.westby@ubuntu.com-20060706220302-itgso3qgxdaxjmcy
Tags: upstream-0.44
Import upstream version 0.44

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src/desktop-affine.cpp
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 * Released under GNU GPL, read the file 'COPYING' for more information
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 */
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#include <libnr/nr-matrix.h>
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#include <libnr/nr-matrix-div.h>
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#include <libnr/nr-matrix-ops.h>
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#include <libnr/nr-point-matrix-ops.h>
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#include "desktop.h"
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#include "document.h"
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#include "sp-root.h"
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#include "desktop-affine.h"
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NR::Matrix const sp_desktop_w2dt_affine (SPDesktop const *desktop)
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{
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        g_return_val_if_fail (desktop != NULL, NULL);
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        return desktop->w2d;
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}
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NR::Matrix const sp_desktop_dt2w_affine (SPDesktop const *desktop)
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{
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        g_return_val_if_fail (desktop != NULL, NULL);
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        return desktop->d2w;
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}
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NR::Matrix const sp_desktop_dt2doc_affine (SPDesktop const *desktop)
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{
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        g_return_val_if_fail (desktop != NULL, NULL);
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        return desktop->doc2dt.inverse();
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}
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NR::Matrix const sp_desktop_doc2dt_affine (SPDesktop const *desktop)
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{
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        g_return_val_if_fail (desktop != NULL, NULL);
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        return desktop->doc2dt;
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}
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NR::Matrix const sp_desktop_w2doc_affine (SPDesktop const *desktop)
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{
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        g_return_val_if_fail (desktop != NULL, NULL);
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        return desktop->w2d / desktop->doc2dt;
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}
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NR::Matrix const sp_desktop_doc2w_affine(SPDesktop const *desktop)
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{
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        g_return_val_if_fail (desktop != NULL, NULL);
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        return desktop->doc2dt * desktop->d2w;
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}
 
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#include "libnr/nr-matrix-ops.h"
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NR::Matrix const sp_desktop_root2dt_affine (SPDesktop const *dt)
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{
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        SPRoot const *root = SP_ROOT(SP_DOCUMENT_ROOT(dt->doc()));
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        return root->c2p * dt->doc2dt;
 
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        return root->c2p * dt->doc2dt();
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}
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NR::Matrix const sp_desktop_dt2root_affine (SPDesktop const *dt)
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        return sp_desktop_root2dt_affine(dt).inverse();
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}
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NR::Point sp_desktop_w2d_xy_point(SPDesktop const *dt, NR::Point const p)
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{
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        assert (dt != NULL);
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        return p * dt->w2d;
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}
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NR::Point sp_desktop_d2w_xy_point(SPDesktop const *dt, NR::Point const p)
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{
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        assert (dt != NULL);
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        return p * dt->d2w;
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}
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NR::Point sp_desktop_d2doc_xy_point(SPDesktop const *dt, NR::Point const p)
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{
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        assert (dt != NULL);
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        return p / dt->doc2dt;
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}
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NR::Point sp_desktop_doc2d_xy_point(SPDesktop const *dt, NR::Point const p)
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{
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        assert (dt != NULL);
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        return p * dt->doc2dt;
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}
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NR::Point sp_desktop_w2doc_xy_point (SPDesktop const *dt, const NR::Point p)
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{
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        assert (dt != NULL);
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        return p * dt->w2d / dt->doc2dt;
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}
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NR::Point sp_desktop_doc2w_xy_point(SPDesktop const *dt, NR::Point const p)
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{
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        assert (dt != NULL);
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        return p * dt->doc2dt * dt->d2w;
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}
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NR::Point sp_desktop_root2dt_xy_point(SPDesktop const *dt, NR::Point const p)
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{
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        return p * sp_desktop_root2dt_affine(dt);