LCOV - code coverage report
Current view: directory - gfx/thebes - gfxPSSurface.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 49 0 0.0 %
Date: 2012-06-02 Functions: 12 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
       2                 :  * ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla Foundation Code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2006
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Stuart Parmenter <pavlov@pavlov.net>
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "gfxPSSurface.h"
      39                 : 
      40                 : #include "cairo.h"
      41                 : #include "cairo-ps.h"
      42                 : 
      43                 : static cairo_status_t
      44               0 : write_func(void *closure, const unsigned char *data, unsigned int length)
      45                 : {
      46               0 :     nsCOMPtr<nsIOutputStream> out = reinterpret_cast<nsIOutputStream*>(closure);
      47               0 :     do {
      48               0 :         PRUint32 wrote = 0;
      49               0 :         if (NS_FAILED(out->Write((const char*)data, length, &wrote)))
      50               0 :             break;
      51               0 :         data += wrote; length -= wrote;
      52                 :     } while (length > 0);
      53               0 :     NS_ASSERTION(length == 0, "not everything was written to the file");
      54               0 :     return CAIRO_STATUS_SUCCESS;
      55                 : }
      56                 : 
      57               0 : gfxPSSurface::gfxPSSurface(nsIOutputStream *aStream, const gfxSize& aSizeInPoints, PageOrientation aOrientation)
      58               0 :     : mStream(aStream), mXDPI(-1), mYDPI(-1), mOrientation(aOrientation)
      59                 : {
      60               0 :     mSize = gfxIntSize(aSizeInPoints.width, aSizeInPoints.height);
      61                 : 
      62                 :     // The PS output does not specify the page size so to print
      63                 :     // landscape we need to rotate the drawing 90 degrees and print on
      64                 :     // portrait paper. If printing landscape, swap the width/height
      65                 :     // supplied to cairo to select a portrait print area. gfxContext
      66                 :     // will perform the rotation when GetRotateForLandscape() is TRUE.
      67               0 :     gfxIntSize cairoSize;
      68               0 :     if (mOrientation == PORTRAIT) {
      69               0 :         cairoSize = mSize;
      70                 :     } else {
      71               0 :         cairoSize = gfxIntSize(mSize.height, mSize.width);
      72                 :     }
      73               0 :     cairo_surface_t* ps_surface = cairo_ps_surface_create_for_stream(write_func, (void*)mStream, cairoSize.width, cairoSize.height);
      74               0 :     cairo_ps_surface_restrict_to_level(ps_surface, CAIRO_PS_LEVEL_2);
      75               0 :     Init(ps_surface);
      76               0 : }
      77                 : 
      78               0 : gfxPSSurface::~gfxPSSurface()
      79                 : {
      80               0 : }
      81                 : 
      82                 : nsresult
      83               0 : gfxPSSurface::BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName)
      84                 : {
      85               0 :     if (mOrientation == PORTRAIT) {
      86               0 :       cairo_ps_surface_dsc_comment (mSurface, "%%Orientation: Portrait");
      87                 :     } else {
      88               0 :       cairo_ps_surface_dsc_comment (mSurface, "%%Orientation: Landscape");
      89                 :     }
      90               0 :     return NS_OK;
      91                 : }
      92                 : 
      93                 : nsresult
      94               0 : gfxPSSurface::EndPrinting()
      95                 : {
      96               0 :     return NS_OK;
      97                 : }
      98                 : 
      99                 : nsresult
     100               0 : gfxPSSurface::AbortPrinting()
     101                 : {
     102               0 :     return NS_OK;
     103                 : }
     104                 : 
     105                 : nsresult
     106               0 : gfxPSSurface::BeginPage()
     107                 : {
     108               0 :     return NS_OK;
     109                 : }
     110                 : 
     111                 : nsresult
     112               0 : gfxPSSurface::EndPage()
     113                 : {
     114               0 :     cairo_surface_show_page(CairoSurface());
     115               0 :     return NS_OK;
     116                 : }
     117                 : 
     118                 : void
     119               0 : gfxPSSurface::Finish()
     120                 : {
     121               0 :     gfxASurface::Finish();
     122               0 :     mStream->Close();
     123               0 : }
     124                 : 
     125                 : void
     126               0 : gfxPSSurface::SetDPI(double xDPI, double yDPI)
     127                 : {
     128               0 :     mXDPI = xDPI;
     129               0 :     mYDPI = yDPI;
     130               0 :     cairo_surface_set_fallback_resolution(CairoSurface(), xDPI, yDPI);
     131               0 : }
     132                 : 
     133                 : void
     134               0 : gfxPSSurface::GetDPI(double *xDPI, double *yDPI)
     135                 : {
     136               0 :     *xDPI = mXDPI;
     137               0 :     *yDPI = mYDPI;
     138               0 : }
     139                 : 

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