gloobus-preview/gdk-poppler.patch

   1 --- gloobus-preview-build.orig/src/plugin-openoffice/plugin-openoffice.cpp      2011-10-10 14:23:19.205606984 +0200
   2 +++ gloobus-preview-build/src/plugin-openoffice/plugin-openoffice.cpp   2011-10-10 14:21:50.870952455 +0200
   3 @@ -1,4 +1,5 @@
   4  #include "plugin-openoffice.h"
   5 +#include "../poppler-gdk.h"
   6
   7  #define WIDTH_PERCENT 0.8
   8  //======================= CONSTRUCTOR ===================== //
   9 --- gloobus-preview-build.orig/src/plugin-pdf/plugin-pdf.cpp    2011-10-10 14:23:19.205606984 +0200
  10 +++ gloobus-preview-build/src/plugin-pdf/plugin-pdf.cpp 2011-10-10 14:21:50.870952455 +0200
  11 @@ -1,4 +1,5 @@
  12  #include "plugin-pdf.h"
  13 +#include "../poppler-gdk.h"
  14
  15  #define WIDTH_PERCENT 0.8
  16  //======================= CONSTRUCTOR ===================== //
  17 --- gloobus-preview-build.orig/src/poppler-gdk.h        1970-01-01 01:00:00.000000000 +0100
  18 +++ gloobus-preview-build/src/poppler-gdk.h     2011-10-10 14:22:06.077846565 +0200
  19 @@ -0,0 +1,132 @@
  20 +#include <goo/gtypes.h>
  21 +
  22 +static void
  23 +copy_cairo_surface_to_pixbuf (cairo_surface_t *surface,
  24 +                             GdkPixbuf       *pixbuf)
  25 +{
  26 +  int cairo_width, cairo_height, cairo_rowstride;
  27 +  unsigned char *pixbuf_data, *dst, *cairo_data;
  28 +  int pixbuf_rowstride, pixbuf_n_channels;
  29 +  unsigned int *src;
  30 +  int x, y;
  31 +
  32 +  cairo_width = cairo_image_surface_get_width (surface);
  33 +  cairo_height = cairo_image_surface_get_height (surface);
  34 +  cairo_rowstride = cairo_image_surface_get_stride (surface);
  35 +  cairo_data = cairo_image_surface_get_data (surface);
  36 +
  37 +  pixbuf_data = gdk_pixbuf_get_pixels (pixbuf);
  38 +  pixbuf_rowstride = gdk_pixbuf_get_rowstride (pixbuf);
  39 +  pixbuf_n_channels = gdk_pixbuf_get_n_channels (pixbuf);
  40 +
  41 +  if (cairo_width > gdk_pixbuf_get_width (pixbuf))
  42 +    cairo_width = gdk_pixbuf_get_width (pixbuf);
  43 +  if (cairo_height > gdk_pixbuf_get_height (pixbuf))
  44 +    cairo_height = gdk_pixbuf_get_height (pixbuf);
  45 +  for (y = 0; y < cairo_height; y++)
  46 +    {
  47 +      src = (unsigned int *) (cairo_data + y * cairo_rowstride);
  48 +      dst = pixbuf_data + y * pixbuf_rowstride;
  49 +      for (x = 0; x < cairo_width; x++)
  50 +       {
  51 +         dst[0] = (*src >> 16) & 0xff;
  52 +         dst[1] = (*src >> 8) & 0xff;
  53 +         dst[2] = (*src >> 0) & 0xff;
  54 +         if (pixbuf_n_channels == 4)
  55 +             dst[3] = (*src >> 24) & 0xff;
  56 +         dst += pixbuf_n_channels;
  57 +         src++;
  58 +       }
  59 +    }
  60 +}
  61 +
  62 +static void
  63 +_poppler_page_render_to_pixbuf (PopplerPage *page,
  64 +                               int src_x, int src_y,
  65 +                               int src_width, int src_height,
  66 +                               double scale,
  67 +                               int rotation,
  68 +                               GBool printing,
  69 +                               GdkPixbuf *pixbuf)
  70 +{
  71 +  cairo_t *cr;
  72 +  cairo_surface_t *surface;
  73 +
  74 +  surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
  75 +                                       src_width, src_height);
  76 +  cr = cairo_create (surface);
  77 +  cairo_save (cr);
  78 +  switch (rotation) {
  79 +  case 90:
  80 +         cairo_translate (cr, src_x + src_width, -src_y);
  81 +         break;
  82 +  case 180:
  83 +         cairo_translate (cr, src_x + src_width, src_y + src_height);
  84 +         break;
  85 +  case 270:
  86 +         cairo_translate (cr, -src_x, src_y + src_height);
  87 +         break;
  88 +  default:
  89 +         cairo_translate (cr, -src_x, -src_y);
  90 +  }
  91 +
  92 +  if (scale != 1.0)
  93 +         cairo_scale (cr, scale, scale);
  94 +
  95 +  if (rotation != 0)
  96 +         cairo_rotate (cr, rotation * G_PI / 180.0);
  97 +
  98 +  if (printing)
  99 +         poppler_page_render_for_printing (page, cr);
 100 +  else
 101 +         poppler_page_render (page, cr);
 102 +  cairo_restore (cr);
 103 +
 104 +  cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
 105 +  cairo_set_source_rgb (cr, 1., 1., 1.);
 106 +  cairo_paint (cr);
 107 +
 108 +  cairo_destroy (cr);
 109 +
 110 +  copy_cairo_surface_to_pixbuf (surface, pixbuf);
 111 +  cairo_surface_destroy (surface);
 112 +}
 113 +
 114 +/**
 115 + * poppler_page_render_to_pixbuf:
 116 + * @page: the page to render from
 117 + * @src_x: x coordinate of upper left corner
 118 + * @src_y: y coordinate of upper left corner
 119 + * @src_width: width of rectangle to render
 120 + * @src_height: height of rectangle to render
 121 + * @scale: scale specified as pixels per point
 122 + * @rotation: rotate the document by the specified degree
 123 + * @pixbuf: pixbuf to render into
 124 + *
 125 + * First scale the document to match the specified pixels per point,
 126 + * then render the rectangle given by the upper left corner at
 127 + * (src_x, src_y) and src_width and src_height.
 128 + * This function is for rendering a page that will be displayed.
 129 + * If you want to render a page that will be printed use
 130 + * poppler_page_render_to_pixbuf_for_printing() instead
 131 + *
 132 + * Deprecated: 0.16
 133 + **/
 134 +void
 135 +poppler_page_render_to_pixbuf (PopplerPage *page,
 136 +                              int src_x, int src_y,
 137 +                              int src_width, int src_height,
 138 +                              double scale,
 139 +                              int rotation,
 140 +                              GdkPixbuf *pixbuf)
 141 +{
 142 +  g_return_if_fail (POPPLER_IS_PAGE (page));
 143 +  g_return_if_fail (scale > 0.0);
 144 +  g_return_if_fail (pixbuf != NULL);
 145 +
 146 +  _poppler_page_render_to_pixbuf (page, src_x, src_y,
 147 +                                 src_width, src_height,
 148 +                                 scale, rotation,
 149 +                                 gFalse,
 150 +                                 pixbuf);
 151 +}
 152