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Fixed printout

This commit is contained in:
Matthias Koefferlein 2022-09-18 21:53:38 +02:00
parent 029284f48a
commit ee3facfa13
3 changed files with 43 additions and 7 deletions
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13
src/lay/lay/layMainWindow.cc
View File

@ -1529,6 +1529,8 @@ MainWindow::cm_print ()
if (current_view ()) {
int scale_factor = 3;
// choose a resolution around 300dpi
double rf = floor (0.5 + 300.0 / mp_printer->resolution ());
mp_printer->setResolution (int (floor (0.5 + mp_printer->resolution () * rf)));
@ -1559,7 +1561,16 @@ MainWindow::cm_print ()
text_rect.setBottom (text_rect.bottom () - hh / 2);
text_rect.setTop (text_rect.top () + hh / 2);
QImage img = current_view ()->get_image_with_options (page_rect.width (), page_rect.height () - 4 * hh, 1, 1, 1.0 / 3.0, Qt::white, Qt::black, Qt::black, db::DBox (), false);
QImage img = current_view ()->get_image_with_options (page_rect.width (),
page_rect.height () - 4 * hh,
scale_factor,
1,
1.0 / scale_factor,
tl::Color (QColor (Qt::white)), // foreground
tl::Color (QColor (Qt::black)), // background
tl::Color (QColor (Qt::black)), // active
db::DBox (),
false);
painter.drawImage (QPoint (page_rect.left (), page_rect.top () + hh * 2), img);
painter.setFont (header_font);

31
src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc
View File

@ -1237,9 +1237,9 @@ LAYBASIC_PUBLIC Class<lay::LayoutViewBase> decl_LayoutViewBase ("lay", "LayoutVi
"@param filename The file to which to write the screenshot to.\n"
"@param width The width of the image to render in pixel.\n"
"@param height The height of the image to render in pixel.\n"
"@param linewidth The width of a line in pixels (usually 1) or 0 for default.\n"
"@param oversampling The oversampling factor (1..3) or 0 for default.\n"
"@param resolution The resolution (pixel size compared to a screen pixel, i.e 1/oversampling) or 0 for default.\n"
"@param linewidth The line width scale factor (usually 1) or 0 for 1/resolution.\n"
"@param oversampling The oversampling factor (1..3) or 0 for the oversampling the view was configured with.\n"
"@param resolution The resolution (pixel size compared to a screen pixel) or 0 for 1/oversampling.\n"
"@param target_box The box to draw or an empty box for default.\n"
"@param monochrome If true, monochrome images will be produced.\n"
"\n"
@ -1248,6 +1248,31 @@ LAYBASIC_PUBLIC Class<lay::LayoutViewBase> decl_LayoutViewBase ("lay", "LayoutVi
"The image is drawn synchronously with the given width and height. Drawing may take some time. "
"Monochrome images don't have background or annotation objects currently.\n"
"\n"
"The 'linewidth' factor scales the layout style line widths.\n"
"\n"
"The 'oversampling' factor will use multiple passes passes to create a single image pixels. An "
"oversampling factor of 2 uses 2x2 virtual pixels to generate an output pixel. This results in a "
"smoother image. This however comes with a corresponding memory and run time penalty. "
"When using oversampling, you can set linewidth and resolution to 0. This way, line widths and stipple "
"pattern are scaled such that the resulting image is equivalent to the standard image.\n"
"\n"
"The 'resolution' is the pixel size used to translate font sizes and stipple pattern. A resolution of 0.5 "
"renders twice as large fonts and stipple pattern. When combining this value with an oversampling factor of 2 "
"and a line width factor of 2, the resulting image is an oversampled version of the standard image.\n"
"\n"
"Examples:\n"
"\n"
"@code\n"
"# standard image 500x500 pixels (oversampling as configured in the view)\n"
"layout_view.save_image_with_options(\"image.png\", 500, 500)\n"
"\n"
"# 2x oversampled image with 500x500 pixels\n"
"layout_view.save_image_with_options(\"image.png\", 500, 500, 0, 2, 0)\n"
"\n"
"# 2x scaled image with 1000x1000 pixels\n"
"layout_view.save_image_with_options(\"image.png\", 1000, 1000, 2, 1, 0.5)\n"
"@/code\n"
"\n"
"This method has been introduced in 0.23.10.\n"
) +
gsi::method_ext ("#save_as", &save_as2, gsi::arg ("index"), gsi::arg ("filename"), gsi::arg ("gzip"), gsi::arg ("options"),

6
src/laybasic/laybasic/layLayoutCanvas.cc
View File

@ -877,12 +877,12 @@ LayoutCanvas::image_with_options (unsigned int width, unsigned int height, int l
if (oversampling <= 0) {
oversampling = m_oversampling;
}
if (linewidth <= 0) {
linewidth = 1;
}
if (resolution <= 0.0) {
resolution = 1.0 / oversampling;
}
if (linewidth <= 0) {
linewidth = 1.0 / resolution + 0.5;
}
if (! background.is_valid ()) {
background = background_color ();
}