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ColumnDisplayFormatDialog: Added SpatiaLite geometry to SVG Display Format

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The new Display Format should convert SpatiaLite geometry (BLOB) into SVG.
By default the geometry is scaled to 320 pixels (0..319)
This commit is contained in:
Nikolay Zlatev
2021-07-12 16:38:09 +03:00
parent 64d86a0e92
commit 4e5f117851
1 changed files with 11 additions and 0 deletions
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src/ColumnDisplayFormatDialog.cpp
+11
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@@ -36,6 +36,7 @@ ColumnDisplayFormatDialog::ColumnDisplayFormatDialog(DBBrowserDB& db, const sqlb
ui->comboDisplayFormat->addItem(tr("Upper case"), "upper");
ui->comboDisplayFormat->insertSeparator(ui->comboDisplayFormat->count());
ui->comboDisplayFormat->addItem(tr("Binary GUID to text"), "guid");
ui->comboDisplayFormat->addItem(tr("SpatiaLite Geometry to SVG"), "geomToSVG");
ui->comboDisplayFormat->insertSeparator(ui->comboDisplayFormat->count());
ui->comboDisplayFormat->addItem(tr("Custom"), "custom");
@@ -70,6 +71,16 @@ ColumnDisplayFormatDialog::ColumnDisplayFormatDialog(DBBrowserDB& db, const sqlb
"substr(hex(" + e_column_name + "), 13, 2) || '-' || " +
"substr(hex(" + e_column_name + "), 17, 4) || '-' || " +
"substr(hex(" + e_column_name + "), 21, 12)";
formatFunctions["geomToSVG"] = QString(
R"('<svg xmlns="http://www.w3.org/2000/svg">'
|| '<path d="'
|| AsSVG(
ScaleCoords(
ST_Translate(%1, -St_MinX(%1), -St_MaxY(%1), 0)
, 319 / (MAX(St_MaxX(%1) - St_MinX(%1), St_MaxY(%1) - St_MinY(%1))))
, 1, 5)
|| '" stroke="darkblue" fill="#b5cfed" stroke-width="1"/>'
|| '</svg>')").arg(e_column_name);
// Set the current format, if it's empty set the default format
if(current_format.isEmpty())