Run clang-tidy’s modernize-use-bool-literals pass.

This makes it clearer whether an integer or a boolean has to be passed
in this specific call.

8 files changed, 16 insertions, 16 deletions

diff --git a/src/extension/internal/cairo-renderer.cpp b/src/extension/internal/cairo-renderer.cpp
index c7cd35eb2..c06119391 100644
--- a/src/extension/internal/cairo-renderer.cpp
+++ b/src/extension/internal/cairo-renderer.cpp
@@ -403,7 +403,7 @@ static void sp_symbol_render(SPSymbol *symbol, CairoRenderContext *ctx)
     ctx->transform(symbol->c2p);
 
     // apply viewbox if set
-    if (0 /*symbol->viewBox_set*/) {
+    if (false /*symbol->viewBox_set*/) {
         Geom::Affine vb2user;
         double x, y, width, height;
         double view_width, view_height;
diff --git a/src/extension/internal/emf-inout.cpp b/src/extension/internal/emf-inout.cpp
index 549d4300e..e34d73cca 100644
--- a/src/extension/internal/emf-inout.cpp
+++ b/src/extension/internal/emf-inout.cpp
@@ -2920,7 +2920,7 @@ std::cout << "BEFORE DRAW"
                 }
             }
 
-            if (0 && strlen(tmp_str.str().c_str())) {
+            if (false && strlen(tmp_str.str().c_str())) {
                 tmp_outsvg << "   <!-- \"";
                 tmp_outsvg << tmp_str.str().c_str();
                 tmp_outsvg << "\" -->\n";
diff --git a/src/extension/internal/emf-print.cpp b/src/extension/internal/emf-print.cpp
index 548caea95..add2f0d37 100644
--- a/src/extension/internal/emf-print.cpp
+++ b/src/extension/internal/emf-print.cpp
@@ -245,7 +245,7 @@ unsigned int PrintEmf::begin(Inkscape::Extension::Print *mod, SPDocument *doc)
     }
 
 
-    if (1) {
+    if (true) {
         snprintf(buff, sizeof(buff) - 1, "Screen=%dx%dpx, %dx%dmm", PixelsX, PixelsY, MMX, MMY);
         rec = textcomment_set(buff);
         if (!rec || emf_append((PU_ENHMETARECORD)rec, et, U_REC_FREE)) {
@@ -1007,7 +1007,7 @@ void  PrintEmf::do_clip_if_present(SPStyle const *style){
         /*  find the first clip_ref at object or up the stack.  There may not be one. */
         SPClipPath *scp = nullptr;
         SPItem *item = SP_ITEM(style->object);
-        while(1) {
+        while(true) {
             scp = (item->clip_ref ? item->clip_ref->getObject() : nullptr);
             if(scp)break;
             item = SP_ITEM(item->parent);
@@ -1029,7 +1029,7 @@ void  PrintEmf::do_clip_if_present(SPStyle const *style){
                 */
                 Geom::Affine tf = item->transform;
                 SPItem *scan_item = item;
-                while(1) {
+                while(true) {
                    scan_item = SP_ITEM(scan_item->parent);
                    if(!scan_item)break;
                    tf *= scan_item->transform;
diff --git a/src/extension/internal/odf.cpp b/src/extension/internal/odf.cpp
index 18092873e..bd036da05 100644
--- a/src/extension/internal/odf.cpp
+++ b/src/extension/internal/odf.cpp
@@ -1696,8 +1696,8 @@ bool OdfOutput::writeTree(Writer &couts, Writer &souts,
     Glib::ustring outputStroke;
     Glib::ustring outputStyle;
     
-    processGradient(item, id, tf, gradientNameFill, outputFill, 1);
-    processGradient(item, id, tf, gradientNameStroke, outputStroke, 0);
+    processGradient(item, id, tf, gradientNameFill, outputFill, true);
+    processGradient(item, id, tf, gradientNameStroke, outputStroke, false);
     souts.writeUString(outputFill);
     souts.writeUString(outputStroke);
     
diff --git a/src/extension/internal/odf.h b/src/extension/internal/odf.h
index e92bc1249..691d6e1f7 100644
--- a/src/extension/internal/odf.h
+++ b/src/extension/internal/odf.h
@@ -311,7 +311,7 @@ private:
     bool processStyle(SPItem *item, const Glib::ustring &id, const Glib::ustring &gradientNameFill, const Glib::ustring &gradientNameStroke, Glib::ustring& output);
 
     bool processGradient(SPItem *item,
-                    const Glib::ustring &id, Geom::Affine &tf, Glib::ustring& gradientName, Glib::ustring& output, bool checkFillGradient = 1);
+                    const Glib::ustring &id, Geom::Affine &tf, Glib::ustring& gradientName, Glib::ustring& output, bool checkFillGradient = true);
 
     bool writeStyleHeader(Writer &outs);
 
diff --git a/src/extension/internal/pdfinput/pdf-parser.cpp b/src/extension/internal/pdfinput/pdf-parser.cpp
index b81d7abcb..5fa21263a 100644
--- a/src/extension/internal/pdfinput/pdf-parser.cpp
+++ b/src/extension/internal/pdfinput/pdf-parser.cpp
@@ -1759,7 +1759,7 @@ void PdfParser::doShadingPatternFillFallback(GfxShadingPattern *sPat,
   saveState();
 
   // clip to bbox
-  if (0 ){//shading->getHasBBox()) {
+  if (false ){//shading->getHasBBox()) {
     shading->getBBox(&xMin, &yMin, &xMax, &yMax);
     state->moveTo(xMin, yMin);
     state->lineTo(xMax, yMin);
@@ -2599,7 +2599,7 @@ void PdfParser::doShowText(const GooString *s) {
   builder->beginString(state);
 
   // handle a Type 3 char
-  if (font->getType() == fontType3 && 0) {//out->interpretType3Chars()) {
+  if (font->getType() == fontType3 && false) {//out->interpretType3Chars()) {
     mat = state->getCTM();
     for (int i = 0; i < 6; ++i) {
       oldCTM[i] = mat[i];
@@ -2644,7 +2644,7 @@ void PdfParser::doShowText(const GooString *s) {
       state->setCTM(newCTM[0], newCTM[1], newCTM[2], newCTM[3], x, y);
       //~ the CTM concat values here are wrong (but never used)
       //out->updateCTM(state, 1, 0, 0, 1, 0, 0);
-      if (0){ /*!out->beginType3Char(state, curX + riseX, curY + riseY, tdx, tdy,
+      if (false){ /*!out->beginType3Char(state, curX + riseX, curY + riseY, tdx, tdy,
 			       code, u, uLen)) {*/
 #if defined(POPPLER_NEW_OBJECT_API)
 	charProc = ((Gfx8BitFont *)font)->getCharProc(code);
diff --git a/src/extension/internal/pdfinput/svg-builder.cpp b/src/extension/internal/pdfinput/svg-builder.cpp
index c8e24a5e1..3fdc3db55 100644
--- a/src/extension/internal/pdfinput/svg-builder.cpp
+++ b/src/extension/internal/pdfinput/svg-builder.cpp
@@ -1255,7 +1255,7 @@ void SvgBuilder::_flushText() {
     Glib::ustring text_buffer;
 
     // Output all buffered glyphs
-    while (1) {
+    while (true) {
         const SvgGlyph& glyph = (*i);
         std::vector<SvgGlyph>::iterator prev_iterator = i - 1;
         // Check if we need to make a new tspan
diff --git a/src/extension/internal/wmf-inout.cpp b/src/extension/internal/wmf-inout.cpp
index db7c9c9ce..bcc8aea85 100644
--- a/src/extension/internal/wmf-inout.cpp
+++ b/src/extension/internal/wmf-inout.cpp
@@ -1252,8 +1252,8 @@ Wmf::delete_object(PWMF_CALLBACK_DATA d, int index)
             d->dc[d->level].style.font_size.computed                = 16.0;
             d->dc[d->level].style.font_weight.value                 = SP_CSS_FONT_WEIGHT_400;
             d->dc[d->level].style.font_style.value                  = SP_CSS_FONT_STYLE_NORMAL;
-            d->dc[d->level].style.text_decoration_line.underline    = 0;
-            d->dc[d->level].style.text_decoration_line.line_through = 0;
+            d->dc[d->level].style.text_decoration_line.underline    = false;
+            d->dc[d->level].style.text_decoration_line.line_through = false;
             d->dc[d->level].style.baseline_shift.value              = 0;
         }
 
@@ -3119,8 +3119,8 @@ Wmf::open( Inkscape::Extension::Input * /*mod*/, const gchar *uri )
     d.dc[0].style.font_size.computed           = 16.0;
     d.dc[0].style.font_weight.value            = SP_CSS_FONT_WEIGHT_400;
     d.dc[0].style.font_style.value             = SP_CSS_FONT_STYLE_NORMAL;
-    d.dc[0].style.text_decoration_line.underline    = 0;
-    d.dc[0].style.text_decoration_line.line_through = 0;
+    d.dc[0].style.text_decoration_line.underline    = false;
+    d.dc[0].style.text_decoration_line.line_through = false;
     d.dc[0].style.baseline_shift.value         = 0;
 
     // Default pen, WMF files that do not specify a pen are unlikely to look very good!