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Add CODE_PADDING and use it for code blocks.

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Michael R Sweet 2024-12-21 12:16:36 -05:00
parent a1237db52c
commit 62df5f5c78
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GPG Key ID: BE67C75EC81F3244
1 changed files with 17 additions and 5 deletions
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22
examples/md2pdf.c
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@ -209,6 +209,8 @@ static const char * const docfont_names[] =
"FM" "FM"
}; };
#define CODE_PADDING 4.5 // Padding for code blocks
#define IMAGE_PPI 100.0 // Pixels per inch for images #define IMAGE_PPI 100.0 // Pixels per inch for images
#define LINE_HEIGHT 1.4 // Multiplier for line height #define LINE_HEIGHT 1.4 // Multiplier for line height
@ -830,15 +832,20 @@ format_code(docdata_t *dd, // I - Document data
margin_top = (1.0 - LINE_HEIGHT) * lineheight; margin_top = (1.0 - LINE_HEIGHT) * lineheight;
} }
dd->y -= lineheight + margin_top; dd->y -= lineheight + margin_top + CODE_PADDING;
if ((dd->y - lineheight) < dd->art_box.y1) if ((dd->y - lineheight) < dd->art_box.y1)
{ {
new_page(dd); new_page(dd);
dd->y -= lineheight / LINE_HEIGHT; dd->y -= lineheight / LINE_HEIGHT + CODE_PADDING;
} }
// Draw the top padding...
set_color(dd, DOCCOLOR_LTGRAY);
pdfioContentPathRect(dd->st, left - CODE_PADDING, dd->y + SIZE_CODEBLOCK, right - left + 2.0 * CODE_PADDING, CODE_PADDING);
pdfioContentFillAndStroke(dd->st, false);
// Start a code text block... // Start a code text block...
set_font(dd, DOCFONT_MONOSPACE, SIZE_CODEBLOCK); set_font(dd, DOCFONT_MONOSPACE, SIZE_CODEBLOCK);
pdfioContentTextBegin(dd->st); pdfioContentTextBegin(dd->st);
@ -847,7 +854,7 @@ format_code(docdata_t *dd, // I - Document data
for (code = mmdGetFirstChild(block); code; code = mmdGetNextSibling(code)) for (code = mmdGetFirstChild(block); code; code = mmdGetNextSibling(code))
{ {
set_color(dd, DOCCOLOR_LTGRAY); set_color(dd, DOCCOLOR_LTGRAY);
pdfioContentPathRect(dd->st, left - 3.0, dd->y - (LINE_HEIGHT - 1.0) * SIZE_CODEBLOCK, right - left + 6.0, lineheight); pdfioContentPathRect(dd->st, left - CODE_PADDING, dd->y - (LINE_HEIGHT - 1.0) * SIZE_CODEBLOCK, right - left + 2.0 * CODE_PADDING, lineheight);
pdfioContentFillAndStroke(dd->st, false); pdfioContentFillAndStroke(dd->st, false);
set_color(dd, DOCCOLOR_RED); set_color(dd, DOCCOLOR_RED);
@ -863,7 +870,7 @@ format_code(docdata_t *dd, // I - Document data
new_page(dd); new_page(dd);
set_font(dd, DOCFONT_MONOSPACE, SIZE_CODEBLOCK); set_font(dd, DOCFONT_MONOSPACE, SIZE_CODEBLOCK);
dd->y -= lineheight; dd->y -= lineheight / LINE_HEIGHT;
pdfioContentTextBegin(dd->st); pdfioContentTextBegin(dd->st);
pdfioContentTextMoveTo(dd->st, left, dd->y); pdfioContentTextMoveTo(dd->st, left, dd->y);
@ -873,6 +880,11 @@ format_code(docdata_t *dd, // I - Document data
// End the current text block... // End the current text block...
pdfioContentTextEnd(dd->st); pdfioContentTextEnd(dd->st);
dd->y += lineheight; dd->y += lineheight;
// Draw the bottom padding...
set_color(dd, DOCCOLOR_LTGRAY);
pdfioContentPathRect(dd->st, left - CODE_PADDING, dd->y - CODE_PADDING - (LINE_HEIGHT - 1.0) * SIZE_CODEBLOCK, right - left + 2.0 * CODE_PADDING, CODE_PADDING);
pdfioContentFillAndStroke(dd->st, false);
} }
@ -998,7 +1010,7 @@ format_doc(docdata_t *dd, // I - Document data
break; break;
case MMD_TYPE_CODE_BLOCK : case MMD_TYPE_CODE_BLOCK :
format_code(dd, current, left + 36.0, right - 36.0); format_code(dd, current, left + CODE_PADDING, right + CODE_PADDING);
break; break;
} }
} }