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added a page scaler to the inline pdf viewer

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hyung-hwan 2016-03-01 03:23:20 +00:00
parent 638f358d48
commit 2a8c8d51b9
1 changed files with 15 additions and 1 deletions
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14
codepot/src/codepot/views/code_file.php
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@ -127,6 +127,7 @@ var pdf_rendering_in_progress = false;
var pdf_page_num_pending = null; var pdf_page_num_pending = null;
var pdf_canvas = null; var pdf_canvas = null;
var pdf_ctx = null; var pdf_ctx = null;
var pdf_scale = "fw";
function render_pdf_page (num) function render_pdf_page (num)
{ {
@ -134,7 +135,11 @@ function render_pdf_page (num)
// Using promise to fetch the page // Using promise to fetch the page
pdf_doc.getPage(num).then(function(page) { pdf_doc.getPage(num).then(function(page) {
var vp1 = page.getViewport (1); var vp1 = page.getViewport (1);
var scale;
if (pdf_scale == "fw")
scale = ($('#code_file_result').innerWidth() - 20) / vp1.width; scale = ($('#code_file_result').innerWidth() - 20) / vp1.width;
else
scale = parseFloat (pdf_scale);
var viewport = page.getViewport(scale); var viewport = page.getViewport(scale);
pdf_canvas.height = viewport.height; pdf_canvas.height = viewport.height;
pdf_canvas.width = viewport.width; pdf_canvas.width = viewport.width;
@ -320,6 +325,11 @@ $(function () {
queue_pdf_rendering_in_progress (pdf_page_num); queue_pdf_rendering_in_progress (pdf_page_num);
}); });
$('#code_file_pdf_scale').change (function () {
pdf_scale = this.value;
queue_pdf_rendering_in_progress (pdf_page_num);
});
}); });
<?php elseif ($is_odf_file): ?> <?php elseif ($is_odf_file): ?>
@ -565,6 +575,10 @@ if ($login['settings'] != NULL &&
print '<span id="code_file_pdf_page"><span id="code_file_pdf_page_num"></span>/<span id="code_file_pdf_page_count"></span></span>'; print '<span id="code_file_pdf_page"><span id="code_file_pdf_page_num"></span>/<span id="code_file_pdf_page_count"></span></span>';
print '<button id="code_file_pdf_next_page"><i class="fa fa-forward"></i></button>'; print '<button id="code_file_pdf_next_page"><i class="fa fa-forward"></i></button>';
print '<button id="code_file_pdf_last_page"><i class="fa fa-fast-forward"></i></button>'; print '<button id="code_file_pdf_last_page"><i class="fa fa-fast-forward"></i></button>';
print '<select id="code_file_pdf_scale">';
print '<option value="fw">Full-width</option>';
for ($i = 50; $i <= 200; $i += 10) printf ('<option value="%f">%d%%</option>', $i / 100, $i);
print '</select>';
print '</div>'; print '</div>';
print '<canvas id="code_file_pdf_canvas" style="border:1px solid black;"/>'; print '<canvas id="code_file_pdf_canvas" style="border:1px solid black;"/>';
} }