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PDFViewer: Add some padding to the outside of the page

This commit is contained in:
Matthew Olsson 2021-05-10 14:06:16 -07:00 committed by Andreas Kling
parent c3c2121b57
commit fe2d4d85c4

View file

@ -9,6 +9,8 @@
#include <LibGUI/Painter.h>
#include <LibPDF/Renderer.h>
static constexpr int PAGE_PADDING = 25;
PDFViewer::PDFViewer()
{
set_should_hide_unnecessary_scrollbars(true);
@ -130,12 +132,12 @@ RefPtr<Gfx::Bitmap> PDFViewer::render_page(const PDF::Page& page)
{
auto zoom_scale_factor = static_cast<float>(zoom_levels[m_zoom_level]) / 100.0f;
float page_width = page.media_box.upper_right_x - page.media_box.lower_left_x;
float page_height = page.media_box.upper_right_y - page.media_box.lower_left_y;
float page_scale_factor = page_height / page_width;
auto page_width = page.media_box.upper_right_x - page.media_box.lower_left_x;
auto page_height = page.media_box.upper_right_y - page.media_box.lower_left_y;
auto page_scale_factor = page_height / page_width;
float width = 300.0f * zoom_scale_factor;
float height = width * page_scale_factor;
auto height = static_cast<float>(this->height() - 2 * frame_thickness() - PAGE_PADDING * 2) * zoom_scale_factor;
auto width = height / page_scale_factor;
auto bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRA8888, { width, height });
PDF::Renderer::render(*m_document, page, bitmap);