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Code Issues Activity Actions

FileManager: Add basic thumbnailing of PNG images.

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These use nearest neighbor and are computed synchronously on directory load
so it's neither fast nor very beautiful. These issues both need work on
other parts of the system to fix.
This commit is contained in:
Andreas Kling 2019-03-23 12:37:33 +01:00
parent 1355d09c72
commit 92627154a7
3 changed files with 17 additions and 2 deletions
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16
Applications/FileManager/DirectoryModel.cpp
View file

@ -6,6 +6,8 @@
#include <pwd.h>
#include <AK/FileSystemPath.h>
#include <AK/StringBuilder.h>
#include <SharedGraphics/GraphicsBitmap.h>
#include <SharedGraphics/Painter.h>
DirectoryModel::DirectoryModel()
{
@ -79,8 +81,18 @@ const GraphicsBitmap& DirectoryModel::icon_for(const Entry& entry) const
return *m_socket_icon;
if (entry.mode & S_IXUSR)
return *m_executable_icon;
if (entry.name.ends_with(".png"))
return *m_filetype_image_icon;
if (entry.name.ends_with(".png")) {
if (!entry.thumbnail) {
if (auto png_bitmap = GraphicsBitmap::load_from_file(entry.full_path(*this))) {
entry.thumbnail = GraphicsBitmap::create(png_bitmap->format(), { 32, 32 });
Painter painter(*entry.thumbnail);
painter.draw_scaled_bitmap(entry.thumbnail->rect(), *png_bitmap, png_bitmap->rect());
}
}
if (!entry.thumbnail)
return *m_filetype_image_icon;
return *entry.thumbnail;
}
return *m_file_icon;
}