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added: a new winix function: imgcrop

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for cropping images (and thumbnails)
       www.domain.com/dir/file.jpg/imgcrop  -- crop an image
       www.domain.com/dir/file.jpg/imgcrop/thumb  -- crop an image's thumbnail
       www.domain.com/dir/file.jpg/imgcrop/newthumb  -- crop and create a new thumbnail (from an original image)
       www.domain.com/dir/imgcrop -- show images' list with above options
added: to Image class: some methods for cropping




git-svn-id: svn://ttmath.org/publicrep/winix/trunk@919 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
Tomasz Sowa
2013-03-29 22:03:28 +00:00
parent 8d9a021eab
commit 495499d12f
27 changed files with 1374 additions and 793 deletions
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101
functions/imgcrop.cpp Executable file
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/*
* This file is a part of Winix
* and is not publicly distributed
*
* Copyright (c) 2013, Tomasz Sowa
* All rights reserved.
*
*/
#include "imgcrop.h"
#include "functions.h"
namespace Fun
{
ImgCrop::ImgCrop()
{
fun.url = L"imgcrop";
}
bool ImgCrop::HasAccess()
{
if( cur->request->is_item )
return system->HasWriteAccess(cur->request->item);
return true;
}
void ImgCrop::GetDirContent()
{
iq.sel_content = false;
iq.WhereParentId(cur->request->dir_tab.back()->id);
db->GetItems(cur->request->item_tab, iq);
system->CheckWriteAccessToItems(cur->request->item_tab);
}
void ImgCrop::MakePost()
{
int xoffset = int(Tod(cur->request->PostVar(L"cropxtop")) + 0.5);
int yoffset = int(Tod(cur->request->PostVar(L"cropytop")) + 0.5);
int width = int(Tod(cur->request->PostVar(L"cropwidth")) + 0.5);
int height = int(Tod(cur->request->PostVar(L"cropheight")) + 0.5);
SetMinMax(xoffset, 0, 30000);
SetMinMax(yoffset, 0, 30000);
SetMinMax(width, 1, 30000);
SetMinMax(height, 1, 30000);
Item & item = cur->request->item;
if( cur->request->is_item && item.type == Item::file && item.file_type == WINIX_ITEM_FILETYPE_IMAGE )
{
if( system->HasWriteAccess(item) )
{
// !! IMPROVE ME add info about modification (Item::modify_time)
if( cur->request->IsParam(L"thumb") )
{
Image::Scale scale = system->image.GetThumbScale(item.parent_id);
system->image.CropThumb(item.id, xoffset, yoffset, width, height, scale.quality);
}
else
if( cur->request->IsParam(L"newthumb") )
{
Image::Scale scale = system->image.GetThumbScale(item.parent_id);
system->image.CropNewThumb(item.id, xoffset, yoffset, width, height, scale.cx, scale.cy,
scale.aspect_mode, scale.quality);
}
else
{
Image::Scale scale = system->image.GetImageScale(item.parent_id);
system->image.Crop(item.id, xoffset, yoffset, width, height, scale.quality);
}
// !! IMPROVE ME redirect me somewhere else
system->RedirectToLastItem();
}
else
{
cur->request->status = WINIX_ERR_PERMISSION_DENIED;
}
}
}
void ImgCrop::MakeGet()
{
if( !cur->request->is_item )
GetDirContent();
}
} // namespace