class CancelImageEditAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(INoOptions)
name = _(u"Cancel")
description = _(u"Cancel the current edit.")
skip_apply = True
icon = u"++resource++imageeditor/icons/process-stop.png"
def on_setup(self):
return """
function cancel_reload(data){
var btn = $('#cancel-button');
if(data.can_save){
btn[0].disabled = false;
btn.removeClass('disabled');
}else{
btn[0].disabled = true;
btn.addClass('disabled');
}
}
on('after_image_reload').accomplish(cancel_reload);
cancel_reload(IMAGE_INFORMATION);
"""
def __call__(self, *args, **kwargs):
self.editor.clear_edits()
class UndoAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(INoOptions)
name = _(u"Undo")
description = _(u"Go back to the previous change.")
skip_apply = True
icon = u"++resource++imageeditor/icons/edit-undo.png"
def on_setup(self):
return """
function undo_reload(data){
var btn = $('#undo-button');
if(data.can_undo){
btn[0].disabled = false;
btn.removeClass('disabled');
}else{
btn[0].disabled = true;
btn.addClass('disabled');
}
}
on('after_image_reload').accomplish(undo_reload);
undo_reload(IMAGE_INFORMATION);
"""
def __call__(self, *args, **kwargs):
self.editor.undo()
class FlipOnHorizontalAxisAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(INoOptions)
name = _(u"Flip Horizontally")
description = _(u"Flip the image on the horizontal axis.")
skip_apply = True
icon = u"++resource++imageeditor/icons/stock-tool-flip-16.png"
def __call__(self, *args, **kwargs):
original = self.editor.get_current_image()
image = original.transpose(Image.FLIP_LEFT_RIGHT)
self.editor.set_image(image, original.format)
class FlipOnVerticalAxisAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(INoOptions)
name = _(u"Flip Vertical")
description = _(u"Flip the image on vertically.")
skip_apply = True
icon = u"++resource++imageeditor/icons/stock-tool-rotate-16.png"
def __call__(self, *args, **kwargs):
original = self.editor.get_current_image()
image = original.transpose(Image.FLIP_TOP_BOTTOM)
self.editor.set_image(image, original.format)
class RotateRightAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(INoOptions)
name = _(u"Rotate Right")
description = _(u"Rotate the image right.")
skip_apply = True
icon = u"++resource++imageeditor/icons/stock-rotate-90-16.png"
def __call__(self, *args, **kwargs):
original = self.editor.get_current_image()
image = original.rotate(270)
self.editor.set_image(image, original.format)
class SharpenAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(ISharpenOptions)
options['amount'].custom_widget = SliderWidget
name = _(u"Sharpen")
description = _(u"Sharpen the image.")
icon = u"++resource++imageeditor/icons/stock-tool-colorize-16.png"
def __call__(self, amount, *args, **kwargs):
image = self.editor.get_current_image()
enhancer = ImageEnhance.Sharpness(image)
newImage = enhancer.enhance(int(amount))
self.editor.set_image(newImage, image.format)
class ContrastAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(IContrastOptions)
options['amount'].custom_widget = SliderWidget
name = _(u"Contrast")
description = _(u"Change the contrast of the image.")
icon = u"++resource++imageeditor/icons/stock-tool-contrast-16.png"
def __call__(self, amount, *args, **kwargs):
image = self.editor.get_current_image()
enhancer = ImageEnhance.Contrast(image)
newImage = enhancer.enhance((float(amount) / 100) * 2.0)
self.editor.set_image(newImage, image.format)
class BrightnessAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(IBrightnessOptions)
options['amount'].custom_widget = SliderWidget
name = _(u"Brightness")
description = _(u"Change the brightness of the image.")
icon = u"++resource++imageeditor/icons/stock-tool-brightness-16.png"
def __call__(self, amount, *args, **kwargs):
image = self.editor.get_current_image()
enhancer = ImageEnhance.Brightness(image)
#can enhance from 0.0-2.0, 1.0 being original image
newImage = enhancer.enhance((float(amount) / 100) * 2.0)
self.editor.set_image(newImage, image.format)
class BlurAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(IBlurOptions)
options['amount'].custom_widget = SliderWidget
name = _(u"Blur")
description = _(u"Blur this image.")
icon = u"++resource++imageeditor/icons/stock-tool-blur-16.png"
def __call__(self, amount, *args, **kwargs):
image = self.editor.get_current_image()
fmt = image.format
for x in range(0, int(amount)):
image = image.filter(ImageFilter.BLUR)
self.editor.set_image(image, fmt)
class CompressAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(ICompressOptions)
options['amount'].custom_widget = SliderWidget
name = _(u"Compress")
description = _(u"Compress this image to make it lower quality.")
icon = u"++resource++imageeditor/icons/stock-template-16.png"
def __call__(self, amount, *args, **kwargs):
# if it is a png, convert it...
image = self.editor.get_current_image().convert('RGB')
try:
self.editor.set_image(image, quality=float(amount))
except TypeError: # Pillow 2.2 will raise ValueError instead
self.editor.set_image(image, quality=int(amount))
class DropShadowAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(IDropShadowOptions)
name = _(u"Drop Shadow")
description = _(u"Adds a drop shadow to the image.")
icon = u"++resource++imageeditor/icons/stock-transparency-16.png"
def __call__(self, offset_x, offset_y, background_color, shadow_color,
border, iterations, *args, **kwargs):
# convert to png if it isn't--shadow won't work without this.
image = self.editor.get_current_image().convert('RGB')
offset = (int(offset_x), int(offset_y))
# precaution in case code is attempted to be injected
background = eval("0x" + background_color[:6])
# precaution in case code is attempted to be injected
shadow = eval("0x" + shadow_color[:6])
border = int(border)
iterations = int(iterations)
# Create the backdrop image -- a box in the background colour with a
# shadow on it.
totalWidth = image.size[0] + abs(offset[0]) + 2 * border
totalHeight = image.size[1] + abs(offset[1]) + 2 * border
back = Image.new(image.mode, (totalWidth, totalHeight), background)
# Place the shadow, taking into account the offset from the image
shadowLeft = border + max(offset[0], 0)
shadowTop = border + max(offset[1], 0)
back.paste(
shadow,
[shadowLeft, shadowTop,
shadowLeft + image.size[0], shadowTop + image.size[1]]
)
# Apply the filter to blur the edges of the shadow. Since a small
# kernel is used, the filter must be applied repeatedly to get a
# decent blur.
for n in range(0, iterations):
back = back.filter(ImageFilter.BLUR)
# Paste the input image onto the shadow backdrop
imageLeft = border - min(offset[0], 0)
imageTop = border - min(offset[1], 0)
back.paste(image, (imageLeft, imageTop))
self.editor.set_image(back)
class SaveAsImageEditAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(ISaveAsOptions)
name = _(u"Save As")
description = _(u"Save the edited image as another content item.")
icon = None
def on_setup(self):
return """
function redirect(data){
if(data.previous_action == 'save-as'){
window.location = data.new_type_location;
}
}
on('after_image_reload').accomplish(redirect);
"""
def __call__(self, type_to_save_as="Image", title=None,
*args, **kwargs):
"""
create the new type, pass along the url to the client and then
the javascript will redirect the browser
"""
if not title:
title = self.editor.context.Title()
parent = self.editor.context.getParentNode()
new_id = orig_id = queryUtility(IURLNormalizer).normalize(title)
count = 1
while new_id in parent.objectIds():
new_id = orig_id + "-" + str(count)
count += count
parent.invokeFactory(
type_to_save_as,
new_id,
title=title,
image=self.editor.get_current_image_data()
)
return {
'new_type_location': parent.absolute_url() + "/" + new_id + "/edit"
}
class SepiaAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(ISepiaOptions)
options['red'].custom_widget = SliderWidget
options['green'].custom_widget = SliderWidget
options['blue'].custom_widget = SliderWidget
name = _(u"Sepia")
description = _(u"Applies the sepia effect to the image.")
icon = None
def make_linear_ramp(self, white):
# putpalette expects [r,g,b,r,g,b,...]
ramp = []
r, g, b = white
for i in range(255):
ramp.extend((r * i / 255, g * i / 255, b * i / 255))
return ramp
def __call__(self, red, green, blue, *args, **kwargs):
"""
found at http://effbot.org/zone/pil-sepia.htm
"""
sepia = self.make_linear_ramp((int(red), int(green), int(blue)))
image = self.editor.get_current_image()
# convert to grayscale
if image.mode != "L":
image = image.convert("L")
# optional: apply contrast enhancement here, e.g.
image = ImageOps.autocontrast(image)
# apply sepia palette
image.putpalette(sepia)
# convert back to RGB so we can save it as JPEG
# (alternatively, save it in PNG or similar)
image = image.convert("RGB")
self.editor.set_image(image)
class SaveImageEditAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(INoOptions)
name = _(u"Save")
description = _(u"Save the edited image.")
skip_apply = True
icon = u"++resource++imageeditor/icons/apply.png"
def on_setup(self):
return """
function save_reload(data){
var btn = $('#save-button');
if(data.can_save){
btn[0].disabled = false;
btn.removeClass('disabled');
}else{
btn[0].disabled = true;
btn.addClass('disabled');
}
}
on('after_image_reload').accomplish(save_reload);
save_reload(IMAGE_INFORMATION);
"""
def __call__(self, *args, **kwargs):
portal_repository = getToolByName(
self.editor.context, 'portal_repository')
if portal_repository.isVersionable(self.editor.context):
portal_repository.save(
self.editor.context, comment="saved from image editor")
self.editor.save_edit()
self.editor.context.reindexObject() # stop image caching on browser
def get_options(self):
html = ''
for name, action in self.actions:
html += '<div class="image-edit-action" id="%s-options">' % name
widgets = form.setUpInputWidgets(
action.options,
name,
self.context,
self.request,
ignore_request=True
)
for widget in widgets:
html += """
<div class="edit-option">
<label class="formQuestion" for="%s.%s">%s</label>
<div class="formHelp">%s</div>
%s
</div>
""" % (
name,
widget.name,
widget.context.title.default,
widget.context.description.default,
widget()
)
if not action.skip_apply:
html += """
<input type="button" id="%(name)s-apply-button"
class="image-edit-apply-button" name="%(name)s"
value="Apply"
/>
""" % {'name': _(name)}
html += '</div>'
return html
class CropAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(INoOptions)
name = _(u"Crop")
description = _(u"Crop the image.")
icon = u"++resource++imageeditor/icons/stock-selection-intersect-16.png"
def on_setup(self):
return """
function add_crop(){
var w = $('#source-image').width(), h = $('#source-image').height();
start_selection = {
x1: w/4,
y1: h/4,
x2: w-w/4,
y2: h-h/4
};
window.crop_selection = start_selection;
function create_cropper(ratio){
var options = {
onSelectChange: function(image, selection){
window.crop_selection = selection;
},
enable: true,
border: 2,
handles: true,
show: true,
parent: '#image-container',
x1 : start_selection.x1,
y1 : start_selection.y1,
x2 : start_selection.x2,
y2 : start_selection.y2
}
if(ratio != null){
options.aspectRatio = ratio;
}
$('#source-image').imgAreaSelect(options);
}
create_cropper(null);
$("#aspect-ratio-selector").dialog({
position : 'right',
title : "Aspect Ratio",
autoOpen:true,
resizable:false,
modal: false,
draggable: true,
width:200,
buttons: {
"Manual" : function(){
$('#source-image').imgAreaSelect({enable: false, remove: true, hide: true});
create_cropper(null);
},
"3:2" : function(){
$('#source-image').imgAreaSelect({enable: false, remove: true, hide: true});
create_cropper("3:2");
},
"4:3" : function(){
$('#source-image').imgAreaSelect({enable: false, remove: true,hide: true});
create_cropper("4:3");
},
"16:9" : function(){
$('#source-image').imgAreaSelect({enable: false, remove: true,hide: true});
create_cropper("16:9");
},
"5:4" : function(){
$('#source-image').imgAreaSelect({enable: false, remove: true,hide: true});
create_cropper("5:4");
},
"1:1" : function(){
$('#source-image').imgAreaSelect({enable: false, remove: true,hide: true});
create_cropper("1:1");
}
}
});
}
function remove_crop(){
$('#source-image').imgAreaSelect({ enable: false, remove: true, hide: true });
try{
$("#aspect-ratio-selector").dialog('destroy');
}catch(e){
//nothing
}
}
on('action_button_clicked').accomplish(function(btn){
if($(btn).attr('id') == "crop-button"){
add_crop();
}else{
remove_crop();
}
});
on('before_image_reload').accomplish(function(){
remove_crop();
});
on('before_image_zoom_change').accomplish(function(params){
var active_btn = $('input.edit-button.active');
if(active_btn.attr('id') == 'crop-button'){
remove_crop();
}
});
on('after_image_zoom_change').accomplish(function(params){
var active_btn = $('input.edit-button.active');
if(active_btn.attr('id') == 'crop-button'){
add_crop();
}
});
"""
def action_parameters(self):
return """(function(){
var cs = {};
var zoom = parseFloat(jQuery("#zoom-slider-value").attr('value'));
cs['crop.x1'] = window.crop_selection.x1/zoom;
cs['crop.x2'] = window.crop_selection.x2/zoom;
cs['crop.y1'] = window.crop_selection.y1/zoom;
cs['crop.y2'] = window.crop_selection.y2/zoom;
return cs;
})"""
def __call__(self, x1, y1, x2, y2, *args, **kwargs):
image = self.editor.get_current_image()
box = (int(float(x1)), int(float(y1)), int(float(x2)), int(float(y2)))
new_image = image.crop(box=box)
new_image.load()
self.editor.set_image(new_image, image.format)
from Products.ImageEditor import imageeditor_message_factory as _ Apply = _(u'Apply')
class ResizeAction(BaseImageEditorAction):
implements(IImageEditorAction)
options = form.FormFields(INoOptions)
name = _(u"Resize")
description = _(u"Resize the image..")
icon = u"++resource++imageeditor/icons/stock-resize-16.png"
def on_setup(self):
return """
function add_resize(){
$('#image-container')[0].scrollTop = 5000;
$('#image-container')[0].scrollLeft = 5000;
function create_resizable(){
var opts = {
handles: 'all',
resize: function(e, ui){
//nothing
}
};
var ar = $('#resize-ar');
if(ar[0].checked){
opts['aspectRatio'] =
IMAGE_INFORMATION.width/IMAGE_INFORMATION.height;
}
$('#source-image').resizable(opts);
}
create_resizable();
$('#resize-to-fields').dialog({
autoOpen:true,
resizable:false,
modal: false,
draggable: true,
title: "Manual Resize",
zindex: 999999,
position: 'right',
buttons: {
Resize: function() {
$('#source-image').resizable('destroy');
var width = $('#resize-width').val();
var height = $('#resize-height').val();
if(isNaN(width) || isNaN(height)){
alert("You must enter a number for the width and height.");
}else{
var zoom = parseFloat(
jQuery("#zoom-slider-value").attr('value'));
$('#source-image').width(
Math.floor(parseInt(width)*zoom) + "px");
$('#source-image').height(
Math.floor(parseInt(height)*zoom) + "px");
}
create_resizable();
},
Close: function() {
$(this).dialog('close');
}
}
});
$('#resize-ar').change(function(){
remove_resize();
add_resize();
});
}
function remove_resize(){
try{
$('#source-image').resizable('destroy');
}catch(e){
//nothing
}
try{
$('#resize-to-fields').dialog('destroy');
}catch(e){
//nothing
}
}
on('action_button_clicked').accomplish(function(btn){
if($(btn).attr('id') == "resize-button"){
add_resize();
}else{
remove_resize();
}
});
on('before_image_reload').accomplish(function(){
remove_resize();
});
on('before_image_zoom_change').accomplish(function(params){
var active_btn = $('input.edit-button.active');
if(active_btn.attr('id') == 'resize-button'){
remove_resize();
}
});
on('after_image_zoom_change').accomplish(function(params){
var active_btn = $('input.edit-button.active');
if(active_btn.attr('id') == 'resize-button'){
add_resize();
}
});
"""
def action_parameters(self):
return """(function(){
var res = {};
var zoom = parseFloat(jQuery("#zoom-slider-value").attr('value'));
res['resize.width'] = jQuery('#source-image').width()/zoom;
res['resize.height'] = jQuery('#source-image').height()/zoom;
return res;
})"""
def __call__(self, width, height, *args, **kwargs):
image = self.editor.get_current_image()
size = (int(float(width)), int(float(height)))
new_image = image.resize(size, Image.ANTIALIAS)
self.editor.set_image(new_image, image.format)
