mirror of
https://github.com/amyinspace/MagicSetEditor2.git
synced 2026-06-10 04:57:00 -04:00
Brendan Hagan
727 lines
27 KiB
C++
727 lines
27 KiB
C++
//+----------------------------------------------------------------------------+
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//| Description: Magic Set Editor - Program to make Magic (tm) cards |
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//| Copyright: (C) Twan van Laarhoven and the other MSE developers |
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//| License: GNU General Public License 2 or later (see file COPYING) |
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//+----------------------------------------------------------------------------+
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// ----------------------------------------------------------------------------- : Includes
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#include <util/prec.hpp>
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#include <gui/image_slice_window.hpp>
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#include <gui/util.hpp>
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#include <util/window_id.hpp>
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#include <util/rotation.hpp>
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#include <gfx/gfx.hpp>
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#include <wx/spinctrl.h>
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#include <wx/dcbuffer.h>
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// ----------------------------------------------------------------------------- : ImageSlice
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ImageSlice::ImageSlice(const Image& source, const wxSize& target_size)
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: source(source), target_size(target_size)
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, selection(0, 0, source.GetWidth(), source.GetHeight())
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, allow_outside(false), aspect_fixed(true)
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, sharpen(false), sharpen_amount(25)
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{}
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void ImageSlice::constrain(PreferedProperty prefer) {
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sharpen_amount = min(100, max(0, sharpen_amount));
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// minimum size
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selection.width = max(1, selection.width);
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selection.height = max(1, selection.height);
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// inside source
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if (!allow_outside) {
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selection.width = min(selection.width, source.GetWidth());
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selection.height = min(selection.height, source.GetHeight());
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selection.x = max(selection.x, 0);
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selection.y = max(selection.y, 0);
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selection.x = min(selection.x, source.GetWidth() - selection.width);
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selection.y = min(selection.y, source.GetHeight() - selection.height);
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}
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// fix aspect ratio
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if (aspect_fixed) {
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int diff = selection.width * target_size.GetHeight() - selection.height * target_size.GetWidth();
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if ((diff > 0 && prefer != PREFER_WIDTH) || prefer == PREFER_HEIGHT) {
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// too wide
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selection.width -= int(diff / target_size.GetHeight());
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} else {
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// too high
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selection.height -= int(-diff / target_size.GetWidth());
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}
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}
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}
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void ImageSlice::centerSelection() {
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if (selection.GetWidth() < source.GetWidth()) {
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selection.x = ((source.GetWidth() - selection.GetWidth()) / 2);
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}
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if (selection.GetHeight() < source.GetHeight()) {
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selection.y = ((source.GetHeight() - selection.GetHeight()) / 2);
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}
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}
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Image ImageSlice::getSlice() const {
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if (selection.width == target_size.GetWidth() && selection.height == target_size.GetHeight() && selection.x == 0 && selection.y == 0) {
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// exactly the right size
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return source.GetSubImage(selection);
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}
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Image target(target_size.GetWidth(), target_size.GetHeight(), false);
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if (sharpen && sharpen_amount > 0 && sharpen_amount <= 100) {
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sharp_resample_and_clip(source, target, selection, sharpen_amount);
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} else {
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resample_and_clip(source, target, selection);
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}
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return target;
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}
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// ----------------------------------------------------------------------------- : Events
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DECLARE_EVENT_TYPE(EVENT_SLICE_CHANGED, <not used>);
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DEFINE_EVENT_TYPE(EVENT_SLICE_CHANGED);
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/// Handle EVENT_SLICE_CHANGED events
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#define EVT_SLICE_CHANGED(id, handler) EVT_COMMAND(id, EVENT_SLICE_CHANGED, handler)
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// ----------------------------------------------------------------------------- : ImageSliceWindow
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ImageSliceWindow::ImageSliceWindow(Window* parent, const Image& source, const wxSize& target_size, const AlphaMask& mask)
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: wxDialog(parent,wxID_ANY,_TITLE_("slice image"), wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER | wxFULL_REPAINT_ON_RESIZE)
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, slice(source, target_size)
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, initialized(false)
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{
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// init slice
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slice.constrain();
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slice.centerSelection();
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// init controls
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const wxPoint defPos = wxDefaultPosition;
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const wxSize spinSize(80,-1);
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selector = new ImageSliceSelector(this, ID_SELECTOR, slice);
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preview = new ImageSlicePreview (this, ID_PREVIEW, slice, mask);
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String sizes[] = { _LABEL_("original size")
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, _LABEL_("size to fit")
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, _LABEL_("force to fit")
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, _LABEL_("custom size") };
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size = new wxRadioBox(this, ID_SIZE, _LABEL_("size"), defPos, wxDefaultSize, 4, sizes, 1);
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left = new wxSpinCtrl(this, ID_LEFT, _(""), defPos, spinSize);
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top = new wxSpinCtrl(this, ID_TOP, _(""), defPos, spinSize);
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width = new wxSpinCtrl(this, ID_WIDTH, _(""), defPos, spinSize);
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height = new wxSpinCtrl(this, ID_HEIGHT, _(""), defPos, spinSize);
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top ->SetRange(-5000,5000);
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left ->SetRange(-5000,5000);
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width ->SetRange(0,5000);
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height->SetRange(0,5000);
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fix_aspect = new wxCheckBox(this, ID_FIX_ASPECT, _LABEL_("fix aspect ratio"));
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zoom_x = new wxSpinCtrl(this, ID_ZOOM_X, _(""), defPos, spinSize);
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zoom_y = new wxSpinCtrl(this, ID_ZOOM_Y, _(""), defPos, spinSize);
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zoom = new wxSpinCtrl(this, ID_ZOOM, _(""), defPos, spinSize);
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zoom_x->SetRange(1,10000);
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zoom_y->SetRange(1,10000);
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zoom ->SetRange(1,10000);
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sharpen = new wxCheckBox(this, ID_SHARPEN, _LABEL_("sharpen filter"));
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sharpen_amount = new wxSlider(this, ID_SHARPEN_AMOUNT, 0, 0, 100);
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// allowOutside= new CheckBox(&this, idSliceAllowOutside, _("Allow selection outside source"))
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// bgColor = new ColorSelector(&this, wxID_ANY)
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// init sizers
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wxSizer* s = new wxBoxSizer(wxVERTICAL);
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// top row: image editors
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wxSizer* s2 = new wxBoxSizer(wxHORIZONTAL);
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wxSizer* s3 = new wxBoxSizer(wxVERTICAL);
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s3->Add(new wxStaticText(this, wxID_ANY, _LABEL_("original")));
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s3->Add(selector, 1, wxEXPAND | wxTOP, 4);
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s2->Add(s3, 1, wxEXPAND | wxALL, 4);
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wxSizer* s4 = new wxBoxSizer(wxVERTICAL);
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s4->Add(new wxStaticText(this, wxID_ANY, _LABEL_("result")));
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s4->Add(preview, 0, wxTOP, 4);
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s2->Add(s4, 0, wxALL, 4);
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s->Add(s2, 1, wxEXPAND);
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// bottom row: controls
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wxSizer* s5 = new wxBoxSizer(wxHORIZONTAL);
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s5->AddStretchSpacer(1);
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s5->Add(size, 0, wxEXPAND | wxALL, 4);
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s5->AddStretchSpacer(1);
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wxSizer* s6 = new wxStaticBoxSizer(wxVERTICAL, this, _LABEL_("selection"));
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wxSizer* s7 = new wxFlexGridSizer(0, 2, 5, 5);
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s7->Add(new wxStaticText(this, wxID_ANY, _LABEL_("selection left")), 0, wxALIGN_CENTER_VERTICAL);
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s7->Add(left, 0, wxEXPAND);
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s7->Add(new wxStaticText(this, wxID_ANY, _LABEL_("selection top")), 0, wxALIGN_CENTER_VERTICAL);
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s7->Add(top, 0, wxEXPAND);
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s7->Add(new wxStaticText(this, wxID_ANY, _LABEL_("selection width")), 0, wxALIGN_CENTER_VERTICAL);
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s7->Add(width, 0, wxEXPAND);
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s7->Add(new wxStaticText(this, wxID_ANY, _LABEL_("selection height")), 0, wxALIGN_CENTER_VERTICAL);
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s7->Add(height, 0, wxEXPAND);
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s7->Add(new wxButton(this, ID_SELECTION_CENTER, _LABEL_("selection center")), 0, wxALIGN_CENTER, 2);
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s6->Add(s7, 1, wxEXPAND | wxALL, 4);
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s5->Add(s6, 0, wxEXPAND | wxALL, 4);
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s5->AddStretchSpacer(1);
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wxSizer* s8 = zoom_sizer = new wxStaticBoxSizer(wxVERTICAL, this, _LABEL_("zoom"));
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s8->Add(fix_aspect, 0, wxEXPAND | (wxALL & ~wxBOTTOM), 4);
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wxSizer* s9 = zoom_fixed = new wxFlexGridSizer(0, 3, 4, 5);
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s9->Add(new wxStaticText(this, wxID_ANY, _LABEL_("zoom amount")), 0, wxALIGN_CENTER_VERTICAL);
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s9->Add(zoom, 0, wxEXPAND);
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s9->Add(new wxStaticText(this, wxID_ANY, _LABEL_("zoom %")), 0, wxALIGN_CENTER_VERTICAL);
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s8->Add(s9, 0, wxEXPAND | wxALL, 4);
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wxSizer* sA = zoom_free = new wxFlexGridSizer(0, 3, 4, 5);
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sA->Add(new wxStaticText(this, wxID_ANY, _LABEL_("zoom amount x")), 0, wxALIGN_CENTER_VERTICAL);
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sA->Add(zoom_x, 0, wxEXPAND);
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sA->Add(new wxStaticText(this, wxID_ANY, _LABEL_("zoom %")), 0, wxALIGN_CENTER_VERTICAL);
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sA->Add(new wxStaticText(this, wxID_ANY, _LABEL_("zoom amount y")), 0, wxALIGN_CENTER_VERTICAL);
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sA->Add(zoom_y, 0, wxEXPAND);
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sA->Add(new wxStaticText(this, wxID_ANY, _LABEL_("zoom %")), 0, wxALIGN_CENTER_VERTICAL);
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s8->Add(sA, 0, wxEXPAND | wxALL, 4);
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s5->Add(s8, 0, wxEXPAND | wxALL, 4);
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s5->AddStretchSpacer(1);
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wxSizer* sB = new wxStaticBoxSizer(wxVERTICAL, this, _LABEL_("filter"));
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sB->Add(sharpen, 0, wxEXPAND | (wxALL & ~wxBOTTOM), 4);
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sB->Add(sharpen_amount, 0, wxEXPAND | wxALL, 4);
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s5->Add(sB, 0, wxEXPAND | wxALL, 4);
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s5->AddStretchSpacer(1);
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s->Add(s5, 0, wxEXPAND);
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s->Add(CreateButtonSizer(wxOK | wxCANCEL), 0, wxEXPAND | wxALL, 8);
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s->SetSizeHints(this);
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SetSizer(s);
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// Only now do we allow events to be processed.
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initialized = true;
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updateControls();
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}
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void ImageSliceWindow::onOk(wxCommandEvent&) {
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EndModal(wxID_OK);
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}
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Image ImageSliceWindow::getImage() const {
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return slice.getSlice();
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}
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// ----------------------------------------------------------------------------- : ImageSliceWindow : Controls
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void ImageSliceWindow::onChangeSize(wxCommandEvent&) {
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if (!initialized) return;
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int sel = size->GetSelection();
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if (sel == 0) {
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// original size
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slice.selection.width = slice.target_size.GetWidth();
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slice.selection.height = slice.target_size.GetHeight();
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slice.aspect_fixed = true;
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onUpdateFromControl();
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} else if (sel == 1) {
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// size to fit
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slice.selection.x = slice.selection.y = 0;
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slice.selection.width = slice.source.GetWidth();
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slice.selection.height = slice.source.GetHeight();
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slice.aspect_fixed = true;
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onUpdateFromControl();
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} else if (sel == 2) {
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// force to fit
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slice.selection.x = slice.selection.y = 0;
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slice.selection.width = slice.source.GetWidth();
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slice.selection.height = slice.source.GetHeight();
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slice.aspect_fixed = false;
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onUpdateFromControl();
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}
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}
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void ImageSliceWindow::onChangeLeft(wxCommandEvent&) {
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if (!initialized) return;
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slice.selection.x = left->GetValue();
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onUpdateFromControl();
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}
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void ImageSliceWindow::onChangeTop(wxCommandEvent&) {
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if (!initialized) return;
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slice.selection.y = top->GetValue();
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onUpdateFromControl();
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}
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void ImageSliceWindow::onChangeWidth(wxCommandEvent&) {
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if (!initialized) return;
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slice.selection.width = width->GetValue();
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onUpdateFromControl(PREFER_WIDTH);
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}
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void ImageSliceWindow::onChangeHeight(wxCommandEvent&) {
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if (!initialized) return;
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slice.selection.height = height->GetValue();
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onUpdateFromControl(PREFER_HEIGHT);
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}
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void ImageSliceWindow::onChangeFixAspect(wxCommandEvent&) {
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if (!initialized) return;
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slice.aspect_fixed = fix_aspect->GetValue();
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onUpdateFromControl();
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}
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void ImageSliceWindow::onChangeZoom(wxSpinEvent&) {
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if (!initialized) return;
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slice.zoomX(zoom->GetValue() / 100.0);
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slice.zoomY(zoom->GetValue() / 100.0);
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onUpdateFromControl();
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}
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void ImageSliceWindow::onChangeZoomX(wxSpinEvent&) {
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if (!initialized) return;
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slice.zoomX(zoom_x->GetValue() / 100.0);
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onUpdateFromControl();
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}
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void ImageSliceWindow::onChangeZoomY(wxSpinEvent&) {
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if (!initialized) return;
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slice.zoomY(zoom_y->GetValue() / 100.0);
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onUpdateFromControl();
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}
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void ImageSliceWindow::onChangeSharpen(wxCommandEvent&) {
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if (!initialized) return;
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slice.sharpen = sharpen->GetValue();
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onUpdateFromControl();
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}
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void ImageSliceWindow::onChangeSharpenAmount(wxScrollEvent&) {
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if (!initialized) return;
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slice.sharpen_amount = sharpen_amount->GetValue();
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onUpdateFromControl();
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}
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// ----------------------------------------------------------------------------- : ImageSliceWindow : Updates
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void ImageSliceWindow::onSliceChange(wxCommandEvent&) {
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slice.constrain();
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preview->update();
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selector->update();
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updateControls();
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}
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void ImageSliceWindow::onUpdateFromControl(PreferedProperty prefer) {
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slice.constrain(prefer);
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preview->update();
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selector->update();
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updateControls();
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}
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void ImageSliceWindow::onSelectionCenter(wxCommandEvent&) {
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slice.centerSelection();
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preview->update();
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selector->update();
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updateControls();
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}
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void ImageSliceWindow::updateControls() {
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if (slice.selection.width == slice.target_size.GetWidth() && slice.selection.height == slice.target_size.GetHeight()) {
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size->SetSelection(0); // original size
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} else if (slice.selection.x == 0 && slice.selection.width == slice.source.GetWidth() &&
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slice.selection.y == 0 && slice.selection.height == slice.source.GetHeight() && !slice.aspect_fixed) {
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size->SetSelection(2); // force to fit
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} else if (slice.selection.width <= slice.source.GetWidth() &&
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slice.selection.height <= slice.source.GetHeight() &&
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fabs(slice.zoomX() - slice.zoomY()) < 0.01 &&
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( (slice.selection.x == 0 && slice.selection.width == slice.source.GetWidth())
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||(slice.selection.y == 0 && slice.selection.height == slice.source.GetHeight()))) {
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size->SetSelection(1); // size to fit
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} else {
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size->SetSelection(3); // custom size
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}
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left ->SetValue(slice.selection.x);
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top ->SetValue(slice.selection.y);
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width ->SetValue(slice.selection.width);
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height ->SetValue(slice.selection.height);
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fix_aspect->SetValue(slice.aspect_fixed);
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if (slice.aspect_fixed) {
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zoom->SetValue(int(slice.zoomX() * 100));
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if (zoom_x->IsShown()) {
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zoom_sizer->Show(zoom_fixed, true);
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zoom_sizer->Show(zoom_free, false);
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Layout();
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}
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} else {
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zoom_x->SetValue(int(slice.zoomX() * 100));
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zoom_y->SetValue(int(slice.zoomY() * 100));
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if (zoom->IsShown()) {
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zoom_sizer->Show(zoom_fixed, false);
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zoom_sizer->Show(zoom_free, true);
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Layout();
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}
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}
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sharpen ->SetValue(slice.sharpen);
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sharpen_amount->SetValue(slice.sharpen_amount);
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sharpen_amount->Enable(slice.sharpen);
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}
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// ----------------------------------------------------------------------------- : ImageSliceWindow : Event table
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BEGIN_EVENT_TABLE(ImageSliceWindow, wxDialog)
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EVT_BUTTON (wxID_OK, ImageSliceWindow::onOk)
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EVT_RADIOBOX (ID_SIZE, ImageSliceWindow::onChangeSize)
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EVT_TEXT (ID_LEFT, ImageSliceWindow::onChangeLeft)
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EVT_TEXT (ID_TOP, ImageSliceWindow::onChangeTop)
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EVT_TEXT (ID_WIDTH, ImageSliceWindow::onChangeWidth)
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EVT_TEXT (ID_HEIGHT, ImageSliceWindow::onChangeHeight)
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EVT_BUTTON (ID_SELECTION_CENTER, ImageSliceWindow::onSelectionCenter)
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EVT_CHECKBOX (ID_FIX_ASPECT, ImageSliceWindow::onChangeFixAspect)
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EVT_SPINCTRL (ID_ZOOM, ImageSliceWindow::onChangeZoom)
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EVT_SPINCTRL (ID_ZOOM_X, ImageSliceWindow::onChangeZoomX)
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EVT_SPINCTRL (ID_ZOOM_Y, ImageSliceWindow::onChangeZoomY)
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EVT_CHECKBOX (ID_SHARPEN, ImageSliceWindow::onChangeSharpen)
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EVT_COMMAND_SCROLL (ID_SHARPEN_AMOUNT, ImageSliceWindow::onChangeSharpenAmount)
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EVT_SLICE_CHANGED (wxID_ANY, ImageSliceWindow::onSliceChange)
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// EVT_SIZE ( ImageSliceWindow::onSize)
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END_EVENT_TABLE ()
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// ----------------------------------------------------------------------------- : ImageSlicePreview
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ImageSlicePreview::ImageSlicePreview(Window* parent, int id, ImageSlice& slice, const AlphaMask& mask)
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: wxControl(parent, id, wxDefaultPosition, wxDefaultSize, wxBORDER_THEME)
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, slice(slice)
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, mask(mask)
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, mouse_down(false)
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{
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SetBackgroundStyle(wxBG_STYLE_PAINT);
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}
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void ImageSlicePreview::update() {
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bitmap = wxNullBitmap;
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Refresh(false);
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}
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wxSize ImageSlicePreview::DoGetBestSize() const {
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// We know the client size we want, calculate the size that goes with that
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wxSize ws = GetSize(), cs = GetClientSize();
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return slice.target_size + ws - cs;
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}
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void ImageSlicePreview::onPaint(wxPaintEvent&) {
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wxPaintDC dc(this);
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draw(dc);
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}
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void ImageSlicePreview::draw(DC& dc) {
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if (!bitmap.Ok()) {
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Image image = slice.getSlice();
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assert(image.GetWidth() == slice.target_size.GetWidth() && image.GetHeight() == slice.target_size.GetHeight());
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mask.setAlpha(image);
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if (image.HasAlpha()) {
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// create bitmap
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bitmap = Bitmap(image.GetWidth(), image.GetHeight());
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wxMemoryDC mdc; mdc.SelectObject(bitmap);
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// draw checker pattern behind image
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RealRect rect = (RealRect) GetClientSize();
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RotatedDC rdc(mdc, 0, rect, 1, QUALITY_LOW);
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draw_checker(rdc, rect);
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rdc.DrawImage(image, RealPoint(0,0));
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mdc.SelectObject(wxNullBitmap);
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} else {
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bitmap = Bitmap(image);
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}
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}
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if (bitmap.Ok()) {
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dc.DrawBitmap(bitmap, 0, 0);
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}
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}
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void ImageSlicePreview::onLeftDown(wxMouseEvent& ev) {
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mouseX = ev.GetX();
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mouseY = ev.GetY();
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start_selection = slice.selection;
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mouse_down = true;
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CaptureMouse();
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|
SetCursor(wxCURSOR_SIZING);
|
|
}
|
|
void ImageSlicePreview::onLeftUp(wxMouseEvent&v) {
|
|
mouse_down = false;
|
|
if (HasCapture()) ReleaseMouse();
|
|
SetCursor(wxNullCursor);
|
|
}
|
|
void ImageSlicePreview::onMotion(wxMouseEvent& ev) {
|
|
if (mouse_down) {
|
|
// drag the image
|
|
slice.selection.x = int(start_selection.x + (mouseX - ev.GetX()) / slice.zoomX());
|
|
slice.selection.y = int(start_selection.y + (mouseY - ev.GetY()) / slice.zoomY());
|
|
// Notify parent
|
|
wxCommandEvent ev(EVENT_SLICE_CHANGED, GetId());
|
|
ProcessEvent(ev);
|
|
}
|
|
}
|
|
|
|
void ImageSlicePreview::onLoseCapture(wxMouseCaptureLostEvent&) {
|
|
// We already test for wrong release with HasCapture()
|
|
// but stupid wxwidget people decided to throw assertion failures
|
|
}
|
|
|
|
BEGIN_EVENT_TABLE(ImageSlicePreview, wxControl)
|
|
EVT_PAINT (ImageSlicePreview::onPaint)
|
|
EVT_LEFT_DOWN (ImageSlicePreview::onLeftDown)
|
|
EVT_LEFT_UP (ImageSlicePreview::onLeftUp)
|
|
EVT_MOTION (ImageSlicePreview::onMotion)
|
|
EVT_MOUSE_CAPTURE_LOST(ImageSlicePreview::onLoseCapture)
|
|
END_EVENT_TABLE ()
|
|
|
|
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------- : ImageSliceSelector
|
|
|
|
ImageSliceSelector::ImageSliceSelector(Window* parent, int id, ImageSlice& slice)
|
|
: wxControl(parent, id, wxDefaultPosition, wxDefaultSize, wxBORDER_THEME)
|
|
, slice(slice)
|
|
, mouse_down(false)
|
|
{
|
|
SetMinSize(wxSize(400, 300));
|
|
SetBackgroundStyle(wxBG_STYLE_PAINT);
|
|
}
|
|
|
|
void ImageSliceSelector::update() {
|
|
Refresh(false);
|
|
}
|
|
|
|
void ImageSliceSelector::onSize(wxSizeEvent&) {
|
|
bitmap = wxNullBitmap;
|
|
Refresh(false);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------- : ImageSliceSelector : Drawing
|
|
|
|
void ImageSliceSelector::onPaint(wxPaintEvent&) {
|
|
wxBufferedPaintDC dc(this);
|
|
draw(dc);
|
|
}
|
|
void ImageSliceSelector::draw(DC& dc) {
|
|
if (!bitmap.Ok()) createBitmap();
|
|
if (!bitmap.Ok()) return;
|
|
// Selected region
|
|
wxSize s = GetClientSize();
|
|
int left = int(slice.selection.x * scaleX + border);
|
|
int top = int(slice.selection.y * scaleY + border);
|
|
int width = int(slice.selection.width * scaleX);
|
|
int height = int(slice.selection.height * scaleY);
|
|
// background
|
|
{
|
|
RotatedDC rdc(dc, 0, RealRect(0,0,s.x,s.y), 1, QUALITY_LOW);
|
|
draw_checker(rdc, RealRect(0,0,s.x,s.y));
|
|
}
|
|
// edge
|
|
{
|
|
wxRegion r(0,0,s.x,s.y);
|
|
r.Subtract(wxRect(border,border, s.x-2*border, s.y-2*border));
|
|
dc.SetDeviceClippingRegion(r);
|
|
dc.SetPen(*wxTRANSPARENT_PEN);
|
|
dc.SetBrush(Color(191,191,191));
|
|
dc.SetLogicalFunction(wxAND);
|
|
dc.DrawRectangle(0, 0, s.x, s.y);
|
|
dc.SetLogicalFunction(wxCOPY);
|
|
dc.DestroyClippingRegion();
|
|
}
|
|
// bitmap : unselected
|
|
dc.DrawBitmap(bitmap_no_sel, border, border, true);
|
|
// draw selected part ungreyed over it
|
|
{
|
|
wxMemoryDC mdc;
|
|
mdc.SelectObject(bitmap);
|
|
dc.Blit(left, top, width, height, &mdc, left - border, top - border);
|
|
mdc.SelectObject(wxNullBitmap);
|
|
}
|
|
// border around source
|
|
dc.SetBrush(*wxTRANSPARENT_BRUSH);
|
|
dc.SetPen(*wxBLACK_PEN);
|
|
dc.DrawRectangle(left - 1, top - 1, width + 2, height + 2);
|
|
dc.SetPen(Color(64,64,64));
|
|
dc.DrawRectangle(left - 2, top - 2, width + 4, height + 4);
|
|
// Draw handles on all sides
|
|
dc.SetBrush(Color(0,0,128));
|
|
dc.SetPen(*wxWHITE_PEN);
|
|
drawHandle(dc, -1, -1);
|
|
drawHandle(dc, -1, +1);
|
|
drawHandle(dc, +1, -1);
|
|
drawHandle(dc, +1, +1);
|
|
if (!slice.aspect_fixed) {
|
|
drawHandle(dc, -1, 0);
|
|
drawHandle(dc, 0, -1);
|
|
drawHandle(dc, 0, +1);
|
|
drawHandle(dc, +1, 0);
|
|
}
|
|
}
|
|
void ImageSliceSelector::drawHandle(DC& dc, int dx, int dy) {
|
|
wxPoint p = handlePos(dx, dy);
|
|
dc.DrawRectangle(p.x - 3 + 4 * dx, p.y - 3 + 4 * dy, 6, 6);
|
|
}
|
|
|
|
int blur_pixel(Byte* in, int x, int y, int width, int height) {
|
|
return (2 * ( in[0]) + // center
|
|
(x == 0 ? in[0] : in[-3]) + // left
|
|
(y == 0 ? in[0] : in[-3*width]) + // up
|
|
(x == width - 1 ? in[0] : in[3]) + // right
|
|
(y == height - 1 ? in[0] : in[3*width]) // down
|
|
) / 6;
|
|
}
|
|
|
|
// TODO: move me
|
|
void blur_image(const Image& img_in, Image& img_out) {
|
|
int width = img_in.GetWidth(), height = img_in.GetHeight();
|
|
assert(img_out.GetWidth() == width && img_out.GetHeight() == height);
|
|
Byte* in = img_in.GetData(), *out = img_out.GetData();
|
|
for (int y = 0 ; y < height ; ++y) {
|
|
for (int x = 0 ; x < width ; ++x) {
|
|
out[0] = blur_pixel(in + 0, x, y, width, height);
|
|
out[1] = blur_pixel(in + 1, x, y, width, height);
|
|
out[2] = blur_pixel(in + 2, x, y, width, height);
|
|
in += 3; out += 3;
|
|
}
|
|
}
|
|
}
|
|
void desaturate_image(Image& img) {
|
|
int width = img.GetWidth(), height = img.GetHeight();
|
|
Byte* in = img.GetData();
|
|
for (int y = 0 ; y < height ; ++y) {
|
|
for (int x = 0 ; x < width ; ++x) {
|
|
int r = in[0], g = in[1], b = in[2];
|
|
// desaturate
|
|
in[0] = (r + g + b + 5 * r + 255) / 9;
|
|
in[1] = (r + g + b + 5 * g + 255) / 9;
|
|
in[2] = (r + g + b + 5 * b + 255) / 9;
|
|
in += 3;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ImageSliceSelector::createBitmap() {
|
|
// create image, resampled to fit in control
|
|
wxSize s = GetClientSize();
|
|
int width = s.GetWidth() - 2*border, height = s.GetHeight() - 2*border;
|
|
Image img = resample(slice.source, width, height);
|
|
bitmap = Bitmap(img);
|
|
scaleX = (double)width / slice.source.GetWidth();
|
|
scaleY = (double)height / slice.source.GetHeight();
|
|
// Initialize bitmap_no_sel to be the same bitmap, only with a faded color and blurred
|
|
Image img_no_sel(width, height, false);
|
|
blur_image(img, img_no_sel);
|
|
blur_image(img_no_sel, img_no_sel);
|
|
blur_image(img_no_sel, img_no_sel);
|
|
desaturate_image(img_no_sel);
|
|
if (img.HasAlpha()) {
|
|
// copy alpha
|
|
img_no_sel.InitAlpha();
|
|
memcpy(img_no_sel.GetAlpha(), img.GetAlpha(), img.GetWidth() * img.GetHeight());
|
|
}
|
|
bitmap_no_sel = Bitmap(img_no_sel);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------- : ImageSliceSelector : Mouse
|
|
|
|
void ImageSliceSelector::onLeftDown(wxMouseEvent& ev) {
|
|
mouseX = ev.GetX();
|
|
mouseY = ev.GetY();
|
|
start_selection = slice.selection;
|
|
mouse_down = true;
|
|
onAnyHandle(ev, &dragX, &dragY);
|
|
if (slice.aspect_fixed && (dragX == 0 || dragY == 0)) {
|
|
dragX = dragY = 0; // only drag corners if aspect fixed
|
|
}
|
|
if (dragX == 0 && dragY == 0) {
|
|
SetCursor(wxCURSOR_SIZING);
|
|
}
|
|
CaptureMouse();
|
|
}
|
|
void ImageSliceSelector::onLeftUp(wxMouseEvent&) {
|
|
mouse_down = false;
|
|
if (HasCapture()) ReleaseMouse();
|
|
SetCursor(wxNullCursor);
|
|
}
|
|
|
|
void ImageSliceSelector::onMotion(wxMouseEvent& ev) {
|
|
if (mouse_down) {
|
|
double deltaX = (ev.GetX() - mouseX) / scaleX;
|
|
double deltaY = (ev.GetY() - mouseY) / scaleY;
|
|
// are we on a handle?
|
|
if (dragX == 0 && dragY == 0) {
|
|
// dragging entire selection
|
|
slice.selection.x = int(start_selection.x + deltaX);
|
|
slice.selection.y = int(start_selection.y + deltaY);
|
|
} else {
|
|
// fix aspect ratio
|
|
if (slice.aspect_fixed) {
|
|
// fixed == deltaX * height = deltaY * width
|
|
double d = (dragX * deltaX * slice.target_size.GetHeight() + dragY * deltaY * slice.target_size.GetWidth()) / 2;
|
|
deltaX = dragX * d / slice.target_size.GetHeight();
|
|
deltaY = dragY * d / slice.target_size.GetWidth();
|
|
/*if (dragX * deltaX * slice.target_size.GetWidth() <
|
|
dragY * deltaY * slice.target_size.GetHeight()) {
|
|
deltaY = dragX * dragY * deltaX * slice.target_size.GetWidth() / slice.target_size.GetHeight();
|
|
} else {
|
|
deltaX = dragX * dragY * deltaY * slice.target_size.GetHeight() / slice.target_size.GetWidth();
|
|
}*/
|
|
}
|
|
// move
|
|
if (dragX) {
|
|
slice.selection.x = int(start_selection.x + deltaX * (1 - dragX) / 2);
|
|
slice.selection.width = int(start_selection.width + deltaX * dragX);
|
|
}
|
|
if (dragY) {
|
|
slice.selection.y = int(start_selection.y + deltaY * (1 - dragY) / 2);
|
|
slice.selection.height = int(start_selection.height + deltaY * dragY);
|
|
}
|
|
}
|
|
|
|
// Notify parent
|
|
wxCommandEvent ev(EVENT_SLICE_CHANGED, GetId());
|
|
ProcessEvent(ev);
|
|
} else {
|
|
int dx, dy;
|
|
if (onAnyHandle(ev, &dx, &dy)) {
|
|
// what cursor to use?
|
|
if (dx == dy) SetCursor(wxCURSOR_SIZENWSE);
|
|
else if (dx == -dy) SetCursor(wxCURSOR_SIZENESW);
|
|
else if (dx == 0) SetCursor(wxCURSOR_SIZENS);
|
|
else if (dy == 0) SetCursor(wxCURSOR_SIZEWE);
|
|
} else {
|
|
SetCursor(*wxSTANDARD_CURSOR);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ImageSliceSelector::onLoseCapture(wxMouseCaptureLostEvent&) {
|
|
// We already test for wrong release with HasCapture()
|
|
// but stupid wxwidget people decided to throw assertion failures
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------- : ImageSliceSelector : handles
|
|
|
|
bool ImageSliceSelector::onHandle(const wxMouseEvent& ev, int dx, int dy) const {
|
|
wxPoint p = handlePos(dx, dy);
|
|
p.x = p.x - 3 + 4 * dx;
|
|
p.y = p.y - 3 + 4 * dy;
|
|
return ev.GetX() >= p.x && ev.GetX() < p.x + 6 &&
|
|
ev.GetY() >= p.y && ev.GetY() < p.y + 6;
|
|
}
|
|
bool ImageSliceSelector::onAnyHandle(const wxMouseEvent& ev, int* dxOut, int* dyOut) const {
|
|
for (int dx = -1 ; dx <= 1 ; ++dx) {
|
|
for (int dy = -1 ; dy <= 1 ; ++dy) {
|
|
if ((dx != 0 || dy != 0) && onHandle(ev, dx, dy)) { // (0,0) == center, not a handle
|
|
*dxOut = dx;
|
|
*dyOut = dy;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
*dxOut = *dyOut = 0;
|
|
return false;
|
|
}
|
|
wxPoint ImageSliceSelector::handlePos(int dx, int dy) const {
|
|
return wxPoint(
|
|
int(scaleX * (slice.selection.x + ((dx + 1) * slice.selection.width) * 0.5) + border),
|
|
int(scaleY * (slice.selection.y + ((dy + 1) * slice.selection.height) * 0.5) + border)
|
|
);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------- : ImageSliceSelector : Event table
|
|
|
|
BEGIN_EVENT_TABLE(ImageSliceSelector, wxControl)
|
|
EVT_PAINT (ImageSliceSelector::onPaint)
|
|
EVT_LEFT_DOWN (ImageSliceSelector::onLeftDown)
|
|
EVT_LEFT_UP (ImageSliceSelector::onLeftUp)
|
|
EVT_MOTION (ImageSliceSelector::onMotion)
|
|
EVT_SIZE (ImageSliceSelector::onSize)
|
|
EVT_MOUSE_CAPTURE_LOST(ImageSliceSelector::onLoseCapture)
|
|
END_EVENT_TABLE ()
|