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Aegisub/aegisub/src/visual_tool.cpp

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// Copyright (c) 2007, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
//
// $Id$
/// @file visual_tool.cpp
/// @brief Base class for visual typesetting functions
/// @ingroup visual_ts
#include "config.h"
#ifndef AGI_PRE
#include <algorithm>
#include <wx/glcanvas.h>
#endif
#include "ass_dialogue.h"
#include "ass_file.h"
#include "ass_override.h"
#include "ass_style.h"
#include "ass_time.h"
#include "main.h"
#include "subs_edit_box.h"
#include "subs_grid.h"
#include "utils.h"
#include "video_context.h"
#include "video_display.h"
#include "video_provider_manager.h"
#include "visual_feature.h"
#include "visual_tool.h"
#include "visual_tool_clip.h"
#include "visual_tool_drag.h"
#include "visual_tool_vector_clip.h"
const wxColour IVisualTool::colour[4] = {wxColour(106,32,19), wxColour(255,169,40), wxColour(255,253,185), wxColour(187,0,0)};
template<class FeatureType>
VisualTool<FeatureType>::VisualTool(VideoDisplay *parent, VideoState const& video)
: realtime(OPT_GET("Video/Visual Realtime"))
, dragStartX(0)
, dragStartY(0)
, selChanged(false)
, selectedFeatures(selFeatures)
, grid(VideoContext::Get()->grid)
, parent(parent)
, holding(false)
, dragging(false)
, externalChange(true)
, video(video)
, leftClick(false)
, leftDClick(false)
, shiftDown(false)
, ctrlDown(false)
, altDown(false)
{
frameNumber = VideoContext::Get()->GetFrameN();
curDiag = GetActiveDialogueLine();
grid->AddSelectionListener(this);
curFeature = features.begin();
}
template<class FeatureType>
VisualTool<FeatureType>::~VisualTool() {
grid->RemoveSelectionListener(this);
}
template<class FeatureType>
void VisualTool<FeatureType>::OnMouseEvent(wxMouseEvent &event) {
bool realTime = realtime->GetBool();
bool needRender = false;
if (event.Leaving()) {
Update();
parent->Render();
return;
}
else if (event.Entering() && !OPT_GET("Tool/Visual/Always Show")->GetBool()) {
needRender = true;
}
externalChange = false;
leftClick = event.ButtonDown(wxMOUSE_BTN_LEFT);
leftDClick = event.LeftDClick();
shiftDown = event.m_shiftDown;
#ifdef __APPLE__
ctrlDown = event.m_metaDown; // Cmd key
#else
ctrlDown = event.m_controlDown;
#endif
altDown = event.m_altDown;
if (!dragging) {
feature_iterator oldHigh = curFeature;
GetHighlightedFeature();
if (curFeature != oldHigh) needRender = true;
}
if (dragging) {
// continue drag
if (event.LeftIsDown()) {
for (selection_iterator cur = selFeatures.begin(); cur != selFeatures.end(); ++cur) {
(*cur)->x = (video.x - dragStartX + (*cur)->origX);
(*cur)->y = (video.y - dragStartY + (*cur)->origY);
if (shiftDown) {
if (abs(video.x - dragStartX) > abs(video.y - dragStartY)) {
(*cur)->y = (*cur)->origY;
}
else {
(*cur)->x = (*cur)->origX;
}
}
UpdateDrag(*cur);
if (realTime) {
CommitDrag(*cur);
}
}
if (realTime) {
Commit();
}
needRender = true;
}
// end drag
else {
dragging = false;
// mouse didn't move, fiddle with selection
if (curFeature->x == curFeature->origX && curFeature->y == curFeature->origY) {
// Don't deselect stuff that was selected in this click's mousedown event
if (!selChanged) {
if (ctrlDown) {
// deselect this feature
RemoveSelection(curFeature);
}
else {
SetSelection(curFeature);
}
}
}
else {
for (selection_iterator cur = selFeatures.begin(); cur != selFeatures.end(); ++cur) {
CommitDrag(*cur);
}
Commit(true);
}
curFeature = features.end();
parent->ReleaseMouse();
parent->SetFocus();
}
}
else if (holding) {
// continue hold
if (event.LeftIsDown()) {
UpdateHold();
if (realTime) {
CommitHold();
Commit();
}
needRender = true;
}
// end hold
else {
holding = false;
CommitHold();
Commit(true);
parent->ReleaseMouse();
parent->SetFocus();
}
}
else if (leftClick) {
// start drag
if (curFeature != features.end()) {
if (selFeatures.find(curFeature) == selFeatures.end()) {
selChanged = true;
if (ctrlDown) {
AddSelection(curFeature);
}
else {
SetSelection(curFeature);
}
}
else {
selChanged = false;
}
if (curFeature->line) grid->SetActiveLine(curFeature->line);
if (InitializeDrag(curFeature)) {
dragStartX = video.x;
dragStartY = video.y;
for (selection_iterator cur = selFeatures.begin(); cur != selFeatures.end(); ++cur) {
(*cur)->origX = (*cur)->x;
(*cur)->origY = (*cur)->y;
}
dragging = true;
parent->CaptureMouse();
}
}
// start hold
else {
if (!altDown) {
ClearSelection();
Selection sel;
sel.insert(grid->GetActiveLine());
grid->SetSelectedSet(sel);
needRender = true;
}
if (curDiag && InitializeHold()) {
holding = true;
parent->CaptureMouse();
}
}
}
if (Update() || needRender) parent->Render();
externalChange = true;
}
template<class FeatureType>
void VisualTool<FeatureType>::Commit(bool full, wxString message) {
externalChange = false;
if (full) {
if (message.empty()) {
message = _("visual typesetting");
}
grid->ass->Commit(message);
}
grid->CommitChanges(full);
externalChange = true;
}
template<class FeatureType>
AssDialogue* VisualTool<FeatureType>::GetActiveDialogueLine() {
AssDialogue *diag = grid->GetActiveLine();
if (diag && grid->IsDisplayed(diag))
return diag;
return NULL;
}
template<class FeatureType>
void VisualTool<FeatureType>::GetHighlightedFeature() {
int highestLayerFound = INT_MIN;
curFeature = features.end();
for (feature_iterator cur = features.begin(); cur != features.end(); ++cur) {
if (cur->IsMouseOver(video.x, video.y) && cur->layer > highestLayerFound) {
curFeature = cur;
highestLayerFound = cur->layer;
}
}
}
template<class FeatureType>
void VisualTool<FeatureType>::DrawAllFeatures() {
SetLineColour(colour[0],1.0f,2);
for (feature_iterator cur = features.begin(); cur != features.end(); ++cur) {
int fill;
if (cur == curFeature)
fill = 2;
else if (selFeatures.find(cur) != selFeatures.end())
fill = 3;
else
fill = 1;
SetFillColour(colour[fill],0.6f);
cur->Draw(*this);
}
}
template<class FeatureType>
void VisualTool<FeatureType>::Refresh() {
if (externalChange) {
curDiag = GetActiveDialogueLine();
curFeature = features.end();
OnFileChanged();
}
}
template<class FeatureType>
void VisualTool<FeatureType>::SetFrame(int newFrameNumber) {
if (frameNumber == newFrameNumber) return;
frameNumber = newFrameNumber;
curFeature = features.end();
OnFrameChanged();
AssDialogue *newCurDiag = GetActiveDialogueLine();
if (newCurDiag != curDiag) {
curDiag = newCurDiag;
OnLineChanged();
}
}
template<class FeatureType>
void VisualTool<FeatureType>::OnActiveLineChanged(AssDialogue *new_line) {
if (new_line && !grid->IsDisplayed(new_line)) {
new_line = NULL;
}
if (new_line != curDiag) {
curDiag = new_line;
OnLineChanged();
}
}
template<class FeatureType>
void VisualTool<FeatureType>::SetSelection(feature_iterator feat) {
selFeatures.clear();
lineSelCount.clear();
selFeatures.insert(feat);
AssDialogue *line = feat->line;
if (line) {
lineSelCount[line] = 1;
Selection sel;
sel.insert(line);
grid->SetSelectedSet(sel);
}
}
template<class FeatureType>
void VisualTool<FeatureType>::AddSelection(feature_iterator feat) {
if (selFeatures.insert(feat).second && feat->line) {
lineSelCount[feat->line] += 1;
Selection sel = grid->GetSelectedSet();
if (sel.insert(feat->line).second) {
grid->SetSelectedSet(sel);
}
}
}
template<class FeatureType>
void VisualTool<FeatureType>::RemoveSelection(feature_iterator feat) {
if (selFeatures.erase(feat) > 0 && feat->line) {
// Deselect a line only if all features for that line have been
// deselected
AssDialogue* line = feat->line;
lineSelCount[line] -= 1;
assert(lineSelCount[line] >= 0);
if (lineSelCount[line] <= 0) {
Selection sel = grid->GetSelectedSet();
// Don't deselect the only selected line
if (sel.size() <= 1) return;
sel.erase(line);
// Set the active line to an arbitrary selected line if we just
// deselected the active line
if (line == grid->GetActiveLine()) {
grid->SetActiveLine(*sel.begin());
}
grid->SetSelectedSet(sel);
}
}
}
template<class FeatureType>
void VisualTool<FeatureType>::ClearSelection() {
selFeatures.clear();
lineSelCount.clear();
}
enum TagFoundType {
TAG_NOT_FOUND = 0,
PRIMARY_TAG_FOUND,
ALT_TAG_FOUND
};
/// @brief Get the first value set for a tag
/// @param line Line to get the value from
/// @param tag Tag to get the value of
/// @param n Number of parameters passed
/// @return Which tag (if any) was found
template<class T>
static TagFoundType get_value(const AssDialogue *line, wxString tag, size_t n, ...) {
wxString alt;
if (tag == L"\\pos") alt = L"\\move";
else if (tag == L"\\an") alt = L"\\a";
else if (tag == L"\\clip") alt = L"\\iclip";
for (size_t i = 0; i < line->Blocks.size(); i++) {
const AssDialogueBlockOverride *ovr = dynamic_cast<const AssDialogueBlockOverride*>(line->Blocks[i]);
if (!ovr) continue;
for (size_t j=0; j < ovr->Tags.size(); j++) {
const AssOverrideTag *cur = ovr->Tags[j];
if ((cur->Name == tag || cur->Name == alt) && cur->Params.size() >= n) {
va_list argp;
va_start(argp, n);
for (size_t j = 0; j < n; j++) {
T *val = va_arg(argp, T *);
*val = cur->Params[j]->Get<T>(*val);
}
va_end(argp);
return cur->Name == alt ? ALT_TAG_FOUND : PRIMARY_TAG_FOUND;
}
}
}
return TAG_NOT_FOUND;
}
template<class FeatureType>
void VisualTool<FeatureType>::GetLinePosition(AssDialogue *diag,int &x, int &y) {
int orgx,orgy;
GetLinePosition(diag,x,y,orgx,orgy);
}
template<class FeatureType>
void VisualTool<FeatureType>::GetLinePosition(AssDialogue *diag,int &x, int &y, int &orgx, int &orgy) {
int margin[4];
for (int i=0;i<4;i++) margin[i] = diag->Margin[i];
int align = 2;
AssStyle *style = grid->ass->GetStyle(diag->Style);
if (style) {
align = style->alignment;
for (int i=0;i<4;i++) {
if (margin[i] == 0) margin[i] = style->Margin[i];
}
}
int sw,sh;
VideoContext::Get()->GetScriptSize(sw,sh);
// Process margins
margin[1] = sw - margin[1];
margin[3] = sh - margin[2];
// Overrides processing
diag->ParseASSTags();
if (!get_value<int>(diag, "\\pos", 2, &x, &y)) {
if (get_value<int>(diag, "\\an", 1, &align) == ALT_TAG_FOUND) {
switch(align) {
case 1: case 2: case 3:
break;
case 5: case 6: case 7:
align += 2;
break;
case 9: case 10: case 11:
align -= 5;
break;
default:
align = 2;
break;
}
}
// Alignment type
int hor = (align - 1) % 3;
int vert = (align - 1) / 3;
// Calculate positions
if (hor == 0) x = margin[0];
else if (hor == 1) x = (margin[0] + margin[1])/2;
else if (hor == 2) x = margin[1];
if (vert == 0) y = margin[3];
else if (vert == 1) y = (margin[2] + margin[3])/2;
else if (vert == 2) y = margin[2];
}
parent->FromScriptCoords(&x, &y);
if (!get_value<int>(diag, "\\org", 2, &orgx, &orgy)) {
orgx = x;
orgy = y;
}
else {
parent->FromScriptCoords(&orgx, &orgy);
}
diag->ClearBlocks();
}
template<class FeatureType>
void VisualTool<FeatureType>::GetLineMove(AssDialogue *diag,bool &hasMove,int &x1,int &y1,int &x2,int &y2,int &t1,int &t2) {
diag->ParseASSTags();
hasMove =
get_value<int>(diag, "\\move", 6, &x1, &y1, &x2, &y2, &t1, &t2) ||
get_value<int>(diag, "\\move", 4, &x1, &y1, &x2, &y2);
if (hasMove) {
parent->FromScriptCoords(&x1, &y1);
parent->FromScriptCoords(&x2, &y2);
}
diag->ClearBlocks();
}
template<class FeatureType>
void VisualTool<FeatureType>::GetLineRotation(AssDialogue *diag,float &rx,float &ry,float &rz) {
rx = ry = rz = 0.f;
AssStyle *style = grid->ass->GetStyle(diag->Style);
if (style) {
rz = style->angle;
}
diag->ParseASSTags();
get_value<float>(diag, L"\\frx", 1, &rx);
get_value<float>(diag, L"\\fry", 1, &ry);
get_value<float>(diag, L"\\frz", 1, &rz);
diag->ClearBlocks();
}
template<class FeatureType>
void VisualTool<FeatureType>::GetLineScale(AssDialogue *diag,float &scalX,float &scalY) {
scalX = scalY = 100.f;
AssStyle *style = grid->ass->GetStyle(diag->Style);
if (style) {
scalX = style->scalex;
scalY = style->scaley;
}
diag->ParseASSTags();
get_value<float>(diag, L"\\fscx", 1, &scalX);
get_value<float>(diag, L"\\fscy", 1, &scalY);
diag->ClearBlocks();
}
template<class FeatureType>
void VisualTool<FeatureType>::GetLineClip(AssDialogue *diag,int &x1,int &y1,int &x2,int &y2,bool &inverse) {
x1 = y1 = 0;
int sw,sh;
VideoContext::Get()->GetScriptSize(sw,sh);
x2 = sw-1;
y2 = sh-1;
inverse = false;
diag->ParseASSTags();
inverse = get_value<int>(diag, L"\\clip", 4, &x1, &y1, &x2, &y2) == ALT_TAG_FOUND;
diag->ClearBlocks();
parent->FromScriptCoords(&x1, &y1);
parent->FromScriptCoords(&x2, &y2);
}
template<class FeatureType>
wxString VisualTool<FeatureType>::GetLineVectorClip(AssDialogue *diag,int &scale,bool &inverse) {
scale = 1;
inverse = false;
diag->ParseASSTags();
int x1, y1, x2, y2;
TagFoundType res = get_value<int>(diag, L"\\clip", 4, &x1, &y1, &x2, &y2);
if (res) {
inverse = res == ALT_TAG_FOUND;
diag->ClearBlocks();
return wxString::Format(L"m %d %d l %d %d %d %d %d %d", x1, y1, x2, y1, x2, y2, x1, y2);
}
wxString result;
wxString scaleStr;
res = get_value<wxString>(diag, L"\\clip", 2, &scaleStr, &result);
inverse = res == ALT_TAG_FOUND;
if (!scaleStr.empty()) {
long s;
scaleStr.ToLong(&s);
scale = s;
}
diag->ClearBlocks();
return result;
}
/// @brief Set override
/// @param tag
/// @param value
template<class FeatureType>
void VisualTool<FeatureType>::SetOverride(AssDialogue* line, wxString tag, wxString value) {
if (!line) return;
wxString removeTag;
if (tag == L"\\1c") removeTag = L"\\c";
else if (tag == L"\\fr") removeTag = L"\\frz";
else if (tag == L"\\pos") removeTag = L"\\move";
else if (tag == L"\\move") removeTag = L"\\pos";
else if (tag == L"\\clip") removeTag = L"\\iclip";
else if (tag == L"\\iclip") removeTag = L"\\clip";
wxString insert = tag + value;
// Get block at start
line->ParseASSTags();
AssDialogueBlock *block = line->Blocks.at(0);
// Get current block as plain or override
AssDialogueBlockPlain *plain = dynamic_cast<AssDialogueBlockPlain*>(block);
AssDialogueBlockOverride *ovr = dynamic_cast<AssDialogueBlockOverride*>(block);
assert(dynamic_cast<AssDialogueBlockDrawing*>(block) == NULL);
if (plain) {
line->Text = L"{" + insert + L"}" + line->Text;
}
else if (ovr) {
// Remove old of same
for (size_t i = 0; i < ovr->Tags.size(); i++) {
wxString name = ovr->Tags[i]->Name;
if (tag == name || removeTag == name) {
delete ovr->Tags[i];
ovr->Tags.erase(ovr->Tags.begin() + i);
i--;
}
}
ovr->AddTag(insert);
line->UpdateText();
}
parent->SetFocus();
}
// If only export worked
template class VisualTool<VisualDraggableFeature>;
template class VisualTool<ClipCorner>;
template class VisualTool<VisualToolDragDraggableFeature>;
template class VisualTool<VisualToolVectorClipDraggableFeature>;
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