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 <wx/glcanvas.h>
#endif
#ifdef __APPLE__
#include <OpenGL/GL.h>
#else
#include <GL/gl.h>
#endif
#include "ass_dialogue.h"
#include "ass_file.h"
#include "ass_override.h"
#include "ass_style.h"
#include "ass_time.h"
#include "export_visible_lines.h"
#include "main.h"
#include "options.h"
#include "subs_edit_box.h"
#include "subs_grid.h"
#include "utils.h"
#include "vfr.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)
: dragStartX(0)
, dragStartY(0)
, selChanged(false)
, parent(parent)
, holding(false)
, curDiag(NULL)
, dragging(false)
, externalChange(true)
, curFeature(NULL)
, dragListOK(false)
, frame_n(0)
, video(video)
, leftClick(false)
, leftDClick(false)
, shiftDown(false)
, ctrlDown(false)
, altDown(false)
{
if (VideoContext::Get()->IsLoaded()) {
frame_n = VideoContext::Get()->GetFrameN();
VideoContext::Get()->grid->RegisterSelectionChange(this);
}
PopulateFeatureList();
}
template<class FeatureType>
VisualTool<FeatureType>::~VisualTool() {
VideoContext::Get()->grid->RegisterSelectionChange(NULL);
}
template<class FeatureType>
void VisualTool<FeatureType>::OnMouseEvent (wxMouseEvent &event) {
bool realTime = OPT_GET("Video/Visual Realtime")->GetBool();
if (event.Leaving()) {
Update();
return;
}
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 (!dragListOK) {
PopulateFeatureList();
dragListOK = true;
}
if (!dragging) {
GetHighlightedFeature();
}
if (dragging) {
// continue drag
if (event.LeftIsDown()) {
for (selection_iterator cur = selFeatures.begin(); cur != selFeatures.end(); ++cur) {
features[*cur].x = (video.x - dragStartX + features[*cur].origX);
features[*cur].y = (video.y - dragStartY + features[*cur].origY);
if (shiftDown) {
if (abs(video.x - dragStartX) > abs(video.y - dragStartY)) {
features[*cur].y = features[*cur].origY;
}
else {
features[*cur].x = features[*cur].origX;
}
}
UpdateDrag(&features[*cur]);
if (realTime) {
CommitDrag(&features[*cur]);
}
}
if (realTime) Commit();
}
// end drag
else {
if (realTime) AssLimitToVisibleFilter::SetFrame(-1);
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(curFeatureI);
}
else {
// deselect everything else
ClearSelection();
AddSelection(curFeatureI);
}
}
}
else {
for (selection_iterator cur = selFeatures.begin(); cur != selFeatures.end(); ++cur) {
CommitDrag(&features[*cur]);
}
Commit(true);
}
curFeature = NULL;
parent->ReleaseMouse();
parent->SetFocus();
}
}
else if (holding) {
// continue hold
if (event.LeftIsDown()) {
UpdateHold();
if (realTime) {
CommitHold();
Commit();
}
}
// end hold
else {
if (realTime) AssLimitToVisibleFilter::SetFrame(-1);
holding = false;
CommitHold();
Commit(true);
curDiag = NULL;
parent->ReleaseMouse();
parent->SetFocus();
}
}
else if (leftClick) {
// start drag
if (curFeature) {
if (InitializeDrag(curFeature)) {
if (selFeatures.find(curFeatureI) == selFeatures.end()) {
selChanged = true;
if (!ctrlDown) {
ClearSelection();
}
AddSelection(curFeatureI);
}
else {
selChanged = false;
}
if (curFeature->lineN != -1) {
SetEditbox(curFeature->lineN);
}
dragStartX = video.x;
dragStartY = video.y;
for (selection_iterator cur = selFeatures.begin(); cur != selFeatures.end(); ++cur) {
features[*cur].origX = features[*cur].x;
features[*cur].origY = features[*cur].y;
}
dragging = true;
parent->CaptureMouse();
if (realTime) AssLimitToVisibleFilter::SetFrame(frame_n);
}
}
// start hold
else {
if (!altDown) {
ClearSelection();
SetEditbox();
}
curDiag = GetActiveDialogueLine();
if (curDiag && InitializeHold()) {
holding = true;
parent->CaptureMouse();
if (realTime) AssLimitToVisibleFilter::SetFrame(frame_n);
}
}
}
Update();
externalChange = true;
}
template<class FeatureType>
void VisualTool<FeatureType>::Commit(bool full, wxString message) {
SubtitlesGrid *grid = VideoContext::Get()->grid;
if (full) {
if (message.empty()) {
message = _("visual typesetting");
}
grid->ass->FlagAsModified(message);
}
grid->CommitChanges(false,!full);
grid->editBox->Update(false, true);
}
template<class FeatureType>
AssDialogue* VisualTool<FeatureType>::GetActiveDialogueLine() {
SubtitlesGrid *grid = VideoContext::Get()->grid;
AssDialogue *diag = grid->GetDialogue(grid->editBox->linen);
if (grid->IsDisplayed(diag))
return diag;
return NULL;
}
template<class FeatureType>
void VisualTool<FeatureType>::GetHighlightedFeature() {
int highestLayerFound = INT_MIN;
curFeature = NULL;
curFeatureI = -1;
unsigned i = 0;
for (feature_iterator cur = features.begin(); cur != features.end(); ++cur, ++i) {
if (cur->IsMouseOver(video.x, video.y) && cur->layer > highestLayerFound) {
curFeature = &*cur;
curFeatureI = i;
highestLayerFound = cur->layer;
}
}
}
template<class FeatureType>
void VisualTool<FeatureType>::DrawAllFeatures() {
if (!dragListOK) {
PopulateFeatureList();
dragListOK = true;
}
for (unsigned i = 0; i < features.size(); ++i) {
int fill;
if (&features[i] == curFeature)
fill = 2;
else if (selFeatures.find(i) != selFeatures.end())
fill = 3;
else
fill = 1;
SetFillColour(colour[fill],0.6f);
SetLineColour(colour[0],1.0f,2);
features[i].Draw(*this);
}
}
template<class FeatureType>
void VisualTool<FeatureType>::Refresh() {
frame_n = VideoContext::Get()->GetFrameN();
if (externalChange) {
dragListOK = false;
DoRefresh();
}
}
template<class FeatureType>
void VisualTool<FeatureType>::AddSelection(unsigned i) {
assert(i < features.size());
if (selFeatures.insert(i).second && features[i].line) {
lineSelCount[features[i].lineN] += 1;
SubtitlesGrid *grid = VideoContext::Get()->grid;
grid->SelectRow(features[i].lineN, true);
}
}
template<class FeatureType>
void VisualTool<FeatureType>::RemoveSelection(unsigned i) {
assert(i < features.size());
if (selFeatures.erase(i) > 0 && features[i].line) {
// Deselect a line only if all features for that line have been
// deselected
int lineN = features[i].lineN;
lineSelCount[lineN] -= 1;
assert(lineSelCount[lineN] >= 0);
if (lineSelCount[lineN] <= 0) {
SubtitlesGrid *grid = VideoContext::Get()->grid;
grid->SelectRow(lineN, true, false);
// We may have just deselected the active line, so make sure the
// edit box is set to something sane
SetEditbox();
}
}
}
template<class FeatureType>
wxArrayInt VisualTool<FeatureType>::GetSelection() {
return VideoContext::Get()->grid->GetSelection();
}
template<class FeatureType>
void VisualTool<FeatureType>::ClearSelection(bool hard) {
if (hard) {
VideoContext::Get()->grid->SelectRow(0, false, false);
}
selFeatures.clear();
lineSelCount.clear();
}
template<class FeatureType>
void VisualTool<FeatureType>::SetEditbox(int lineN) {
VideoContext* con = VideoContext::Get();
if (lineN > -1) {
con->grid->editBox->SetToLine(lineN);
con->grid->SelectRow(lineN, true);
}
else {
wxArrayInt sel = GetSelection();
// If there is a selection and the edit box's line is in it, do nothing
// Otherwise set the edit box if there is a selection or the selection
// to the edit box if there is no selection
if (sel.empty()) {
con->grid->SelectRow(con->grid->editBox->linen, true);
return;
}
else if (!std::binary_search(sel.begin(), sel.end(), con->grid->editBox->linen)) {
con->grid->editBox->SetToLine(sel[0]);
}
}
}
/// @brief Get position of line
/// @param diag
/// @param x
/// @param y
template<class FeatureType>
void VisualTool<FeatureType>::GetLinePosition(AssDialogue *diag,int &x, int &y) {
int orgx,orgy;
GetLinePosition(diag,x,y,orgx,orgy);
}
/// @brief DOCME
/// @param diag
/// @param x
/// @param y
/// @param orgx
/// @param orgy
template<class FeatureType>
void VisualTool<FeatureType>::GetLinePosition(AssDialogue *diag,int &x, int &y, int &orgx, int &orgy) {
if (!diag) {
x = INT_MIN;
y = INT_MIN;
orgx = INT_MIN;
orgy = INT_MIN;
return;
}
int margin[4];
for (int i=0;i<4;i++) margin[i] = diag->Margin[i];
int align = 2;
AssStyle *style = VideoContext::Get()->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[3] = margin[2];
margin[1] = sw - margin[1];
margin[3] = sh - margin[3];
// Position
bool posSet = false;
bool orgSet = false;
// Overrides processing
diag->ParseASSTags();
AssDialogueBlockOverride *override;
AssOverrideTag *tag;
size_t blockn = diag->Blocks.size();
for (size_t i=0;i<blockn;i++) {
if (posSet && orgSet) break;
override = AssDialogueBlock::GetAsOverride(diag->Blocks.at(i));
if (override) {
for (size_t j=0;j<override->Tags.size();j++) {
tag = override->Tags.at(j);
// Position
if ((tag->Name == L"\\pos" || tag->Name == L"\\move") && tag->Params.size() >= 2) {
if (!posSet) {
x = tag->Params[0]->AsInt();
y = tag->Params[1]->AsInt();
posSet = true;
}
}
// Alignment
else if ((tag->Name == L"\\an" || tag->Name == L"\\a") && tag->Params.size() >= 1) {
align = tag->Params[0]->AsInt();
if (tag->Name == L"\\a") {
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;
}
}
}
// Origin
else if (!orgSet && tag->Name == L"\\org" && tag->Params.size() >= 2) {
orgx = tag->Params[0]->AsInt();
orgy = tag->Params[1]->AsInt();
parent->FromScriptCoords(&orgx, &orgy);
orgSet = true;
}
}
}
}
diag->ClearBlocks();
if (!posSet) {
// 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);
// No origin?
if (!orgSet) {
orgx = x;
orgy = y;
}
}
/// @brief Get the destination of move, if any
/// @param diag
/// @param hasMove
/// @param x1
/// @param y1
/// @param x2
/// @param y2
/// @param t1
/// @param t2
template<class FeatureType>
void VisualTool<FeatureType>::GetLineMove(AssDialogue *diag,bool &hasMove,int &x1,int &y1,int &x2,int &y2,int &t1,int &t2) {
// Parse tags
hasMove = false;
diag->ParseASSTags();
AssDialogueBlockOverride *override;
AssOverrideTag *tag;
size_t blockn = diag->Blocks.size();
// For each block
for (size_t i=0;i<blockn;i++) {
override = AssDialogueBlock::GetAsOverride(diag->Blocks.at(i));
if (override) {
for (size_t j=0;j<override->Tags.size();j++) {
tag = override->Tags.at(j);
// Position
if (tag->Name == L"\\move" && tag->Params.size() >= 4) {
hasMove = true;
x1 = tag->Params[0]->AsInt();
y1 = tag->Params[1]->AsInt();
x2 = tag->Params[2]->AsInt();
y2 = tag->Params[3]->AsInt();
parent->FromScriptCoords(&x1, &y1);
parent->FromScriptCoords(&x2, &y2);
if (tag->Params.size() >= 6 &&
!tag->Params[4]->ommited &&
!tag->Params[5]->ommited) {
t1 = tag->Params[4]->AsInt();
t2 = tag->Params[5]->AsInt();
}
return;
}
}
}
}
diag->ClearBlocks();
}
/// @brief Get line's rotation
/// @param diag
/// @param rx
/// @param ry
/// @param rz
template<class FeatureType>
void VisualTool<FeatureType>::GetLineRotation(AssDialogue *diag,float &rx,float &ry,float &rz) {
// Default values
rx = ry = rz = 0.0f;
// No dialogue
if (!diag) return;
// Prepare overrides
diag->ParseASSTags();
AssDialogueBlockOverride *override;
AssOverrideTag *tag;
size_t blockn = diag->Blocks.size();
if (blockn == 0) {
diag->ClearBlocks();
return;
}
// Process override
override = AssDialogueBlock::GetAsOverride(diag->Blocks.at(0));
if (override) {
for (size_t j=0;j<override->Tags.size();j++) {
tag = override->Tags.at(j);
if (tag->Name == L"\\frx" && tag->Params.size() == 1) {
rx = tag->Params[0]->AsFloat();
}
if (tag->Name == L"\\fry" && tag->Params.size() == 1) {
ry = tag->Params[0]->AsFloat();
}
if ((tag->Name == L"\\frz" || tag->Name == L"\fr") && tag->Params.size() == 1) {
rz = tag->Params[0]->AsFloat();
}
}
}
diag->ClearBlocks();
}
/// @brief Get line's scale
/// @param diag
/// @param scalX
/// @param scalY
template<class FeatureType>
void VisualTool<FeatureType>::GetLineScale(AssDialogue *diag,float &scalX,float &scalY) {
// Default values
scalX = scalY = 100.0f;
// Prepare overrides
diag->ParseASSTags();
AssDialogueBlockOverride *override;
AssOverrideTag *tag;
size_t blockn = diag->Blocks.size();
if (blockn == 0) {
diag->ClearBlocks();
return;
}
// Process override
override = AssDialogueBlock::GetAsOverride(diag->Blocks.at(0));
if (override) {
for (size_t j=0;j<override->Tags.size();j++) {
tag = override->Tags.at(j);
if (tag->Name == L"\\fscx" && tag->Params.size() == 1) {
scalX = tag->Params[0]->AsFloat();
}
if (tag->Name == L"\\fscy" && tag->Params.size() == 1) {
scalY = tag->Params[0]->AsFloat();
}
}
}
diag->ClearBlocks();
}
/// @brief Get line's clip
/// @param diag
/// @param x1
/// @param y1
/// @param x2
/// @param y2
/// @param inverse
template<class FeatureType>
void VisualTool<FeatureType>::GetLineClip(AssDialogue *diag,int &x1,int &y1,int &x2,int &y2,bool &inverse) {
// Default values
x1 = y1 = 0;
int sw,sh;
VideoContext::Get()->GetScriptSize(sw,sh);
x2 = sw-1;
y2 = sh-1;
inverse = false;
// Prepare overrides
diag->ParseASSTags();
AssDialogueBlockOverride *override;
AssOverrideTag *tag;
size_t blockn = diag->Blocks.size();
if (blockn == 0) {
diag->ClearBlocks();
return;
}
// Process override
override = AssDialogueBlock::GetAsOverride(diag->Blocks.at(0));
if (override) {
for (size_t j=0;j<override->Tags.size();j++) {
tag = override->Tags.at(j);
if (tag->Name == L"\\clip" && tag->Params.size() == 4) {
x1 = tag->Params[0]->AsInt();
y1 = tag->Params[1]->AsInt();
x2 = tag->Params[2]->AsInt();
y2 = tag->Params[3]->AsInt();
inverse = false;
}
else if (tag->Name == L"\\iclip" && tag->Params.size() == 4) {
x1 = tag->Params[0]->AsInt();
y1 = tag->Params[1]->AsInt();
x2 = tag->Params[2]->AsInt();
y2 = tag->Params[3]->AsInt();
inverse = true;
}
}
}
diag->ClearBlocks();
parent->FromScriptCoords(&x1, &y1);
parent->FromScriptCoords(&x2, &y2);
}
/// @brief Get line vector clip, if it exists
/// @param diag
/// @param scale
/// @param inverse
template<class FeatureType>
wxString VisualTool<FeatureType>::GetLineVectorClip(AssDialogue *diag,int &scale,bool &inverse) {
// Prepare overrides
wxString result;
scale = 1;
inverse = false;
diag->ParseASSTags();
AssDialogueBlockOverride *override;
AssOverrideTag *tag;
size_t blockn = diag->Blocks.size();
if (blockn == 0) {
diag->ClearBlocks();
return result;
}
// Process override
override = AssDialogueBlock::GetAsOverride(diag->Blocks.at(0));
if (override) {
for (size_t j=0;j<override->Tags.size();j++) {
tag = override->Tags.at(j);
if (tag->Name == L"\\clip" || tag->Name == L"\\iclip") {
if (tag->Params.size() == 1) {
result = tag->Params[0]->AsText();
}
else if (tag->Params.size() == 2) {
scale = tag->Params[0]->AsInt();
result = tag->Params[1]->AsText();
}
else if (tag->Params.size() == 4) {
int x1 = tag->Params[0]->AsInt(),
y1 = tag->Params[1]->AsInt(),
x2 = tag->Params[2]->AsInt(),
y2 = tag->Params[3]->AsInt();
result = wxString::Format(L"m %d %d l %d %d %d %d %d %d", x1, y1, x2, y1, x2, y2, x1, y2);
}
inverse = tag->Name == L"\\iclip";
}
}
}
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);
if (plain) {
line->Text = L"{" + insert + L"}" + line->Text;
}
else if (ovr) {
ovr->text += insert;
ovr->ParseTags();
// Remove old of same
for (size_t i = 0; i < ovr->Tags.size() - 1; i++) {
wxString name = ovr->Tags.at(i)->Name;
if (tag == name || removeTag == name) {
delete ovr->Tags.at(i);
ovr->Tags.erase(ovr->Tags.begin() + i);
i--;
}
}
line->UpdateText();
}
parent->SetFocus();
}
// If only export worked
template class VisualTool<VisualDraggableFeature>;
template class VisualTool<ClipCorner>;
template class VisualTool<VisualToolDragDraggableFeature>;
template class VisualTool<VisualToolVectorClipDraggableFeature>;