void
ChangeScreenSize(int wi, int he, int change_fore)
{
struct win *p;
struct canvas *cv;
int wwi;
debug2("ChangeScreenSize from (%d,%d) ", D_width, D_height);
debug3("to (%d,%d) (change_fore: %d)\n",wi, he, change_fore);
cv = &D_canvas;
cv->c_xe = wi - 1;
cv->c_ys = (D_has_hstatus == HSTATUS_FIRSTLINE);
cv->c_ye = he - 1 - ((cv->c_slperp && cv->c_slperp->c_slnext) || captionalways) - (D_has_hstatus == HSTATUS_LASTLINE);
cv->c_blank.l_height = cv->c_ye - cv->c_ys + 1;
if (cv->c_slperp)
{
ResizeCanvas(cv);
RecreateCanvasChain();
RethinkDisplayViewports();
}
if (D_forecv == 0)
D_forecv = D_cvlist;
if (D_forecv)
D_fore = Layer2Window(D_forecv->c_layer);
D_width = wi;
D_height = he;
CheckMaxSize(wi);
if (D_CWS)
{
D_defwidth = D_CO;
D_defheight = D_LI;
}
else
{
if (D_CZ0 && (wi == Z0width || wi == Z1width) &&
(D_CO == Z0width || D_CO == Z1width))
D_defwidth = D_CO;
else
D_defwidth = wi;
D_defheight = he;
}
debug2("Default size: (%d,%d)\n", D_defwidth, D_defheight);
if (change_fore)
ResizeLayersToCanvases();
if (change_fore == 2 && D_CWS == NULL && displays->d_next == 0)
{
/* adapt all windows - to be removed ? */
for (p = windows; p; p = p->w_next)
{
debug1("Trying to change window %d.\n", p->w_number);
wwi = wi;
if (p->w_savelayer && p->w_savelayer->l_cvlist == 0)
ResizeLayer(p->w_savelayer, wwi, he, 0);
}
}
}
void ResizeLayersToCanvases()
{
Canvas *cv;
Layer *l;
int lx, ly;
D_kaablamm = 0;
for (cv = D_cvlist; cv; cv = cv->c_next) {
l = cv->c_layer;
if (l == 0)
continue;
if (l->l_width == cv->c_xe - cv->c_xs + 1 && l->l_height == cv->c_ye - cv->c_ys + 1) {
continue;
}
if (MayResizeLayer(l)) {
ResizeLayer(l, cv->c_xe - cv->c_xs + 1, cv->c_ye - cv->c_ys + 1, display);
}
/* normalize window, see screen.c */
lx = cv->c_layer->l_x;
ly = cv->c_layer->l_y;
if (ly + cv->c_yoff < cv->c_ys) {
cv->c_yoff = cv->c_ys - ly;
RethinkViewportOffsets(cv);
} else if (ly + cv->c_yoff > cv->c_ye) {
cv->c_yoff = cv->c_ye - ly;
RethinkViewportOffsets(cv);
}
if (lx + cv->c_xoff < cv->c_xs) {
int n = cv->c_xs - (lx + cv->c_xoff);
if (n < (cv->c_xe - cv->c_xs + 1) / 2)
n = (cv->c_xe - cv->c_xs + 1) / 2;
if (cv->c_xoff + n > cv->c_xs)
n = cv->c_xs - cv->c_xoff;
cv->c_xoff += n;
RethinkViewportOffsets(cv);
} else if (lx + cv->c_xoff > cv->c_xe) {
int n = lx + cv->c_xoff - cv->c_xe;
if (n < (cv->c_xe - cv->c_xs + 1) / 2)
n = (cv->c_xe - cv->c_xs + 1) / 2;
if (cv->c_xoff - n + cv->c_layer->l_width - 1 < cv->c_xe)
n = cv->c_xoff + cv->c_layer->l_width - 1 - cv->c_xe;
cv->c_xoff -= n;
RethinkViewportOffsets(cv);
}
}
Redisplay(0);
if (D_kaablamm) {
kaablamm();
D_kaablamm = 0;
}
}
void ChangeScreenSize(int wi, int he, int change_fore)
{
Window *p;
Canvas *cv;
int wwi;
cv = &D_canvas;
cv->c_xe = wi - 1;
cv->c_ys = ((cv->c_slperp && cv->c_slperp->c_slnext) || captionalways) * captiontop + (D_has_hstatus == HSTATUS_FIRSTLINE);
cv->c_ye = he - 1 - ((cv->c_slperp && cv->c_slperp->c_slnext)
|| captionalways) * !captiontop - (D_has_hstatus == HSTATUS_LASTLINE);
cv->c_blank.l_height = cv->c_ye - cv->c_ys + 1;
if (cv->c_slperp) {
ResizeCanvas(cv);
RecreateCanvasChain();
RethinkDisplayViewports();
}
if (D_forecv == 0)
D_forecv = D_cvlist;
if (D_forecv)
D_fore = Layer2Window(D_forecv->c_layer);
D_width = wi;
D_height = he;
CheckMaxSize(wi);
if (D_CWS) {
D_defwidth = D_CO;
D_defheight = D_LI;
} else {
if (D_CZ0 && (wi == Z0width || wi == Z1width) && (D_CO == Z0width || D_CO == Z1width))
D_defwidth = D_CO;
else
D_defwidth = wi;
D_defheight = he;
}
if (change_fore)
ResizeLayersToCanvases();
if (change_fore == 2 && D_CWS == NULL && displays->d_next == 0) {
/* adapt all windows - to be removed ? */
for (p = windows; p; p = p->w_next) {
wwi = wi;
if (p->w_savelayer && p->w_savelayer->l_cvlist == 0)
ResizeLayer(p->w_savelayer, wwi, he, 0);
}
}
}
bool GuillotineImageAtlas::Insert(const Image& image, Rectui* rect, bool* flipped, unsigned int* layerIndex)
{
if (m_layers.empty())
// On créé une première couche s'il n'y en a pas
m_layers.resize(1);
// Cette fonction ne fait qu'insérer un rectangle de façon virtuelle, l'insertion des images se fait après
for (unsigned int i = 0; i < m_layers.size(); ++i)
{
Layer& layer = m_layers[i];
// Une fois qu'un certain nombre de rectangles ont étés libérés d'une couche, on fusionne les rectangles libres
if (layer.freedRectangles > 10) // Valeur totalement arbitraire
{
while (layer.binPack.MergeFreeRectangles()); // Tant qu'une fusion est possible
layer.freedRectangles = 0; // Et on repart de zéro
}
if (layer.binPack.Insert(rect, flipped, 1, false, m_rectChoiceHeuristic, m_rectSplitHeuristic))
{
// Insertion réussie dans l'une des couches, on place le glyphe en file d'attente
layer.queuedGlyphs.resize(layer.queuedGlyphs.size()+1);
QueuedGlyph& glyph = layer.queuedGlyphs.back();
glyph.flipped = *flipped;
glyph.image = image; // Merci le Copy-On-Write
glyph.rect = *rect;
*layerIndex = i;
return true;
}
else if (i == m_layers.size() - 1) // Dernière itération ?
{
// Dernière couche, et le glyphe ne rentre pas, peut-on agrandir la taille de l'image ?
Vector2ui newSize = layer.binPack.GetSize()*2;
if (newSize == Vector2ui::Zero())
newSize.Set(s_atlasStartSize);
if (ResizeLayer(layer, newSize))
{
// Oui on peut !
layer.binPack.Expand(newSize); // On ajuste l'atlas virtuel
// Et on relance la boucle sur la nouvelle dernière couche
i--;
}
else
{
// On ne peut plus agrandir la dernière couche, il est temps d'en créer une nouvelle
newSize.Set(s_atlasStartSize);
Layer newLayer;
if (!ResizeLayer(newLayer, newSize))
{
// Impossible d'allouer une nouvelle couche, nous manquons probablement de mémoire (ou le glyphe est trop grand)
NazaraError("Failed to allocate new layer, we are probably out of memory");
return false;
}
newLayer.binPack.Reset(newSize);
m_layers.emplace_back(std::move(newLayer)); // Insertion du layer
// On laisse la boucle insérer toute seule le rectangle à la prochaine itération
}
}
}
NazaraInternalError("Unknown error"); // Normalement on ne peut pas arriver ici
return false;
}
