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Fichier > exporter exporte desormais le contenu du cadre

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@49 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavierqet
2007-02-01 01:07:26 +00:00
parent a5cc50f5ab
commit 982b2bce9a
11 changed files with 276 additions and 198 deletions
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70
diagram.cpp
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@@ -2,6 +2,7 @@
#include "conducer.h"
#include "customelement.h"
#include "diagram.h"
#include "exportdialog.h"
/**
Constructeur
@@ -17,7 +18,8 @@ Diagram::Diagram(QObject *parent) : QGraphicsScene(parent) {
t.setStyle(Qt::DashLine);
poseur_de_conducer -> setPen(t);
poseur_de_conducer -> setLine(QLineF(QPointF(0.0, 0.0), QPointF(0.0, 0.0)));
doit_dessiner_grille = true;
draw_grid = true;
use_border = true;
connect(this, SIGNAL(changed(const QList<QRectF> &)), this, SLOT(slot_checkSelectionChange()));
}
@@ -29,9 +31,9 @@ Diagram::Diagram(QObject *parent) : QGraphicsScene(parent) {
void Diagram::drawBackground(QPainter *p, const QRectF &r) {
p -> save();
// desactive tout antialiasing
// desactive tout antialiasing, sauf pour le texte
p -> setRenderHint(QPainter::Antialiasing, false);
p -> setRenderHint(QPainter::TextAntialiasing, false);
p -> setRenderHint(QPainter::TextAntialiasing, true);
p -> setRenderHint(QPainter::SmoothPixmapTransform, false);
// dessine un fond blanc
@@ -39,7 +41,7 @@ void Diagram::drawBackground(QPainter *p, const QRectF &r) {
p -> setBrush(Qt::white);
p -> drawRect(r);
if (doit_dessiner_grille) {
if (draw_grid) {
// dessine les points de la grille
p -> setPen(Qt::black);
p -> setBrush(Qt::NoBrush);
@@ -58,7 +60,7 @@ void Diagram::drawBackground(QPainter *p, const QRectF &r) {
}
}
border_and_inset.draw(p, MARGIN, MARGIN);
if (use_border) border_and_inset.draw(p, MARGIN, MARGIN);
p -> restore();
}
@@ -66,18 +68,22 @@ void Diagram::drawBackground(QPainter *p, const QRectF &r) {
Exporte le schema vers une image
@return Une QImage representant le schema
*/
QImage Diagram::toImage(int width, int height, bool respectRatio) {
// determine le contenu du schema
QRectF diagram_content = itemsBoundingRect();
// calcule la marge = 5 % de la longueur necessaire
qreal margin = 0.05 * diagram_content.width();
// en deduit la zone source utilisee pour l'image
QRectF source_area = diagram_content;
source_area.translate(-margin, -margin);
source_area.setWidth(diagram_content.width() + 2.0 * margin);
source_area.setHeight(diagram_content.height() + 2.0 * margin);
QImage Diagram::toImage(int width, int height, Qt::AspectRatioMode aspectRatioMode) {
// determine la zone source = contenu du schema + marges
QRectF source_area;
if (!use_border) {
source_area = itemsBoundingRect();
source_area.translate(-MARGIN, -MARGIN);
source_area.setWidth (source_area.width () + 2.0 * MARGIN);
source_area.setHeight(source_area.height() + 2.0 * MARGIN);
} else {
source_area = QRectF(
0.0,
0.0,
border_and_inset.borderWidth () + 2.0 * MARGIN,
border_and_inset.borderHeight() + 2.0 * MARGIN
);
}
// si les dimensions ne sont pas precisees, l'image est exportee a l'echelle 1:1
QSize image_size = (width == -1 && height == -1) ? source_area.size().toSize() : QSize(width, height);
@@ -87,8 +93,7 @@ QImage Diagram::toImage(int width, int height, bool respectRatio) {
// prepare le rendu
QPainter p;
bool painter_ok = p.begin(&pix);
if (!painter_ok) return(QImage());
if (!p.begin(&pix)) return(QImage());
// rendu antialiase
p.setRenderHint(QPainter::Antialiasing, true);
@@ -100,7 +105,7 @@ QImage Diagram::toImage(int width, int height, bool respectRatio) {
foreach (QGraphicsItem *qgi, selected_elmts) qgi -> setSelected(false);
// effectue le rendu lui-meme
render(&p, pix.rect(), source_area, respectRatio ? Qt::KeepAspectRatio : Qt::IgnoreAspectRatio);
render(&p, pix.rect(), source_area, aspectRatioMode);
p.end();
// restaure les elements selectionnes
@@ -112,22 +117,25 @@ QImage Diagram::toImage(int width, int height, bool respectRatio) {
/**
Permet de connaitre les dimensions qu'aura l'image generee par la methode toImage()
@return La taille de l'image generee par toImage()
@todo tenir compte des arguments
*/
QSize Diagram::imageSize() const {
// determine le contenu du schema
QRectF diagram_content = itemsBoundingRect();
// determine la zone source = contenu du schema + marges
qreal image_width, image_height;
if (!use_border) {
QRectF items_rect = itemsBoundingRect();
image_width = items_rect.width();
image_height = items_rect.height();
} else {
image_width = border_and_inset.borderWidth();
image_height = border_and_inset.borderHeight();
}
// calcule la marge = 5 % de la longueur necessaire
qreal margin = 0.05 * diagram_content.width();
// en deduit la zone source utilisee pour l'image
QRectF source_area = diagram_content;
source_area.translate(-margin, -margin);
source_area.setWidth(diagram_content.width() + 2.0 * margin);
source_area.setHeight(diagram_content.height() + 2.0 * margin);
image_width += 2.0 * MARGIN;
image_height += 2.0 * MARGIN;
// renvoie la taille de la zone source
return(source_area.size().toSize());
return(QSizeF(image_width, image_height).toSize());
}
/**