diff options
Diffstat (limited to 'krita/plugins/tools/defaulttools/kis_tool_text.cc')
| -rw-r--r-- | krita/plugins/tools/defaulttools/kis_tool_text.cc | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/krita/plugins/tools/defaulttools/kis_tool_text.cc b/krita/plugins/tools/defaulttools/kis_tool_text.cc new file mode 100644 index 00000000..b75f1b1b --- /dev/null +++ b/krita/plugins/tools/defaulttools/kis_tool_text.cc @@ -0,0 +1,198 @@ +/* + * Copyright (c) 2004 Bart Coppens <kde@bartcoppens.be> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <qfont.h> +#include <qrect.h> +#include <qimage.h> +#include <qlayout.h> +#include <qwidget.h> +#include <qstring.h> +#include <qpixmap.h> +#include <qpainter.h> +#include <qpushbutton.h> +#include <qfontmetrics.h> +#include <qhbox.h> + +#include <kaction.h> +#include <kinputdialog.h> +#include <klocale.h> +#include <kfontdialog.h> +#include <ksqueezedtextlabel.h> + +#include <qcolor.h> + +#include "kis_point.h" +#include "kis_image.h" +#include "kis_layer.h" +#include "kis_group_layer.h" +#include "kis_paint_layer.h" +#include "kis_cursor.h" +#include "kis_tool_text.h" +#include "kis_paint_device.h" +#include "kis_canvas_subject.h" +#include "kis_button_press_event.h" +#include "kis_button_release_event.h" +#include "kis_color.h" +#include "kis_undo_adapter.h" + +KisToolText::KisToolText() + : super(i18n("Text")) + , m_wasPressed( false ) + , m_windowIsBeingShown( false ) +{ + setName("tool_text"); + m_subject = 0; + setCursor(KisCursor::load("tool_text_cursor.png", 6, 6)); +} + +KisToolText::~KisToolText() +{ +} + +void KisToolText::update(KisCanvasSubject *subject) +{ + m_subject = subject; + super::update(subject); +} + +void KisToolText::buttonPress(KisButtonPressEvent *e) +{ + if (m_subject && e->button() == QMouseEvent::LeftButton) { + m_wasPressed = true; + } +} + +void KisToolText::buttonRelease(KisButtonReleaseEvent *e) +{ + if ( m_windowIsBeingShown ) return; + + if (m_subject && e->button() == QMouseEvent::LeftButton) { + if(!m_wasPressed) return; + m_wasPressed = false; + KisImageSP img = m_subject->currentImg(); + + m_windowIsBeingShown = true; + bool ok; + QString text = KInputDialog::getText(i18n("Font Tool"), i18n("Enter text:"), + QString::null, &ok); + if (!ok) { + m_windowIsBeingShown = false; + return; + } + + KisUndoAdapter *undoAdapter = img->undoAdapter(); + if (undoAdapter) { + undoAdapter->beginMacro(i18n("Text")); + } + + QFontMetrics metrics(m_font); + QRect boundingRect = metrics.boundingRect(text).normalize(); + int xB = - boundingRect.x(); + int yB = - boundingRect.y(); + + if (boundingRect.x() < 0 || boundingRect.y() < 0) + boundingRect.moveBy(- boundingRect.x(), - boundingRect.y()); + + QPixmap pixels(boundingRect.width(), boundingRect.height()); + { + QPainter paint(&pixels); + paint.fillRect(boundingRect, Qt::white); + paint.setFont(m_font); + paint.setBrush(QBrush(Qt::black)); + paint.drawText(xB, yB, text); + } + QImage image = pixels.convertToImage(); + + Q_INT32 height = boundingRect.height(); + Q_INT32 width = boundingRect.width(); + KisPaintLayer *layer = new KisPaintLayer(img, '"' + text + '"', OPACITY_OPAQUE); + KisGroupLayerSP parent = img->rootLayer(); + if (img->activeLayer()) + parent = img->activeLayer()->parent(); + img->addLayer(layer, parent, img->activeLayer()); + for (int y = 0; y < height; y++) { + for (int x = 0; x < width; x++) { + QRgb pixel = image.pixel(x, y); + // use the 'blackness' as alpha :) + Q_UINT8 alpha = 255 - qRed(pixel) * OPACITY_OPAQUE / 255; + QColor c = m_subject->fgColor().toQColor(); + layer->paintDevice()->setPixel(x, y, c, alpha); + } + } + + layer->setOpacity(m_opacity); + layer->setCompositeOp(m_compositeOp); + + layer->setVisible(false); + Q_INT32 x = QMAX(0, static_cast<int>(e->x() - width/2)); + Q_INT32 y = QMAX(0, static_cast<int>(e->y() - height/2)); + layer->setX(x); + layer->setY(y); + layer->setVisible(true); + layer->setDirty(); + + if (undoAdapter) { + undoAdapter->endMacro(); + } + + m_windowIsBeingShown = false; + } +} + +void KisToolText::setFont() { + KFontDialog::getFont( m_font, false/*, QWidget* parent! */ ); + m_lbFontName->setText(QString(m_font.family() + ", %1").arg(m_font.pointSize())); +} + +QWidget* KisToolText::createOptionWidget(QWidget* parent) +{ + QWidget *widget = super::createOptionWidget(parent); + + m_lbFont = new QLabel(i18n("Font: "), widget); + + QHBox *fontBox = new QHBox(widget); + m_lbFontName = new KSqueezedTextLabel(QString(m_font.family() + ", %1") + .arg(m_font.pointSize()), fontBox); + m_btnMoreFonts = new QPushButton("...", fontBox); + + connect(m_btnMoreFonts, SIGNAL(released()), this, SLOT(setFont())); + + addOptionWidgetOption(fontBox, m_lbFont); + + return widget; +} + +void KisToolText::setup(KActionCollection *collection) +{ + m_action = static_cast<KRadioAction *>(collection->action(name())); + + if (m_action == 0) { + m_action = new KRadioAction(i18n("T&ext"), + "tool_text", + Qt::SHIFT+Qt::Key_T, + this, + SLOT(activate()), + collection, + name()); + m_action->setExclusiveGroup("tools"); + m_action->setToolTip(i18n("Text")); + m_ownAction = true; + } +} + +#include "kis_tool_text.moc" |