diff options
Diffstat (limited to 'chalk/plugins/tools/defaulttools/kis_tool_text.cpp')
| -rw-r--r-- | chalk/plugins/tools/defaulttools/kis_tool_text.cpp | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/chalk/plugins/tools/defaulttools/kis_tool_text.cpp b/chalk/plugins/tools/defaulttools/kis_tool_text.cpp new file mode 100644 index 000000000..1a2687f13 --- /dev/null +++ b/chalk/plugins/tools/defaulttools/kis_tool_text.cpp @@ -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 <tqfont.h> +#include <tqrect.h> +#include <tqimage.h> +#include <tqlayout.h> +#include <tqwidget.h> +#include <tqstring.h> +#include <tqpixmap.h> +#include <tqpainter.h> +#include <tqpushbutton.h> +#include <tqfontmetrics.h> +#include <tqhbox.h> + +#include <tdeaction.h> +#include <kinputdialog.h> +#include <tdelocale.h> +#include <tdefontdialog.h> +#include <ksqueezedtextlabel.h> + +#include <tqcolor.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() == Qt::LeftButton) { + m_wasPressed = true; + } +} + +void KisToolText::buttonRelease(KisButtonReleaseEvent *e) +{ + if ( m_windowIsBeingShown ) return; + + if (m_subject && e->button() == Qt::LeftButton) { + if(!m_wasPressed) return; + m_wasPressed = false; + KisImageSP img = m_subject->currentImg(); + + m_windowIsBeingShown = true; + bool ok; + TQString text = KInputDialog::getText(i18n("Font Tool"), i18n("Enter text:"), + TQString(), &ok); + if (!ok) { + m_windowIsBeingShown = false; + return; + } + + KisUndoAdapter *undoAdapter = img->undoAdapter(); + if (undoAdapter) { + undoAdapter->beginMacro(i18n("Text")); + } + + TQFontMetrics metrics(m_font); + TQRect boundingRect = TQT_TQRECT_OBJECT(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()); + + TQPixmap pixels(boundingRect.width(), boundingRect.height()); + { + TQPainter paint(&pixels); + paint.fillRect(boundingRect, TQt::white); + paint.setFont(m_font); + paint.setBrush(TQBrush(TQt::black)); + paint.drawText(xB, yB, text); + } + TQImage image = pixels.convertToImage(); + + TQ_INT32 height = boundingRect.height(); + TQ_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++) { + TQRgb pixel = image.pixel(x, y); + // use the 'blackness' as alpha :) + TQ_UINT8 alpha = 255 - tqRed(pixel) * OPACITY_OPAQUE / 255; + TQColor c = m_subject->fgColor().toTQColor(); + layer->paintDevice()->setPixel(x, y, c, alpha); + } + } + + layer->setOpacity(m_opacity); + layer->setCompositeOp(m_compositeOp); + + layer->setVisible(false); + TQ_INT32 x = TQMAX(0, static_cast<int>(e->x() - width/2)); + TQ_INT32 y = TQMAX(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() { + TDEFontDialog::getFont( m_font, false/*, TQWidget* parent! */ ); + m_lbFontName->setText(TQString(m_font.family() + ", %1").arg(m_font.pointSize())); +} + +TQWidget* KisToolText::createOptionWidget(TQWidget* parent) +{ + TQWidget *widget = super::createOptionWidget(parent); + + m_lbFont = new TQLabel(i18n("Font: "), widget); + + TQHBox *fontBox = new TQHBox(widget); + m_lbFontName = new KSqueezedTextLabel(TQString(m_font.family() + ", %1") + .arg(m_font.pointSize()), fontBox); + m_btnMoreFonts = new TQPushButton("...", fontBox); + + connect(m_btnMoreFonts, TQT_SIGNAL(released()), this, TQT_SLOT(setFont())); + + addOptionWidgetOption(fontBox, m_lbFont); + + return widget; +} + +void KisToolText::setup(TDEActionCollection *collection) +{ + m_action = static_cast<TDERadioAction *>(collection->action(name())); + + if (m_action == 0) { + m_action = new TDERadioAction(i18n("T&ext"), + "tool_text", + TQt::SHIFT+TQt::Key_T, + this, + TQT_SLOT(activate()), + collection, + name()); + m_action->setExclusiveGroup("tools"); + m_action->setToolTip(i18n("Text")); + m_ownAction = true; + } +} + +#include "kis_tool_text.moc" |