/*
* Dillo Widget
*
* Copyright 2013 Sebastian Geerken <sgeerken@dillo.org>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include "../dw/core.hh"
#include "../dw/fltkcore.hh"
#include "../dw/fltkviewport.hh"
#include "../dw/textblock.hh"
#include "../dw/image.hh"
using namespace lout::signal;
using namespace lout::misc;
using namespace dw;
using namespace dw::core;
using namespace dw::core::style;
using namespace dw::fltk;
class ImageStyleDeletionReceiver: public ObservedObject::DeletionReceiver
{
public:
void deleted (ObservedObject *object);
};
static StyleImage *image1 = NULL, *image2 = NULL;
static Layout *layout;
static int imgRow1 = 0, imgRow2 = 0;
static ImageStyleDeletionReceiver isdr;
void ImageStyleDeletionReceiver::deleted (ObservedObject *object)
{
if ((StyleImage*)object == image1)
image1 = NULL;
else if ((StyleImage*)object == image2)
image2 = NULL;
else
assertNotReached ();
}
static void imageInitTimeout (void *data)
{
if (image1) {
Imgbuf *imgbuf1 = layout->createImgbuf (Imgbuf::RGB, 400, 200, 1);
image1->getMainImgRenderer()->setBuffer (imgbuf1, false);
}
if (image2) {
Imgbuf *imgbuf2 = layout->createImgbuf (Imgbuf::RGB, 100, 100, 1);
image2->getMainImgRenderer()->setBuffer (imgbuf2, false);
}
}
static void imageDrawTimeout (void *data)
{
Imgbuf *imgbuf1 = image1 ? image1->getImgbufSrc () : NULL;
Imgbuf *imgbuf2 = image2 ? image2->getImgbufSrc () : NULL;
if (imgbuf1 && imgRow1 < 200) {
byte buf[3 * 400];
for(int x = 0; x < 400; x++) {
buf[3 * x + 0] = 128 + x * 127 / 399;
buf[3 * x + 1] = 128 + (399 - x) * 127 / 399;
buf[3 * x + 2] = 128 + imgRow1 * 127 / 199;
}
imgbuf1->copyRow (imgRow1, buf);
image1->getMainImgRenderer()->drawRow (imgRow1);
imgRow1++;
}
if (imgbuf2 && imgRow2 < 100) {
byte buf[3 * 100];
for(int x = 0; x < 100; x++) {
int r = 128 + rand () % 127;
buf[3 * x + 0] = buf[3 * x + 1] = buf[3 * x + 2] = r;
}
imgbuf2->copyRow (imgRow2, buf);
image2->getMainImgRenderer()->drawRow (imgRow2);
imgRow2++;
}
if(imgRow1 < 200 || imgRow2 < 100)
Fl::repeat_timeout (0.5, imageDrawTimeout, NULL);
}
int main(int argc, char **argv)
{
FltkPlatform *platform = new FltkPlatform ();
layout = new Layout (platform);
Fl_Window *window = new Fl_Window(200, 300, "Dw Example");
window->box(FL_NO_BOX);
window->begin();
FltkViewport *viewport = new FltkViewport (0, 0, 200, 300);
layout->attachView (viewport);
image1 = StyleImage::create ();
image1->connectDeletion (&isdr);
layout->setBgImage (image1, BACKGROUND_REPEAT_Y,
BACKGROUND_ATTACHMENT_SCROLL, createPerLength (0.5),
createAbsLength (30));
StyleAttrs styleAttrs;
styleAttrs.initValues ();
styleAttrs.margin.setVal (5);
styleAttrs.x_lang[0] = 'e';
styleAttrs.x_lang[1] = 'n';
FontAttrs fontAttrs;
fontAttrs.name = "Bitstream Charter";
fontAttrs.size = 14;
fontAttrs.weight = 400;
fontAttrs.style = FONT_STYLE_NORMAL;
fontAttrs.letterSpacing = 0;
fontAttrs.fontVariant = FONT_VARIANT_NORMAL;
styleAttrs.font = style::Font::create (layout, &fontAttrs);
styleAttrs.color = Color::create (layout, 0x000000);
//styleAttrs.backgroundColor = Color::create (layout, 0xffffff);
Style *widgetStyle = Style::create (&styleAttrs);
Textblock *textblock = new Textblock (false);
textblock->setStyle (widgetStyle);
layout->setWidget (textblock);
widgetStyle->unref();
styleAttrs.margin.setVal (0);
styleAttrs.backgroundColor = NULL;
styleAttrs.backgroundImage = NULL;
Style *wordStyle = Style::create (&styleAttrs);
image2 = styleAttrs.backgroundImage = StyleImage::create ();
image2->connectDeletion (&isdr);
styleAttrs.backgroundRepeat = BACKGROUND_REPEAT;
styleAttrs.backgroundPositionX = createPerLength (0);
styleAttrs.backgroundPositionY = createPerLength (0);
Style *wordStyleBg = Style::create (&styleAttrs);
for(int i = 1; i <= 1; i++) {
char buf[4];
sprintf(buf, "%d.", i);
const char *words[] = { "This", "is", "the", buf, "paragraph.",
"Here", "comes", "some", "more", "text",
"to", "demonstrate", "word", "wrapping.",
NULL };
for(int j = 0; words[j]; j++) {
textblock->addText(words[j], j == 11 ? wordStyleBg : wordStyle);
textblock->addSpace(wordStyle);
}
textblock->addParbreak(10, wordStyle);
}
wordStyle->unref();
wordStyleBg->unref();
textblock->flush ();
window->resizable(viewport);
window->show();
Fl::add_timeout (1.0, imageInitTimeout, NULL);
Fl::add_timeout (0.1, imageDrawTimeout, NULL);
int errorCode = Fl::run();
delete layout;
return errorCode;
}