156 lines
4.0 KiB
C++
156 lines
4.0 KiB
C++
/*
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* Dillo Widget
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*
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* Copyright 2005-2007 Sebastian Geerken <sgeerken@dillo.org>
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* Copyright 2023 Rodrigo Arias Mallo <rodarima@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <FL/Fl.H>
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#include <FL/Fl_Window.H>
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#include "dw/core.hh"
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#include "dw/fltkcore.hh"
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#include "dw/fltkviewport.hh"
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#include "dw/textblock.hh"
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#include "dw/image.hh"
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using namespace dw;
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using namespace dw::core;
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using namespace dw::core::style;
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using namespace dw::fltk;
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static Layout *layout;
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static Image *image;
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static core::Imgbuf *imgbuf = NULL;
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static int imgRow = 0;
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static void imageInitTimeout (void *data)
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{
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const bool resize = true;
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//imgbuf = layout->createImgbuf (Imgbuf::RGBA, 400, 200);
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imgbuf = layout->createImgbuf (Imgbuf::RGB, 400, 200, 1);
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image->setBuffer (imgbuf, resize);
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}
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/*
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static void imageDrawTimeout (void *data)
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{
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if (imgbuf) {
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for (int i = 0; i < 1; i++) {
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byte buf[4 * 400];
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for(int x = 0; x < 400; x++) {
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buf[4 * x + 0] = x * 255 / 399;
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buf[4 * x + 1] = (399 - x) * 255 / 399;
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buf[4 * x + 2] = imgRow * 255 / 199;
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buf[4 * x + 3] = (199 - imgRow) * 255 / 199;
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}
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imgbuf->copyRow (imgRow, buf);
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image->drawRow (imgRow);
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imgRow++;
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}
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}
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if(imgRow < 200)
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Fl::repeat_timeout (0.5, imageDrawTimeout, NULL);
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}
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*/
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static void imageDrawTimeout (void *data)
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{
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if (imgbuf) {
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for (int i = 0; i < 1; i++) {
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byte buf[3 * 400];
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for(int x = 0; x < 400; x++) {
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buf[3 * x + 0] = x * 255 / 399;
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buf[3 * x + 1] = (399 - x) * 255 / 399;
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buf[3 * x + 2] = imgRow * 255 / 199;
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}
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imgbuf->copyRow (imgRow, buf);
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image->drawRow (imgRow);
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imgRow++;
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}
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}
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if(imgRow < 200)
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Fl::repeat_timeout (0.5, imageDrawTimeout, NULL);
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}
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int main(int argc, char **argv)
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{
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FltkPlatform *platform = new FltkPlatform ();
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layout = new Layout (platform);
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Fl_Window *window = new Fl_Window(410, 210, "Dw Simple Image");
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window->box(FL_NO_BOX);
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window->begin();
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FltkViewport *viewport = new FltkViewport (0, 0, 410, 210);
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layout->attachView (viewport);
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StyleAttrs styleAttrs;
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styleAttrs.initValues ();
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styleAttrs.margin.setVal (5);
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FontAttrs fontAttrs;
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fontAttrs.name = "Bitstream Charter";
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fontAttrs.size = 14;
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fontAttrs.weight = 400;
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fontAttrs.style = FONT_STYLE_NORMAL;
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fontAttrs.letterSpacing = 0;
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fontAttrs.fontVariant = FONT_VARIANT_NORMAL;
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styleAttrs.font = dw::core::style::Font::create (layout, &fontAttrs);
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styleAttrs.color = Color::create (layout, 0x000000);
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styleAttrs.backgroundColor = Color::create (layout, 0xffffff);
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Style *widgetStyle = Style::create (&styleAttrs);
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Textblock *textblock = new Textblock (false);
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textblock->setStyle (widgetStyle);
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layout->setWidget (textblock);
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widgetStyle->unref();
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styleAttrs.margin.setVal (0);
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styleAttrs.backgroundColor = NULL;
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Style *imageStyle = Style::create (&styleAttrs);
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image = new dw::Image ("");
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textblock->addWidget (image, imageStyle);
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textblock->addSpace (imageStyle);
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imageStyle->unref();
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textblock->flush ();
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window->resizable(viewport);
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window->show();
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Fl::add_timeout (2.0, imageInitTimeout, NULL);
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Fl::add_timeout (0.1, imageDrawTimeout, NULL);
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int errorCode = Fl::run();
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delete layout;
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return errorCode;
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}
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