Initial import of Dillo

2025-02-28 13:34:30 -05:00
parent bd4e3eebd8
commit 20fea64cb5
496 changed files with 156174 additions and 0 deletions
--- a/test/dw/dw_image_background.cc
+++ b/test/dw/dw_image_background.cc
@ -0,0 +1,197 @@
+/*
+ * Dillo Widget
+ *
+ * Copyright 2013 Sebastian Geerken <sgeerken@dillo.org>
+ * Copyright 2023 Rodrigo Arias Mallo <rodarima@gmail.com>
+ *
+ * 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;
+}