Added basic functionality for background images to dw::style. Drawing still very incomplete.

2 files changed, 152 insertions, 0 deletions

diff --git a/test/Makefile.am b/test/Makefile.am
index 6a834acb..156c8667 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -9,6 +9,7 @@ noinst_PROGRAMS = \
 	dw-find-test \
 	dw-links \
 	dw-links2 \
+	dw-image-background \
 	dw-images-simple \
 	dw-images-scaled \
 	dw-images-scaled2 \
@@ -67,6 +68,14 @@ dw_links2_LDADD = \
 	$(top_builddir)/lout/liblout.a \
 	@LIBFLTK_LIBS@
 
+dw_image_background_SOURCES = dw_image_background.cc
+dw_image_background_LDADD = \
+	$(top_builddir)/dw/libDw-widgets.a \
+	$(top_builddir)/dw/libDw-fltk.a \
+	$(top_builddir)/dw/libDw-core.a \
+	$(top_builddir)/lout/liblout.a \
+	@LIBFLTK_LIBS@
+
 dw_images_simple_SOURCES = dw_images_simple.cc
 dw_images_simple_LDADD = \
 	$(top_builddir)/dw/libDw-widgets.a \
diff --git a/test/dw_image_background.cc b/test/dw_image_background.cc
new file mode 100644
index 00000000..95264f6a
--- /dev/null
+++ b/test/dw_image_background.cc
@@ -0,0 +1,143 @@
+/*
+ * 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 <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 dw;
+using namespace dw::core;
+using namespace dw::core::style;
+using namespace dw::fltk;
+
+static StyleImage *image;
+static Layout *layout;
+static int imgRow = 0;
+
+static void imageInitTimeout (void *data)
+{
+   Imgbuf *imgbuf = layout->createImgbuf (Imgbuf::RGB, 400, 200, 1);
+   image->getMainImgRenderer()->setBuffer (imgbuf, false);
+}
+
+static void imageDrawTimeout (void *data)
+{
+   Imgbuf *imgbuf = image->getImgbuf ();
+
+   if (imgbuf) {
+      for (int i = 0; i < 1; i++) {
+         byte buf[3 * 400];
+         for(int x = 0; x < 400; x++) {
+            buf[3 * x + 0] = x * 255 / 399;
+            buf[3 * x + 1] = (399 - x) * 255 / 399;
+            buf[3 * x + 2] = imgRow * 255 / 199;
+         }
+
+         imgbuf->copyRow (imgRow, buf);
+         image->getMainImgRenderer()->drawRow (imgRow);
+         imgRow++;
+      }
+   }
+
+   if(imgRow < 200)
+      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);
+
+   StyleAttrs styleAttrs;
+   styleAttrs.initValues ();
+   styleAttrs.margin.setVal (5);
+
+   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);
+
+   image = styleAttrs.backgroundImage = StyleImage::create ();
+
+   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);
+
+   for(int i = 1; i <= 10; 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], wordStyle);
+         textblock->addSpace(wordStyle);
+      }
+
+      textblock->addParbreak(10, wordStyle);
+   }
+
+   wordStyle->unref();
+
+   textblock->flush ();
+
+   window->resizable(viewport);
+   window->show();
+
+   Fl::add_timeout (2.0, imageInitTimeout, NULL);
+   Fl::add_timeout (0.1, imageDrawTimeout, NULL);
+
+   int errorCode = Fl::run();
+
+   delete layout;
+
+   return errorCode;
+}