Mercurial > dillo_port1.3
annotate test/dw_images_scaled2.cc @ 2012:bfb8bc9ddf62
Avoid lots of flicker while resizing the window
(when "buffered_drawing" is set to 0 or 1)
| author | Jorge Arellano Cid <jcid@dillo.org> |
|---|---|
| date | Fri, 13 May 2011 14:14:43 -0400 |
| parents | 553e63661ec1 |
| children | 8cf59505bd0a |
| rev | line source |
|---|---|
| 347 | 1 /* |
| 2 * Dillo Widget | |
| 3 * | |
| 4 * Copyright 2005-2007 Sebastian Geerken <sgeerken@dillo.org> | |
| 5 * | |
| 6 * This program is free software; you can redistribute it and/or modify | |
| 7 * it under the terms of the GNU General Public License as published by | |
| 8 * the Free Software Foundation; either version 3 of the License, or | |
| 9 * (at your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, | |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 * GNU General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
|
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d7dbd3dcfa38
Updated the GPL copyright note in the source files
Detlef Riekenberg <wine.dev@web.de>
parents:
677
diff
changeset
|
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 347 | 18 */ |
| 19 | |
| 20 | |
| 21 | |
| 1832 | 22 #include <FL/Fl.H> |
| 23 #include <FL/Fl_Window.H> | |
| 347 | 24 |
| 25 #include "../dw/core.hh" | |
| 26 #include "../dw/fltkcore.hh" | |
| 27 #include "../dw/fltkviewport.hh" | |
| 28 #include "../dw/textblock.hh" | |
| 29 #include "../dw/image.hh" | |
| 30 | |
| 31 using namespace dw; | |
| 32 using namespace dw::core; | |
| 33 using namespace dw::core::style; | |
| 34 using namespace dw::fltk; | |
| 35 | |
| 36 static Layout *layout; | |
| 37 static Image *image1, *image2; | |
| 38 static core::Imgbuf *imgbuf = NULL; | |
| 39 static int imgRow = 0; | |
| 40 | |
| 41 static void imageInitTimeout (void *data) | |
| 42 { | |
| 43 imgbuf = layout->createImgbuf (Imgbuf::RGB, 400, 200); | |
| 44 image1->setBuffer (imgbuf); | |
| 45 image2->setBuffer (imgbuf); | |
| 46 } | |
| 47 | |
| 48 static void imageDrawTimeout (void *data) | |
| 49 { | |
| 50 if (imgbuf) { | |
| 51 for (int i = 0; i < 1; i++) { | |
| 52 byte buf[3 * 400]; | |
| 53 for(int x = 0; x < 400; x++) { | |
| 54 buf[3 * x + 0] = x * 255 / 399; | |
| 55 buf[3 * x + 1] = (399 - x) * 255 / 399; | |
| 56 buf[3 * x + 2] = imgRow * 255 / 199; | |
| 57 } | |
| 1326 | 58 |
| 347 | 59 imgbuf->copyRow (imgRow, buf); |
| 1326 | 60 image1->drawRow (imgRow); |
| 61 image2->drawRow (imgRow); | |
| 347 | 62 imgRow++; |
| 63 } | |
| 64 } | |
| 1326 | 65 |
| 347 | 66 if(imgRow < 200) |
| 1832 | 67 Fl::repeat_timeout (0.5, imageDrawTimeout, NULL); |
| 347 | 68 } |
| 69 | |
| 70 int main(int argc, char **argv) | |
| 71 { | |
| 72 FltkPlatform *platform = new FltkPlatform (); | |
| 73 layout = new Layout (platform); | |
| 74 | |
| 1832 | 75 Fl_Window *window = new Fl_Window(410, 210, "Dw Scaled Image 2"); |
|
2012
bfb8bc9ddf62
Avoid lots of flicker while resizing the window
Jorge Arellano Cid <jcid@dillo.org>
parents:
1832
diff
changeset
|
76 window->box(FL_NO_BOX); |
| 347 | 77 window->begin(); |
| 78 | |
| 79 FltkViewport *viewport = new FltkViewport (0, 0, 410, 210); | |
| 80 layout->attachView (viewport); | |
| 81 | |
| 82 StyleAttrs styleAttrs; | |
| 83 styleAttrs.initValues (); | |
| 84 styleAttrs.margin.setVal (5); | |
| 85 | |
| 86 FontAttrs fontAttrs; | |
| 87 fontAttrs.name = "Bitstream Charter"; | |
| 88 fontAttrs.size = 14; | |
| 89 fontAttrs.weight = 400; | |
| 90 fontAttrs.style = FONT_STYLE_NORMAL; | |
|
1462
8de487d495f7
initialize fontAttrs.letterSpacing in test programs
Johannes Hofmann <Johannes.Hofmann@gmx.de>
parents:
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diff
changeset
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91 fontAttrs.letterSpacing = 0; |
| 1832 | 92 styleAttrs.font = dw::core::style::Font::create (layout, &fontAttrs); |
| 347 | 93 |
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677
b6ef23efdac7
always use shaded colors
Johannes Hofmann <Johannes.Hofmann@gmx.de>
parents:
347
diff
changeset
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94 styleAttrs.color = Color::create (layout, 0x000000); |
|
b6ef23efdac7
always use shaded colors
Johannes Hofmann <Johannes.Hofmann@gmx.de>
parents:
347
diff
changeset
|
95 styleAttrs.backgroundColor = Color::create (layout, 0xffffff); |
| 347 | 96 |
| 97 Style *widgetStyle = Style::create (layout, &styleAttrs); | |
| 98 | |
| 99 Textblock *textblock = new Textblock (false); | |
| 100 textblock->setStyle (widgetStyle); | |
| 101 layout->setWidget (textblock); | |
| 102 | |
| 103 widgetStyle->unref(); | |
| 104 | |
| 105 styleAttrs.margin.setVal (0); | |
| 106 styleAttrs.borderWidth.setVal (0); | |
| 107 styleAttrs.padding.setVal (0); | |
| 108 styleAttrs.backgroundColor = NULL; | |
| 109 | |
| 110 Style *wordStyle = Style::create (layout, &styleAttrs); | |
| 111 | |
| 112 styleAttrs.borderWidth.setVal (1); | |
|
677
b6ef23efdac7
always use shaded colors
Johannes Hofmann <Johannes.Hofmann@gmx.de>
parents:
347
diff
changeset
|
113 styleAttrs.setBorderColor (Color::create (layout, 0x000080)); |
| 347 | 114 styleAttrs.setBorderStyle (BORDER_SOLID); |
| 115 styleAttrs.padding.setVal (1); | |
| 116 styleAttrs.backgroundColor = NULL; | |
| 117 styleAttrs.width = createPerLength (0.5); | |
| 118 styleAttrs.height = createPerLength (0.5); | |
| 119 | |
| 120 Style *imageStyle1 = Style::create (layout, &styleAttrs); | |
| 121 image1 = new dw::Image ("A longer ALT Text to demonstrate clipping."); | |
| 122 textblock->addWidget (image1, imageStyle1); | |
| 123 imageStyle1->unref(); | |
| 124 | |
| 125 textblock->addParbreak (10, wordStyle); | |
| 126 | |
| 127 styleAttrs.width = LENGTH_AUTO; | |
| 128 styleAttrs.height = LENGTH_AUTO; | |
| 129 | |
| 130 Style *imageStyle2 = Style::create (layout, &styleAttrs); | |
| 131 image2 = new dw::Image ("A longer ALT Text to demonstrate clipping."); | |
| 132 textblock->addWidget (image2, imageStyle2); | |
| 133 imageStyle2->unref(); | |
| 134 | |
| 135 wordStyle->unref (); | |
| 136 textblock->flush (); | |
| 137 | |
| 138 window->resizable(viewport); | |
| 139 window->show(); | |
| 140 | |
| 1832 | 141 Fl::add_timeout (3.0, imageInitTimeout, NULL); |
| 142 Fl::add_timeout (0.1, imageDrawTimeout, NULL); | |
| 347 | 143 |
| 1832 | 144 int errorCode = Fl::run(); |
| 347 | 145 |
| 146 delete layout; | |
| 147 | |
| 148 return errorCode; | |
| 149 } |