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-rw-r--r--examples/opengl/framebufferobject/bubbles.svg215
-rw-r--r--examples/opengl/framebufferobject/designer.pngbin2810 -> 0 bytes
-rw-r--r--examples/opengl/framebufferobject/framebufferobject.pro11
-rw-r--r--examples/opengl/framebufferobject/framebufferobject.qrc6
-rw-r--r--examples/opengl/framebufferobject/glwidget.cpp329
-rw-r--r--examples/opengl/framebufferobject/glwidget.h82
-rw-r--r--examples/opengl/framebufferobject/main.cpp61
7 files changed, 0 insertions, 704 deletions
diff --git a/examples/opengl/framebufferobject/bubbles.svg b/examples/opengl/framebufferobject/bubbles.svg
deleted file mode 100644
index 5173012..0000000
--- a/examples/opengl/framebufferobject/bubbles.svg
+++ /dev/null
@@ -1,215 +0,0 @@
-<?xml version="1.0" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
-<svg width="20cm" height="15cm" viewBox="0 0 800 600"
- xmlns="http://www.w3.org/2000/svg"
- xmlns:xlink="http://www.w3.org/1999/xlink/"
- baseProfile="tiny" version="1.2">
- <title>Spheres</title>
- <desc>Semi-transparent bubbles on a colored background.</desc>
- <defs>
- <!-- Create radial gradients for each bubble. -->
- <radialGradient id="blueBubble" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="100" fx="-50" fy="-50">
- <stop offset="0%" stop-color="white" stop-opacity="1" />
- <stop offset="25%" stop-color="#cdcdff" stop-opacity=".65" />
- <stop offset="100%" stop-color="#cdaacd" stop-opacity=".75" />
- </radialGradient>
- <radialGradient id="redBubble" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="100" fx="-50" fy="-50">
- <stop offset="0%" stop-color="white" stop-opacity="1" />
- <stop offset="25%" stop-color="#ffcdcd" stop-opacity=".65" />
- <stop offset="100%" stop-color="#bbbb99" stop-opacity=".75" />
- </radialGradient>
- <radialGradient id="greenBubble" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="100" fx="-50" fy="-50">
- <stop offset="0%" stop-color="white" stop-opacity="1" />
- <stop offset="25%" stop-color="#cdffcd" stop-opacity=".65" />
- <stop offset="100%" stop-color="#99aaaa" stop-opacity=".75" />
- </radialGradient>
- <radialGradient id="yellowBubble" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="100" fx="-50" fy="-50">
- <stop offset="0%" stop-color="white" stop-opacity="1" />
- <stop offset="25%" stop-color="#ffffcd" stop-opacity=".65" />
- <stop offset="100%" stop-color="#bbbbaa" stop-opacity=".75" />
- </radialGradient>
- <radialGradient id="background" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="400" fx="250" fy="250">
- <stop offset="0%" stop-color="#ffffee" />
- <stop offset="100%" stop-color="#ccccaa" />
- </radialGradient>
- <linearGradient id="surface" gradientUnits="userSpaceOnUse"
- x1="-100" y1="200" x2="400" y2="200">
- <stop offset="0%" stop-color="#ffffcc" />
- <stop offset="100%" stop-color="#bbbb88" />
- </linearGradient>
-
- <!-- Create radial gradients for each circle to make them look like
- spheres. -->
- <radialGradient id="blueSphere" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="100" fx="-50" fy="-50">
- <stop offset="0%" stop-color="white" />
- <stop offset="75%" stop-color="blue" />
- <stop offset="100%" stop-color="#222244" />
- </radialGradient>
- <radialGradient id="redSphere" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="100" fx="-50" fy="-50">
- <stop offset="0%" stop-color="white" />
- <stop offset="75%" stop-color="red" />
- <stop offset="100%" stop-color="#442222" />
- </radialGradient>
- <radialGradient id="greenSphere" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="100" fx="-50" fy="-50">
- <stop offset="0%" stop-color="white" />
- <stop offset="75%" stop-color="green" />
- <stop offset="100%" stop-color="#113311" />
- </radialGradient>
- <radialGradient id="yellowSphere" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="100" fx="-50" fy="-50">
- <stop offset="0%" stop-color="white" />
- <stop offset="75%" stop-color="yellow" />
- <stop offset="100%" stop-color="#444422" />
- </radialGradient>
- <radialGradient id="shadowGrad" gradientUnits="userSpaceOnUse"
- cx="0" cy="0" r="100" fx="-50" fy="50">
- <stop offset="0%" stop-color="black" stop-opacity="1.0" />
- <stop offset="100%" stop-color="black" stop-opacity="0.0" />
- </radialGradient>
-
- <!-- Define a shadow for each sphere. -->
- <circle id="shadow" fill="url(#shadowGrad)" cx="0" cy="0" r="100" />
- <g id="bubble">
- <circle fill="black" cx="0" cy="0" r="50" />
- <circle fill="#a6ce39" cx="0" cy="0" r="33" />
- <path fill="black" d="M 37,50 L 50,37 L 12,-1 L 22,-11 L 10,-24 L -24,10
- L -11,22 L -1,12 Z" />
- <circle cx="0" cy="0" r="100" />
- </g>
- </defs>
- <g>
- <rect fill="url(#background)" x="0" y="0" width="800" height="600" />
- </g>
-
- <g transform="translate(200,700)">
- <use xlink:href="#bubble" fill="url(#blueBubble)" />
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="1s" dur="10s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(315,700)">
- <g transform="scale(0.5,0.5)">
- <use xlink:href="#bubble" fill="url(#redBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="3s" dur="7s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(80,700)">
- <g transform="scale(0.65,0.65)">
- <use xlink:href="#bubble" fill="url(#greenBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="5s" dur="9s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(255,700)">
- <g transform="scale(0.3,0.3)">
- <use xlink:href="#bubble" fill="url(#yellowBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="2s" dur="6s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(565,700)">
- <g transform="scale(0.4,0.4)">
- <use xlink:href="#bubble" fill="url(#blueBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="4s" dur="8s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(715,700)">
- <g transform="scale(0.6,0.6)">
- <use xlink:href="#bubble" fill="url(#redBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="1s" dur="4s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(645,700)">
- <g transform="scale(0.375,0.375)">
- <use xlink:href="#bubble" fill="url(#greenBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="0s" dur="11s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(555,700)">
- <g transform="scale(0.9,0.9)">
- <use xlink:href="#bubble" fill="url(#yellowBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="3s" dur="7.5s" fill="freeze" repeatCount="indefinite" />
- </g>
-
- <g transform="translate(360,700)">
- <g transform="scale(0.5,0.5)">
- <use xlink:href="#bubble" fill="url(#blueBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="3s" dur="6s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(215,700)">
- <g transform="scale(0.45,0.45)">
- <use xlink:href="#bubble" fill="url(#redBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="5.5s" dur="7s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(420,700)">
- <g transform="scale(0.75,0.75)">
- <use xlink:href="#bubble" fill="url(#greenBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="1s" dur="9s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(815,700)">
- <g transform="scale(0.6,0.6)">
- <use xlink:href="#bubble" fill="url(#yellowBubble)" />
- </g>
- <animateTransform attributeName="transform" type="translate" additive="sum"
- values="0,0; 0,-800" begin="2s" dur="9.5s" fill="freeze" repeatCount="indefinite" />
- </g>
-
- <g transform="translate(225,375)" >
- <g transform="scale(1.0,0.5)" >
- <path d="M 0 0 L 350 0 L 450 450 L -100 450 z"
- fill="url(#surface)" stroke="none" />
- </g>
- </g>
- <g transform="translate(200,0)" >
- <g transform="translate(200,490) scale(2.0,1.0) rotate(45)" >
- <rect fill="#a6ce39" x="-69" y="-69" width="138" height="138" />
- <circle fill="black" cx="0" cy="0" r="50" />
- <circle fill="#a6ce39" cx="0" cy="0" r="33" />
- <path fill="black" d="M 37,50 L 50,37 L 12,-1 L 22,-11 L 10,-24 L -24,10
- L -11,22 L -1,12 Z" />
- <animateTransform attributeName="transform" type="rotate" additive="sum" values="0; 360"
- begin="0s" dur="10s" fill="freeze" repeatCount="indefinite" />
- </g>
- <g transform="translate(200,375)">
- <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
- <circle fill="url(#blueSphere)" cx="0" cy="0" r="100" />
- </g>
- <g transform="translate(315,440)">
- <g transform="scale(0.5,0.5)">
- <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
- <circle fill="url(#redSphere)" cx="0" cy="0" r="100" />
- </g>
- </g>
- <g transform="translate(80,475)">
- <g transform="scale(0.65,0.65)">
- <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
- <circle fill="url(#greenSphere)" cx="0" cy="0" r="100" />
- </g>
- </g>
- <g transform="translate(255,525)">
- <g transform="scale(0.3,0.3)">
- <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
- <circle fill="url(#yellowSphere)" cx="0" cy="0" r="100" />
- </g>
- </g>
- </g>
-</svg>
diff --git a/examples/opengl/framebufferobject/designer.png b/examples/opengl/framebufferobject/designer.png
deleted file mode 100644
index 4f32d57..0000000
--- a/examples/opengl/framebufferobject/designer.png
+++ /dev/null
Binary files differ
diff --git a/examples/opengl/framebufferobject/framebufferobject.pro b/examples/opengl/framebufferobject/framebufferobject.pro
deleted file mode 100644
index c53eb8a..0000000
--- a/examples/opengl/framebufferobject/framebufferobject.pro
+++ /dev/null
@@ -1,11 +0,0 @@
-QT += widgets opengl svg
-
-HEADERS += glwidget.h
-SOURCES += glwidget.cpp main.cpp
-RESOURCES += framebufferobject.qrc
-
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/qtsvg/opengl/framebufferobject
-sources.files = $$SOURCES $$HEADERS $$RESOURCES *.pro *.png *.svg
-sources.path = $$[QT_INSTALL_EXAMPLES]/qtsvg/opengl/framebufferobject
-INSTALLS += target sources
diff --git a/examples/opengl/framebufferobject/framebufferobject.qrc b/examples/opengl/framebufferobject/framebufferobject.qrc
deleted file mode 100644
index 986f1ca..0000000
--- a/examples/opengl/framebufferobject/framebufferobject.qrc
+++ /dev/null
@@ -1,6 +0,0 @@
-<!DOCTYPE RCC><RCC version="1.0">
-<qresource prefix="/res">
- <file>bubbles.svg</file>
- <file>designer.png</file>
-</qresource>
-</RCC>
diff --git a/examples/opengl/framebufferobject/glwidget.cpp b/examples/opengl/framebufferobject/glwidget.cpp
deleted file mode 100644
index 1f3ff78..0000000
--- a/examples/opengl/framebufferobject/glwidget.cpp
+++ /dev/null
@@ -1,329 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
-** of its contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtGui/QImage>
-#include "glwidget.h"
-
-#include <math.h>
-
-#ifndef GL_MULTISAMPLE
-#define GL_MULTISAMPLE 0x809D
-#endif
-
-GLWidget::GLWidget(QWidget *parent)
- : QGLWidget(QGLFormat(QGL::SampleBuffers|QGL::AlphaChannel), parent)
-{
- setWindowTitle(tr("OpenGL framebuffer objects"));
- makeCurrent();
-
- if (QGLFramebufferObject::hasOpenGLFramebufferBlit()) {
- QGLFramebufferObjectFormat format;
- format.setSamples(4);
- format.setAttachment(QGLFramebufferObject::CombinedDepthStencil);
-
- render_fbo = new QGLFramebufferObject(512, 512, format);
- texture_fbo = new QGLFramebufferObject(512, 512);
- } else {
- render_fbo = new QGLFramebufferObject(1024, 1024);
- texture_fbo = render_fbo;
- }
-
- rot_x = rot_y = rot_z = 0.0f;
- scale = 0.1f;
- anim = new QTimeLine(750, this);
- anim->setUpdateInterval(20);
- connect(anim, SIGNAL(valueChanged(qreal)), SLOT(animate(qreal)));
- connect(anim, SIGNAL(finished()), SLOT(animFinished()));
-
- svg_renderer = new QSvgRenderer(QLatin1String(":/res/bubbles.svg"), this);
- connect(svg_renderer, SIGNAL(repaintNeeded()), this, SLOT(draw()));
-
- logo = QImage(":/res/designer.png");
- logo = logo.convertToFormat(QImage::Format_ARGB32);
-
- tile_list = glGenLists(1);
- glNewList(tile_list, GL_COMPILE);
- glBegin(GL_QUADS);
- {
- glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
- glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
- glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
- glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
-
- glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
- glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
- glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f);
- glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
-
- glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
- glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
- glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
- glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f);
-
- glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
- glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
- glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
- glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
-
- glTexCoord2f(1.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
- glTexCoord2f(1.0f, 1.0f); glVertex3f( 1.0f, 1.0f, -1.0f);
- glTexCoord2f(0.0f, 1.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
- glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
-
- glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
- glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
- glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
- glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
- }
- glEnd();
- glEndList();
-
- wave = new GLfloat[logo.width()*logo.height()];
- memset(wave, 0, logo.width()*logo.height());
- startTimer(30); // wave timer
-}
-
-GLWidget::~GLWidget()
-{
- delete[] wave;
- glDeleteLists(tile_list, 1);
- delete texture_fbo;
- if (render_fbo != texture_fbo)
- delete render_fbo;
-}
-
-void GLWidget::paintEvent(QPaintEvent *)
-{
- draw();
-}
-
-void GLWidget::draw()
-{
- QPainter p(this); // used for text overlay
-
- // save the GL state set for QPainter
- saveGLState();
-
- // render the 'bubbles.svg' file into our framebuffer object
- QPainter fbo_painter(render_fbo);
- svg_renderer->render(&fbo_painter);
- fbo_painter.end();
-
- if (render_fbo != texture_fbo) {
- QRect rect(0, 0, render_fbo->width(), render_fbo->height());
- QGLFramebufferObject::blitFramebuffer(texture_fbo, rect,
- render_fbo, rect);
- }
-
- // draw into the GL widget
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-1, 1, -1, 1, 10, 100);
- glTranslatef(0.0f, 0.0f, -15.0f);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glViewport(0, 0, width(), height());
- glEnable(GL_BLEND);
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
- glBindTexture(GL_TEXTURE_2D, texture_fbo->texture());
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glEnable(GL_TEXTURE_2D);
- glEnable(GL_MULTISAMPLE);
- glEnable(GL_CULL_FACE);
-
- // draw background
- glPushMatrix();
- glScalef(1.7f, 1.7f, 1.7f);
- glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
- glCallList(tile_list);
- glPopMatrix();
-
- const int w = logo.width();
- const int h = logo.height();
-
- glRotatef(rot_x, 1.0f, 0.0f, 0.0f);
- glRotatef(rot_y, 0.0f, 1.0f, 0.0f);
- glRotatef(rot_z, 0.0f, 0.0f, 1.0f);
- glScalef(scale/w, scale/w, scale/w);
-
- glDepthFunc(GL_LESS);
- glEnable(GL_DEPTH_TEST);
- // draw the Qt icon
- glTranslatef(-w+1, -h+1, 0.0f);
- for (int y=h-1; y>=0; --y) {
- uint *p = (uint*) logo.scanLine(y);
- uint *end = p + w;
- int x = 0;
- while (p < end) {
- glColor4ub(qRed(*p), qGreen(*p), qBlue(*p), uchar(qAlpha(*p)*.9));
- glTranslatef(0.0f, 0.0f, wave[y*w+x]);
- if (qAlpha(*p) > 128)
- glCallList(tile_list);
- glTranslatef(0.0f, 0.0f, -wave[y*w+x]);
- glTranslatef(2.0f, 0.0f, 0.0f);
- ++x;
- ++p;
- }
- glTranslatef(-w*2.0f, 2.0f, 0.0f);
- }
-
- // restore the GL state that QPainter expects
- restoreGLState();
-
- // draw the overlayed text using QPainter
- p.setPen(QColor(197, 197, 197, 157));
- p.setBrush(QColor(197, 197, 197, 127));
- p.drawRect(QRect(0, 0, width(), 50));
- p.setPen(Qt::black);
- p.setBrush(Qt::NoBrush);
- const QString str1(tr("A simple OpenGL framebuffer object example."));
- const QString str2(tr("Use the mouse wheel to zoom, press buttons and move mouse to rotate, double-click to flip."));
- QFontMetrics fm(p.font());
- p.drawText(width()/2 - fm.width(str1)/2, 20, str1);
- p.drawText(width()/2 - fm.width(str2)/2, 20 + fm.lineSpacing(), str2);
-}
-
-void GLWidget::mousePressEvent(QMouseEvent *e)
-{
- anchor = e->pos();
-}
-
-void GLWidget::mouseMoveEvent(QMouseEvent *e)
-{
- QPoint diff = e->pos() - anchor;
- if (e->buttons() & Qt::LeftButton) {
- rot_x += diff.y()/5.0f;
- rot_y += diff.x()/5.0f;
- } else if (e->buttons() & Qt::RightButton) {
- rot_z += diff.x()/5.0f;
- }
-
- anchor = e->pos();
- draw();
-}
-
-void GLWidget::wheelEvent(QWheelEvent *e)
-{
- e->delta() > 0 ? scale += scale*0.1f : scale -= scale*0.1f;
- draw();
-}
-
-void GLWidget::mouseDoubleClickEvent(QMouseEvent *)
-{
- anim->start();
-}
-
-void GLWidget::animate(qreal val)
-{
- rot_y = val * 180;
- draw();
-}
-
-void GLWidget::animFinished()
-{
- if (anim->direction() == QTimeLine::Forward)
- anim->setDirection(QTimeLine::Backward);
- else
- anim->setDirection(QTimeLine::Forward);
-}
-
-void GLWidget::saveGLState()
-{
- glPushAttrib(GL_ALL_ATTRIB_BITS);
- glMatrixMode(GL_PROJECTION);
- glPushMatrix();
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
-}
-
-void GLWidget::restoreGLState()
-{
- glMatrixMode(GL_PROJECTION);
- glPopMatrix();
- glMatrixMode(GL_MODELVIEW);
- glPopMatrix();
- glPopAttrib();
-}
-
-#define PI 3.14159
-
-void GLWidget::timerEvent(QTimerEvent *)
-{
- if (QApplication::mouseButtons() != 0)
- return;
-
- static bool scale_in = true;
-
- if (scale_in && scale > 35.0f)
- scale_in = false;
- else if (!scale_in && scale < .5f)
- scale_in = true;
-
- scale = scale_in ? scale + scale*0.01f : scale-scale*0.01f;
- rot_z += 0.3f;
- rot_x += 0.1f;
-
- int dx, dy; // disturbance point
- float s, v, W, t;
- int i, j;
- static float wt[128][128];
- const int width = logo.width();
- const int AMP = 5;
-
- dx = dy = width >> 1;
-
- W = .3f;
- v = -4; // wave speed
-
- for (i = 0; i < width; ++i) {
- for ( j = 0; j < width; ++j) {
- s = sqrt((double) ((j - dx) * (j - dx) + (i - dy) * (i - dy)));
- wt[i][j] += 0.1f;
- t = s / v;
- if (s != 0)
- wave[i*width + j] = AMP * sin(2 * PI * W * (wt[i][j] + t)) / (0.2*(s + 2));
- else
- wave[i*width + j] = AMP * sin(2 * PI * W * (wt[i][j] + t));
- }
- }
-}
diff --git a/examples/opengl/framebufferobject/glwidget.h b/examples/opengl/framebufferobject/glwidget.h
deleted file mode 100644
index c689ad5..0000000
--- a/examples/opengl/framebufferobject/glwidget.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
-** of its contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtOpenGL>
-#include <QImage>
-#include <QTimeLine>
-#include <QSvgRenderer>
-
-class GLWidget : public QGLWidget
-{
- Q_OBJECT
-
-public:
- GLWidget(QWidget *parent);
- ~GLWidget();
-
- void saveGLState();
- void restoreGLState();
-
- void paintEvent(QPaintEvent *);
- void mousePressEvent(QMouseEvent *);
- void mouseDoubleClickEvent(QMouseEvent *);
- void mouseMoveEvent(QMouseEvent *);
- void timerEvent(QTimerEvent *);
- void wheelEvent(QWheelEvent *);
-
-public slots:
- void animate(qreal);
- void animFinished();
- void draw();
-
-private:
- QPoint anchor;
- float scale;
- float rot_x, rot_y, rot_z;
- GLuint tile_list;
- GLfloat *wave;
-
- QImage logo;
- QTimeLine *anim;
- QSvgRenderer *svg_renderer;
- QGLFramebufferObject *render_fbo;
- QGLFramebufferObject *texture_fbo;
-};
-
diff --git a/examples/opengl/framebufferobject/main.cpp b/examples/opengl/framebufferobject/main.cpp
deleted file mode 100644
index 3a414be..0000000
--- a/examples/opengl/framebufferobject/main.cpp
+++ /dev/null
@@ -1,61 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
-** of its contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtWidgets/QApplication>
-#include <QtWidgets/QMessageBox>
-#include "glwidget.h"
-
-int main(int argc, char **argv)
-{
- Q_INIT_RESOURCE(framebufferobject);
-
- QApplication a(argc, argv);
- if (!QGLFormat::hasOpenGL() || !QGLFramebufferObject::hasOpenGLFramebufferObjects()) {
- QMessageBox::information(0, "OpenGL framebuffer objects",
- "This system does not support OpenGL/framebuffer objects.");
- return -1;
- }
-
- GLWidget widget(0);
- widget.resize(640, 480);
- widget.show();
- return a.exec();
-}
-
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