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From Jeremy Moles, updates to osgWidget

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Merged my Robert Osfield from OpenSceneGraph-osgWidget-dev.
This commit is contained in:
Robert Osfield
2008-11-28 14:35:33 +00:00
parent d3b2d9b074
commit 9748fdd605
35 changed files with 1234 additions and 639 deletions
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147
src/osgWidget/Widget.cpp
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@@ -3,8 +3,7 @@
#include <osg/io_utils>
#include <osg/Math>
#include <osg/BlendFunc>
#include <osg/TexMat>
#include <osg/TextureRectangle>
#include <osgDB/ReadFile>
#include <osgDB/FileUtils>
#include <osgWidget/WindowManager>
@@ -34,8 +33,8 @@ _canFill (false),
_canClone (true),
_isManaged (false),
_isStyled (false),
_minWidth (w),
_minHeight (h) {
_minWidth (0.0f),
_minHeight (0.0f) {
_name = name.size() ? name : generateRandomName("Widget");
if(!_norms.valid()) {
@@ -63,9 +62,6 @@ _minHeight (h) {
setDimensions(0.0f, 0.0f, w, h);
setColor(1.0f, 1.0f, 1.0f, 1.0f);
getOrCreateStateSet()->setMode(GL_BLEND, osg::StateAttribute::ON);
getOrCreateStateSet()->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
}
Widget::Widget(const Widget& widget, const osg::CopyOp& co):
@@ -108,26 +104,13 @@ WindowManager* Widget::_getWindowManager() const {
}
osg::Image* Widget::_getImage() const {
const osg::Texture2D* texture = _texture();
const osg::Texture* texture = _texture();
if(texture) return const_cast<osg::Image*>(texture->getImage(0));
return 0;
}
void Widget::managed(WindowManager* wm) {
if(!wm->isInvertedY()) return;
osg::Matrix s = osg::Matrix::scale(1.0f, -1.0f, 1.0f);
osg::Matrix t = osg::Matrix::translate(0.0f, -1.0, 0.0f);
getOrCreateStateSet()->setTextureAttributeAndModes(
0,
new osg::TexMat(t * s),
osg::StateAttribute::ON
);
}
void Widget::setDimensions(point_type x, point_type y, point_type w, point_type h, point_type z) {
if(w != -1.0f && w < _minWidth) {
warn()
@@ -205,6 +188,14 @@ void Widget::setDimensions(point_type x, point_type y, point_type w, point_type
}
}
const WindowManager* wm = _getWindowManager();
if(wm && wm->isUsingRenderBins()) {
getOrCreateStateSet()->setRenderBinDetails(static_cast<int>(z), "RenderBin");
z = 0.0f;
}
(*verts)[LL].set(x, y, z);
(*verts)[LR].set(x + w, y, z);
(*verts)[UR].set(x + w, y + h, z);
@@ -221,7 +212,7 @@ void Widget::setColor(color_type r, color_type g, color_type b, color_type a, Co
(*cols)[UL].set(r, g, b, a);
}
else (*cols)[convertCorner(p)].set(r, g, b, a);
else (*cols)[p].set(r, g, b, a);
}
void Widget::addColor(color_type r, color_type g, color_type b, color_type a, Corner p) {
@@ -234,7 +225,7 @@ void Widget::addColor(color_type r, color_type g, color_type b, color_type a, Co
(*cols)[UL] += Color(r, g, b, a);
}
else (*cols)[convertCorner(p)] += Color(r, g, b, a);
else (*cols)[p] += Color(r, g, b, a);
}
void Widget::setTexCoord(texcoord_type tx, texcoord_type ty, Corner p) {
@@ -247,7 +238,15 @@ void Widget::setTexCoord(texcoord_type tx, texcoord_type ty, Corner p) {
(*texs)[UL].set(tx, ty);
}
else (*texs)[convertCorner(p)].set(tx, ty);
else (*texs)[p].set(tx, ty);
}
// TODO: We chop off any offset here if you use TOP; we need to do the same
// for BG, etc.
void Widget::setLayer(Layer layer, unsigned int offset) {
if(layer == LAYER_TOP) offset = 0;
_layer = layer + offset;
}
void Widget::setTexCoordRegion(point_type x, point_type y, point_type w, point_type h) {
@@ -263,27 +262,27 @@ void Widget::setTexCoordRegion(point_type x, point_type y, point_type w, point_t
// Set the LOWER_LEFT point.
XYCoord t(x / tw, y / tw);
(*texs)[UL] = t;
(*texs)[LL] = t;
// Set the LOWER_RIGHT point.
t += XYCoord(w / tw, 0.0f);
(*texs)[UR] = t;
(*texs)[LR] = t;
// Set the UPPER_RIGHT point.
t += XYCoord(0.0f, h / th);
(*texs)[LR] = t;
(*texs)[UR] = t;
// Set the UPPER_LEFT point.
t += XYCoord(-(w / tw), 0.0f);
(*texs)[LL] = t;
(*texs)[UL] = t;
}
void Widget::setTexCoordWrapHorizontal() {
osg::Image* image = _image();
osg::Texture2D* texture = _texture();
osg::Image* image = _image();
osg::Texture* texture = _texture();
if(!image || !texture || image->s() == 0.0f) return;
@@ -294,8 +293,8 @@ void Widget::setTexCoordWrapHorizontal() {
}
void Widget::setTexCoordWrapVertical() {
osg::Image* image = _image();
osg::Texture2D* texture = _texture();
osg::Image* image = _image();
osg::Texture* texture = _texture();
if(!image || !texture || image->t() == 0.0f) return;
@@ -311,35 +310,27 @@ XYCoord Widget::localXY(double _x, double _y) const {
return _parent->localXY(_x, _y) - getOrigin();
}
bool Widget::setImage(osg::Image* image, bool setTexCoords) {
bool Widget::setImage(osg::Image* image, bool setTexCoords, bool useTextRect) {
if(!image) {
warn() << "Widget [" << _name << "] cannot use a NULL image." << std::endl;
return false;
}
osg::Texture2D* texture = new osg::Texture2D();
osg::Texture* texture = 0;
texture->setDataVariance(osg::Object::DYNAMIC);
if(useTextRect) texture = new osg::TextureRectangle();
else texture = new osg::Texture2D();
if(!texture) return false;
texture->setImage(0, image);
getOrCreateStateSet()->setTextureAttributeAndModes(
0,
texture,
osg::StateAttribute::ON
);
if(setTexCoords) {
setTexCoord(0.0f, 0.0f, LOWER_LEFT);
setTexCoord(1.0f, 0.0f, LOWER_RIGHT);
setTexCoord(1.0f, 1.0f, UPPER_RIGHT);
setTexCoord(0.0f, 1.0f, UPPER_LEFT);
}
return true;
return setTexture(texture, setTexCoords, useTextRect);
}
bool Widget::setImage(const std::string& filePath, bool setTexCoords) {
bool Widget::setImage(const std::string& filePath, bool setTexCoords, bool useTextRect) {
if(!osgDB::findDataFile(filePath).size()) {
warn()
<< "Widget [" << _name
@@ -350,7 +341,37 @@ bool Widget::setImage(const std::string& filePath, bool setTexCoords) {
return false;
}
return setImage(osgDB::readImageFile(filePath), setTexCoords);
return setImage(osgDB::readImageFile(filePath), setTexCoords, useTextRect);
}
bool Widget::setTexture(osg::Texture* texture, bool setTexCoords, bool useTextRect) {
if(!texture) return false;
getOrCreateStateSet()->setTextureAttributeAndModes(
0,
texture,
osg::StateAttribute::ON
);
if(setTexCoords) {
if(useTextRect) {
osg::Image* image = texture->getImage(0);
setTexCoord(0.0f, 0.0f, LOWER_LEFT);
setTexCoord(image->s(), 0.0f, LOWER_RIGHT);
setTexCoord(image->s(), image->t(), UPPER_RIGHT);
setTexCoord(0.0f, image->t(), UPPER_LEFT);
}
else {
setTexCoord(0.0f, 0.0f, LOWER_LEFT);
setTexCoord(1.0f, 0.0f, LOWER_RIGHT);
setTexCoord(1.0f, 1.0f, UPPER_RIGHT);
setTexCoord(0.0f, 1.0f, UPPER_LEFT);
}
}
return true;
}
void Widget::setPadding(point_type pad) {
@@ -451,7 +472,7 @@ const Point& Widget::getPoint(Corner p) const {
if(p == ALL_CORNERS) point = UPPER_LEFT;
return (*_verts())[convertCorner(point)];
return (*_verts())[point];
}
const Color& Widget::getColor(Corner p) const {
@@ -459,7 +480,7 @@ const Color& Widget::getColor(Corner p) const {
if(p == ALL_CORNERS) point = UPPER_LEFT;
return (*_cols())[convertCorner(point)];
return (*_cols())[point];
}
const TexCoord& Widget::getTexCoord(Corner p) const {
@@ -467,25 +488,7 @@ const TexCoord& Widget::getTexCoord(Corner p) const {
if(p == ALL_CORNERS) point = UPPER_LEFT;
return (*_texs())[convertCorner(point)];
}
// This converts our points back and forth depding on whether or not we're in an
// inverted-Y WindowManager.
Widget::Corner Widget::convertCorner(Corner p) const {
const WindowManager* wm = getWindowManager();
if(!wm || !wm->isInvertedY()) return p;
if(p == UPPER_LEFT) return LOWER_LEFT;
else if(p == UPPER_RIGHT) return LOWER_RIGHT;
else if(p == LOWER_LEFT) return UPPER_LEFT;
else if(p == LOWER_RIGHT) return UPPER_RIGHT;
else return p;
return (*_texs())[point];
}
Color Widget::getImageColorAtXY(point_type x, point_type y) const {