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make NaviCube working for Qt4 and Qt5
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@wwmayer
wwmayer committed May 26, 2018
1 parent ba99fff commit ddf881a
Showing 1 changed file with 83 additions and 55 deletions.
138 changes: 83 additions & 55 deletions src/Gui/NaviCube.cpp
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Expand Up @@ -144,22 +144,21 @@ using namespace Gui;
// - improved graphics (text now black)
// - first stab at supporting translations


class Face {
public:
int m_FirstVertex;
int m_VertexCount;
QOpenGLTexture* m_TextureId;
GLuint m_TextureId;
QColor m_Color;
int m_PickId;
QOpenGLTexture* m_PickTextureId;
GLuint m_PickTextureId;
int m_RenderPass;
Face(
int firstVertex,
int vertexCount,
QOpenGLTexture* textureId,
GLuint textureId,
int pickId,
QOpenGLTexture* pickTextureId,
GLuint pickTextureId,
const QColor& color,
int renderPass
)
Expand Down Expand Up @@ -193,12 +192,12 @@ class NaviCubeImplementation {

void setHilite(int);

void initNaviCube();
void initNaviCube(QtGLWidget*);
void addFace(const Vector3f&, const Vector3f&, int, int, int, int,bool flag=false);

QOpenGLTexture* createCubeFaceTex(float, float, char*);
QOpenGLTexture* createButtonTex(int);
QOpenGLTexture* createMenuTex(bool);
GLuint createCubeFaceTex(QtGLWidget*, float, float, const char*);
GLuint createButtonTex(QtGLWidget*, int);
GLuint createMenuTex(QtGLWidget*, bool);

void setView(float ,float );
void rotateView(int ,float );
Expand Down Expand Up @@ -240,7 +239,7 @@ class NaviCubeImplementation {
Gui::View3DInventorViewer* m_View3DInventorViewer;
void drawNaviCube(bool picking);

int m_OverSample = 4;
int m_OverSample = 4;
int m_CubeWidgetSize = 0;
int m_CubeWidgetPosX = 0;
int m_CubeWidgetPosY = 0;
Expand All @@ -262,9 +261,12 @@ class NaviCubeImplementation {
vector<GLubyte> m_IndexArray;
vector<Vector2f> m_TextureCoordArray;
vector<Vector3f> m_VertexArray;
map<int,QOpenGLTexture*> m_Textures;
map<int,GLuint> m_Textures;
vector<Face*> m_Faces;
vector<int> m_Buttons;
#if defined(HAVE_QT5_OPENGL)
vector<QOpenGLTexture *> m_glTextures;
#endif
QMenu* m_Menu;
};

Expand Down Expand Up @@ -294,7 +296,8 @@ NaviCubeImplementation::NaviCubeImplementation(
m_HiliteColor = QColor(170,226,247);
m_ButtonColor = QColor(226,233,239);
m_PickingFramebuffer = NULL;
m_CubeWidgetSize = 300;
m_CubeWidgetSize = 150;

m_Menu = createNaviCubeMenu();
}

Expand All @@ -304,6 +307,10 @@ NaviCubeImplementation::~NaviCubeImplementation() {
delete m_PickingFramebuffer;
for (vector<Face*>::iterator f = m_Faces.begin(); f != m_Faces.end(); f++)
delete *f;
#if defined(HAVE_QT5_OPENGL)
for (vector<QOpenGLTexture *>::iterator t = m_glTextures.begin(); t != m_glTextures.end(); t++)
delete *t;
#endif
}

char* NaviCubeImplementation::enum2str(int e) {
Expand Down Expand Up @@ -337,7 +344,7 @@ char* NaviCubeImplementation::enum2str(int e) {
}
}

QOpenGLTexture* NaviCubeImplementation::createCubeFaceTex(float gap, float radius, char* text) {
GLuint NaviCubeImplementation::createCubeFaceTex(QtGLWidget* gl, float gap, float radius, const char* text) {
int texSize = m_CubeWidgetSize* m_OverSample;
int gapi = texSize * gap;
int radiusi = texSize * radius;
Expand All @@ -359,11 +366,17 @@ QOpenGLTexture* NaviCubeImplementation::createCubeFaceTex(float gap, float radiu
}

paint.end();
return new QOpenGLTexture(image.mirrored());
#if !defined(HAVE_QT5_OPENGL)
return gl->bindTexture(image);
#else
QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
m_glTextures.push_back(texture);
return texture->textureId();
#endif
}


QOpenGLTexture* NaviCubeImplementation::createButtonTex(int button) {
GLuint NaviCubeImplementation::createButtonTex(QtGLWidget* gl, int button) {
int texSize = m_CubeWidgetSize * m_OverSample;
QImage image(texSize, texSize, QImage::Format_ARGB32);
image.fill(qRgba(255, 255, 255, 0));
Expand Down Expand Up @@ -454,10 +467,16 @@ QOpenGLTexture* NaviCubeImplementation::createButtonTex(int button) {
painter.end();
//image.save(str(enum2str(button))+str(".png"));

return new QOpenGLTexture(image.mirrored());
#if !defined(HAVE_QT5_OPENGL)
return gl->bindTexture(image);
#else
QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
m_glTextures.push_back(texture);
return texture->textureId();
#endif
}

QOpenGLTexture* NaviCubeImplementation::createMenuTex( bool forPicking) {
GLuint NaviCubeImplementation::createMenuTex(QtGLWidget* gl, bool forPicking) {
int texSize = m_CubeWidgetSize* m_OverSample;
QImage image(texSize, texSize, QImage::Format_ARGB32);
image.fill(qRgba(0, 0, 0, 0));
Expand Down Expand Up @@ -520,7 +539,13 @@ QOpenGLTexture* NaviCubeImplementation::createMenuTex( bool forPicking) {
painter.fillPath(path5, QColor(64,64,64));
}
painter.end();
return new QOpenGLTexture(image.mirrored());
#if !defined(HAVE_QT5_OPENGL)
return gl->bindTexture(image);
#else
QOpenGLTexture *texture = new QOpenGLTexture(image.mirrored());
m_glTextures.push_back(texture);
return texture->textureId();
#endif
}


Expand Down Expand Up @@ -587,7 +612,7 @@ void NaviCubeImplementation::addFace(const Vector3f& x, const Vector3f& z, int f
m_IndexArray.push_back(t + 4 - 1 - i);
}

void NaviCubeImplementation::initNaviCube() {
void NaviCubeImplementation::initNaviCube(QtGLWidget* gl) {
Vector3f x(1, 0, 0);
Vector3f y(0, 1, 0);
Vector3f z(0, 0, 1);
Expand All @@ -612,36 +637,36 @@ void NaviCubeImplementation::initNaviCube() {
-sn, cs, 0,
0, 0, 1;

cs = cos(atan(sqrt(2)));
sn = sin(atan(sqrt(2)));
cs = cos(atan(sqrt(2.0)));
sn = sin(atan(sqrt(2.0)));
Matrix3f r45x;
r45x << 1, 0, 0,
0, cs, -sn,
0, sn, cs;

m_Textures[TEX_CORNER_FACE] = createCubeFaceTex(0, 0.5f, NULL);
m_Textures[TEX_BACK_FACE] = createCubeFaceTex(0.02f, 0.3f, NULL);
m_Textures[TEX_CORNER_FACE] = createCubeFaceTex(gl, 0, 0.5f, NULL);
m_Textures[TEX_BACK_FACE] = createCubeFaceTex(gl, 0.02f, 0.3f, NULL);

float gap = 0.12f;
float radius = 0.12f;
float gap = 0.12f;
float radius = 0.12f;

m_Textures[TEX_FRONT] = createCubeFaceTex(gap, radius, "Front");
m_Textures[TEX_REAR] = createCubeFaceTex(gap, radius, "Rear");
m_Textures[TEX_TOP] = createCubeFaceTex(gap, radius, "Top");
m_Textures[TEX_BOTTOM] = createCubeFaceTex(gap, radius, "Bottom");
m_Textures[TEX_RIGHT] = createCubeFaceTex(gap, radius, "Right");
m_Textures[TEX_LEFT] = createCubeFaceTex(gap, radius, "Left");
m_Textures[TEX_FRONT] = createCubeFaceTex(gl, gap, radius, "Front");
m_Textures[TEX_REAR] = createCubeFaceTex(gl, gap, radius, "Rear");
m_Textures[TEX_TOP] = createCubeFaceTex(gl, gap, radius, "Top");
m_Textures[TEX_BOTTOM] = createCubeFaceTex(gl, gap, radius, "Bottom");
m_Textures[TEX_RIGHT] = createCubeFaceTex(gl, gap, radius, "Right");
m_Textures[TEX_LEFT] = createCubeFaceTex(gl, gap, radius, "Left");

m_Textures[TEX_FRONT_FACE] = createCubeFaceTex( gap, radius, NULL);
m_Textures[TEX_FRONT_FACE] = createCubeFaceTex(gl, gap, radius, NULL);

m_Textures[TEX_ARROW_NORTH] = createButtonTex(TEX_ARROW_NORTH);
m_Textures[TEX_ARROW_SOUTH] = createButtonTex(TEX_ARROW_SOUTH);
m_Textures[TEX_ARROW_EAST] = createButtonTex(TEX_ARROW_EAST);
m_Textures[TEX_ARROW_WEST] = createButtonTex(TEX_ARROW_WEST);
m_Textures[TEX_ARROW_LEFT] = createButtonTex(TEX_ARROW_LEFT);
m_Textures[TEX_ARROW_RIGHT] = createButtonTex(TEX_ARROW_RIGHT);
m_Textures[TEX_VIEW_MENU_ICON] = createMenuTex(false);
m_Textures[TEX_VIEW_MENU_FACE] = createMenuTex(true);
m_Textures[TEX_ARROW_NORTH] = createButtonTex(gl, TEX_ARROW_NORTH);
m_Textures[TEX_ARROW_SOUTH] = createButtonTex(gl, TEX_ARROW_SOUTH);
m_Textures[TEX_ARROW_EAST] = createButtonTex(gl, TEX_ARROW_EAST);
m_Textures[TEX_ARROW_WEST] = createButtonTex(gl, TEX_ARROW_WEST);
m_Textures[TEX_ARROW_LEFT] = createButtonTex(gl, TEX_ARROW_LEFT);
m_Textures[TEX_ARROW_RIGHT] = createButtonTex(gl, TEX_ARROW_RIGHT);
m_Textures[TEX_VIEW_MENU_ICON] = createMenuTex(gl, false);
m_Textures[TEX_VIEW_MENU_FACE] = createMenuTex(gl, true);

// front,back,pick,pickid
addFace(x, z, TEX_TOP, TEX_BACK_FACE, TEX_FRONT_FACE, TEX_TOP,true);
Expand All @@ -664,8 +689,8 @@ void NaviCubeImplementation::initNaviCube() {
z = r45z * r45x * z;
x = r45z * r45x * x;

x *= 0.25f; // corner face size
z *= 1.45f; // corner face position
x *= 0.25f; // corner face size
z *= 1.45f; // corner face position

addFace(x, z, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_CORNER_FACE, TEX_BOTTOM_RIGHT_REAR);

Expand Down Expand Up @@ -738,7 +763,10 @@ void NaviCubeImplementation::drawNaviCube(bool pickMode) {
// initilizes stuff here when we actually have a context
// FIXME actually now that we have Qt5, we could probably do this earlier (as we do not need the opengl context)
if (!m_NaviCubeInitialised) {
initNaviCube();
QtGLWidget* gl = static_cast<QtGLWidget*>(m_View3DInventorViewer->viewport());
if (gl == NULL)
return;
initNaviCube(gl);
m_NaviCubeInitialised = true;
}

Expand Down Expand Up @@ -830,7 +858,7 @@ void NaviCubeImplementation::drawNaviCube(bool pickMode) {
if (!pickMode) {
// Draw the axes
glDisable(GL_TEXTURE_2D);
float a=1.1f;
float a=1.1f;

static GLubyte xbmp[] = { 0x11,0x11,0x0a,0x04,0x0a,0x11,0x11 };
glColor3f(1, 0, 0);
Expand Down Expand Up @@ -866,7 +894,7 @@ void NaviCubeImplementation::drawNaviCube(bool pickMode) {
if (pickMode) {
for (vector<Face*>::iterator f = m_Faces.begin(); f != m_Faces.end(); f++) {
glColor3ub((*f)->m_PickId, 0, 0);
(*f)->m_PickTextureId->bind();
glBindTexture(GL_TEXTURE_2D, (*f)->m_PickTextureId);
glDrawElements(GL_TRIANGLE_FAN, (*f)->m_VertexCount, GL_UNSIGNED_BYTE, (void*) &m_IndexArray[(*f)->m_FirstVertex]);
}
}
Expand All @@ -875,13 +903,13 @@ void NaviCubeImplementation::drawNaviCube(bool pickMode) {
for (vector<Face*>::iterator f = m_Faces.begin(); f != m_Faces.end(); f++) {
if (pickMode) { // pick should not be drawn in tree passes
glColor3ub((*f)->m_PickId, 0, 0);
(*f)->m_PickTextureId->bind();
glBindTexture(GL_TEXTURE_2D, (*f)->m_PickTextureId);
} else {
if (pass != (*f)->m_RenderPass)
continue;
QColor& c = (m_HiliteId == (*f)->m_PickId) && (pass < 2) ? m_HiliteColor : (*f)->m_Color;
glColor4f(c.redF(), c.greenF(), c.blueF(),c.alphaF());
(*f)->m_TextureId->bind();
glBindTexture(GL_TEXTURE_2D, (*f)->m_TextureId);
}
glDrawElements(GL_TRIANGLE_FAN, (*f)->m_VertexCount, GL_UNSIGNED_BYTE, (void*) &m_IndexArray[(*f)->m_FirstVertex]);
}
Expand Down Expand Up @@ -910,7 +938,7 @@ void NaviCubeImplementation::drawNaviCube(bool pickMode) {
QColor& c = (m_HiliteId ==(*b)) ? m_HiliteColor : m_ButtonColor;
glColor3f(c.redF(), c.greenF(), c.blueF());
}
m_Textures[*b]->bind();
glBindTexture(GL_TEXTURE_2D, m_Textures[*b]);

glBegin(GL_QUADS);
glTexCoord2f(0, 0);
Expand All @@ -927,13 +955,13 @@ void NaviCubeImplementation::drawNaviCube(bool pickMode) {
// Draw the view menu icon
if (pickMode) {
glColor3ub(TEX_VIEW_MENU_FACE, 0, 0);
m_Textures[TEX_VIEW_MENU_FACE]->bind();
glBindTexture(GL_TEXTURE_2D, m_Textures[TEX_VIEW_MENU_FACE]);
}
else {
if (m_HiliteId == TEX_VIEW_MENU_FACE) {
QColor& c = m_HiliteColor;
glColor4f(c.redF(), c.greenF(), c.blueF(),c.alphaF());
m_Textures[TEX_VIEW_MENU_FACE]->bind();
glBindTexture(GL_TEXTURE_2D, m_Textures[TEX_VIEW_MENU_FACE]);

glBegin(GL_QUADS); // DO THIS WITH VERTEX ARRAYS
glTexCoord2f(0, 0);
Expand All @@ -948,7 +976,7 @@ void NaviCubeImplementation::drawNaviCube(bool pickMode) {
}

glColor3ub(255,255,255);
m_Textures[TEX_VIEW_MENU_ICON]->bind();
glBindTexture(GL_TEXTURE_2D, m_Textures[TEX_VIEW_MENU_ICON]);
}

glBegin(GL_QUADS); // FIXME do this with vertex arrays
Expand Down Expand Up @@ -989,11 +1017,11 @@ int NaviCubeImplementation::pickFace(short x, short y) {

glFinish();

glReadPixels(2*(x - (m_CubeWidgetPosX-m_CubeWidgetSize/2)), 2*(y - (m_CubeWidgetPosY-m_CubeWidgetSize/2)), 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &pixels);
glReadPixels(2*(x - (m_CubeWidgetPosX-m_CubeWidgetSize/2)), 2*(y - (m_CubeWidgetPosY-m_CubeWidgetSize/2)), 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &pixels);
m_PickingFramebuffer->release();

QImage image = m_PickingFramebuffer->toImage();
image.save(QLatin1String("pickimage.png"));
//QImage image = m_PickingFramebuffer->toImage();
//image.save(QLatin1String("pickimage.png"));
}
return pixels[3] == 255 ? pixels[0] : 0;
}
Expand Down Expand Up @@ -1058,7 +1086,7 @@ bool NaviCubeImplementation::mouseReleased(short x, short y) {
m_MouseDown = false;
if (!m_Dragging) {
float rot = 45 ; //30;
float tilt = 90-54.7356f ; //30; // 90 + deg(asin(-sqrt(1.0/3.0)))
float tilt = 90-54.7356f ; //30; // 90 + deg(asin(-sqrt(1.0/3.0)))
int pick = pickFace(x,y);
switch (pick) {
default:
Expand Down

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