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Hopefully a less sucky text queue. Should kill black boxes.

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This commit is contained in:
Mark Watkins 2011-08-26 11:14:49 +10:00
parent b8014fdaca
commit 6b3bfe48fa
2 changed files with 66 additions and 39 deletions
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86
Graphs/gGraphView.cpp
View File

@ -217,36 +217,7 @@ void gGraph::qglColor(QColor col)
}
void gGraph::renderText(QString text, int x,int y, float angle, QColor color, QFont *font)
{
// GL Font drawing is ass in Qt.. :(
// I tried queuing this but got crappy memory leaks.. for now I don't give a crap if this is slow.
QPainter *painter=m_graphview->painter;
glPushAttrib(GL_COLOR_BUFFER_BIT);
glEnable(GL_BLEND);
//glEnable(GL_TEXTURE_2D);
//glEnable(GL_DEPTH_BUFFER);
painter->endNativePainting();
QBrush b(color);
painter->setBrush(b);
painter->setFont(*font);
if (angle==0) {
painter->drawText(x,y,text);
} else {
float w,h;
GetTextExtent(text, w, h, font);
painter->translate(x,y);
painter->rotate(-angle);
painter->drawText(floor(-w/2.0),floor(-h/2.0),text);
painter->rotate(+angle);
painter->translate(-x,-y);
}
painter->beginNativePainting();
glDisable(GL_BLEND);
//glDisable(GL_TEXTURE_2D);
glPopAttrib();
//glEnable(GL_DEPTH_BUFFER);
m_graphview->AddTextQue(text,x,y,angle,color,font);
}
@ -685,6 +656,7 @@ gGraphView::gGraphView(QWidget *parent) :
m_offsetY(0),m_offsetX(0),m_scaleY(1.0),m_scrollbar(NULL)
{
m_sizer_index=m_graph_index=0;
m_textque_items=0;
m_button_down=m_graph_dragging=m_sizer_dragging=false;
this->setMouseTracking(true);
InitGraphs();
@ -699,6 +671,52 @@ gGraphView::~gGraphView()
this->disconnect(SIGNAL(sliderMoved(int)),this);
}
}
void gGraphView::DrawTextQue()
{
glPushAttrib(GL_COLOR_BUFFER_BIT);
glFlush();
//glEnable(GL_BLEND);
QPainter painter(this);
for (int i=0;i<m_textque_items;i++) {
// GL Font drawing is ass in Qt.. :(
TextQue & q=m_textque[i];
QBrush b(q.color);
painter.setBrush(b);
painter.setFont(*q.font);
if (q.angle==0) {
painter.drawText(q.x, q.y, q.text);
} else {
float w,h;
GetTextExtent(q.text, w, h, q.font);
painter.translate(q.x, q.y);
painter.rotate(-q.angle);
painter.drawText(floor(-w/2.0), floor(-h/2.0), q.text);
painter.rotate(+q.angle);
painter.translate(-q.x, -q.y);
}
q.text.clear();
}
painter.end();
glPopAttrib();
m_textque_items=0;
}
void gGraphView::AddTextQue(QString & text, short x, short y, float angle, QColor & color, QFont * font)
{
if (m_textque_items>=textque_max) {
DrawTextQue();
}
TextQue & q=m_textque[m_textque_items];
q.text=text;
q.x=x;
q.y=y;
q.angle=angle;
q.color=color;
q.font=font;
m_textque_items++;
}
void gGraphView::AddGraph(gGraph *g)
{
@ -840,11 +858,6 @@ void gGraphView::paintGL()
if (width()<=0) return;
if (height()<=0) return;
QPainter qp(this);
qp.beginNativePainting();
painter=&qp;
glClearColor(255,255,255,255);
//glClearDepth(1);
glClear(GL_COLOR_BUFFER_BIT);// | GL_DEPTH_BUFFER_BIT);
@ -909,10 +922,9 @@ void gGraphView::paintGL()
py=ceil(py);
}
DrawTextQue();
//glDisable(GL_TEXTURE_2D);
//glDisable(GL_DEPTH_TEST);
qp.endNativePainting();
qp.end();
swapBuffers(); // Dump to screen.
}

19
Graphs/gGraphView.h
View File

@ -14,6 +14,17 @@
class gGraphView;
class gGraph;
const int textque_max=2048;
struct TextQue
{
short x,y;
float angle;
QString text;
QColor color;
QFont *font;
};
class MyScrollBar:public QScrollBar
{
public:
@ -208,12 +219,13 @@ public:
void setPointClicked(QPoint p) { m_point_clicked=p; }
void setGlobalPointClicked(QPoint p) { m_global_point_clicked=p; }
QPainter *painter;
gGraph *m_selected_graph;
void AddTextQue(QString & text, short x, short y, float angle, QColor & color, QFont * font);
protected:
void DrawTextQue();
float totalHeight();
float scaleHeight();
@ -252,6 +264,9 @@ protected:
bool m_graph_dragging;
int m_graph_index;
TextQue m_textque[textque_max];
int m_textque_items;
signals: