Initial commit.
This commit is contained in:
Jim Gray
315
tools/ModView/text.cpp
Normal file
315
tools/ModView/text.cpp
Normal file
@@ -0,0 +1,315 @@
|
||||
// Filename:- text.cpp
|
||||
//
|
||||
// Some useful text display routines for text within OpenGL window panes..
|
||||
//
|
||||
// Uses charset from Beeb micro
|
||||
//
|
||||
#include "stdafx.h"
|
||||
#include "includes.h"
|
||||
//#include "ndictionary.h" // needed so I can include "md3view.h"
|
||||
//#include "md3gl.h"
|
||||
//#include "DiskIO.h"
|
||||
//#include "md3view.h" // needed so I can access mdview struct
|
||||
//
|
||||
#include "text.h"
|
||||
|
||||
bool gbTextInhibit = false;
|
||||
|
||||
|
||||
// internal protos...
|
||||
//
|
||||
void Text_EnsureCreated(void);
|
||||
|
||||
|
||||
BYTE byChars[]=
|
||||
{
|
||||
0,0,0,0,0,0,0,0
|
||||
,24,24,24,24,24,0,24,0
|
||||
,108,108,108,0,0,0,0,0
|
||||
,108,108,-2,108,-2,108,108,0
|
||||
,12,63,104,62,11,126,24,0
|
||||
,96,102,12,24,48,102,6,0
|
||||
,56,108,108,56,109,102,59,0
|
||||
,12,24,48,0,0,0,0,0
|
||||
,12,24,48,48,48,24,12,0
|
||||
,48,24,12,12,12,24,48,0
|
||||
,0,24,126,60,126,24,0,0
|
||||
,0,24,24,126,24,24,0,0
|
||||
,0,0,0,0,0,12,12,48
|
||||
,0,0,0,126,0,0,0,0
|
||||
,0,0,0,0,0,0,24,24
|
||||
,0,6,12,24,48,96,0,0
|
||||
,60,102,110,126,118,102,60,0
|
||||
,24,56,24,24,24,24,126,0
|
||||
,60,102,6,12,24,48,126,0
|
||||
,60,102,6,28,6,102,60,0
|
||||
,12,28,60,108,126,12,12,0
|
||||
,126,96,124,6,6,102,60,0
|
||||
,28,48,96,124,102,102,60,0
|
||||
,126,6,12,24,48,48,48,0
|
||||
,60,102,102,60,102,102,60,0
|
||||
,60,102,102,62,6,12,56,0
|
||||
,0,0,24,24,0,24,24,0
|
||||
,0,0,24,24,0,24,24,48
|
||||
,12,24,48,96,48,24,12,0
|
||||
,0,0,126,0,126,0,0,0
|
||||
,48,24,12,6,12,24,48,0
|
||||
,60,102,12,24,24,0,24,0
|
||||
,60,102,110,106,110,96,60,0
|
||||
,60,102,102,126,102,102,102,0
|
||||
,124,102,102,124,102,102,124,0
|
||||
,60,102,96,96,96,102,60,0
|
||||
,120,108,102,102,102,108,120,0
|
||||
,126,96,96,124,96,96,126,0
|
||||
,126,96,96,124,96,96,96,0
|
||||
,60,102,96,110,102,102,60,0
|
||||
,102,102,102,126,102,102,102,0
|
||||
,126,24,24,24,24,24,126,0
|
||||
,62,12,12,12,12,108,56,0
|
||||
,102,108,120,112,120,108,102,0
|
||||
,96,96,96,96,96,96,126,0
|
||||
,99,119,127,107,107,99,99,0
|
||||
,102,102,118,126,110,102,102,0
|
||||
,60,102,102,102,102,102,60,0
|
||||
,124,102,102,124,96,96,96,0
|
||||
,60,102,102,102,106,108,54,0
|
||||
,124,102,102,124,108,102,102,0
|
||||
,60,102,96,60,6,102,60,0
|
||||
,126,24,24,24,24,24,24,0
|
||||
,102,102,102,102,102,102,60,0
|
||||
,102,102,102,102,102,60,24,0
|
||||
,99,99,107,107,127,119,99,0
|
||||
,102,102,60,24,60,102,102,0
|
||||
,102,102,102,60,24,24,24,0
|
||||
,126,6,12,24,48,96,126,0
|
||||
,124,96,96,96,96,96,124,0
|
||||
,0,96,48,24,12,6,0,0
|
||||
,62,6,6,6,6,6,62,0
|
||||
,24,60,102,66,0,0,0,0
|
||||
,0,0,0,0,0,0,0,-1
|
||||
,28,54,48,124,48,48,126,0
|
||||
,0,0,60,6,62,102,62,0
|
||||
,96,96,124,102,102,102,124,0
|
||||
,0,0,60,102,96,102,60,0
|
||||
,6,6,6,62,102,102,62,0
|
||||
,0,0,60,102,126,96,60,0
|
||||
,28,48,48,124,48,48,48,0
|
||||
,0,0,62,102,102,62,6,60
|
||||
,96,96,124,102,102,102,102,0
|
||||
,24,0,56,24,24,24,60,0
|
||||
,24,0,56,24,24,24,24,112
|
||||
,96,96,102,108,120,108,102,0
|
||||
,56,24,24,24,24,24,60,0
|
||||
,0,0,54,127,107,99,99,0
|
||||
,0,0,124,102,102,102,102,0
|
||||
,0,0,60,102,102,102,60,0
|
||||
,0,0,124,102,102,124,96,96
|
||||
,0,0,62,102,102,62,6,7
|
||||
,0,0,108,118,96,96,96,0
|
||||
,0,0,62,96,60,6,124,0
|
||||
,48,48,124,48,48,48,28,0
|
||||
,0,0,102,102,102,102,62,0
|
||||
,0,0,102,102,102,60,24,0
|
||||
,0,0,99,99,107,127,54,0
|
||||
,0,0,102,60,24,60,102,0
|
||||
,0,0,102,102,102,62,6,60
|
||||
,0,0,126,12,24,48,126,0
|
||||
,12,24,24,112,24,24,12,0
|
||||
,24,24,24,0,24,24,24,0
|
||||
,48,24,24,14,24,24,48,0
|
||||
,49,107,70,0,0,0,0,0
|
||||
,126,195,219,211,211,219,195,126
|
||||
};
|
||||
|
||||
GLuint gFontOffset;
|
||||
BOOL bTextCreated=FALSE;
|
||||
#define TOTALFONTENTRIES 128 // enough for all 7-bit ascii range
|
||||
|
||||
// This should be called once at program start, but only after OpenGL is up and running (and in context)...
|
||||
//
|
||||
// (Actually it's now called every time you print a string, but the bool check protects it)
|
||||
//
|
||||
void Text_EnsureCreated(void)
|
||||
{
|
||||
static bool bFlipped = FALSE;
|
||||
|
||||
if (!bTextCreated)
|
||||
{
|
||||
if (!bFlipped)
|
||||
{
|
||||
// first stage is to flip all the char defs top to bottom to match OpenGL format...
|
||||
//
|
||||
for (int i=0; i<sizeof(byChars); i+=TEXT_DEPTH)
|
||||
{
|
||||
// each char...
|
||||
//
|
||||
for (int j=0; j<4; j++)
|
||||
{
|
||||
byte b = byChars[i+j];
|
||||
byChars[i+j] = byChars[i+(7-j)];
|
||||
byChars[i+(7-j)] = b;
|
||||
}// for (int j=0; j<4; j++)
|
||||
}// for (int i=0; i<sizeof(byChars); i+=TEXT_DEPTH)
|
||||
bFlipped = TRUE;
|
||||
}// if (!bFlipped)
|
||||
|
||||
// make a raster Font for OpenGL...
|
||||
//
|
||||
glPixelStorei(GL_UNPACK_ALIGNMENT,1);
|
||||
// gFontOffset = TEXT_CALLLIST;
|
||||
gFontOffset = glGenLists(TOTALFONTENTRIES);
|
||||
|
||||
|
||||
for (int i=0; i<sizeof(byChars)/TEXT_DEPTH; i++)
|
||||
{
|
||||
glNewList(gFontOffset + ' '+i,GL_COMPILE);
|
||||
glBitmap(TEXT_WIDTH, TEXT_DEPTH,0.0,0.0,TEXT_WIDTH,0.0,&byChars[i*TEXT_DEPTH]);
|
||||
glEndList();
|
||||
}
|
||||
bTextCreated=TRUE;
|
||||
}// if (!bTextCreated)
|
||||
|
||||
}// void Text_EnsureCreated(void)
|
||||
|
||||
|
||||
|
||||
|
||||
// Called at end of program from scModels_Destroy() since this program doesn't appear to have
|
||||
// much in the way of begin/end points to attach things to...
|
||||
//
|
||||
// OpenGL should still be active at this point for giving back lists, but if it isn't then I suspect
|
||||
// it doesn't matter 100% since we'll be dropping back to Windows anyway which will (hopefully) free up everything.
|
||||
//
|
||||
void Text_Destroy(void)
|
||||
{
|
||||
if (bTextCreated)
|
||||
{
|
||||
glDeleteLists(gFontOffset,TOTALFONTENTRIES);
|
||||
bTextCreated = FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
// Displays a text string at a 3d world point...
|
||||
//
|
||||
void Text_Display(LPCSTR psString, vec3_t v3DPos, byte r, byte g, byte b)
|
||||
{
|
||||
if (!gbTextInhibit)
|
||||
{
|
||||
// it appears I have to do this in MD3View or paint messages keep getting back here even after SysOnDestroy()...
|
||||
//
|
||||
// if (!mdview.done)
|
||||
{
|
||||
int iStrlen = strlen(psString);
|
||||
|
||||
Text_EnsureCreated();
|
||||
|
||||
if (iStrlen)
|
||||
{
|
||||
glPushAttrib(GL_LIGHTING_BIT | GL_LIST_BIT | GL_ENABLE_BIT);
|
||||
glDisable(GL_LIGHTING);
|
||||
glDisable(GL_TEXTURE_2D);
|
||||
glColor3ub(r,g,b);
|
||||
glRasterPos3f(v3DPos[0],v3DPos[1],v3DPos[2]);
|
||||
glListBase(gFontOffset);
|
||||
glCallLists(iStrlen,GL_UNSIGNED_BYTE,(GLubyte *) psString);
|
||||
glPopAttrib();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
// Displays text at a 2d screen coord. 0,0 is top left corner, add TEXT_DEPTH per Y to go down a line
|
||||
//
|
||||
// Note new param 'bResizeStringIfNecessary', this is so that if a string goes off the left hand edge of the window
|
||||
// it will now (instead of just not printing the entire string like OpenGL would normally do) move the print pos up
|
||||
// a char each time until it fits. It may take more time to do so only set the bool true if really needed.
|
||||
//
|
||||
// return value is a convenient xpos for next xpos along after this strlen...
|
||||
//
|
||||
int Text_DisplayFlat(LPCSTR psString, int x, int y, byte r, byte g, byte b, bool bResizeStringIfNecessary /* = false */)
|
||||
{
|
||||
int iRetVal = x;
|
||||
|
||||
if (!gbTextInhibit) // this will also mean the non-existant cursor isn't moved on by the retval, but that shouldn't matter under this circumstance
|
||||
{
|
||||
// it appears I have to do this in MD3View or paint messages keep getting back here even after SysOnDestroy()...
|
||||
//
|
||||
// if (!mdview.done)
|
||||
{
|
||||
int iStrlen = strlen(psString);
|
||||
GLboolean bRasterValid;
|
||||
|
||||
Text_EnsureCreated();
|
||||
|
||||
// (source indenting only to help with gl stack status)
|
||||
|
||||
if (iStrlen)
|
||||
{
|
||||
glPushAttrib(GL_LIGHTING_BIT | GL_LIST_BIT | GL_TRANSFORM_BIT | GL_ENABLE_BIT);
|
||||
{
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glPushMatrix();
|
||||
{
|
||||
glLoadIdentity();
|
||||
|
||||
gluOrtho2D(0.0,(GLfloat) g_iScreenWidth, 0.0, (GLfloat) g_iScreenHeight);
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glPushMatrix();
|
||||
{
|
||||
glLoadIdentity();
|
||||
|
||||
glDisable(GL_TEXTURE_2D);
|
||||
glDisable(GL_LIGHTING);
|
||||
|
||||
glColor3ub(r,g,b);
|
||||
// glRasterPos2i(x,y); // from bottom left
|
||||
|
||||
// pre-dec to counter pre-inc coming up...
|
||||
//
|
||||
x-=TEXT_WIDTH;
|
||||
iStrlen+=1;
|
||||
psString--;
|
||||
|
||||
do
|
||||
{
|
||||
x+=TEXT_WIDTH;
|
||||
iStrlen-=1;
|
||||
psString++;
|
||||
//
|
||||
glRasterPos2i(x,(g_iScreenHeight-y)-TEXT_DEPTH);
|
||||
glGetBooleanv(GL_CURRENT_RASTER_POSITION_VALID,&bRasterValid);
|
||||
}
|
||||
while ( bResizeStringIfNecessary && !bRasterValid && iStrlen);
|
||||
|
||||
if (iStrlen) // because it may have all been clipped off the left
|
||||
{
|
||||
glListBase(gFontOffset);
|
||||
glCallLists(iStrlen,GL_UNSIGNED_BYTE,(GLubyte *) psString);
|
||||
iRetVal += iStrlen*TEXT_WIDTH;
|
||||
}
|
||||
}
|
||||
glPopMatrix(); // GL_MODELVIEW
|
||||
}
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glPopMatrix();
|
||||
//
|
||||
}
|
||||
glPopAttrib();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return iRetVal;
|
||||
}
|
||||
|
||||
|
||||
////////////////////////////// eof /////////////////////////////////
|
||||
|
||||
Reference in New Issue
Block a user