void SetExtGLFuncs(void)
{
//----------------------------------------------------//
SetFixes(); // update fix infos
//----------------------------------------------------//
{
if(bAdvancedBlend) bUseMultiPass=TRUE; // -> pseudo-advanced with 2 passes
else bUseMultiPass=FALSE; // -> or simple 'bright color' mode
// bGLBlend=FALSE; // -> no ext blending!
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glError();
}
if(bOpaquePass) // opaque mode?
{
if(dwActFixes&32)
{
TCF[0]=CP8RGBA_0;
PalTexturedColourFn=CP8RGBA; // -> init col func
}
else
{
TCF[0]=XP8RGBA_0;
PalTexturedColourFn=XP8RGBA; // -> init col func
}
TCF[1]=XP8RGBA_1;
glAlphaFuncx(GL_GREATER,0.49f); glError();
}
else // no opaque mode?
{
TCF[0]=TCF[1]=P8RGBA;
PalTexturedColourFn=P8RGBA; // -> init col func
glAlphaFuncx(GL_NOTEQUAL,0); glError(); // --> set alpha func
}
//----------------------------------------------------//
LoadSubTexFn=LoadSubTexturePageSort; // init load tex ptr
bBlendEnable=FALSE; // init blending: off
glDisable(GL_BLEND); glError();
SetScanTrans(); // init scan lines (if wanted)
}
/*
* Draw a bitmap character
*/
void FGAPIENTRY
glutBitmapCharacterTex(void* fontID, int x, int y, int character)
{
#if (GL_OES_VERSION_1_1 >= 1)
const GLubyte* face;
SFG_Font* font = fghFontByID(fontID);
GLint v[] = {0, 0, _INT2FIXED(64), _INT2FIXED(64)}; //face[0], font->Height};
GLubyte buff[64*64];
GLuint tid;
if(!font)
return;
if(!(character >= 1)&&(character < 256))
return;
/*
* Find the character we want to draw (???)
*/
face = font->Characters[ character - 1 ];
memset(buff, 0, 64*64*sizeof(GLubyte));
BitsToBytes(face+1, face[0], font->Height, buff, 64, 64);
glGenTextures(1, &tid);
glBindTexture(GL_TEXTURE_2D, tid);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA,
64, 64, 0, GL_ALPHA, GL_UNSIGNED_BYTE,
buff);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glEnable(GL_TEXTURE_2D);
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glEnable(GL_ALPHA_TEST);
glAlphaFuncx(GL_EQUAL, 0);
glTexParameterxv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, v);
glDrawTexxOES(_INT2FIXED(x), _INT2FIXED(y), _INT2FIXED(0), _INT2FIXED(16), _INT2FIXED(16)); //face[0], font->Height);
glDisable(GL_ALPHA_TEST);
glDisable(GL_TEXTURE_2D);
glDeleteTextures(1, &tid);
#endif
}
/*
* Draw a bitmap character
*/
void
__glutBitmapCharacter(SFG_Font* font, int character)
{
int i, nbpoints;
GLshort *points;
const GLubyte *face;
GLushort indices[64*64];
if(!(character >= 1)&&(character < 256))
return;
/*
* Find the character we want to draw (???)
*/
face = font->Characters[ character - 1 ];
points = (GLshort*)malloc(font->Height * face[0] * 2 * sizeof(GLshort));
nbpoints = BitsToIndexedShorts(face+1, face[0], font->Height, points, 0, 0);
glEnable(GL_ALPHA_TEST);
glAlphaFuncx(GL_NOTEQUAL, 0);
for(i = 0; i < nbpoints; i++)
indices[i] = i;
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glEnableClientState (GL_VERTEX_ARRAY);
glVertexPointer(2, GL_SHORT, 0, points);
glDrawElements(GL_POINTS,
nbpoints,
GL_UNSIGNED_SHORT,
indices);
glDisable(GL_ALPHA_TEST);
free(points);
}
void glAlphaFuncxLogged(GLenum func, GLclampx ref) {
printf("glAlphaFuncx(%s, %i)\n", GLEnumName(func), ref);
glAlphaFuncx(func, ref);
}
void FGAPIENTRY
glutTrueTypeStringPoints(WCHAR *fontname, int fontsize, int style, int x, int y, const WCHAR *string)
{
int len, xx = 0, yy = 0, nbpoints = 0, i;
GLshort *points;
GLushort *indices;
HFONT font;
LOGFONTW lf;
RECT rect;
static HBITMAP bmp;
static BYTE *img;
static HDC hdc = NULL;
static BITMAPINFO bi;
SIZE sz;
static EGLint width, height;
if(!fontname || !string)
return;
if(!string[0])
return;
// Initialize static DC and DIB bitmap on the first call
if(!hdc)
{
// Create a device compatible DC
hdc = CreateCompatibleDC(GetDC(fgStructure.Window->Window.Handle));
eglQuerySurface(fgDisplay.eglDisplay, fgStructure.Window->Window.Surface, EGL_WIDTH, &width);
eglQuerySurface(fgDisplay.eglDisplay, fgStructure.Window->Window.Surface, EGL_HEIGHT, &height);
// Create a DIB bitmap and attach it to the DC
ZeroMemory(&bi, sizeof(BITMAPINFO));
bi.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
bi.bmiHeader.biWidth = width;
bi.bmiHeader.biHeight = height;
bi.bmiHeader.biBitCount = 8;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biCompression = BI_RGB;
bmp = CreateDIBSection(hdc, &bi, DIB_RGB_COLORS, &img, NULL, 0);
SelectObject(hdc, bmp);
SelectObject(hdc, GetStockObject(BLACK_BRUSH));
SetBkMode(hdc, TRANSPARENT);
SetTextColor(hdc, RGB(255, 255, 255));
}
// Erase DC content with the current black brush
//Rectangle(hdc, 0, 0, width, height);
ZeroMemory(img, width * height);
// Create the font handle and attach it to the DC
lf.lfCharSet = DEFAULT_CHARSET;
lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lf.lfEscapement = 0;
wcscpy(lf.lfFaceName, fontname);
lf.lfHeight = -(fontsize * GetDeviceCaps(GetDC(fgStructure.Window->Window.Handle), LOGPIXELSY) / 72);
lf.lfItalic = (style & 1) ? TRUE : FALSE;
lf.lfOrientation = 0;
lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
lf.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
lf.lfQuality = DEFAULT_QUALITY;
lf.lfStrikeOut = FALSE;
lf.lfUnderline = (style & 4) ? TRUE : FALSE;
lf.lfWidth = 0;
lf.lfWeight = (style & 2) ? FW_BOLD : FW_NORMAL;
font = CreateFontIndirectW(&lf);
SelectObject(hdc, font);
// Draw text in white onto the bitmap
len = wcslen(string);
GetTextExtentPointW(hdc, string, len, &sz);
rect.left = max(0, min(x, width));
rect.top = max(0, min(y, height));
rect.right = min(rect.left + sz.cx, width);
rect.bottom = min(rect.top + sz.cy, height);
DrawTextW(hdc, string, len, &rect, DT_LEFT | DT_BOTTOM);
// Traverse the bitmap and add all white pixels into a points buffer
points = (GLshort*)malloc(sz.cx * sz.cy * 2 * sizeof(short));
for(yy = rect.top; yy < rect.bottom; yy++)
{
for(xx = rect.left; xx < rect.right; xx++)
{
if(img[xx + (height - yy) * width] != 0)
{
points[nbpoints * 2 + 0] = xx - x;
points[nbpoints * 2 + 1] = (short)(rect.top + sz.cy - (yy - rect.top)) - y;
nbpoints++;
}
}
}
// Delete GDI font object
DeleteObject(font);
// Prepare the index buffer
indices = (GLushort*)malloc(nbpoints * sizeof(GLushort));
for(i = 0; i < nbpoints; i++)
indices[i] = i;
// Draw the points buffer
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrthox(0, _INT2FIXED(width),
0, _INT2FIXED(height),
0, _INT2FIXED(1));
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glDisable(GL_DEPTH_TEST);
glTranslatex(_INT2FIXED(x), _INT2FIXED(y), 0);
glEnable(GL_ALPHA_TEST);
glAlphaFuncx(GL_NOTEQUAL, 0);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glEnableClientState (GL_VERTEX_ARRAY);
glVertexPointer(2, GL_SHORT, 0, points);
glDrawElements(GL_POINTS,
nbpoints,
GL_UNSIGNED_SHORT,
indices);
glDisable(GL_ALPHA_TEST);
glEnable(GL_DEPTH_TEST);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
free(indices);
free(points);
}
void FGAPIENTRY
glutBitmapStringPoints(void* fontID, int x, int y, const char *string)
{
SFG_Font* font = fghFontByID(fontID);
int numchar, xx = 0, yy = 0, nbpoints = 0, i, c;
GLshort *points;
GLushort *indices;
if(!font || !string)
return;
if(!string[0])
return;
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrthox(0, _INT2FIXED(fgStructure.Window->State.Width), 0,
_INT2FIXED(fgStructure.Window->State.Height), 0, _INT2FIXED(1));
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glDisable(GL_DEPTH_TEST);
glTranslatex(_INT2FIXED(x), _INT2FIXED(y), 0);
numchar = (int)strlen((char*) string);
points = (GLshort*)malloc(numchar *
font->Height * (*(font->Characters[ 'X' - 1 ])) *
8 * sizeof(GLshort));
for(c = 0; c < numchar; c++)
{
if(string[c] == '\n')
{
yy -= font->Height;
xx = 0;
}
else
{
const GLubyte* face = font->Characters[ string[c] - 1 ];
nbpoints += BitsToIndexedShorts(face+1, face[0], font->Height, points+(nbpoints*2), xx, yy);
xx += face[0];
}
}
glEnable(GL_ALPHA_TEST);
glAlphaFuncx(GL_NOTEQUAL, 0);
indices = (GLushort*)malloc(nbpoints*sizeof(GLushort));
for(i = 0; i < nbpoints; i++)
indices[i] = i;
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glEnableClientState (GL_VERTEX_ARRAY);
glVertexPointer(2, GL_SHORT, 0, points);
glDrawElements(GL_POINTS,
nbpoints,
GL_UNSIGNED_SHORT,
indices);
glDisable(GL_ALPHA_TEST);
free(indices);
free(points);
glEnable(GL_DEPTH_TEST);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
}