示例#1
0
LRESULT CWindow::OnPaint(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    int iLineCount, iColumnCount;
    PAINTSTRUCT ps;

    BeginPaint(hWnd, &ps);
    iLineCount = cyClient / cyChar;
    iColumnCount = cxClient / cxChar;
    SelectObject(ps.hdc, m_hFont);

    for (UInt32 i = 0, j = min(countof(szErrorString), iLineCount); i != j; ++i)
    {
        int len = lstrlen(szErrorString[i + iVScrollPos]);
        if (i + iVScrollPos < countof(szErrorString))
        {
            TextOut(ps.hdc, 10, i * cyChar, szErrorString[i + iVScrollPos], min(len, iColumnCount));
        }
    }

    PBYTE pbBuffer;
    DWORD dwSize;
    GLYPHMETRICS gm;
    MAT2 m2 = { {0, 1}, {0, 0}, {0, 0}, {0, 1} };
    BYTE m_matrix[32];
    char buf[100];

    dwSize = GetGlyphOutlineA(ps.hdc, 0xB8DF, GGO_BITMAP, &gm, 0, NULL, &m2);
    if (dwSize != GDI_ERROR)
    {
        pbBuffer = (PBYTE)malloc(dwSize);
        GetGlyphOutlineA(ps.hdc, 0xB8DF, GGO_BITMAP, &gm, dwSize, pbBuffer, &m2);
        for(DWORD i = 0; i < dwSize / 4; ++i)
        {
            m_matrix[i*2] = pbBuffer[4*i];
            m_matrix[i*2+1] = pbBuffer[4*i+1];

            wsprintf(buf, "0x%02X 0x%02X", m_matrix[i*2], m_matrix[i*2+1]);
        }
        free(pbBuffer);
    }

    wsprintf(buf, "%d", GetDeviceCaps(ps.hdc, PLANES) * GetDeviceCaps(ps.hdc, BITSPIXEL));
    SetWindowText(hWnd, buf);
    GetNearestColor(ps.hdc, RGB(123, 321, 123));
    EndPaint(hWnd, &ps);

    return ERROR_SUCCESS;
}
示例#2
0
/***********************************************************************
 *		wglUseFontOutlines_common
 */
static BOOL wglUseFontOutlines_common(HDC hdc,
                                      DWORD first,
                                      DWORD count,
                                      DWORD listBase,
                                      FLOAT deviation,
                                      FLOAT extrusion,
                                      int format,
                                      LPGLYPHMETRICSFLOAT lpgmf,
                                      BOOL unicode)
{
    UINT glyph;
    const MAT2 identity = {{0,1},{0,0},{0,0},{0,1}};
    GLUtesselator *tess;
    LOGFONTW lf;
    HFONT old_font, unscaled_font;
    UINT em_size = 1024;
    RECT rc;

    TRACE("(%p, %d, %d, %d, %f, %f, %d, %p, %s)\n", hdc, first, count,
          listBase, deviation, extrusion, format, lpgmf, unicode ? "W" : "A");

    if (!load_libglu())
    {
        ERR("libGLU is required for this function but isn't loaded\n");
        return FALSE;
    }

    ENTER_GL();
    tess = pgluNewTess();
    if(tess)
    {
        pgluTessCallback(tess, GLU_TESS_VERTEX, (_GLUfuncptr)tess_callback_vertex);
        pgluTessCallback(tess, GLU_TESS_BEGIN, (_GLUfuncptr)tess_callback_begin);
        pgluTessCallback(tess, GLU_TESS_END, tess_callback_end);
    }
    LEAVE_GL();

    if(!tess) return FALSE;

    GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(lf), &lf);
    rc.left = rc.right = rc.bottom = 0;
    rc.top = em_size;
    DPtoLP(hdc, (POINT*)&rc, 2);
    lf.lfHeight = -abs(rc.top - rc.bottom);
    lf.lfOrientation = lf.lfEscapement = 0;
    unscaled_font = CreateFontIndirectW(&lf);
    old_font = SelectObject(hdc, unscaled_font);

    for (glyph = first; glyph < first + count; glyph++)
    {
        DWORD needed;
        GLYPHMETRICS gm;
        BYTE *buf;
        TTPOLYGONHEADER *pph;
        TTPOLYCURVE *ppc;
        GLdouble *vertices;

        if(unicode)
            needed = GetGlyphOutlineW(hdc, glyph, GGO_NATIVE, &gm, 0, NULL, &identity);
        else
            needed = GetGlyphOutlineA(hdc, glyph, GGO_NATIVE, &gm, 0, NULL, &identity);

        if(needed == GDI_ERROR)
            goto error;

        buf = HeapAlloc(GetProcessHeap(), 0, needed);
        vertices = HeapAlloc(GetProcessHeap(), 0, needed / sizeof(POINTFX) * 3 * sizeof(GLdouble));

        if(unicode)
            GetGlyphOutlineW(hdc, glyph, GGO_NATIVE, &gm, needed, buf, &identity);
        else
            GetGlyphOutlineA(hdc, glyph, GGO_NATIVE, &gm, needed, buf, &identity);

        TRACE("glyph %d\n", glyph);

        if(lpgmf)
        {
            lpgmf->gmfBlackBoxX = (float)gm.gmBlackBoxX / em_size;
            lpgmf->gmfBlackBoxY = (float)gm.gmBlackBoxY / em_size;
            lpgmf->gmfptGlyphOrigin.x = (float)gm.gmptGlyphOrigin.x / em_size;
            lpgmf->gmfptGlyphOrigin.y = (float)gm.gmptGlyphOrigin.y / em_size;
            lpgmf->gmfCellIncX = (float)gm.gmCellIncX / em_size;
            lpgmf->gmfCellIncY = (float)gm.gmCellIncY / em_size;

            TRACE("%fx%f at %f,%f inc %f,%f\n", lpgmf->gmfBlackBoxX, lpgmf->gmfBlackBoxY,
                  lpgmf->gmfptGlyphOrigin.x, lpgmf->gmfptGlyphOrigin.y, lpgmf->gmfCellIncX, lpgmf->gmfCellIncY); 
            lpgmf++;
        }

	ENTER_GL();
	glNewList(listBase++, GL_COMPILE);
        pgluTessBeginPolygon(tess, NULL);

        pph = (TTPOLYGONHEADER*)buf;
        while((BYTE*)pph < buf + needed)
        {
            TRACE("\tstart %d, %d\n", pph->pfxStart.x.value, pph->pfxStart.y.value);

            pgluTessBeginContour(tess);

            fixed_to_double(pph->pfxStart, em_size, vertices);
            pgluTessVertex(tess, vertices, vertices);
            vertices += 3;

            ppc = (TTPOLYCURVE*)((char*)pph + sizeof(*pph));
            while((char*)ppc < (char*)pph + pph->cb)
            {
                int i;

                switch(ppc->wType) {
                case TT_PRIM_LINE:
                    for(i = 0; i < ppc->cpfx; i++)
                    {
                        TRACE("\t\tline to %d, %d\n", ppc->apfx[i].x.value, ppc->apfx[i].y.value);
                        fixed_to_double(ppc->apfx[i], em_size, vertices); 
                        pgluTessVertex(tess, vertices, vertices);
                        vertices += 3;
                    }
                    break;

                case TT_PRIM_QSPLINE:
                    for(i = 0; i < ppc->cpfx/2; i++)
                    {
                        /* FIXME just connecting the control points for now */
                        TRACE("\t\tcurve  %d,%d %d,%d\n",
                              ppc->apfx[i * 2].x.value,     ppc->apfx[i * 3].y.value,
                              ppc->apfx[i * 2 + 1].x.value, ppc->apfx[i * 3 + 1].y.value);
                        fixed_to_double(ppc->apfx[i * 2], em_size, vertices); 
                        pgluTessVertex(tess, vertices, vertices);
                        vertices += 3;
                        fixed_to_double(ppc->apfx[i * 2 + 1], em_size, vertices); 
                        pgluTessVertex(tess, vertices, vertices);
                        vertices += 3;
                    }
                    break;
                default:
                    ERR("\t\tcurve type = %d\n", ppc->wType);
                    pgluTessEndContour(tess);
                    goto error_in_list;
                }

                ppc = (TTPOLYCURVE*)((char*)ppc + sizeof(*ppc) +
                                     (ppc->cpfx - 1) * sizeof(POINTFX));
            }
            pgluTessEndContour(tess);
            pph = (TTPOLYGONHEADER*)((char*)pph + pph->cb);
        }

error_in_list:
        pgluTessEndPolygon(tess);
        glTranslated((GLdouble)gm.gmCellIncX / em_size, (GLdouble)gm.gmCellIncY / em_size, 0.0);
        glEndList();
        LEAVE_GL();
        HeapFree(GetProcessHeap(), 0, buf);
        HeapFree(GetProcessHeap(), 0, vertices);
    }

 error:
    DeleteObject(SelectObject(hdc, old_font));
    pgluDeleteTess(tess);
    return TRUE;

}