Ejemplo n.º 1
0
        protected override void Draw()
        {
            //VG.vgSetfv(VGParamType.VG_CLEAR_COLOR, 4, new[] { 0.0f, 1.0f, 0.0f, 0.5f });
            //VG.vgClear(0, 0, Width, Height);
            //VG.vgFinish();

            VG.vgSeti(VGParamType.VG_MATRIX_MODE, (int)VGMatrixMode.VG_MATRIX_PATH_USER_TO_SURFACE);
            VG.vgLoadIdentity();

            #region draw text

            if (Text == null)
            {
                return;
            }

            VG.vgSetParameteri(mPaint, (int)VGPaintParamType.VG_PAINT_TYPE, (int)VGPaintType.VG_PAINT_TYPE_COLOR);
            VG.vgSetParameterfv(mPaint, (int)VGPaintParamType.VG_PAINT_COLOR, 4, FontColor.Value);
            VG.vgSetPaint(mPaint, VGPaintMode.VG_FILL_PATH);

            float[] glyphOrigin = { 0.0f, 0.0f };

            // set glyph matrices
            VG.vgSetfv(VGParamType.VG_GLYPH_ORIGIN, 2, glyphOrigin);
            VG.vgSeti(VGParamType.VG_MATRIX_MODE, (int)VGMatrixMode.VG_MATRIX_GLYPH_USER_TO_SURFACE);
            VG.vgLoadIdentity();

            var widthText = (TextWidth > Width) ? Width : TextWidth;
            switch (TextAlign)
            {
            case Align.Left:
                VG.vgTranslate(TextOffset.X, TextOffset.Y);
                break;

            case Align.Center:
                VG.vgTranslate((Width - widthText + TextOffset.X) / 2f, TextOffset.Y);
                break;

            case Align.Right:
                VG.vgTranslate((Width - widthText - TextOffset.X), TextOffset.Y);
                break;
            }

            VG.vgTranslate(RotateCenter.X, RotateCenter.Y);
            VG.vgRotate(mRotate);
            VG.vgTranslate(-RotateCenter.X, -RotateCenter.Y);

            VG.vgScale(FontSize, FontSize);

            mFontRender.RenderText(Text);
            VG.vgFinish();

            #endregion
        }