Exemplo n.º 1
0
    /// <summary>
    /// Creates a bitmap from a given string
    /// </summary>
    /// <param name="t">The <see cref="Text_"/> object to create an image from</param>
    /// <returns>A <see cref="BitmapCi"/> containing the rendered text</returns>
    internal BitmapCi CreateTextTexture(Text_ t)
    {
        IntRef partsCount = new IntRef();

        TextPart[] parts = DecodeColors(t.text, t.color, partsCount);

        float totalwidth  = 0;
        float totalheight = 0;

        int[] sizesX = new int[partsCount.value];
        int[] sizesY = new int[partsCount.value];

        for (int i = 0; i < partsCount.value; i++)
        {
            IntRef outWidth  = new IntRef();
            IntRef outHeight = new IntRef();
            platform.TextSize(parts[i].text, t.font, outWidth, outHeight);

            sizesX[i] = outWidth.value;
            sizesY[i] = outHeight.value;

            totalwidth += outWidth.value;
            totalheight = MathCi.MaxFloat(totalheight, outHeight.value);
        }

        int      size2X = NextPowerOfTwo(platform.FloatToInt(totalwidth) + 1);
        int      size2Y = NextPowerOfTwo(platform.FloatToInt(totalheight) + 1);
        BitmapCi bmp2   = platform.BitmapCreate(size2X, size2Y);

        int[] bmp2Pixels = new int[size2X * size2Y];

        float currentwidth = 0;

        for (int i = 0; i < partsCount.value; i++)
        {
            int sizeiX = sizesX[i];
            int sizeiY = sizesY[i];
            if (sizeiX == 0 || sizeiY == 0)
            {
                continue;
            }

            Text_ partText = new Text_();
            partText.text  = parts[i].text;
            partText.color = parts[i].color;
            partText.font  = t.font;

            BitmapCi partBmp       = platform.CreateTextTexture(partText);
            int      partWidth     = platform.FloatToInt(platform.BitmapGetWidth(partBmp));
            int      partHeight    = platform.FloatToInt(platform.BitmapGetHeight(partBmp));
            int[]    partBmpPixels = new int[partWidth * partHeight];
            platform.BitmapGetPixelsArgb(partBmp, partBmpPixels);
            for (int x = 0; x < partWidth; x++)
            {
                for (int y = 0; y < partHeight; y++)
                {
                    if (x + currentwidth >= size2X)
                    {
                        continue;
                    }
                    if (y >= size2Y)
                    {
                        continue;
                    }
                    int c = partBmpPixels[MapUtilCi.Index2d(x, y, partWidth)];
                    if (Game.ColorA(c) > 0)
                    {
                        bmp2Pixels[MapUtilCi.Index2d(platform.FloatToInt(currentwidth) + x, y, size2X)] = c;
                    }
                }
            }
            currentwidth += sizeiX;
        }
        platform.BitmapSetPixelsArgb(bmp2, bmp2Pixels);
        return(bmp2);
    }