public sprite_params setup(Bitmap _bmp, bool _apply_palette, int _palette_slot)
{
sprite_params spr_params = new sprite_params(this);
spr_params.m_CHR_data = this;
int img_width = _bmp.Width;
int img_height = _bmp.Height;
List <byte[]> lines_arr = new List <byte[]>(img_height);
int i;
int j;
int min_x = 0;
int max_x = img_width - 1;
int min_y = 0;
int max_y = img_height - 1;
byte index_byte;
byte[] pixels_line = null;
Color[] plte = _bmp.Palette.Entries;
#if DEF_NES
int index_clamp_val = 3;
int clrs_cnt = utils.CONST_PALETTE_SMALL_NUM_COLORS;
#elif DEF_SMS || DEF_PCE
int index_clamp_val = 15;
int clrs_cnt = Math.Min(utils.CONST_PALETTE_SMALL_NUM_COLORS * utils.CONST_NUM_SMALL_PALETTES, plte.Length);
#endif
// detect valid borders of an image
{
BitmapData bmp_data = _bmp.LockBits(new Rectangle(0, 0, img_width, img_height), ImageLockMode.ReadOnly, _bmp.PixelFormat);
if (bmp_data != null)
{
if (_apply_palette) // && plte.Length <= 16 ) <-- there are 256 colors palette on Linux here... why?!..
{
// find nearest colors
#if DEF_NES
for (i = 0; i < clrs_cnt; i++)
{
palette_group.Instance.get_palettes_arr()[0].get_color_inds()[i] = utils.find_nearest_color_ind(plte[i % 4].ToArgb());
}
palette_group.Instance.get_palettes_arr()[0].update();
palette_group.Instance.active_palette = 0;
#elif DEF_SMS
for (i = 0; i < clrs_cnt; i++)
{
palette_group.Instance.get_palettes_arr()[i / utils.CONST_NUM_SMALL_PALETTES].get_color_inds()[i % utils.CONST_NUM_SMALL_PALETTES] = utils.find_nearest_color_ind(plte[i % 16].ToArgb());
}
for (i = 0; i < utils.CONST_NUM_SMALL_PALETTES; i++)
{
palette_group.Instance.get_palettes_arr()[i].update();
}
#elif DEF_FIXED_LEN_PALETTE16_ARR
palettes_array plt_arr = palettes_array.Instance;
plt_arr.palette_index = _palette_slot;
for (i = 0; i < clrs_cnt; i++)
{
plt_arr.update_color(_palette_slot, i, utils.find_nearest_color_ind(plte[i % 16].ToArgb()));
}
plt_arr.update_palette();
#endif
}
// fill the lines_arr
// (indexed BMP has no transparency in fact)
{
IntPtr data_ptr = bmp_data.Scan0;
for (i = 0; i < img_height; i++)
{
pixels_line = new byte[img_width];
for (j = 0; j < img_width; j++)
{
if (_bmp.PixelFormat == System.Drawing.Imaging.PixelFormat.Format8bppIndexed)
{
index_byte = Marshal.ReadByte(data_ptr, j + (i * bmp_data.Stride));
pixels_line[j] = ( byte )(index_byte & index_clamp_val);
}
else
{
index_byte = Marshal.ReadByte(data_ptr, (j >> 1) + (i * bmp_data.Stride));
pixels_line[j] = ( byte )((((j & 0x01) == 0x01) ? (index_byte & 0x0f):((index_byte & 0xf0) >> 4)) & index_clamp_val);
}
}
lines_arr.Add(pixels_line);
}
}
_bmp.UnlockBits(bmp_data);
}
}
return(cut_CHRs(spr_params, min_x, max_x, min_y, max_y, lines_arr, false, -1, -1, false, _palette_slot));
}
public sprite_params setup(PngReader _png_reader, bool _apply_palette, bool _crop_image, int _palette_slot)
{
sprite_params spr_params = new sprite_params(this);
if (_png_reader == null)
{
return(spr_params);
}
int img_width = _png_reader.ImgInfo.Cols;
int img_height = _png_reader.ImgInfo.Rows;
List <byte[]> lines_arr = new List <byte[]>(img_height);
int i;
int j;
int min_x = 0;
int max_x = img_width - 1;
int min_y = 0;
int max_y = img_height - 1;
byte[] pixels_line = null;
PngChunkPLTE plte = _png_reader.GetMetadata().GetPLTE();
PngChunkTRNS trns = _png_reader.GetMetadata().GetTRNS();
ImageLine line = null;
int alpha_ind = -1;
int num_colors = plte.GetNentries();
// detect useful image borders
{
if (trns != null)
{
int size;
alpha_ind = trns.GetPalletteAlpha().Length - 1;
if (_crop_image)
{
min_x = img_width + 1;
max_x = -1;
min_y = img_height + 1;
max_y = -1;
}
bool transp_line = false;
for (i = 0; i < img_height; i++)
{
line = _png_reader.ReadRowByte(i);
if (line.ImgInfo.Packed)
{
line = line.unpackToNewImageLine();
}
pixels_line = new byte[img_width];
Array.Copy(line.GetScanlineByte(), pixels_line, img_width);
lines_arr.Add(pixels_line);
size = pixels_line.Length;
transp_line = true;
for (j = 0; j < size; j++)
{
// if pixel is not transparent
if (_crop_image && (pixels_line[j] != alpha_ind))
{
if (min_x > j)
{
min_x = j;
}
if (max_x < j)
{
max_x = j;
}
transp_line = false;
}
}
// if line is not transparent
if (_crop_image && !transp_line)
{
if (min_y > i)
{
min_y = i;
}
if (max_y < i)
{
max_y = i;
}
}
}
}
// find nearest colors
if (_apply_palette)
{
#if DEF_FIXED_LEN_PALETTE16_ARR
palettes_array plt_arr = palettes_array.Instance;
plt_arr.palette_index = _palette_slot;
#endif
for (i = 0; i < num_colors; i++)
{
#if DEF_FIXED_LEN_PALETTE16_ARR
plt_arr.update_color(_palette_slot, i, utils.find_nearest_color_ind(plte.GetEntry((trns != null) ? (i + alpha_ind) % num_colors:i)));
#else
palette_group.Instance.get_palettes_arr()[i / utils.CONST_NUM_SMALL_PALETTES].get_color_inds()[i % utils.CONST_NUM_SMALL_PALETTES] = utils.find_nearest_color_ind(plte.GetEntry((trns != null) ? (i + alpha_ind) % num_colors:i));
#endif
}
#if DEF_FIXED_LEN_PALETTE16_ARR
plt_arr.update_palette();
#else
for (i = 0; i < utils.CONST_NUM_SMALL_PALETTES; i++)
{
palette_group.Instance.get_palettes_arr()[i].update();
}
#endif
#if DEF_NES
palette_group.Instance.active_palette = 0;
#endif
}
// fill the lines_arr if sprite has no transparency
if (lines_arr.Count == 0)
{
for (i = 0; i < img_height; i++)
{
line = _png_reader.ReadRowByte(i);
if (line.ImgInfo.Packed)
{
line = line.unpackToNewImageLine();
}
pixels_line = new byte[img_width];
Array.Copy(line.GetScanlineByte(), pixels_line, img_width);
lines_arr.Add(pixels_line);
}
}
}
return(cut_CHRs(spr_params, min_x, max_x, min_y, max_y, lines_arr, (trns != null), alpha_ind, num_colors, _crop_image, _palette_slot));
}
void BtnOkClick_Event(object sender, EventArgs e)
{
if (m_color_A >= 0 && m_color_B >= 0)
{
uint chr_key;
CHR_data chr_data;
#if DEF_FIXED_LEN_PALETTE16_ARR
palettes_array plts_arr = palettes_array.Instance;
#endif
SortedSet <uint> used_CHR_data = new SortedSet <uint>();
foreach (sprite_data spr in m_sprites_arr)
{
foreach (CHR_data_attr attr in spr.get_CHR_attr())
{
#if DEF_FIXED_LEN_PALETTE16_ARR
if (attr.palette_ind == plts_arr.palette_index)
{
#endif
chr_key = ( uint )(((spr.get_CHR_data().id & 0x0000ffff) << 16) | (attr.CHR_ind & 0x0000ffff));
if (!used_CHR_data.Contains(chr_key))
{
chr_data = spr.get_CHR_data().get_data()[attr.CHR_ind];
for (int pix_n = 0; pix_n < utils.CONST_CHR_TOTAL_PIXELS_CNT; pix_n++)
{
if (chr_data.get_data()[pix_n] == m_color_A)
{
chr_data.get_data()[pix_n] = ( byte )m_color_B;
}
else
if (chr_data.get_data()[pix_n] == m_color_B)
{
chr_data.get_data()[pix_n] = ( byte )m_color_A;
}
}
used_CHR_data.Add(chr_key);
}
#if DEF_FIXED_LEN_PALETTE16_ARR
}
#endif
}
}
#if DEF_FIXED_LEN_PALETTE16_ARR
plts_arr.swap_colors(m_color_A, m_color_B);
plts_arr.update_palette();
#else
palette_group plt_grp = palette_group.Instance;
palette_small[] sm_plts_arr = plt_grp.get_palettes_arr();
int ind_A = sm_plts_arr[m_color_A >> 2].get_color_inds()[m_color_A & 0x03];
int ind_B = sm_plts_arr[m_color_B >> 2].get_color_inds()[m_color_B & 0x03];
sm_plts_arr[m_color_A >> 2].get_color_inds()[m_color_A & 0x03] = ind_B;
sm_plts_arr[m_color_B >> 2].get_color_inds()[m_color_B & 0x03] = ind_A;
for (int j = 0; j < utils.CONST_NUM_SMALL_PALETTES; j++)
{
sm_plts_arr[j].update();
}
#endif
}
else
{
MainForm.message_box("Please, select both Color A and Color B!", "Colors Swapping Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}