/*
core.c
The tool with multiple enhancements and manipulations of pictures
-15.11.2022
+28.11.2022
Copyright (C) 2014, 2015, 2022 Balthasar Szczepański
uint_fast16_t n_pictures = 0;
struct Picture * picture;
-char INIT_FAILED[] = "Failae to set up library.\n";
-char LOAD_FAILED[] = "Failed to load picture.\n";
-char SAVE_FAILED[] = "Failed to save picture.\n";
-char CREATE_FAILED[] = "Failed to create picture(s).\n";
-char CONVERT_FAILED[]= "Failed to convert picture.\n";
-char SIZE_MISMATCH[] = "Pictures have different sizes.\n";
+char INIT_FAILED[] = "Failed to set up library.\n";
+char LOAD_FAILED[] = "Failed to load picture.\n";
+char SAVE_FAILED[] = "Failed to save picture.\n";
+char CREATE_FAILED[] = "Failed to create picture(s).\n";
+char CONVERT_FAILED[] = "Failed to convert picture.\n";
+char SIZE_MISMATCH[] = "Pictures have different sizes.\n";
+char MULTIPLE_FORBIDDEN[] = "Picture is not allowed to have multiple frames.\n";
+char INDEXED_REQUIRED[] = "Picture must be indexed.\n";
+char PALETTE_ONLY_REQUIRED[]= "Palette-only operation must be allowed.\n";
+char BAD_PALETTE_SIZE[] = "Palette has wrong number of colours.\n";
char NO_STR[] = "";
int init (void)
return -1;
}
+int get_data (uint_fast16_t id, void **data, ILuint frame)
+{
+ if (id >= n_pictures)
+ return EINVAL;
+ if (!(picture[id].open))
+ return EIO;
+ ilBindImage(picture[id].handle);
+ if (frame > ilGetInteger(IL_NUM_IMAGES))
+ return EINVAL;
+ ilActiveImage(frame);
+ *data = ilGetData();
+ return 0;
+}
+
+int get_palette (uint_fast16_t id, void **palette, ILuint frame)
+{
+ if (id >= n_pictures)
+ return EINVAL;
+ if (!(picture[id].open))
+ return EIO;
+ ilBindImage(picture[id].handle);
+ if (frame > ilGetInteger(IL_NUM_IMAGES))
+ return EINVAL;
+ ilActiveImage(frame);
+ if (ilGetInteger(IL_IMAGE_FORMAT) != IL_COLOUR_INDEX)
+ return EINVAL;
+ *palette = ilGetPalette();
+ return 0;
+}
+
void create_picture (uint_fast16_t id)
{
if (id<n_pictures)
{
if (ilGetInteger(IL_NUM_IMAGES) > 0)
{
- fputs("Picture is not allowed to have multiple frames.\n", stderr);
+ fputs(MULTIPLE_FORBIDDEN, stderr);
return EINVAL;
}
}
{
if (*flags & MUST_BE_INDEXED)
{
- fputs("Picture must be indexed.\n", stderr);
+ fputs(INDEXED_REQUIRED, stderr);
return EINVAL;
}
int build_picture_from_info (uint_fast16_t id, struct IL_full_info *reference_info, struct IL_full_info *info, FLAG_TYPE *flags)
{
ILint i;
- int r;
if (id >= n_pictures)
return EINVAL;
&flags,
data
);
-
-
- // ILint actual_frames;
- // struct PixelInfo p;
- // int r = 0;
-
- // p.flags = flags & ~(IS_MULTIPLE);
-
- // if (id >= n_pictures)
- // return EINVAL;
-
- // if (!(picture[id].open))
- // return EINVAL;
-
- // ilBindImage(picture[id].handle);
- // get_info(id, &(p.info), 0);
-
- // if (p.info.num_images > 0)
- // p.flags |= IS_MULTIPLE;
- // actual_frames = (p.flags & CAN_BE_MULTIPLE) ? (p.info.num_images+1) : 1;
-
- // if (!(flags & IN_WINDOW))
- // {
- // f0 = 0;
- // frames = actual_frames;
- // }
-
- // for (
- // p.f_window = 0, p.f_pict = f0;
- // (p.f_window < frames) && (r == 0);
- // ++(p.f_window), ++(p.f_pict)
- // ){
- // if ((p.f_pict >= 0) && (p.f_pict <= p.info.num_images))
- // {
- // ilBindImage(picture[id].handle);
- // ilActiveImage(p.f_pict);
- // p.data = ilGetData();
- // p.flags &= ~(IS_GRAY|IS_INDEXED|IS_OVER_8BIT|IS_PALETTE_ONLY);
-
- // p.alpha_offset = 0;
- // p.value_offset = 0;
- // p.index_offset = 0;
- // p.red_offset = 0;
- // p.green_offset = 0;
- // p.blue_offset = 0;
-
- // switch (p.info.image_format)
- // {
- // case IL_COLOUR_INDEX:
- // p.flags |= IS_INDEXED;
- // p.palette = ilGetPalette();
- // switch (p.info.palette_type)
- // {
- // case IL_PAL_BGR32:
- // case IL_PAL_RGB32:
- // p.flags |= IS_OVER_8BIT;
- // break;
- // case IL_PAL_BGRA32:
- // p.flags |= HAS_ALPHA;
- // p.alpha_offset = 3;
- // case IL_PAL_BGR24:
- // p.red_offset = 2;
- // p.green_offset = 1;
- // p.blue_offset = 0;
- // break;
- // case IL_PAL_RGBA32:
- // p.flags |= HAS_ALPHA;
- // p.alpha_offset = 3;
- // case IL_PAL_RGB24:
- // default:
- // p.red_offset = 0;
- // p.green_offset = 1;
- // p.blue_offset = 2;
- // break;
- // }
- // break;
- // case IL_LUMINANCE_ALPHA:
- // p.flags |= HAS_ALPHA;
- // p.alpha_offset = 1 * p.info.image_bpc;
- // case IL_LUMINANCE:
- // p.flags |= IS_GRAY;
- // p.value_offset = 0 * p.info.image_bpc;
- // break;
- // case IL_BGRA:
- // p.flags |= HAS_ALPHA;
- // p.alpha_offset = 3 * p.info.image_bpc;
- // case IL_BGR:
- // p.red_offset = 2 * p.info.image_bpc;
- // p.green_offset = 1 * p.info.image_bpc;
- // p.blue_offset = 0 * p.info.image_bpc;
- // break;
- // case IL_RGBA:
- // p.flags |= HAS_ALPHA;
- // p.alpha_offset = 3 * p.info.image_bpc;
- // case IL_RGB:
- // default:
- // p.red_offset = 0 * p.info.image_bpc;
- // p.green_offset = 1 * p.info.image_bpc;
- // p.blue_offset = 2 * p.info.image_bpc;
- // break;
- // }
- // if (p.info.image_bpc > 1)
- // p.flags |= IS_OVER_8BIT;
-
- // if ((p.flags & IS_INDEXED) && (p.flags & OK_PALETTE_ONLY))
- // {
- // p.flags |= IS_PALETTE_ONLY;
- // for (
- // p.index = 0, p.pal_offset=0;
- // (p.index < p.info.palette_num_cols) && (r == 0);
- // ++p.index, p.pal_offset += p.info.palette_bpp
- // ){
- // if (!(p.flags & NOT_READABLE))
- // {
- // p.red = (ILuint)(*((ILubyte*)(p.palette + p.pal_offset + p.red_offset)));
- // p.green = (ILuint)(*((ILubyte*)(p.palette + p.pal_offset + p.green_offset)));
- // p.blue = (ILuint)(*((ILubyte*)(p.palette + p.pal_offset + p.blue_offset)));
- // if (p.flags & HAS_ALPHA)
- // {
- // if (p.flags & CANNOT_HAVE_ALPHA)
- // p.alpha = 0xFF;
- // else
- // p.alpha = (ILuint)(*((ILubyte*)(p.palette + p.pal_offset + p.alpha_offset)));
- // }
- // else if (p.flags & MUST_HAVE_ALPHA)
- // p.alpha = 0xFF;
- // if (p.flags & MUST_BE_GRAY)
- // p.value = (p.red + p.green + p.blue) / 3;
- // }
-
- // r = function(1, &p, data);
- // if (r)
- // break;
-
- // if (!(p.flags & NOT_READABLE))
- // {
- // if (p.flags & MUST_BE_GRAY)
- // {
- // p.red = p.value;
- // p.green = p.value;
- // p.blue = p.value;
- // }
- // if (p.flags & HAS_ALPHA)
- // {
- // if (p.flags & CANNOT_HAVE_ALPHA)
- // p.alpha = 0xFF;
- // *((ILubyte*)(p.palette + p.pal_offset + p.alpha_offset)) = (ILubyte)p.alpha;
- // }
- // *((ILubyte*)(p.palette + p.pal_offset + p.red_offset)) = (ILubyte)p.red;
- // *((ILubyte*)(p.palette + p.pal_offset + p.green_offset)) = (ILubyte)p.green;
- // *((ILubyte*)(p.palette + p.pal_offset + p.blue_offset)) = (ILubyte)p.blue;
- // }
- // }
- // }
- // else
- // {
- // p.line_bytes = p.info.image_bytes_per_pixel * p.info.image_width;
- // p.frame_bytes = p.line_bytes * p.info.image_height;
-
- // if (p.info.image_origin == IL_ORIGIN_LOWER_LEFT)
- // {
- // p.line_start = p.frame_bytes - p.line_bytes;
- // p.line_bytes = 0 - p.line_bytes;
- // }
- // else
- // p.line_start = 0;
-
- // if (!(flags & IN_WINDOW))
- // {
- // x0 = 0;
- // y0 = 0;
- // width = p.info.image_width;
- // height = p.info.image_height;
- // }
-
- // for (
- // p.y_window = 0, p.y_pict = y0, p.line_offset = p.line_start + (p.y_pict * p.line_bytes);
- // (p.y_window < height) && (r == 0);
- // ++p.y_window, ++p.y_pict, p.line_offset += p.line_bytes
- // ){
- // if ((p.y_pict >= 0) && (p.y_pict < p.info.image_height))
- // {
- // for (
- // p.x_window = 0, p.x_pict = x0, p.pixel_offset = p.line_offset + (p.x_pict * p.info.image_bytes_per_pixel);
- // (p.x_window < width) && (r == 0);
- // ++p.x_window, ++p.x_pict, p.pixel_offset += p.info.image_bytes_per_pixel
- // ){
- // if ((p.x_pict >=0) && (p.x_pict < p.info.image_width))
- // {
- // if (!(p.flags & NOT_READABLE))
- // {
- // /* can this be done better? think about it */
- // switch (p.info.image_type)
- // {
- // case IL_INT:
- // case IL_UNSIGNED_INT:
- // if(p.flags & IS_INDEXED)
- // p.index = *((ILuint*)(p.data + p.pixel_offset + p.index_offset));
- // else
- // {
- // if(p.flags & IS_GRAY)
- // p.value = *((ILuint*)(p.data + p.pixel_offset + p.value_offset));
- // else
- // {
- // p.red = *((ILuint*)(p.data + p.pixel_offset + p.red_offset));
- // p.green = *((ILuint*)(p.data + p.pixel_offset + p.green_offset));
- // p.blue = *((ILuint*)(p.data + p.pixel_offset + p.blue_offset));
- // }
- // if(p.flags & HAS_ALPHA)
- // p.alpha = *((ILuint*)(p.data + p.pixel_offset + p.alpha_offset));
- // }
- // break;
- // case IL_SHORT:
- // case IL_UNSIGNED_SHORT:
- // if(p.flags & IS_INDEXED)
- // p.index = (ILuint)(*((ILushort*)(p.data + p.pixel_offset + p.index_offset)));
- // else
- // {
- // if(p.flags & IS_GRAY)
- // p.value = (ILuint)(*((ILushort*)(p.data + p.pixel_offset + p.value_offset)));
- // else
- // {
- // p.red = (ILuint)(*((ILushort*)(p.data + p.pixel_offset + p.red_offset)));
- // p.green = (ILuint)(*((ILushort*)(p.data + p.pixel_offset + p.green_offset)));
- // p.blue = (ILuint)(*((ILushort*)(p.data + p.pixel_offset + p.blue_offset)));
- // }
- // if(p.flags & HAS_ALPHA)
- // p.alpha = (ILuint)(*((ILushort*)(p.data + p.pixel_offset + p.alpha_offset)));
- // }
- // break;
- // case IL_BYTE:
- // case IL_UNSIGNED_BYTE:
- // if(p.flags & IS_INDEXED)
- // p.index = (ILuint)(*((ILubyte*)(p.data + p.pixel_offset + p.index_offset)));
- // else
- // {
- // if(p.flags & IS_GRAY)
- // p.value = (ILuint)(*((ILubyte*)(p.data + p.pixel_offset + p.value_offset)));
- // else
- // {
- // p.red = (ILuint)(*((ILubyte*)(p.data + p.pixel_offset + p.red_offset)));
- // p.green = (ILuint)(*((ILubyte*)(p.data + p.pixel_offset + p.green_offset)));
- // p.blue = (ILuint)(*((ILubyte*)(p.data + p.pixel_offset + p.blue_offset)));
- // }
- // if(p.flags & HAS_ALPHA)
- // p.alpha = (ILuint)(*((ILubyte*)(p.data + p.pixel_offset + p.alpha_offset)));
- // }
- // break;
- // default:
- // break;
- // }
-
- // if ((p.flags & IS_INDEXED) && (p.flags & CANNOT_BE_INDEXED))
- // {
- // if (p.index < p.info.palette_num_cols)
- // {
- // p.pal_offset = p.index * p.info.palette_bpp;
- // p.red = (ILuint)(*((ILubyte*)(p.palette + p.pal_offset + p.red_offset)));
- // p.green = (ILuint)(*((ILubyte*)(p.palette + p.pal_offset + p.green_offset)));
- // p.blue = (ILuint)(*((ILubyte*)(p.palette + p.pal_offset + p.blue_offset)));
- // if (p.flags & HAS_ALPHA)
- // p.alpha = (ILuint)(*((ILubyte*)(p.palette + p.pal_offset + p.alpha_offset)));
- // }
- // }
-
- // if ((p.flags & IS_GRAY) && (p.flags & CANNOT_BE_GRAY))
- // {
- // p.red = p.value;
- // p.green = p.value;
- // p.blue = p.value;
- // }
- // else if (!(p.flags & IS_GRAY) && (p.flags & MUST_BE_GRAY))
- // p.value = (p.red + p.green + p.blue) / 3;
-
- // if (((!(p.flags & HAS_ALPHA)) && (p.flags & MUST_HAVE_ALPHA)) || ((p.flags & HAS_ALPHA) && (p.flags & CANNOT_HAVE_ALPHA)))
- // {
- // switch (p.info.image_type)
- // {
- // case IL_INT:
- // case IL_UNSIGNED_INT:
- // p.alpha = 0xFFFFFFFF;
- // break;
- // case IL_SHORT:
- // case IL_UNSIGNED_SHORT:
- // p.alpha = 0xFFFF;
- // break;
- // case IL_BYTE:
- // case IL_UNSIGNED_BYTE:
- // p.alpha = 0xFF;
- // break;
- // default:
- // break;
- // }
- // }
- // }
-
- // r = function(1, &p, data);
- // if (r)
- // break;
-
- // if (!(p.flags & NOT_WRITABLE))
- // {
- // if ((p.flags & HAS_ALPHA) && (p.flags & CANNOT_HAVE_ALPHA))
- // p.alpha = 0xFFFFFFFF;
-
- // else if (!(p.flags & IS_GRAY) && (p.flags & MUST_BE_GRAY))
- // {
- // p.red = p.value;
- // p.green = p.value;
- // p.blue = p.value;
- // }
- // else if ((p.flags & IS_GRAY) && (p.flags & CANNOT_BE_GRAY))
- // p.value = (p.red + p.green + p.blue) / 3;
-
- // switch (p.info.image_type)
- // {
- // case IL_INT:
- // case IL_UNSIGNED_INT:
- // if(p.flags & IS_INDEXED)
- // *((ILuint*)(p.data + p.pixel_offset + p.index_offset)) = p.index;
- // else
- // {
- // if(p.flags & IS_GRAY)
- // *((ILuint*)(p.data + p.pixel_offset + p.value_offset)) = p.value;
- // else
- // {
- // *((ILuint*)(p.data + p.pixel_offset + p.red_offset)) = p.red;
- // *((ILuint*)(p.data + p.pixel_offset + p.green_offset)) = p.green;
- // *((ILuint*)(p.data + p.pixel_offset + p.blue_offset)) = p.blue;
- // }
- // if(p.flags & HAS_ALPHA)
- // *((ILuint*)(p.data + p.pixel_offset + p.alpha_offset)) = (ILubyte)p.alpha;
- // }
- // break;
- // case IL_SHORT:
- // case IL_UNSIGNED_SHORT:
- // if(p.flags & IS_INDEXED)
- // *((ILushort*)(p.data + p.pixel_offset + p.index_offset)) = (ILushort)p.index;
- // else
- // {
- // if(p.flags & IS_GRAY)
- // *((ILushort*)(p.data + p.pixel_offset + p.value_offset)) = (ILushort)p.value;
- // else
- // {
- // *((ILushort*)(p.data + p.pixel_offset + p.red_offset)) = (ILushort)p.red;
- // *((ILushort*)(p.data + p.pixel_offset + p.green_offset)) = (ILushort)p.green;
- // *((ILushort*)(p.data + p.pixel_offset + p.blue_offset)) = (ILushort)p.blue;
- // }
- // if(p.flags & HAS_ALPHA)
- // *((ILushort*)(p.data + p.pixel_offset + p.alpha_offset)) = (ILushort)p.alpha;
- // }
- // break;
- // case IL_BYTE:
- // case IL_UNSIGNED_BYTE:
- // if(p.flags & IS_INDEXED)
- // *((ILubyte*)(p.data + p.pixel_offset + p.index_offset)) = (ILubyte)p.index;
- // else
- // {
- // if(p.flags & IS_GRAY)
- // *((ILubyte*)(p.data + p.pixel_offset + p.value_offset)) = (ILubyte)p.value;
- // else
- // {
- // *((ILubyte*)(p.data + p.pixel_offset + p.red_offset)) = (ILubyte)p.red;
- // *((ILubyte*)(p.data + p.pixel_offset + p.green_offset)) = (ILubyte)p.green;
- // *((ILubyte*)(p.data + p.pixel_offset + p.blue_offset)) = (ILubyte)p.blue;
- // }
- // if(p.flags & HAS_ALPHA)
- // *((ILubyte*)(p.data + p.pixel_offset + p.alpha_offset)) = (ILubyte)p.alpha;
- // }
- // break;
- // default:
- // break;
- // }
- // }
- // }
- // }
- // }
- // }
- // }
- // }
- // }
-
- // return r;
}
int perform_action (
for (i=0; i<n; ++i)
{
+ p[i].id = id[i];
+ p[i].handle = get_handle(p[i].id);
p[i].flags = flags[i] & ~(IS_MULTIPLE);
- if (id[i] >= n_pictures)
+ if (p[i].id >= n_pictures)
{
free(p);
return EINVAL;
}
- if (!(picture[id[i]].open))
+ if (!(picture[p[i].id].open))
{
free(p);
return EINVAL;
}
- get_info(id[i], &(p[i].info), 0);
+ r = get_info(p[i].id, &(p[i].info), 0);
+ if (r!=0)
+ return r;
+ p[i].frames = p[i].info.num_images + 1;
- if (p[i].info.num_images > 0)
+ if (p[i].frames > 0)
p[i].flags |= IS_MULTIPLE;
if (p[i].flags & CAN_BE_MULTIPLE)
{
- if (p[i].info.num_images+1 < actual_frames)
- actual_frames = p[i].info.num_images+1;
+ if (p[i].frames < actual_frames)
+ actual_frames = p[i].frames;
}
else
actual_frames = 1;
{
p[i].f_window = f;
p[i].f_pict = p[i].f0 + f;
- if ((p[i].f_pict < 0) || (p[i].f_pict > p[i].info.num_images))
+ if ((p[i].f_pict < 0) || (p[i].f_pict >= p[i].frames))
{
skip_frame = 1;
break;
}
- ilBindImage(picture[id[i]].handle);
- ilActiveImage(p[i].f_pict);
- p[i].data = ilGetData();
+ r = get_info(p[i].id, &(p[i].info), p[i].f_pict);
+ if (r!=0)
+ break;
+
+ r = get_data(p[i].id, &(p[i].data), p[i].f_pict);
+ if (r!=0)
+ break;
+
p[i].flags &= ~(IS_GRAY|IS_INDEXED|IS_OVER_8BIT|IS_PALETTE_ONLY);
if (palette_only)
p[i].flags |= IS_PALETTE_ONLY;
{
case IL_COLOUR_INDEX:
p[i].flags |= IS_INDEXED;
- p[i].palette = ilGetPalette();
+ r = get_palette(p[i].id, &(p[i].palette), p[i].f_pict);
+ if (r!=0)
+ break;
switch (p[i].info.palette_type)
{
case IL_PAL_BGR32:
}
+int perform_action_palette_mix (
+ uint_fast16_t *id,
+ ILint *f0,
+ ILint frames,
+ ACTION_F *function,
+ FLAG_TYPE *flags,
+ void *data
+)
+{
+ uint_fast16_t i;
+ int r = 0;
+ struct PixelInfo p[3];
+ ILuint n_colors;
+ ILint actual_frames = 0x7FFFFFFF;
+ ILint f;
+ uint_fast8_t skip_frame;
+ ILuint j, k;
+
+
+ for (i=0; i<3; ++i)
+ {
+ p[i].id = id[i];
+ p[i].handle = get_handle(p[i].id);
+ p[i].flags = flags[i];
+ r = get_info(p[i].id, &(p[i].info), 0);
+ if (r!=0)
+ return r;
+ get_flags(&(p[i].info), &(p[i].flags));
+
+ if (!(p[i].flags & IS_INDEXED))
+ {
+ fputs(INDEXED_REQUIRED, stderr);
+ return EINVAL;
+ }
+ if (!(p[i].flags & OK_PALETTE_ONLY))
+ {
+ fputs(PALETTE_ONLY_REQUIRED, stderr);
+ return EINVAL;
+ }
+ if (p[i].flags & CAN_BE_MULTIPLE)
+ {
+ if (p[i].info.num_images+1 < actual_frames)
+ actual_frames = p[i].info.num_images+1;
+ }
+ else
+ actual_frames = 1;
+
+ if (*flags & IN_WINDOW) /* check first flags only! */
+ p[i].f0 = f0[i];
+ else
+ p[i].f0 = f0[i];
+ }
+
+ n_colors = p[0].info.palette_num_cols * p[1].info.palette_num_cols;
+ if (p[2].info.palette_num_cols < n_colors)
+ {
+ fputs(BAD_PALETTE_SIZE, stderr);
+ return EINVAL;
+ }
+
+ if (!(*flags & IN_WINDOW)) /* check first flags only! */
+ frames = actual_frames;
+
+ for (f = 0; (f < frames) && (r == 0); ++f)
+ {
+ skip_frame = 0;
+ for (i=0; i<3; ++i)
+ {
+ p[i].f_window = f;
+ p[i].f_pict = p[i].f0 + f;
+ if ((p[i].f_pict < 0) || (p[i].f_pict > p[i].info.num_images))
+ {
+ skip_frame = 1;
+ break;
+ }
+
+ r = get_info(p[i].id, &(p[i].info), p[i].f_pict);
+ if (r!=0)
+ return r;
+
+ get_flags(&(p[i].info), &(p[i].flags));
+ p[i].flags |= IS_PALETTE_ONLY;
+
+ r = get_data(p[i].id, &(p[i].data), p[i].f_pict);
+ if (r!=0)
+ return r;
+
+ r = get_palette(p[i].id, &(p[i].palette), p[i].f_pict);
+ if (r!=0)
+ return r;
+
+ if (!(p[i].flags & IS_INDEXED))
+ {
+ fputs(INDEXED_REQUIRED, stderr);
+ return EINVAL;
+ }
+
+ p[i].alpha_offset = 0;
+ p[i].value_offset = 0;
+ p[i].index_offset = 0;
+ p[i].red_offset = 0;
+ p[i].green_offset = 0;
+ p[i].blue_offset = 0;
+
+ switch (p[i].info.palette_type)
+ {
+ case IL_PAL_BGR32:
+ case IL_PAL_RGB32:
+ p[i].flags |= IS_OVER_8BIT;
+ break;
+ case IL_PAL_BGRA32:
+ p[i].flags |= HAS_ALPHA;
+ p[i].alpha_offset = 3;
+ case IL_PAL_BGR24:
+ p[i].red_offset = 2;
+ p[i].green_offset = 1;
+ p[i].blue_offset = 0;
+ break;
+ case IL_PAL_RGBA32:
+ p[i].flags |= HAS_ALPHA;
+ p[i].alpha_offset = 3;
+ case IL_PAL_RGB24:
+ default:
+ p[i].red_offset = 0;
+ p[i].green_offset = 1;
+ p[i].blue_offset = 2;
+ break;
+ }
+ }
+ if (!skip_frame)
+ {
+ p[0].index = 0;
+ p[0].pal_offset = 0;
+ p[2].index = 0;
+ p[2].pal_offset = 0;
+ for (j=0; j<p[0].info.palette_num_cols; ++j)
+ {
+ p[1].index = 0;
+ p[1].pal_offset = 0;
+ for (k=0; k<p[1].info.palette_num_cols; ++k)
+ {
+ for (i=0; i<3; ++i)
+ {
+ if (!(p[i].flags & NOT_READABLE))
+ {
+ p[i].red = (ILuint)(*((ILubyte*)(p[i].palette + p[i].pal_offset + p[i].red_offset)));
+ p[i].green = (ILuint)(*((ILubyte*)(p[i].palette + p[i].pal_offset + p[i].green_offset)));
+ p[i].blue = (ILuint)(*((ILubyte*)(p[i].palette + p[i].pal_offset + p[i].blue_offset)));
+ if (p[i].flags & HAS_ALPHA)
+ {
+ if (p[i].flags & CANNOT_HAVE_ALPHA)
+ p[i].alpha = 0xFF;
+ else
+ p[i].alpha = (ILuint)(*((ILubyte*)(p[i].palette + p[i].pal_offset + p[i].alpha_offset)));
+ }
+ else if (p[i].flags & MUST_HAVE_ALPHA)
+ p[i].alpha = 0xFF;
+ if (p[i].flags & MUST_BE_GRAY)
+ p[i].value = (p[i].red + p[i].green + p[i].blue) / 3;
+ }
+ }
+
+ r = function(3, p, data);
+ if (r)
+ break;
+
+ for (i=0; i<3; ++i)
+ {
+ if (!(p[i].flags & NOT_WRITABLE))
+ {
+ if (p[i].flags & MUST_BE_GRAY)
+ {
+ p[i].red = p[i].value;
+ p[i].green = p[i].value;
+ p[i].blue = p[i].value;
+ }
+ if (p[i].flags & HAS_ALPHA)
+ {
+ if (p[i].flags & CANNOT_HAVE_ALPHA)
+ p[i].alpha = 0xFF;
+ *((ILubyte*)(p[i].palette + p[i].pal_offset + p[i].alpha_offset)) = (ILubyte)(p[i].alpha);
+ }
+ *((ILubyte*)(p[i].palette + p[i].pal_offset + p[i].red_offset)) = (ILubyte)(p[i].red);
+ *((ILubyte*)(p[i].palette + p[i].pal_offset + p[i].green_offset)) = (ILubyte)(p[i].green);
+ *((ILubyte*)(p[i].palette + p[i].pal_offset + p[i].blue_offset)) = (ILubyte)(p[i].blue);
+ }
+ }
+
+ ++p[1].index;
+ p[1].pal_offset += p[1].info.palette_bpp;
+ ++p[2].index;
+ p[2].pal_offset += p[1].info.palette_bpp;
+ }
+ ++p[0].index;
+ p[0].pal_offset += p[0].info.palette_bpp;
+ }
+ }
+ }
+
+ return r;
+}
+
ILuint upscale_value (ILubyte x, ILint bytes)
{
ILint i;
bicyclesonthemoon.info / projects / ott / enhance / commitdiff