paledit - make the major colors uses bigger 4x4 items in pal thumb

src/bin/tools/paledit/palimg.c

@@ -1,5 +1,18 @@
 #include "main.h"
 
+static Elm_Palette_Color *
+_find_col(Eina_List *colors, const char *name)
+{
+   Eina_List *l;
+   Elm_Palette_Color *col;
+
+   EINA_LIST_FOREACH(colors, l, col)
+     {
+        if ((col->name) && (!strcmp(col->name, name))) return col;
+     }
+   return NULL;
+}
+
 void
 palimg_update(Evas_Object *img, Elm_Palette *pal)
 {
@@ -7,17 +20,67 @@ palimg_update(Evas_Object *img, Elm_Palette *pal)
    int w, h, stride;
    Eina_List *l;
    Elm_Palette_Color *col;
-   int x = 0, pixn = 0;
+   Elm_Palette_Color *cols[8];
+   int x = 0, pixn = 0, xx, yy;
+   int i, n, r, g, b, a;
 
    if (!pal) return;
    evas_object_image_size_get(img, &w, &h);
    stride = evas_object_image_stride_get(img);
    pix = evas_object_image_data_get(img, EINA_TRUE);
    lin = p = pix;
+   memset(pix, 0, stride * h);
+#define PIX_WRITE(r, g, b, a) \
+   for (yy = 0; yy < 4; yy++) \
+   { \
+      for (xx = 0; xx < 4; xx++) \
+        { \
+           ((int *)(void *)(p + (yy * stride)))[xx] = \
+               (a << 24) | (r << 16) | (g << 8) | (b); \
+        } \
+   } \
+   pixn += 16; \
+   x += 4; \
+   p += 16; \
+   if (x == w) \
+   { \
+      lin += stride * 4; \
+      p = lin; \
+      x = 0; \
+   } \
+   if (pixn >= 256) break
+
+   n = 0;
+   cols[n] = _find_col(pal->colors, ":bg"); if (cols[n]) n++;
+   cols[n] = _find_col(pal->colors, ":fg"); if (cols[n]) n++;
+   cols[n] = _find_col(pal->colors, ":selected"); if (cols[n]) n++;
+   cols[n] = _find_col(pal->colors, ":bg-dark"); if (cols[n]) n++;
+   cols[n] = _find_col(pal->colors, ":fg-light"); if (cols[n]) n++;
+   cols[n] = _find_col(pal->colors, ":selected-alt"); if (cols[n]) n++;
+   cols[n] = _find_col(pal->colors, ":selected2"); if (cols[n]) n++;
+   cols[n] = _find_col(pal->colors, ":selected3"); if (cols[n]) n++;
+   i = 0;
    while (pixn < 256)
      {
+        if (i >= n) break;
+        r = cols[i]->r;
+        g = cols[i]->g;
+        b = cols[i]->b;
+        a = cols[i]->a;
+        evas_color_argb_premul(a, &r, &g, &b);
+        PIX_WRITE(r, g, b, a);
+        i++;
+     }
+#undef PIX_WRITE
+   if (!((i == 0) || (i == 4) || (i == 8)))
+     {
+        lin += stride * 4;
+        p = lin;
+        x = 0;
+     }
+
 #define PIX_WRITE(r, g, b, a) \
-   *((int *)(void *)p) = (a << 24) | (r << 16) | (g << 8) | (b); \
+   ((int *)(void *)p)[0] = (a << 24) | (r << 16) | (g << 8) | (b); \
    p += sizeof(int); \
    pixn++; \
    x++; \
@@ -28,6 +91,8 @@ palimg_update(Evas_Object *img, Elm_Palette *pal)
       x = 0; \
    } \
    if (pixn >= 256) break
+   while (pixn < 256)
+     {
         if (!pal->colors)
           {
              PIX_WRITE(0, 0, 0, 0);
@@ -36,8 +101,6 @@ palimg_update(Evas_Object *img, Elm_Palette *pal)
           {
              EINA_LIST_FOREACH(pal->colors, l, col)
                {
-                  int r, g, b, a;
-
                   r = col->r;
                   g = col->g;
                   b = col->b;