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Implement "sort by histogram" in palette.

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* Most used colors are moved to the start of the palette
* Stable sorting is used, so unused colors at the end of the palette are not moved at all


git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@2104 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Adrien Destugues 2015-03-03 08:57:34 +00:00
parent 78fcc648c3
commit 5a8faa6d42
1 changed files with 29 additions and 3 deletions
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32
src/palette.c
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@ -1078,7 +1078,6 @@ void Button_Palette(void)
byte last_color;
char str[10];
word i;
T_Normal_button * button_used;
T_Scroller_button * red_slider;
T_Scroller_button * green_slider;
T_Scroller_button * blue_slider;
@ -1190,12 +1189,13 @@ void Button_Palette(void)
1, 1, RIGHT_SIDE|LEFT_SIDE, 0); // 23
Window_dropdown_add_item(sort_dropdown, 0, "Hue/Light");
Window_dropdown_add_item(sort_dropdown, 1, "Lightness");
Window_dropdown_add_item(sort_dropdown, 2, "Histogram");
Window_set_normal_button(NUMERIC_BOX_X,NUMERIC_BOX_Y,NUMERIC_BOX_W,NUMERIC_BOX_H,"" ,0,1,KEY_NONE); // 24
// Button without outline
Window_display_frame_mono(NUMERIC_BOX_X-1,NUMERIC_BOX_Y-1,NUMERIC_BOX_W+2,NUMERIC_BOX_H+2,MC_Light);
button_used = Window_set_normal_button(247,16,45,14,"Histo",0,1,KEY_NONE);// 25
Window_set_normal_button(247,16,45,14,"Histo",0,1,KEY_NONE);// 25
// Dessin des petits effets spéciaux pour les boutons [+] et [-]
Draw_thingumajig(265, 74,MC_White,-1);
@ -2408,7 +2408,7 @@ void Button_Palette(void)
}
}
else // Sort only on perceived lightness
else if(Window_attribute2==1) // Sort only on perceived lightness
while(swap==1)
{
swap=0;
@ -2434,6 +2434,32 @@ void Button_Palette(void)
}
}
else // Sort by color usage in histogram
while(swap==1)
{
swap=0;
lightness=color_usage[begin];
for(temp_color=begin+1;temp_color<=end;temp_color++)
{
old_lightness=lightness;
lightness=color_usage[temp_color];
if(lightness>old_lightness)
{
// Swap color with the previous one
SWAP_BYTES(working_palette[temp_color].R, working_palette[temp_color-1].R)
SWAP_BYTES(working_palette[temp_color].G, working_palette[temp_color-1].G)
SWAP_BYTES(working_palette[temp_color].B, working_palette[temp_color-1].B)
SWAP_DWORDS(color_usage[temp_color], color_usage[temp_color-1])
SWAP_BYTES(remap_table[temp_color], remap_table[temp_color-1])
swap=1;
}
}
}
for (i=0;i<256;i++)
inverted_table[remap_table[i]]=i;
Remap_image_highlevel(inverted_table);