File selector: display preview no longer changes GUI colors when the image uses less than 253 colors. Fixes many cases of issue 215, and generally allows much smoother browsing.
git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1592 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud
parent
fc42854490
commit
236a026137
@ -1772,7 +1772,7 @@ byte Button_Load_or_Save(byte load, T_IO_Context *context)
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// On efface le commentaire précédent
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Window_rectangle(45,70,32*8,8,MC_Light);
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// On nettoie la zone où va s'afficher la preview:
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Window_rectangle(183,95,120,80,MC_Light);
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Window_rectangle(183,95,PREVIEW_WIDTH,PREVIEW_HEIGHT,MC_Light);
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// On efface les dimensions de l'image
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Window_rectangle(143,59,72,8,MC_Light);
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// On efface la taille du fichier
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@ -1788,7 +1788,7 @@ byte Button_Load_or_Save(byte load, T_IO_Context *context)
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// Un update pour couvrir les 4 zones: 3 libellés plus le commentaire
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Update_window_area(45,48,256,30);
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// Zone de preview
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Update_window_area(183,95,120,80);
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Update_window_area(183,95,PREVIEW_WIDTH,PREVIEW_HEIGHT);
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}
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New_preview_is_needed=0;
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199
src/loadsave.c
199
src/loadsave.c
@ -180,38 +180,32 @@ void Set_pixel(T_IO_Context *context, short x_pos, short y_pos, byte color)
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// Chargement des pixels dans la preview
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case CONTEXT_PREVIEW:
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// Skip pixels of transparent index if :
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// - It's the first layer, and image has transparent background.
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// - or it's a layer above the first one
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if (color == context->Transparent_color && (context->Current_layer > 0 || context->Background_transparent))
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// it's a layer above the first one
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if (color == context->Transparent_color && context->Current_layer > 0)
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break;
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if (((x_pos % context->Preview_factor_X)==0) && ((y_pos % context->Preview_factor_Y)==0))
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{
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// Tag the color as 'used'
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context->Preview_usage[color]=1;
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// Store pixel
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if (context->Ratio == PIXEL_WIDE &&
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Pixel_ratio != PIXEL_WIDE &&
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Pixel_ratio != PIXEL_WIDE2)
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{
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Pixel(context->Preview_pos_X+(x_pos/context->Preview_factor_X*2),
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context->Preview_pos_Y+(y_pos/context->Preview_factor_Y),
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color);
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Pixel(context->Preview_pos_X+(x_pos/context->Preview_factor_X*2)+1,
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context->Preview_pos_Y+(y_pos/context->Preview_factor_Y),
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color);
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context->Preview_bitmap[x_pos/context->Preview_factor_X*2 + (y_pos/context->Preview_factor_Y)*PREVIEW_WIDTH*Menu_factor_X*2]=color;
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context->Preview_bitmap[x_pos/context->Preview_factor_X*2+1 + (y_pos/context->Preview_factor_Y)*PREVIEW_WIDTH*Menu_factor_X*2]=color;
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}
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else if (context->Ratio == PIXEL_TALL &&
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Pixel_ratio != PIXEL_TALL &&
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Pixel_ratio != PIXEL_TALL2)
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{
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Pixel(context->Preview_pos_X+(x_pos/context->Preview_factor_X),
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context->Preview_pos_Y+(y_pos/context->Preview_factor_Y*2),
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color);
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Pixel(context->Preview_pos_X+(x_pos/context->Preview_factor_X),
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context->Preview_pos_Y+(y_pos/context->Preview_factor_Y*2)+1,
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color);
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context->Preview_bitmap[x_pos/context->Preview_factor_X + (y_pos/context->Preview_factor_Y)*PREVIEW_WIDTH*Menu_factor_X*2]=color;
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context->Preview_bitmap[x_pos/context->Preview_factor_X + (y_pos/context->Preview_factor_Y)*PREVIEW_WIDTH*Menu_factor_X*2+1]=color;
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}
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else
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Pixel(context->Preview_pos_X+(x_pos/context->Preview_factor_X),
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context->Preview_pos_Y+(y_pos/context->Preview_factor_Y),
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color);
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context->Preview_bitmap[x_pos/context->Preview_factor_X + (y_pos/context->Preview_factor_Y)*PREVIEW_WIDTH*Menu_factor_X]=color;
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}
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break;
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@ -233,9 +227,9 @@ void Palette_loaded(T_IO_Context *context)
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switch (context->Type)
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{
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case CONTEXT_MAIN_IMAGE:
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case CONTEXT_PREVIEW:
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Set_palette(context->Palette);
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break;
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case CONTEXT_PREVIEW:
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case CONTEXT_BRUSH:
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case CONTEXT_SURFACE:
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break;
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@ -243,67 +237,7 @@ void Palette_loaded(T_IO_Context *context)
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switch (context->Type)
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{
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case CONTEXT_PREVIEW:
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Compute_optimal_menu_colors(context->Palette);
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/*
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if(
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(
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context->Palette[MC_Black].R==context->Palette[MC_Dark].R &&
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context->Palette[MC_Black].G==context->Palette[MC_Dark].G &&
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context->Palette[MC_Black].B==context->Palette[MC_Dark].B
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) ||
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(
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context->Palette[MC_Light].R==context->Palette[MC_Dark].R &&
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context->Palette[MC_Light].G==context->Palette[MC_Dark].G &&
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context->Palette[MC_Light].B==context->Palette[MC_Dark].B
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) ||
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(
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context->Palette[MC_White].R==context->Palette[MC_Light].R &&
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context->Palette[MC_White].G==context->Palette[MC_Light].G &&
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context->Palette[MC_White].B==context->Palette[MC_Light].B
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)
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)
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{
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// Si on charge une image monochrome, le fileselect ne sera plus visible. Dans ce cas on force quelques couleurs à des valeurs sures
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int black =
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Main_palette[MC_Black].R +
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Main_palette[MC_Black].G +
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Main_palette[MC_Black].B;
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int white =
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Main_palette[MC_White].R +
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Main_palette[MC_White].G +
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Main_palette[MC_White].B;
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//Set_color(MC_Light,(2*white+black)/9,(2*white+black)/9,(2*white+black)/9);
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//Set_color(MC_Dark,(2*black+white)/9,(2*black+white)/9,(2*black+white)/9);
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Main_palette[MC_Dark].R=(2*black+white)/9;
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Main_palette[MC_Dark].G=(2*black+white)/9;
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Main_palette[MC_Dark].B=(2*black+white)/9;
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Main_palette[MC_Light].R=(2*white+black)/9;
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Main_palette[MC_Light].G=(2*white+black)/9;
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Main_palette[MC_Light].B=(2*white+black)/9;
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Set_palette(Main_palette);
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}
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*/
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Remap_screen_after_menu_colors_change();
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// Preview palette
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if (Get_fileformat(context->Format)->Palette_only)
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{
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short index;
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if (context->Type == CONTEXT_PREVIEW)
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for (index=0; index<256; index++)
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Window_rectangle(183+(index/16)*7,95+(index&15)*5,5,5,index);
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Update_window_area(183,95,120,80);
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}
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break;
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case CONTEXT_PREVIEW:
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case CONTEXT_MAIN_IMAGE:
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case CONTEXT_BRUSH:
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case CONTEXT_SURFACE:
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@ -336,17 +270,17 @@ void Set_pixel_24b(T_IO_Context *context, short x_pos, short y_pos, byte r, byte
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break;
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case CONTEXT_PREVIEW:
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{
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if (((x_pos % context->Preview_factor_X)==0) && ((y_pos % context->Preview_factor_Y)==0))
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{
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color=((r >> 5) << 5) |
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((g >> 5) << 2) |
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((b >> 6));
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Pixel(context->Preview_pos_X+(x_pos/context->Preview_factor_X),
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context->Preview_pos_Y+(y_pos/context->Preview_factor_Y),
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color);
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}
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if (((x_pos % context->Preview_factor_X)==0) && ((y_pos % context->Preview_factor_Y)==0))
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{
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color=((r >> 5) << 5) |
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((g >> 5) << 2) |
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((b >> 6));
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// Tag the color as 'used'
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context->Preview_usage[color]=1;
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context->Preview_bitmap[x_pos/context->Preview_factor_X + (y_pos/context->Preview_factor_Y)*PREVIEW_WIDTH*Menu_factor_X]=color;
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}
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break;
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}
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@ -388,6 +322,11 @@ void Pre_load(T_IO_Context *context, short width, short height, long file_size,
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// Preview
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case CONTEXT_PREVIEW:
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// Préparation du chargement d'une preview:
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context->Preview_bitmap=malloc(PREVIEW_WIDTH*PREVIEW_HEIGHT*Menu_factor_X*Menu_factor_Y);
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if (!context->Preview_bitmap)
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File_error=1;
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// Affichage des données "Image size:"
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if ((width<10000) && (height<10000))
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{
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@ -443,8 +382,8 @@ void Pre_load(T_IO_Context *context, short width, short height, long file_size,
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Pixel_ratio != PIXEL_TALL2)
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height*=2;
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context->Preview_factor_X=Round_div_max(width,122*Menu_factor_X);
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context->Preview_factor_Y=Round_div_max(height, 82*Menu_factor_Y);
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context->Preview_factor_X=Round_div_max(width,120*Menu_factor_X);
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context->Preview_factor_Y=Round_div_max(height, 80*Menu_factor_Y);
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if ( (!Config.Maximize_preview) && (context->Preview_factor_X!=context->Preview_factor_Y) )
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{
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@ -458,12 +397,12 @@ void Pre_load(T_IO_Context *context, short width, short height, long file_size,
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context->Preview_pos_Y=Window_pos_Y+ 95*Menu_factor_Y;
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// On nettoie la zone où va s'afficher la preview:
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Window_rectangle(183,95,120,80,MC_Light);
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Window_rectangle(183,95,PREVIEW_WIDTH,PREVIEW_HEIGHT,MC_Light);
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// Un update pour couvrir les 4 zones: 3 libellés plus le commentaire
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Update_window_area(45,48,256,30);
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// Zone de preview
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Update_window_area(183,95,120,80);
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Update_window_area(183,95,PREVIEW_WIDTH,PREVIEW_HEIGHT);
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break;
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// Other loading
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@ -838,6 +777,75 @@ void Load_image(T_IO_Context *context)
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SDL_SetColors(context->Surface, colors, 0, 256);
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}
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}
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else if (context->Type == CONTEXT_PREVIEW
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/*&& !context->Buffer_image_24b*/
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/*&& !Get_fileformat(context->Format)->Palette_only*/)
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{
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// Try to adapt the palette to accomodate the GUI.
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int c;
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int count_unused;
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byte unused_color[4];
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count_unused=0;
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// Try find 4 unused colors and insert good colors there
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for (c=255; c>=0 && count_unused<4; c--)
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{
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if (!context->Preview_usage[c])
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{
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unused_color[count_unused]=c;
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count_unused++;
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}
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}
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// Found! replace them with some favorites
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if (count_unused==4)
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{
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int gui_index;
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for (gui_index=0; gui_index<4; gui_index++)
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{
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context->Palette[unused_color[gui_index]]=*Favorite_GUI_color(gui_index);
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}
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}
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// All preview display is here
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// Update palette and screen first
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Compute_optimal_menu_colors(context->Palette);
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Remap_screen_after_menu_colors_change();
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Set_palette(context->Palette);
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// Display palette preview
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if (Get_fileformat(context->Format)->Palette_only)
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{
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short index;
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if (context->Type == CONTEXT_PREVIEW)
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for (index=0; index<256; index++)
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Window_rectangle(183+(index/16)*7,95+(index&15)*5,5,5,index);
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}
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// Display normal image
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else if (context->Preview_bitmap)
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{
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int x_pos,y_pos;
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for (y_pos=0; y_pos<context->Height/context->Preview_factor_Y;y_pos++)
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for (x_pos=0; x_pos<context->Width/context->Preview_factor_X;x_pos++)
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{
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byte color=context->Preview_bitmap[x_pos+y_pos*PREVIEW_WIDTH*Menu_factor_X];
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// Skip transparent if image has transparent background.
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if (color == context->Transparent_color && context->Background_transparent)
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color=MC_Window;
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Pixel(context->Preview_pos_X+x_pos,
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context->Preview_pos_Y+y_pos,
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color);
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}
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}
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// Refresh modified part
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Update_window_area(183,95,PREVIEW_WIDTH,PREVIEW_HEIGHT);
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}
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}
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@ -1057,11 +1065,12 @@ byte Get_pixel(T_IO_Context *context, short x, short y)
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return *(context->Target_address + y*context->Pitch + x);
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}
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/// Cleans up resources (currently: the 24bit buffer)
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/// Cleans up resources
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void Destroy_context(T_IO_Context *context)
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{
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free(context->Buffer_image_24b);
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free(context->Buffer_image);
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free(context->Preview_bitmap);
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memset(context, 0, sizeof(T_IO_Context));
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}
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@ -98,12 +98,17 @@ typedef struct
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short Preview_factor_Y;
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short Preview_pos_X;
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short Preview_pos_Y;
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byte *Preview_bitmap;
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byte Preview_usage[256];
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// Internal: returned surface for SDL_Surface case
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SDL_Surface * Surface;
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} T_IO_Context;
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#define PREVIEW_WIDTH 120
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#define PREVIEW_HEIGHT 80
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/// Type of a function that can be called for a T_IO_Context. Kind of a method.
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typedef void (* Func_IO) (T_IO_Context *);
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@ -396,13 +396,6 @@ void Set_nice_menu_colors(dword * color_usage,int not_picture)
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byte color;
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byte replace_table[256];
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T_Components rgb[4];
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const T_Components * target_rgb[4];
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const T_Components cpc_colors[4] = {
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{ 0, 0, 0},
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{128,128,128}, // Grey
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{ 0,255,128}, // Soft light green
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{255,255,255}
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};
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short new_colors[4]={255,254,253,252};
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// On initialise la table de remplacement
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@ -437,27 +430,20 @@ void Set_nice_menu_colors(dword * color_usage,int not_picture)
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}
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} while (color);
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if (RGB_scale==3)
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// Specialized colors for CPC palette
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for (index=0; index<4; index++)
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target_rgb[index] = &cpc_colors[index];
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else
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// Should be Config.Fav_menu_colors[index] if using user colors
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for (index=0; index<4; index++)
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target_rgb[index]=&(Gfx->Default_palette[Gfx->Color[index]]);
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// On sauvegarde dans rgb les teintes qu'on va remplacer et on met les
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// couleurs du menu par défaut
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for (index=0; index<4; index++)
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{
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const T_Components * target_rgb;
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target_rgb=Favorite_GUI_color(index);
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color=new_colors[index];
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rgb[index].R=Main_palette[color].R;
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rgb[index].G=Main_palette[color].G;
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rgb[index].B=Main_palette[color].B;
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// Should be Config.Fav_menu_colors[index] if using user colors
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Main_palette[color].R=Round_palette_component(target_rgb[index]->R);
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Main_palette[color].G=Round_palette_component(target_rgb[index]->G);
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Main_palette[color].B=Round_palette_component(target_rgb[index]->B);
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Main_palette[color].R=Round_palette_component(target_rgb->R);
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Main_palette[color].G=Round_palette_component(target_rgb->G);
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Main_palette[color].B=Round_palette_component(target_rgb->B);
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}
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// Maintenant qu'on a placé notre nouvelle palette, on va chercher quelles
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@ -2852,3 +2838,21 @@ int Get_clipboard_colors(T_Palette palette, byte start_color)
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memcpy(palette+start_color, Palette_clipboard, nb_colors*sizeof(T_Components));
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return nb_colors;
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}
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/// Get the favorite color to use for GUI's black,dark,light or white.
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const T_Components * Favorite_GUI_color(byte color_index)
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{
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static const T_Components cpc_colors[4] = {
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{ 0, 0, 0},
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{128,128,128}, // Grey
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{ 0,255,128}, // Soft light green
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{255,255,255}
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};
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if (RGB_scale==3)
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// Specialized colors for CPC palette
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return &cpc_colors[color_index];
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else
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// Should be Config.Fav_menu_colors[index] if using user colors
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return &(Gfx->Default_palette[Gfx->Color[color_index]]);
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}
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@ -55,3 +55,6 @@ void Set_clipboard_colors(int nb_colors, T_Components *colors);
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/// @param start_color Index of first color to replace
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/// @return Number of colors retrieved (0-256)
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int Get_clipboard_colors(T_Palette palette, byte start_color);
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/// Get the favorite color to use for GUI's black,dark,light or white.
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const T_Components * Favorite_GUI_color(byte color_index);
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