Added support for loading and saving c64 fileformats. Please test it :)
git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1013 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Adrien Destugues
parent
04cbf954ca
commit
cc47a21eca
11
const.h
11
const.h
@ -95,14 +95,14 @@
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// -- File formats
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#ifndef __no_pnglib__
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#define NB_KNOWN_FORMATS 15 ///< Total number of known file formats.
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#define NB_FORMATS_LOAD 15 ///< Number of file formats that grafx2 can load.
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#define NB_FORMATS_SAVE 15 ///< Number of file formats that grafx2 can save.
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#else
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// Without pnglib
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#define NB_KNOWN_FORMATS 14 ///< Total number of known file formats.
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#define NB_FORMATS_LOAD 14 ///< Number of file formats that grafx2 can load.
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#define NB_FORMATS_SAVE 14 ///< Number of file formats that grafx2 can save.
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#else
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// Without pnglib
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#define NB_KNOWN_FORMATS 13 ///< Total number of known file formats.
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#define NB_FORMATS_LOAD 13 ///< Number of file formats that grafx2 can load.
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#define NB_FORMATS_SAVE 13 ///< Number of file formats that grafx2 can save.
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#endif
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/// List of file formats recognized by grafx2
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@ -122,6 +122,7 @@ enum FILE_FORMATS
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FORMAT_NEO,
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FORMAT_KCF,
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FORMAT_PAL,
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FORMAT_C64,
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FORMAT_PNG
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};
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405
loadsave.c
405
loadsave.c
@ -109,6 +109,11 @@ void Test_NEO(void);
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void Load_NEO(void);
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void Save_NEO(void);
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// -- C64 -------------------------------------------------------------------
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void Test_C64(void);
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void Load_C64(void);
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void Save_C64(void);
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// -- PNG -------------------------------------------------------------------
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#ifndef __no_pnglib__
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void Test_PNG(void);
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@ -132,6 +137,7 @@ T_Format File_formats[NB_KNOWN_FORMATS] = {
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{"neo", Test_NEO, Load_NEO, Save_NEO, 1, 0},
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{"kcf", Test_KCF, Load_KCF, Save_KCF, 0, 0},
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{"pal", Test_PAL, Load_PAL, Save_PAL, 0, 0},
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{"c64", Test_C64, Load_C64, Save_C64, 1, 0},
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#ifndef __no_pnglib__
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{"png", Test_PNG, Load_PNG, Save_PNG, 1, 1}
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#endif
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@ -628,50 +634,53 @@ void Load_image(byte image)
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}
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else
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{
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// Cas d'un chargement dans la brosse
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if (Convert_24b_bitmap_to_256(Brush,Buffer_image_24b,Brush_width,Brush_height,Main_palette))
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File_error=2;
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// Cas d'un chargement dans la brosse
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if (Convert_24b_bitmap_to_256(Brush, Buffer_image_24b, Brush_width,
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Brush_height, Main_palette))
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File_error = 2;
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}
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//if (!File_error)
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// Palette_256_to_64(Main_palette);
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// Palette_256_to_64(Main_palette);
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// Normalement plus besoin car 256 color natif, et c'etait probablement
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// un bug - yr
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}
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free(Buffer_image_24b);
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}
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free(Buffer_image_24b);
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}
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if (image)
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{
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if (image)
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{
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if ( (File_error!=1) && (File_formats[format].Backup_done) )
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{
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if (Pixel_load_function==Pixel_load_in_preview)
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{
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dword color_usage[256];
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Count_used_colors_area(color_usage,Preview_pos_X,Preview_pos_Y,Main_image_width/Preview_factor_X,Main_image_height/Preview_factor_Y);
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dword color_usage[256];
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Count_used_colors_screen_area(color_usage, Preview_pos_X,
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Preview_pos_Y, Main_image_width / Preview_factor_X,
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Main_image_height / Preview_factor_Y);
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//Count_used_colors(color_usage);
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Display_cursor();
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Set_nice_menu_colors(color_usage,1);
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Set_nice_menu_colors(color_usage, 1);
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Hide_cursor();
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}
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// On considère que l'image chargée n'est plus modifiée
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Main_image_is_modified=0;
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Main_image_is_modified = 0;
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// Et on documente la variable Main_fileformat avec la valeur:
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Main_fileformat=format+1;
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Main_fileformat = format + 1;
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// Correction des dimensions
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if (Main_image_width<1)
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Main_image_width=1;
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Main_image_width = 1;
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if (Main_image_height<1)
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Main_image_height=1;
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Main_image_height = 1;
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}
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else if (File_error!=1)
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{
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// On considère que l'image chargée est encore modifiée
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Main_image_is_modified=1;
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Main_image_is_modified = 1;
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// Et on documente la variable Main_fileformat avec la valeur:
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Main_fileformat=format+1;
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Main_fileformat = format + 1;
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}
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else
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{
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@ -5830,6 +5839,368 @@ void Save_NEO(void)
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}
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}
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////// C64 ////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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void Test_C64(void)
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{
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FILE* file;
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char filename[MAX_PATH_CHARACTERS];
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long file_size;
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Get_full_filename(filename,0);
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file = fopen(filename,"rb");
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if(file)
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{
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file_size = File_length_file(file);
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switch(file_size)
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{
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case 8000: // raw bitmap
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case 8002: // raw bitmap with loadaddr
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case 9000: // bitmap + screen
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case 9002: // bitmap + screen + loadaddr
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case 10001: // multicolor
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case 10003: // multicolor + loadaddr
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File_error = 0;
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break;
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default: // then we don't know for now.
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File_error = 1;
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}
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fclose(file);
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}
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else
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{
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File_error = 1;
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}
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}
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void Load_C64_hires(byte *bitmap, byte *colors)
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{
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int cx,cy,x,y,c[4],pixel,color;
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for(cy=0; cy<25; cy++)
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{
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for(cx=0; cx<40; cx++)
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{
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c[1]=colors[cy*40+cx]&15;
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c[0]=colors[cy*40+cx]>>4;
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for(y=0; y<8; y++)
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{
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pixel=bitmap[cy*320+cx*8+y];
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for(x=0; x<8; x++)
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{
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color=c[pixel&(1<<(7-x))?1:0];
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Pixel_load_function(cx*8+x,cy*8+y,color);
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}
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}
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}
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}
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}
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void Load_C64_multi(byte *bitmap, byte *colors, byte *nybble, byte background)
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{
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int cx,cy,x,y,c[4],pixel,color;
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c[0]=background;
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for(cy=0; cy<25; cy++)
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{
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for(cx=0; cx<40; cx++)
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{
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c[1]=colors[cy*40+cx]>>4;
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c[2]=colors[cy*40+cx]&15;
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c[3]=nybble[cy*40+cx];
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for(y=0; y<8; y++)
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{
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pixel=bitmap[cy*320+cx*8+y];
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for(x=0; x<4; x++)
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{
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color=c[(pixel&3)];
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pixel>>=2;
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Pixel_load_function(cx*4+(3-x),cy*8+y,color);
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}
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}
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}
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}
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}
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void Load_C64(void)
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{
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FILE* file;
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char filename[MAX_PATH_CHARACTERS];
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long file_size;
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int newPixel_ratio;
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byte background;
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// Palette from http://www.pepto.de/projects/colorvic/
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byte pal[48]={
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0x00, 0x00, 0x00,
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0xFF, 0xFF, 0xFF,
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0x68, 0x37, 0x2B,
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0x70, 0xA4, 0xB2,
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0x6F, 0x3D, 0x86,
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0x58, 0x8D, 0x43,
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0x35, 0x28, 0x79,
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0xB8, 0xC7, 0x6F,
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0x6F, 0x4F, 0x25,
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0x43, 0x39, 0x00,
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0x9A, 0x67, 0x59,
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0x44, 0x44, 0x44,
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0x6C, 0x6C, 0x6C,
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0x9A, 0xD2, 0x84,
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0x6C, 0x5E, 0xB5,
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0x95, 0x95, 0x95};
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byte bitmap[8000],colors[1000],nybble[1000];
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word width=320, height=200;
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Get_full_filename(filename,0);
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file = fopen(filename,"rb");
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if(file)
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{
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memcpy(Main_palette,pal,48); // this set the software palette for grafx2
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Set_palette(Main_palette); // this set the hardware palette for SDL
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Remap_fileselector(); // Always call it if you change the palette
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file_size = File_length_file(file);
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if(file_size>9002)width=160;
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Init_preview(width, height, file_size, FORMAT_C64); // Do this as soon as you can
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Main_image_width = width ;
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Main_image_height = height;
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Read_bytes(file,bitmap,8000);
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if(file_size>8002)Read_bytes(file,colors,1000);
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if(width==160)
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{
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Read_bytes(file,nybble,1000);
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Read_byte(file,&background);
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Load_C64_multi(bitmap,colors,nybble,background);
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newPixel_ratio = PIXEL_WIDE;
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}
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else
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{
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Load_C64_hires(bitmap,colors);
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newPixel_ratio = PIXEL_SIMPLE;
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}
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//Pixel_ratio = newPixel_ratio;
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File_error = 0;
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fclose(file);
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}
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else
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File_error = 1;
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}
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int Save_C64_hires(FILE *file)
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{
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int cx,cy,x,y,c1,c2,i,pixel,bits;
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word numcolors;
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dword cusage[256];
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byte colors[1000];
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for(x=0;x<1000;x++)colors[x]=1; // init colormem to black/white
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for(cy=0; cy<25; cy++) // Character line, 25 lines
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{
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for(cx=0; cx<40; cx++) // Character column, 40 columns
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{
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for(i=0;i<256;i++) cusage[i]=0;
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numcolors=Count_used_colors_area(cusage,cx*8,cy*8,8,8);
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if(numcolors>2)
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{
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Warning_message("More than 2 colors in 8x8 pixels");
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// TODO here we should hilite the offending block
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printf("\nerror at %dx%d (%d colors)\n",cx*8,cy*8,numcolors);
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return 1;
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}
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for(i=0;i<16;i++)
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{
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if(cusage[i])
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{
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c2=i;
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break;
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}
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}
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c1=c2;
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for(i=c2+1;i<16;i++)
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{
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if(cusage[i])
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{
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c1=i;
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}
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}
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colors[cx+cy*40]=(c2<<4)|c1;
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for(y=0; y<8; y++)
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{
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bits=0;
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for(x=0; x<8; x++)
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{
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pixel=Read_pixel_function(x+cx*8,y+cy*8);
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if(pixel>15)
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{
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Warning_message("Color above 15 used");
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// TODO hilite offending block here too?
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// or make it smarter with color allocation?
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// However, the palette is fixed to the 16 first colors
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return 1;
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}
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bits=bits<<1;
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if(pixel==c1) bits|=1;
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}
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Write_byte(file,bits&255);
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}
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}
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}
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Write_bytes(file,colors,1000);
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return 0;
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}
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int Save_C64_multi(FILE *file)
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{
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/*
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BITS COLOR INFORMATION COMES FROM
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00 Background color #0 (screen color)
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01 Upper 4 bits of screen memory
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10 Lower 4 bits of screen memory
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11 Color nybble (nybble = 1/2 byte = 4 bits)
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*/
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int cx,cy,x,y,c[4]={0,0,0,0},color,lut[16],bits,pixel;
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byte screen[1000],nybble[1000];
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word numcolors,count;
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dword cusage[256];
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byte i,background=0;
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numcolors=Count_used_colors(cusage);
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count=0;
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for(x=0;x<16;x++)
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{
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//printf("color %d, pixels %d\n",x,cusage[x]);
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if(cusage[x]>count)
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{
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count=cusage[x];
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background=x;
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}
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}
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for(cy=0; cy<25; cy++)
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{
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//printf("\ny:%2d ",cy);
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for(cx=0; cx<40; cx++)
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{
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numcolors=Count_used_colors_area(cusage,cx*4,cy*8,4,8);
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if(numcolors>4)
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{
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Warning_message("More than 4 colors in 4x8");
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// TODO hilite offending block
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return 1;
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}
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color=1;
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c[0]=background;
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for(i=0; i<16; i++)
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{
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lut[i]=0;
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if(cusage[i])
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{
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if(i!=background)
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{
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lut[i]=color;
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c[color]=i;
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color++;
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}
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else
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{
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lut[i]=0;
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}
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}
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}
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// add to screen and nybble
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screen[cx+cy*40]=c[1]<<4|c[2];
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nybble[cx+cy*40]=c[3];
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//printf("%x%x%x ",c[1],c[2],c[3]);
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for(y=0;y<8;y++)
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{
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bits=0;
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for(x=0;x<4;x++)
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{
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pixel=Read_pixel_function(cx*4+x,cy*8+y);
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if(pixel>15)
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{
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Warning_message("Color above 15 used");
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// TODO hilite as in hires, you should stay to
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// the fixed 16 color palette
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return 1;
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}
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bits=bits<<2;
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bits|=lut[pixel];
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}
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Write_byte(file,bits&255);
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}
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}
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}
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Write_bytes(file,screen,1000);
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Write_bytes(file,nybble,1000);
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Write_byte(file,background);
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//printf("\nbg:%d\n",background);
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return 0;
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}
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void Save_C64(void)
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{
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FILE* file;
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char filename[MAX_PATH_CHARACTERS];
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dword numcolors,cusage[256];
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numcolors=Count_used_colors(cusage);
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if(numcolors>16)
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{
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Warning_message("Error: Max 16 colors");
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File_error = 1;
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return;
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}
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if(((Main_image_width!=320) && (Main_image_width!=160)) || Main_image_height!=200)
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{
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Warning_message("must be 320x200 or 160x200");
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File_error = 1;
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return;
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}
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Get_full_filename(filename,0);
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file = fopen(filename,"wb");
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if(!file)
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{
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Warning_message("File open failed");
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File_error = 1;
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return;
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}
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if(Main_image_width==320)
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File_error = Save_C64_hires(file);
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else
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File_error = Save_C64_multi(file);
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fclose(file);
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}
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////// PNG ////////////////////////////////////
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1
misc.h
1
misc.h
@ -35,6 +35,7 @@ void Slider_timer(byte speed);
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dword Round_div(dword numerator,dword divisor);
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word Count_used_colors(dword * usage);
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word Count_used_colors_area(dword* usage, word start_x, word start_y, word width, word height);
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word Count_used_colors_screen_area(dword* usage, word start_x, word start_y, word width, word height);
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void Pixel_in_current_screen (word x,word y,byte color);
|
||||
void Pixel_in_brush (word x,word y,byte color);
|
||||
byte Read_pixel_from_current_screen (word x,word y);
|
||||
|
||||
@ -837,7 +837,7 @@ byte Confirmation_box(char * message)
|
||||
|
||||
|
||||
|
||||
//---- Fenêtre avertissant de quelque chose et attendant un click sur OK -----
|
||||
/// Window that show a warning message and wait for a click on the OK button
|
||||
void Warning_message(char * message)
|
||||
{
|
||||
short clicked_button;
|
||||
@ -863,7 +863,7 @@ void Warning_message(char * message)
|
||||
Display_cursor();
|
||||
}
|
||||
|
||||
//---- Window that shows a big message, and waits for a click on OK -----
|
||||
/// Window that shows a big message, and waits for a click on OK
|
||||
void Verbose_error_message(char * message)
|
||||
{
|
||||
short clicked_button;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user