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Fixed tabulations to 2spaces (the most common in this file). Tiny bit of error-check on saving. Implemented preview scaling to display c64 widepixel pictures properly. Not done yet: Auto-set wide or wide2 pixels after loading a picture with wide pixels.

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1016 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Yves Rizoud 2009-09-05 19:49:18 +00:00
parent 6c3963bf33
commit 2e46820b83
1 changed files with 447 additions and 410 deletions
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107
loadsave.c
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@ -121,7 +121,7 @@ void Load_PNG(void);
void Save_PNG(void);
#endif
void Init_preview(short width,short height,long size,int format);
void Init_preview(short width,short height,long size,int format,enum PIXEL_RATIO ratio);
T_Format File_formats[NB_KNOWN_FORMATS] = {
{"pkm", Test_PKM, Load_PKM, Save_PKM, 1, 1},
@ -178,10 +178,35 @@ void Pixel_load_in_preview(word x_pos,word y_pos,byte color)
{
if (((x_pos % Preview_factor_X)==0) && ((y_pos % Preview_factor_Y)==0))
if ((x_pos<Main_image_width) && (y_pos<Main_image_height))
{
if (Ratio_of_loaded_image == PIXEL_WIDE &&
Pixel_ratio != PIXEL_WIDE &&
Pixel_ratio != PIXEL_WIDE2)
{
Pixel(Preview_pos_X+(x_pos/Preview_factor_X*2),
Preview_pos_Y+(y_pos/Preview_factor_Y),
color);
Pixel(Preview_pos_X+(x_pos/Preview_factor_X*2)+1,
Preview_pos_Y+(y_pos/Preview_factor_Y),
color);
}
else if (Ratio_of_loaded_image == PIXEL_TALL &&
Pixel_ratio != PIXEL_TALL &&
Pixel_ratio != PIXEL_TALL2)
{
Pixel(Preview_pos_X+(x_pos/Preview_factor_X),
Preview_pos_Y+(y_pos/Preview_factor_Y*2),
color);
Pixel(Preview_pos_X+(x_pos/Preview_factor_X),
Preview_pos_Y+(y_pos/Preview_factor_Y*2)+1,
color);
}
else
Pixel(Preview_pos_X+(x_pos/Preview_factor_X),
Preview_pos_Y+(y_pos/Preview_factor_Y),
color);
}
}
void Remap_fileselector(void)
@ -294,7 +319,7 @@ void Set_palette_fake_24b(T_Palette palette)
void Init_preview_24b(short width,short height,long size,int format)
{
// Call common processing
Init_preview(width,height,size,format);
Init_preview(width,height,size,format, PIXEL_SIMPLE);
if (File_error)
return;
@ -337,7 +362,7 @@ void Init_preview_24b(short width,short height,long size,int format)
void Init_preview(short width,short height,long size,int format)
void Init_preview(short width,short height,long size,int format, enum PIXEL_RATIO ratio)
//
// Cette procédure doit être appelée par les routines de chargement
// d'images.
@ -398,6 +423,15 @@ void Init_preview(short width,short height,long size,int format)
Print_in_window(45,70,Main_comment,MC_Black,MC_Light);
// Calculs des données nécessaires à l'affichage de la preview:
if (ratio == PIXEL_WIDE &&
Pixel_ratio != PIXEL_WIDE &&
Pixel_ratio != PIXEL_WIDE2)
width*=2;
else if (ratio == PIXEL_TALL &&
Pixel_ratio != PIXEL_TALL &&
Pixel_ratio != PIXEL_TALL2)
height*=2;
Preview_factor_X=Round_div_max(width,122*Menu_factor_X);
Preview_factor_Y=Round_div_max(height, 82*Menu_factor_Y);
@ -898,7 +932,7 @@ void Load_IMG(void)
buffer=(byte *)malloc(IMG_header.Width);
Init_preview(IMG_header.Width,IMG_header.Height,file_size,FORMAT_IMG);
Init_preview(IMG_header.Width,IMG_header.Height,file_size,FORMAT_IMG,PIXEL_SIMPLE);
if (File_error==0)
{
memcpy(Main_palette,IMG_header.Palette,sizeof(T_Palette));
@ -1171,7 +1205,7 @@ void Load_PKM(void)
if (!File_error)
{
Init_preview(header.Width,header.Height,file_size,FORMAT_PKM);
Init_preview(header.Width,header.Height,file_size,FORMAT_PKM,PIXEL_SIMPLE);
if (File_error==0)
{
@ -1869,7 +1903,7 @@ void Load_LBM(void)
Original_screen_X = header.X_screen;
Original_screen_Y = header.Y_screen;
Init_preview(Main_image_width,Main_image_height,file_size,FORMAT_LBM);
Init_preview(Main_image_width,Main_image_height,file_size,FORMAT_LBM,PIXEL_SIMPLE);
if (File_error==0)
{
if (!memcmp(format,"ILBM",4)) // "ILBM": InterLeaved BitMap
@ -2407,7 +2441,7 @@ void Load_BMP(void)
if (!File_error)
{
Init_preview(header.Width,header.Height,file_size,FORMAT_BMP);
Init_preview(header.Width,header.Height,file_size,FORMAT_BMP,PIXEL_SIMPLE);
if (File_error==0)
{
if (Read_bytes(file,local_palette,nb_colors<<2))
@ -3131,7 +3165,7 @@ void Load_GIF(void)
Main_image_width=IDB.Image_width;
Main_image_height=IDB.Image_height;
Init_preview(IDB.Image_width,IDB.Image_height,file_size,FORMAT_GIF);
Init_preview(IDB.Image_width,IDB.Image_height,file_size,FORMAT_GIF,PIXEL_SIMPLE);
// Palette locale dispo = (IDB.Indicator and $80)
// Image entrelacée = (IDB.Indicator and $40)
@ -3803,7 +3837,7 @@ void Load_PCX(void)
if (PCX_header.Plane!=3)
{
Init_preview(Main_image_width,Main_image_height,file_size,FORMAT_PCX);
Init_preview(Main_image_width,Main_image_height,file_size,FORMAT_PCX,PIXEL_SIMPLE);
if (File_error==0)
{
// On prépare la palette à accueillir les valeurs du fichier PCX
@ -4300,7 +4334,7 @@ void Load_CEL(void)
Main_image_height=header1.Height;
Original_screen_X=Main_image_width;
Original_screen_Y=Main_image_height;
Init_preview(Main_image_width,Main_image_height,file_size,FORMAT_CEL);
Init_preview(Main_image_width,Main_image_height,file_size,FORMAT_CEL,PIXEL_SIMPLE);
if (File_error==0)
{
// Chargement de l'image
@ -4330,7 +4364,7 @@ void Load_CEL(void)
Main_image_height=header2.Height+header2.Y_offset;
Original_screen_X=Main_image_width;
Original_screen_Y=Main_image_height;
Init_preview(Main_image_width,Main_image_height,file_size,FORMAT_CEL);
Init_preview(Main_image_width,Main_image_height,file_size,FORMAT_CEL,PIXEL_SIMPLE);
if (File_error==0)
{
// Chargement de l'image
@ -4823,7 +4857,7 @@ void Load_SCx(void)
if ((Read_bytes(file,&SCx_header,sizeof(T_SCx_Header))))
{
Init_preview(SCx_header.Width,SCx_header.Height,file_size,FORMAT_SCx);
Init_preview(SCx_header.Width,SCx_header.Height,file_size,FORMAT_SCx,PIXEL_SIMPLE);
if (File_error==0)
{
if (!SCx_header.Planes)
@ -5121,7 +5155,7 @@ void Load_PI1(void)
if (Read_bytes(file,buffer,32034))
{
// Initialisation de la preview
Init_preview(320,200,File_length_file(file),FORMAT_PI1);
Init_preview(320,200,File_length_file(file),FORMAT_PI1,PIXEL_SIMPLE);
if (File_error==0)
{
// Initialisation de la palette
@ -5455,7 +5489,7 @@ void Load_PC1(void)
if (Read_bytes(file,buffercomp,size))
{
// Initialisation de la preview
Init_preview(320,200,File_length_file(file),FORMAT_PC1);
Init_preview(320,200,File_length_file(file),FORMAT_PC1,PIXEL_SIMPLE);
if (File_error==0)
{
// Initialisation de la palette
@ -5732,7 +5766,7 @@ void Load_NEO(void)
if (Read_bytes(file,buffer,32128))
{
// Initialisation de la preview
Init_preview(320,200,File_length_file(file),FORMAT_NEO);
Init_preview(320,200,File_length_file(file),FORMAT_NEO,PIXEL_SIMPLE);
if (File_error==0)
{
// Initialisation de la palette
@ -5866,7 +5900,6 @@ void Test_C64(void)
break;
default: // then we don't know for now.
File_error = 1;
}
fclose (file);
}
@ -5916,7 +5949,6 @@ void Load_C64_multi(byte *bitmap, byte *colors, byte *nybble, byte background)
pixel=bitmap[cy*320+cx*8+y];
for(x=0; x<4; x++)
{
color=c[(pixel&3)];
pixel>>=2;
Pixel_load_function(cx*4+(3-x),cy*8+y,color);
@ -5931,7 +5963,6 @@ void Load_C64(void)
FILE* file;
char filename[MAX_PATH_CHARACTERS];
long file_size;
int newPixel_ratio;
byte background;
// Palette from http://www.pepto.de/projects/colorvic/
@ -5968,31 +5999,36 @@ void Load_C64(void)
file_size = File_length_file(file);
if(file_size>9002)width=160;
if(file_size>9002)
{
width=160;
Ratio_of_loaded_image = PIXEL_WIDE;
}
else
{
Ratio_of_loaded_image = PIXEL_SIMPLE;
}
Init_preview(width, height, file_size, FORMAT_C64); // Do this as soon as you can
Init_preview(width, height, file_size, FORMAT_C64, Ratio_of_loaded_image); // Do this as soon as you can
Main_image_width = width ;
Main_image_height = height;
Read_bytes(file,bitmap,8000);
if(file_size>8002)Read_bytes(file,colors,1000);
if(file_size>8002)
Read_bytes(file,colors,1000);
if(width==160)
{
Read_bytes(file,nybble,1000);
Read_byte(file,&background);
Load_C64_multi(bitmap,colors,nybble,background);
newPixel_ratio = PIXEL_WIDE;
}
else
{
Load_C64_hires(bitmap,colors);
newPixel_ratio = PIXEL_SIMPLE;
}
//Pixel_ratio = newPixel_ratio;
File_error = 0;
fclose(file);
}
@ -6074,8 +6110,9 @@ int Save_C64_hires(char *filename)
return 1;
}
Write_bytes(file,bitmap,8000);
Write_bytes(file,colors,1000);
if (!Write_bytes(file,bitmap,8000) ||
!Write_bytes(file,colors,1000))
File_error = 1;
fclose(file);
return 0;
@ -6108,7 +6145,6 @@ BITS COLOR INFORMATION COMES FROM
{
count=cusage[x];
background=x;
}
}
@ -6178,10 +6214,11 @@ BITS COLOR INFORMATION COMES FROM
File_error = 1;
return 1;
}
Write_bytes(file,bitmap,8000);
Write_bytes(file,screen,1000);
Write_bytes(file,nybble,1000);
Write_byte(file,background);
if (!Write_bytes(file,bitmap,8000) ||
!Write_bytes(file,screen,1000) ||
!Write_bytes(file,nybble,1000) ||
!Write_byte(file,background))
File_error = 1;
fclose(file);
//printf("\nbg:%d\n",background);
@ -6214,8 +6251,6 @@ void Save_C64(void)
else
File_error = Save_C64_multi(filename);
//fclose(file);
}
/////////////////////////////////////////////////////////////////////////////
@ -6351,7 +6386,7 @@ void Load_PNG(void)
if (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_RGB_ALPHA)
Init_preview_24b(info_ptr->width,info_ptr->height,File_length_file(file),FORMAT_PNG);
else
Init_preview(info_ptr->width,info_ptr->height,File_length_file(file),FORMAT_PNG);
Init_preview(info_ptr->width,info_ptr->height,File_length_file(file),FORMAT_PNG,Ratio_of_loaded_image);
if (File_error==0)
{
@ -6567,9 +6602,11 @@ void Save_PNG(void)
switch(Pixel_ratio)
{
case PIXEL_WIDE:
case PIXEL_WIDE2:
png_set_pHYs(png_ptr, info_ptr, 3000, 6000, PNG_RESOLUTION_METER);
break;
case PIXEL_TALL:
case PIXEL_TALL2:
png_set_pHYs(png_ptr, info_ptr, 6000, 3000, PNG_RESOLUTION_METER);
break;
default: