Load Amiga Icons found in .info files
This commit is contained in:
Thomas Bernard
parent
44a8bab861
commit
cfd5839ba5
@ -146,6 +146,7 @@ enum FILE_FORMATS
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FORMAT_PPH,
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FORMAT_XPM,
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FORMAT_ICO,
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FORMAT_INFO,
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FORMAT_MISC, ///< Must be last of enum: others formats recognized by SDL_image
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};
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@ -2341,6 +2341,420 @@ void Save_IFF(T_IO_Context * context)
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/////////////////////////// .info (Amiga Icons) /////////////////////////////
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typedef struct
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{ // offset
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word Magic; // 0
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word Version;
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dword NextGadget;
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word LeftEdge; // 8
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word TopEdge;
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word Width;
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word Height;
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word Flags; // 16
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word Activation;
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word GadgetType; // 20
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dword GadgetRender; // 22
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dword SelectRender;
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dword GadgetText; // 30
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dword MutualExclude;
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dword SpecialInfo; // 38
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word GadgetID;
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dword UserData; // 44 icon revision : 0 = OS 1.x, 1 = OS 2.x/3.x
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byte Type;
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byte padding;
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dword DefaultTool;
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dword ToolTypes;
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dword CurrentX;
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dword CurrentY;
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dword DrawerData;
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dword ToolWindow;
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dword StackSize;
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} T_INFO_Header;
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static int Read_INFO_Header(FILE * file, T_INFO_Header * header)
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{
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return (Read_word_be(file, &header->Magic)
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&& Read_word_be(file, &header->Version)
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&& Read_dword_be(file, &header->NextGadget)
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&& Read_word_be(file, &header->LeftEdge)
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&& Read_word_be(file, &header->TopEdge)
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&& Read_word_be(file, &header->Width)
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&& Read_word_be(file, &header->Height)
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&& Read_word_be(file, &header->Flags)
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&& Read_word_be(file, &header->Activation)
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&& Read_word_be(file, &header->GadgetType)
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&& Read_dword_be(file, &header->GadgetRender)
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&& Read_dword_be(file, &header->SelectRender)
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&& Read_dword_be(file, &header->GadgetText)
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&& Read_dword_be(file, &header->MutualExclude)
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&& Read_dword_be(file, &header->SpecialInfo)
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&& Read_word_be(file, &header->GadgetID)
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&& Read_dword_be(file, &header->UserData)
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&& Read_byte(file, &header->Type)
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&& Read_byte(file, &header->padding)
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&& Read_dword_be(file, &header->DefaultTool)
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&& Read_dword_be(file, &header->ToolTypes)
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&& Read_dword_be(file, &header->CurrentX)
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&& Read_dword_be(file, &header->CurrentY)
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&& Read_dword_be(file, &header->DrawerData)
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&& Read_dword_be(file, &header->ToolWindow)
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&& Read_dword_be(file, &header->StackSize)
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);
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}
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typedef struct
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{
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short LeftEdge;
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short TopEdge;
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word Width;
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word Height;
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word Depth;
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dword ImageData;
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byte PlanePick;
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byte PlaneOnOff;
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dword NextImage;
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} T_INFO_ImageHeader;
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static int Read_INFO_ImageHeader(FILE * file, T_INFO_ImageHeader * header)
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{
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return (Read_word_be(file, (word *)&header->LeftEdge)
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&& Read_word_be(file, (word *)&header->TopEdge)
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&& Read_word_be(file, &header->Width)
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&& Read_word_be(file, &header->Height)
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&& Read_word_be(file, &header->Depth)
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&& Read_dword_be(file, &header->ImageData)
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&& Read_byte(file, &header->PlanePick)
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&& Read_byte(file, &header->PlaneOnOff)
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&& Read_dword_be(file, &header->NextImage)
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);
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}
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void Test_INFO(T_IO_Context * context)
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{
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T_INFO_Header header;
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char filename[MAX_PATH_CHARACTERS];
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FILE *file;
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File_error=1;
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Get_full_filename(filename, context->File_name, context->File_directory);
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file=fopen(filename, "rb");
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if (file == NULL)
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return;
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if (Read_INFO_Header(file, &header))
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{
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if (header.Magic == 0xe310 && header.Version == 1)
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File_error = 0;
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}
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fclose(file);
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}
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static char * Read_INFO_String(FILE * file)
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{
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dword size;
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char * p;
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if (!Read_dword_be(file, &size))
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return NULL;
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p = malloc(size);
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if (p == NULL)
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return NULL;
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if (!Read_bytes(file, p, size))
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{
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free(p);
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p = NULL;
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}
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return p;
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}
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static byte * Decode_NewIcons(const byte * p, int bits, int * len)
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{
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int alloc_size;
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int i;
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byte * buffer;
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dword current_byte = 0;
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int current_bits = 0;
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alloc_size = 16*1024;
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buffer = malloc(alloc_size);
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if (buffer == NULL)
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return NULL;
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i = 0;
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while (*p)
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{
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byte value = *p++;
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if (0xd1 <= value)
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{
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value -= 0xd0; // RLE count
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while (value-- > 0)
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{
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current_byte = (current_byte << 7);
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current_bits += 7;
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while (current_bits >= bits)
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{
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buffer[i++] = (current_byte >> (current_bits - bits)) & ((1 << bits) - 1);
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current_bits -= bits;
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}
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}
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continue;
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}
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if (0x20 <= value && value <= 0x6f)
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value = value - 0x20;
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else if (0xa1 <= value && value <= 0xd0)
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value = value - 0x51;
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else
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{
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Warning("Invalid value");
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break;
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}
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current_byte = (current_byte << 7) | value;
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current_bits += 7;
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while (current_bits >= bits)
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{
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buffer[i++] = (current_byte >> (current_bits - bits)) & ((1 << bits) - 1);
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current_bits -= bits;
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}
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}
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//buffer[i++] = (current_byte << (bits - current_bits)) & ((1 << bits) - 1);
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*len = i;
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return buffer;
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}
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void Load_INFO(T_IO_Context * context)
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{
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static const T_Components amigaOS1x_pal[] = {
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// { 85, 170, 255 },
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{ 0, 85, 170 },
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{ 255, 255, 255 },
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{ 0, 0, 0 },
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{ 255, 136, 0 },
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};
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static const T_Components amigaOS2x_pal[] = {
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{ 149, 149, 149 },
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{ 0, 0, 0 },
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{ 255, 255, 255 },
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{ 59, 103, 162 },
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{ 123, 123, 123 }, // MagicWB extended colors
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{ 175, 175, 175 },
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{ 170, 144, 124 },
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{ 255, 169, 151 },
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};
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T_INFO_Header header;
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T_INFO_ImageHeader imgheaders[2];
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char filename[MAX_PATH_CHARACTERS];
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FILE *file;
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long file_size;
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word plane_line_size = 0;
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word line_size = 0;
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int plane;
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short x_pos = 0, y_pos = 0;
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int has_NewIcons = 0;
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int img_count = 0; // 1 or 2
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byte * buffers[2];
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File_error = 0;
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Get_full_filename(filename, context->File_name, context->File_directory);
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file=fopen(filename, "rb");
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if (file == NULL)
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{
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File_error=1;
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return;
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}
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file_size=File_length_file(file);
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if (Read_INFO_Header(file, &header) && header.Magic == 0xe310)
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{
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if (header.GadgetRender == 0)
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File_error = 1;
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if (header.DrawerData) // Skip DrawerData
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if (fseek(file, 56, SEEK_CUR) != 0)
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File_error = 1;
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// icons
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for (img_count = 0; File_error == 0 && img_count < 2; img_count++)
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{
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buffers[img_count] = NULL;
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if (img_count == 0 && header.GadgetRender == 0)
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continue;
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if (img_count == 1 && header.SelectRender == 0)
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break;
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if (!Read_INFO_ImageHeader(file, &imgheaders[img_count]))
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File_error = 1;
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else
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{
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plane_line_size = ((imgheaders[img_count].Width + 15) >> 4) * 2;
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line_size = plane_line_size * imgheaders[img_count].Depth;
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buffers[img_count] = malloc(line_size * imgheaders[img_count].Height);
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for (plane = 0; plane < imgheaders[img_count].Depth; plane++)
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{
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for (y_pos = 0; y_pos < imgheaders[img_count].Height; y_pos++)
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{
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if (!Read_bytes(file, buffers[img_count] + y_pos * line_size + plane * plane_line_size, plane_line_size))
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{
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File_error = 2;
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break;
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}
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}
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}
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}
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}
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if (File_error == 0 && header.DefaultTool)
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{
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char * DefaultTool = Read_INFO_String(file);
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if (DefaultTool == NULL)
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File_error = 2;
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else
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{
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free(DefaultTool);
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}
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}
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if (File_error == 0 && header.ToolTypes)
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{
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int current_img = -1;
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int width = 0;
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int height = 0;
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int color_count;
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int bpp = 0;
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dword count;
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char * ToolType;
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if (Read_dword_be(file, &count))
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{
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while(count > 0)
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{
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ToolType = Read_INFO_String(file);
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if (ToolType == NULL)
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break;
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else
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{
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// NewIcons
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if (strlen(ToolType) > 4 && ToolType[0] == 'I' && ToolType[1] == 'M' && ToolType[3] == '=')
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{
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byte * p;
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int img_index = ToolType[2] - '0';
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p = (byte *)ToolType + 4;
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if (img_index != current_img)
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{
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// image info + palette
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byte * palette;
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int palette_len;
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current_img = img_index;
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if (*p++ == 'B')
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{
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context->Transparent_color = 0;
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context->Background_transparent = 1;
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}
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else
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context->Background_transparent = 0;
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width = *p++ - 0x21;
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height = *p++ - 0x21;
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color_count = *p++ - 0x21;
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color_count = (color_count << 6) + *p++ - 0x21;
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for (bpp = 1; color_count > (1 << bpp); bpp++) { }
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palette = Decode_NewIcons(p, 8, &palette_len);
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if (palette)
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{
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if (Config.Clear_palette && img_index == 1)
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memset(context->Palette,0,sizeof(T_Palette));
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memcpy(context->Palette, palette, palette_len);
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free(palette);
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}
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if (img_index == 1)
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{
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Pre_load(context, width, height,file_size,FORMAT_INFO,PIXEL_SIMPLE, bpp);
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if (context->Type == CONTEXT_MAIN_IMAGE)
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{
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Main.backups->Pages->Image_mode = IMAGE_MODE_ANIMATION;
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Update_screen_targets();
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}
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has_NewIcons = 1;
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}
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else
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Set_loading_layer(context, img_index - 1);
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x_pos = 0; y_pos = 0;
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}
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else
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{
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byte * pixels;
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int pixel_count;
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pixels = Decode_NewIcons(p, bpp, &pixel_count);
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if (pixels)
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{
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int i;
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for (i = 0; i < pixel_count; i++)
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{
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Set_pixel(context, x_pos++, y_pos, pixels[i]);
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if (x_pos >= width)
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{
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x_pos = 0;
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y_pos++;
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}
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}
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free(pixels);
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}
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}
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}
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free(ToolType);
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}
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count -= 4;
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}
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}
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}
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if (File_error == 0 && header.ToolWindow != 0)
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{
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char * ToolWindow = Read_INFO_String(file);
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if (ToolWindow == NULL)
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File_error = 2;
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else
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{
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free(ToolWindow);
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}
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}
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if (File_error == 0 && header.UserData == 1)
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{
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if (fseek(file, 8, SEEK_CUR) != 0)
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File_error = 1;
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}
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// Glow Icon can follow...
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if (!has_NewIcons && img_count > 0)
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{
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if (Config.Clear_palette)
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memset(context->Palette,0,sizeof(T_Palette));
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if (header.UserData == 0)
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memcpy(context->Palette, amigaOS1x_pal, sizeof(amigaOS1x_pal));
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else
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memcpy(context->Palette, amigaOS2x_pal, sizeof(amigaOS2x_pal));
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Pre_load(context, header.Width, header.Height,file_size,FORMAT_INFO,PIXEL_SIMPLE, imgheaders[0].Depth);
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if (context->Type == CONTEXT_MAIN_IMAGE)
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{
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Main.backups->Pages->Image_mode = IMAGE_MODE_ANIMATION;
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Update_screen_targets();
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}
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for (img_count = 0; img_count < 2 && buffers[img_count] != NULL; img_count++)
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{
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if (img_count > 0)
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Set_loading_layer(context, img_count);
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for (y_pos = 0; y_pos < imgheaders[img_count].Height; y_pos++)
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Draw_IFF_line(context, buffers[img_count] + y_pos * line_size, y_pos, plane_line_size << 3, imgheaders[img_count].Depth);
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free(buffers[img_count]);
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buffers[img_count] = NULL;
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}
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}
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}
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else
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File_error=1;
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fclose(file);
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}
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//////////////////////////////////// BMP ////////////////////////////////////
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typedef struct
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{
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@ -170,6 +170,10 @@ void Load_PNG(T_IO_Context *);
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void Save_PNG(T_IO_Context *);
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#endif
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// -- INFO (Amiga ICONS) ----------------------------------------------------
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void Test_INFO(T_IO_Context *);
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void Load_INFO(T_IO_Context *);
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// -- SDL_Image -------------------------------------------------------------
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// (TGA, BMP, PNM, XPM, XCF, PCX, GIF, JPG, TIF, IFF, PNG, ICO)
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void Load_SDL_Image(T_IO_Context *);
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@ -182,7 +186,7 @@ void Load_Recoil_Image(T_IO_Context *);
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// ENUM Name TestFunc LoadFunc SaveFunc PalOnly Comment Layers Ext Exts
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const T_Format File_formats[] = {
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{FORMAT_ALL_IMAGES, "(all)", NULL, NULL, NULL, 0, 0, 0, "", "gif;png;bmp;2bp;pcx;pkm;iff;lbm;ilbm;sham;ham;ham6;ham8;acbm;pic;anim;img;sci;scq;scf;scn;sco;pi1;pc1;cel;neo;c64;koa;koala;fli;bml;cdu;prg;tga;pnm;xpm;xcf;jpg;jpeg;tif;tiff;ico;ic2;cur;cm5;pph"},
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{FORMAT_ALL_IMAGES, "(all)", NULL, NULL, NULL, 0, 0, 0, "", "gif;png;bmp;2bp;pcx;pkm;iff;lbm;ilbm;sham;ham;ham6;ham8;acbm;pic;anim;img;sci;scq;scf;scn;sco;pi1;pc1;cel;neo;c64;koa;koala;fli;bml;cdu;prg;tga;pnm;xpm;xcf;jpg;jpeg;tif;tiff;ico;ic2;cur;cm5;pph;info"},
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{FORMAT_ALL_PALETTES, "(pal)", NULL, NULL, NULL, 1, 0, 0, "", "kcf;pal;gpl"},
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{FORMAT_ALL_FILES, "(*.*)", NULL, NULL, NULL, 0, 0, 0, "", "*"},
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{FORMAT_GIF, " gif", Test_GIF, Load_GIF, Save_GIF, 0, 1, 1, "gif", "gif"},
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@ -210,6 +214,7 @@ const T_Format File_formats[] = {
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{FORMAT_PPH, " pph", Test_PPH, Load_PPH, Save_PPH, 0, 0, 1, "pph", "pph"},
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{FORMAT_XPM, " xpm", NULL, NULL, Save_XPM, 0, 0, 0, "xpm", "xpm"},
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{FORMAT_ICO, " ico", Test_ICO, Load_ICO, Save_ICO, 0, 0, 0, "ico", "ico;ic2;cur"},
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{FORMAT_INFO," info",Test_INFO,Load_INFO,NULL, 0, 0, 0, "info", "info"},
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{FORMAT_MISC,"misc.",NULL, NULL, NULL, 0, 0, 0, "", "tga;pnm;xpm;xcf;jpg;jpeg;tif;tiff"},
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};
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