commit 4efdb55807a07e6b644c23d963cee3d2eb899981
parent deec12bf56d20837c6e07ac85d20d6bce26a88bc
Author: ByteProject <stefan.vogt@byteproject.net>
Date: Sun, 19 Feb 2012 16:49:46 +0100
IDF implementation
This one totally sucks because it doesn't work.
Diffstat:
| M | ansilove/ansilove.c | | | 232 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------- |
1 file changed, 164 insertions(+), 68 deletions(-)
diff --git a/ansilove/ansilove.c b/ansilove/ansilove.c
@@ -1552,7 +1552,7 @@ void alArtworxLoader(char *input, char output[], char bits[])
{
for (adf_font_size_y = 0; adf_font_size_y < 16; adf_font_size_y++)
{
- adf_character_line = input_file_buffer[193 + adf_font_size_y + (loop*16)];
+ adf_character_line = input_file_buffer[193 + adf_font_size_y + (loop * 16)];
for (loop_column = 0; loop_column < 8; loop_column++)
{
@@ -1677,79 +1677,175 @@ void alIcedrawLoader(char *input, char output[], char bits[], bool fileHasSAUCE)
// libgd image pointers
gdImagePtr im_IDF, im_Backgrnd, im_Font, im_InvertFont;
+ // create gd image instances
im_Backgrnd = gdImageCreate(128, 16);
im_Font = gdImageCreate(2048, 256);
im_InvertFont = gdImageCreate(2048, 16);
+ // error output
+ if (!im_Backgrnd) {
+ fputs ("\nCan't allocate background buffer image memory.\n\n", stderr); exit (4);
+ }
+ if (!im_Font) {
+ fputs ("\nCan't allocate font buffer image memory.\n\n", stderr); exit (5);
+ }
+ if (!im_InvertFont) {
+ fputs ("\nCan't allocate temporary font buffer image memory.\n\n", stderr); exit (6);
+ }
+
+ // process IDF palette
+ int32_t loop;
+ int32_t index;
+ int32_t colors[21];
+
+ for (loop = 0; loop < 16; loop++)
+ {
+ index = (loop * 3) + input_file_size - 48;
+ colors[loop] = gdImageColorAllocate(im_Backgrnd, (input_file_buffer[index] << 2 | input_file_buffer[index] >> 4),
+ (input_file_buffer[index + 1] << 2 | input_file_buffer[index + 1] >> 4),
+ (input_file_buffer[index + 2] << 2 | input_file_buffer[index + 2] >> 4));
+ }
+ gdImagePaletteCopy(im_Font, im_Backgrnd);
+ gdImagePaletteCopy(im_InvertFont, im_Backgrnd);
+
+ // get and apply RGB values
+ int32_t Red = gdImageRed(im_Backgrnd, 0);
+ int32_t Green = gdImageGreen(im_Backgrnd, 0);
+ int32_t Blue = gdImageBlue(im_Backgrnd, 0);
+
+ colors[16] = gdImageColorAllocate(im_Font, Red, Green, Blue);
+ colors[20] = gdImageColorAllocate(im_InvertFont, 200, 220, 169);
+
+ for (loop = 0; loop < 16; loop++)
+ {
+ gdImageFilledRectangle(im_Backgrnd, loop << 3, 0,
+ (loop << 3) + 8, 16, colors[loop]);
+ }
+
+ // process IDF font
+ gdImageFilledRectangle(im_InvertFont, 0, 0, 2048, 16, colors[20]);
+ gdImageColorTransparent(im_InvertFont, colors[20]);
+
+ int32_t idf_font_size_y, idf_character_line = 0, idf_character_column = 0, loop_column;
+
+ for (loop = 0; loop < 256; loop++)
+ {
+ for (idf_font_size_y = 0; idf_font_size_y < 16; idf_font_size_y++)
+ {
+ idf_character_line = input_file_buffer[input_file_size - 48 - 4096 + idf_font_size_y + (loop * 16)];
+
+ for (loop_column = 0; loop_column < 8; loop_column++)
+ {
+ idf_character_column = 0x80 >> loop_column;
+
+ if ((idf_character_line & idf_character_column) != idf_character_column)
+ {
+ gdImageSetPixel(im_InvertFont, (loop * 8) + loop_column, idf_font_size_y, colors[0]);
+ }
+ }
+ }
+ }
+
+ for (loop = 1; loop < 16; loop++)
+ {
+ gdImageFilledRectangle(im_Font, 0, loop * 16, 2048,(loop * 16) + 16, colors[loop]);
+ }
+ gdImageFilledRectangle(im_Font, 0, 0, 2048, 15, colors[16]);
+
+ for (loop = 0; loop < 16; loop++)
+ {
+ gdImageCopy(im_Font, im_InvertFont, 0, loop * 16, 0, 0, 2048, 16);
+ }
+ gdImageColorTransparent(im_Font, colors[0]);
+
+ // process IDF
+ loop = 12;
+ int32_t idf_sequence_length, idf_sequence_loop, i = 0;
+ unsigned char idf_data[4];
+
+ // dynamic IDF buffer
+ unsigned char *idf_buffer;
+ idf_buffer = (unsigned char *) malloc(sizeof(unsigned char)*input_file_size);
+
+ // typedef IDF data array for better readability
+ typedef enum {
+ data,
+ length,
+ char_attr,
+ } al_idf_data;
+
+ while (loop < input_file_size - 4096 - 48)
+ {
+ idf_data[data] = (input_file_buffer[loop + 1] << 8) + input_file_buffer[loop];
+
+ if (idf_data[data])
+ {
+ idf_data[length] = (input_file_buffer[loop + 3] << 8) + input_file_buffer[loop + 2];
+ idf_sequence_length = idf_data[length] & 255;
+ idf_data[char_attr] = (input_file_buffer[loop + 5] << 8) + input_file_buffer[loop + 4];
+
+ for (idf_sequence_loop = 0; idf_sequence_loop < idf_sequence_length; idf_sequence_loop++)
+ {
+ idf_buffer[i] = idf_data[char_attr];
+ i++;
+ }
+
+ loop += 4;
+ }
+ else {
+ idf_data[data] = (input_file_buffer[loop + 1] << 8) + input_file_buffer[loop];
+
+ idf_buffer[i] = idf_data[char_attr];
+ i++;
+ }
+ loop += 2;
+ }
+
+ // create IDF instance
+ im_IDF = gdImageCreate((x2 + 1) * 8, (sizeof(((int32_t)idf_buffer) / 2 / 80) * 16));
+
+ // error output
+ if (!im_IDF) {
+ fputs ("\nCan't allocate buffer image memory.\n\n", stderr); exit (7);
+ }
+
+ gdImageColorAllocate(im_IDF, 0, 0, 0);
+
+ int32_t position_x = 0, position_y = 0;
+ int32_t character, attribute, color_foreground, color_background;
+
+ for (loop = 0; loop < sizeof(idf_buffer); loop +=2)
+ {
+ if (position_x == x2 + 1)
+ {
+ position_x = 0;
+ position_y++;
+ }
+
+ character = idf_buffer[loop];
+ attribute = idf_buffer[loop];
+
+ color_background = (attribute & 240) >> 4;
+ color_foreground = attribute & 15;
+
+ gdImageCopy(im_IDF, im_Backgrnd, position_x * 8, position_y * 16, color_background * 8, 0, 8, 16);
+ gdImageCopy(im_IDF, im_Font, position_x *8, position_y * 16, character * 8, color_foreground * 16, 8, 16);
+
+ position_x++;
+ }
+
+ // create output file
+ FILE *file_Out = fopen(output, "wb");
+ gdImagePng(im_IDF, file_Out);
+ fclose(file_Out);
+
+ // nuke garbage
+ gdImageDestroy(im_IDF);
+ gdImageDestroy(im_Backgrnd);
+ gdImageDestroy(im_Font);
+ gdImageDestroy(im_InvertFont);
}
-// /*****************************************************************************/
-// /* PROCESS IDF PALETTE */
-// /*****************************************************************************/
-//
-// for ($loop=0;$loop<16;$loop++)
-// {
-// $index=($loop*3)+$input_file_size-48;
-// $colors[$loop]=imagecolorallocate($background,(ord($input_file_buffer[$index])<<2 | ord($input_file_buffer[$index])>>4),(ord($input_file_buffer[$index+1])<<2 | ord($input_file_buffer[$index+1])>>4),(ord($input_file_buffer[$index+2])<<2 | ord($input_file_buffer[$index+2])>>4));
-// }
-//
-// imagepalettecopy($font,$background);
-// imagepalettecopy($font_inverted,$background);
-//
-// $color_index=imagecolorsforindex($background,0);
-// $colors[16]=imagecolorallocate($font,$color_index['red'],$color_index['green'],$color_index['blue']);
-// $colors[20]= imagecolorallocate($font_inverted,200,220,169);
-//
-// for ($loop=0;$loop<16;$loop++)
-// {
-// imagefilledrectangle($background,$loop<<3,0,($loop<<3)+8,16,$colors[$loop]);
-// }
-//
-//
-//
-// /*****************************************************************************/
-// /* PROCESS IDF FONT */
-// /*****************************************************************************/
-//
-// imagefilledrectangle($font_inverted,0,0,2048,16,$colors[20]);
-// imagecolortransparent($font_inverted,$colors[20]);
-//
-// for ($loop=0;$loop<256;$loop++)
-// {
-// for ($idf_font_size_y = 0;$idf_font_size_y<16;$idf_font_size_y++)
-// {
-// $idf_character_line=ord($input_file_buffer[$input_file_size-48-4096+$idf_font_size_y+($loop*16)]);
-//
-// for ($loop_column=0;$loop_column<8;$loop_column++)
-// {
-// $idf_character_column=128/pow(2,$loop_column);
-//
-// if (($idf_character_line & $idf_character_column)!=$idf_character_column)
-// {
-// imagesetpixel($font_inverted,($loop*8)+$loop_column,$idf_font_size_y,$colors[0]);
-// }
-// }
-// }
-// }
-//
-// for ($loop=1;$loop<16;$loop++)
-// {
-// imagefilledrectangle($font,0,$loop*16,2048,($loop*16)+16,$colors[$loop]);
-// }
-// imagefilledrectangle($font,0,0,2048,15,$colors[16]);
-//
-// for ($loop=0;$loop<16;$loop++)
-// {
-// imagecopy($font,$font_inverted,0,$loop*16,0,0,2048,16);
-// }
-// imagecolortransparent($font,$colors[0]);
-//
-//
-//
-// /*****************************************************************************/
-// /* PROCESS IDF */
-// /*****************************************************************************/
-//
// $loop=12;
//
// while ($loop<$input_file_size-4096-48)
