diff options
Diffstat (limited to 'nGenEx/PCX.CPP')
| -rw-r--r-- | nGenEx/PCX.CPP | 918 |
1 files changed, 459 insertions, 459 deletions
diff --git a/nGenEx/PCX.CPP b/nGenEx/PCX.CPP index 095df11..e510eab 100644 --- a/nGenEx/PCX.CPP +++ b/nGenEx/PCX.CPP @@ -1,15 +1,15 @@ /* Project nGenEx
- Destroyer Studios LLC
- Copyright © 1997-2004. All Rights Reserved.
+ Destroyer Studios LLC
+ Copyright © 1997-2004. All Rights Reserved.
- SUBSYSTEM: nGenEx.lib
- FILE: PCX.cpp
- AUTHOR: John DiCamillo
+ SUBSYSTEM: nGenEx.lib
+ FILE: PCX.cpp
+ AUTHOR: John DiCamillo
- OVERVIEW
- ========
- PCX image file loader
+ OVERVIEW
+ ========
+ PCX image file loader
*/
@@ -29,488 +29,488 @@ enum { BYTEMODE, RUNMODE }; // +--------------------------------------------------------------------+
PcxImage::PcxImage()
- : width(0), height(0), bitmap(0), himap(0), imagebytes(0)
+: width(0), height(0), bitmap(0), himap(0), imagebytes(0)
{ }
PcxImage::PcxImage(short w, short h, unsigned char* bits, unsigned char* colors)
- : bitmap(0), himap(0)
+: bitmap(0), himap(0)
{
- hdr.manufacturer = 10; // Always set to 10
- hdr.version = 5; // Always 5 for 256-color files
- hdr.encoding = 1; // Always set to 1
- hdr.bits_per_pixel = 8; // Should be 8 for 256-color files
- hdr.xmin = 0;
- hdr.xmax = w-1;
- hdr.ymin = 0;
- hdr.ymax = h-1;
- hdr.hres = 0x48;
- hdr.vres = 0x48;
-
- hdr.palette16[ 0] = (unsigned char) 0x00;
- hdr.palette16[ 1] = (unsigned char) 0x00;
- hdr.palette16[ 2] = (unsigned char) 0x00;
- hdr.palette16[ 3] = (unsigned char) 0x80;
- hdr.palette16[ 4] = (unsigned char) 0x00;
- hdr.palette16[ 5] = (unsigned char) 0x00;
- hdr.palette16[ 6] = (unsigned char) 0x00;
- hdr.palette16[ 7] = (unsigned char) 0x80;
- hdr.palette16[ 8] = (unsigned char) 0x00;
- hdr.palette16[ 9] = (unsigned char) 0x80;
- hdr.palette16[10] = (unsigned char) 0x80;
- hdr.palette16[11] = (unsigned char) 0x00;
- hdr.palette16[12] = (unsigned char) 0x00;
- hdr.palette16[13] = (unsigned char) 0x00;
- hdr.palette16[14] = (unsigned char) 0x80;
- hdr.palette16[15] = (unsigned char) 0x80;
-
- hdr.palette16[16] = (unsigned char) 0x00;
- hdr.palette16[17] = (unsigned char) 0x80;
- hdr.palette16[18] = (unsigned char) 0x00;
- hdr.palette16[19] = (unsigned char) 0x80;
- hdr.palette16[20] = (unsigned char) 0x80;
- hdr.palette16[21] = (unsigned char) 0xC0;
- hdr.palette16[22] = (unsigned char) 0xC0;
- hdr.palette16[23] = (unsigned char) 0xC0;
- hdr.palette16[24] = (unsigned char) 0xC0;
- hdr.palette16[25] = (unsigned char) 0xDC;
- hdr.palette16[26] = (unsigned char) 0xC0;
- hdr.palette16[27] = (unsigned char) 0xA6;
- hdr.palette16[28] = (unsigned char) 0xCA;
- hdr.palette16[29] = (unsigned char) 0xF0;
- hdr.palette16[30] = (unsigned char) 0x33;
- hdr.palette16[31] = (unsigned char) 0x2B;
-
- hdr.palette16[32] = (unsigned char) 0x1F;
- hdr.palette16[33] = (unsigned char) 0x2B;
- hdr.palette16[34] = (unsigned char) 0x23;
- hdr.palette16[35] = (unsigned char) 0x1B;
- hdr.palette16[36] = (unsigned char) 0x5F;
- hdr.palette16[37] = (unsigned char) 0x5F;
- hdr.palette16[38] = (unsigned char) 0x5F;
- hdr.palette16[39] = (unsigned char) 0x2F;
- hdr.palette16[40] = (unsigned char) 0x2F;
- hdr.palette16[41] = (unsigned char) 0x2F;
- hdr.palette16[42] = (unsigned char) 0x27;
- hdr.palette16[43] = (unsigned char) 0x27;
- hdr.palette16[44] = (unsigned char) 0x27;
- hdr.palette16[45] = (unsigned char) 0x1F;
- hdr.palette16[46] = (unsigned char) 0x1F;
- hdr.palette16[47] = (unsigned char) 0x1F;
-
- hdr.reserved = 0; // Reserved for future use
- hdr.color_planes = 1; // Color planes
- hdr.bytes_per_line = w; // Number of bytes in 1 line of pixels
- hdr.palette_type = 1; // Should be 1 for color palette
-
- for (unsigned int i = 0; i < 58; i++)
- hdr.filler[i] = 0;
-
- width = w;
- height = h;
- imagebytes = width * height;
-
- bitmap = new(__FILE__,__LINE__) unsigned char [imagebytes];
-
- if (bitmap) {
- for (unsigned long i = 0; i < imagebytes; i++)
- bitmap[i] = bits[i];
-
- unsigned char* p = pal;
- for (int i = 0; i < 256; i++) {
- *p++ = *colors++;
- *p++ = *colors++;
- *p++ = *colors++;
- colors++;
- }
- }
+ hdr.manufacturer = 10; // Always set to 10
+ hdr.version = 5; // Always 5 for 256-color files
+ hdr.encoding = 1; // Always set to 1
+ hdr.bits_per_pixel = 8; // Should be 8 for 256-color files
+ hdr.xmin = 0;
+ hdr.xmax = w-1;
+ hdr.ymin = 0;
+ hdr.ymax = h-1;
+ hdr.hres = 0x48;
+ hdr.vres = 0x48;
+
+ hdr.palette16[ 0] = (unsigned char) 0x00;
+ hdr.palette16[ 1] = (unsigned char) 0x00;
+ hdr.palette16[ 2] = (unsigned char) 0x00;
+ hdr.palette16[ 3] = (unsigned char) 0x80;
+ hdr.palette16[ 4] = (unsigned char) 0x00;
+ hdr.palette16[ 5] = (unsigned char) 0x00;
+ hdr.palette16[ 6] = (unsigned char) 0x00;
+ hdr.palette16[ 7] = (unsigned char) 0x80;
+ hdr.palette16[ 8] = (unsigned char) 0x00;
+ hdr.palette16[ 9] = (unsigned char) 0x80;
+ hdr.palette16[10] = (unsigned char) 0x80;
+ hdr.palette16[11] = (unsigned char) 0x00;
+ hdr.palette16[12] = (unsigned char) 0x00;
+ hdr.palette16[13] = (unsigned char) 0x00;
+ hdr.palette16[14] = (unsigned char) 0x80;
+ hdr.palette16[15] = (unsigned char) 0x80;
+
+ hdr.palette16[16] = (unsigned char) 0x00;
+ hdr.palette16[17] = (unsigned char) 0x80;
+ hdr.palette16[18] = (unsigned char) 0x00;
+ hdr.palette16[19] = (unsigned char) 0x80;
+ hdr.palette16[20] = (unsigned char) 0x80;
+ hdr.palette16[21] = (unsigned char) 0xC0;
+ hdr.palette16[22] = (unsigned char) 0xC0;
+ hdr.palette16[23] = (unsigned char) 0xC0;
+ hdr.palette16[24] = (unsigned char) 0xC0;
+ hdr.palette16[25] = (unsigned char) 0xDC;
+ hdr.palette16[26] = (unsigned char) 0xC0;
+ hdr.palette16[27] = (unsigned char) 0xA6;
+ hdr.palette16[28] = (unsigned char) 0xCA;
+ hdr.palette16[29] = (unsigned char) 0xF0;
+ hdr.palette16[30] = (unsigned char) 0x33;
+ hdr.palette16[31] = (unsigned char) 0x2B;
+
+ hdr.palette16[32] = (unsigned char) 0x1F;
+ hdr.palette16[33] = (unsigned char) 0x2B;
+ hdr.palette16[34] = (unsigned char) 0x23;
+ hdr.palette16[35] = (unsigned char) 0x1B;
+ hdr.palette16[36] = (unsigned char) 0x5F;
+ hdr.palette16[37] = (unsigned char) 0x5F;
+ hdr.palette16[38] = (unsigned char) 0x5F;
+ hdr.palette16[39] = (unsigned char) 0x2F;
+ hdr.palette16[40] = (unsigned char) 0x2F;
+ hdr.palette16[41] = (unsigned char) 0x2F;
+ hdr.palette16[42] = (unsigned char) 0x27;
+ hdr.palette16[43] = (unsigned char) 0x27;
+ hdr.palette16[44] = (unsigned char) 0x27;
+ hdr.palette16[45] = (unsigned char) 0x1F;
+ hdr.palette16[46] = (unsigned char) 0x1F;
+ hdr.palette16[47] = (unsigned char) 0x1F;
+
+ hdr.reserved = 0; // Reserved for future use
+ hdr.color_planes = 1; // Color planes
+ hdr.bytes_per_line = w; // Number of bytes in 1 line of pixels
+ hdr.palette_type = 1; // Should be 1 for color palette
+
+ for (unsigned int i = 0; i < 58; i++)
+ hdr.filler[i] = 0;
+
+ width = w;
+ height = h;
+ imagebytes = width * height;
+
+ bitmap = new(__FILE__,__LINE__) unsigned char [imagebytes];
+
+ if (bitmap) {
+ for (unsigned long i = 0; i < imagebytes; i++)
+ bitmap[i] = bits[i];
+
+ unsigned char* p = pal;
+ for (int i = 0; i < 256; i++) {
+ *p++ = *colors++;
+ *p++ = *colors++;
+ *p++ = *colors++;
+ colors++;
+ }
+ }
}
PcxImage::PcxImage(short w, short h, unsigned long* hibits)
- : bitmap(0), himap(0)
+: bitmap(0), himap(0)
{
- hdr.manufacturer = 10; // Always set to 10
- hdr.version = 5; // Always 5 for true color files
- hdr.encoding = 1; // Always set to 1
- hdr.bits_per_pixel = 8; // Should be 8 for true color files
- hdr.xmin = 0;
- hdr.xmax = w-1;
- hdr.ymin = 0;
- hdr.ymax = h-1;
- hdr.hres = 0x48;
- hdr.vres = 0x48;
-
- hdr.palette16[ 0] = (unsigned char) 0x00;
- hdr.palette16[ 1] = (unsigned char) 0x00;
- hdr.palette16[ 2] = (unsigned char) 0x00;
- hdr.palette16[ 3] = (unsigned char) 0x80;
- hdr.palette16[ 4] = (unsigned char) 0x00;
- hdr.palette16[ 5] = (unsigned char) 0x00;
- hdr.palette16[ 6] = (unsigned char) 0x00;
- hdr.palette16[ 7] = (unsigned char) 0x80;
- hdr.palette16[ 8] = (unsigned char) 0x00;
- hdr.palette16[ 9] = (unsigned char) 0x80;
- hdr.palette16[10] = (unsigned char) 0x80;
- hdr.palette16[11] = (unsigned char) 0x00;
- hdr.palette16[12] = (unsigned char) 0x00;
- hdr.palette16[13] = (unsigned char) 0x00;
- hdr.palette16[14] = (unsigned char) 0x80;
- hdr.palette16[15] = (unsigned char) 0x80;
-
- hdr.palette16[16] = (unsigned char) 0x00;
- hdr.palette16[17] = (unsigned char) 0x80;
- hdr.palette16[18] = (unsigned char) 0x00;
- hdr.palette16[19] = (unsigned char) 0x80;
- hdr.palette16[20] = (unsigned char) 0x80;
- hdr.palette16[21] = (unsigned char) 0xC0;
- hdr.palette16[22] = (unsigned char) 0xC0;
- hdr.palette16[23] = (unsigned char) 0xC0;
- hdr.palette16[24] = (unsigned char) 0xC0;
- hdr.palette16[25] = (unsigned char) 0xDC;
- hdr.palette16[26] = (unsigned char) 0xC0;
- hdr.palette16[27] = (unsigned char) 0xA6;
- hdr.palette16[28] = (unsigned char) 0xCA;
- hdr.palette16[29] = (unsigned char) 0xF0;
- hdr.palette16[30] = (unsigned char) 0x33;
- hdr.palette16[31] = (unsigned char) 0x2B;
-
- hdr.palette16[32] = (unsigned char) 0x1F;
- hdr.palette16[33] = (unsigned char) 0x2B;
- hdr.palette16[34] = (unsigned char) 0x23;
- hdr.palette16[35] = (unsigned char) 0x1B;
- hdr.palette16[36] = (unsigned char) 0x5F;
- hdr.palette16[37] = (unsigned char) 0x5F;
- hdr.palette16[38] = (unsigned char) 0x5F;
- hdr.palette16[39] = (unsigned char) 0x2F;
- hdr.palette16[40] = (unsigned char) 0x2F;
- hdr.palette16[41] = (unsigned char) 0x2F;
- hdr.palette16[42] = (unsigned char) 0x27;
- hdr.palette16[43] = (unsigned char) 0x27;
- hdr.palette16[44] = (unsigned char) 0x27;
- hdr.palette16[45] = (unsigned char) 0x1F;
- hdr.palette16[46] = (unsigned char) 0x1F;
- hdr.palette16[47] = (unsigned char) 0x1F;
-
- hdr.reserved = 0; // Reserved for future use
- hdr.color_planes = 3; // Color planes
- hdr.bytes_per_line = w; // Number of bytes in 1 line of pixels
- hdr.palette_type = 1; // Should be 1 for color palette
-
- for (unsigned int i = 0; i < 58; i++)
- hdr.filler[i] = 0;
-
- width = w;
- height = h;
- imagebytes = width * height;
-
- himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
-
- if (himap) {
- for (unsigned long i = 0; i < imagebytes; i++)
- himap[i] = hibits[i];
- }
+ hdr.manufacturer = 10; // Always set to 10
+ hdr.version = 5; // Always 5 for true color files
+ hdr.encoding = 1; // Always set to 1
+ hdr.bits_per_pixel = 8; // Should be 8 for true color files
+ hdr.xmin = 0;
+ hdr.xmax = w-1;
+ hdr.ymin = 0;
+ hdr.ymax = h-1;
+ hdr.hres = 0x48;
+ hdr.vres = 0x48;
+
+ hdr.palette16[ 0] = (unsigned char) 0x00;
+ hdr.palette16[ 1] = (unsigned char) 0x00;
+ hdr.palette16[ 2] = (unsigned char) 0x00;
+ hdr.palette16[ 3] = (unsigned char) 0x80;
+ hdr.palette16[ 4] = (unsigned char) 0x00;
+ hdr.palette16[ 5] = (unsigned char) 0x00;
+ hdr.palette16[ 6] = (unsigned char) 0x00;
+ hdr.palette16[ 7] = (unsigned char) 0x80;
+ hdr.palette16[ 8] = (unsigned char) 0x00;
+ hdr.palette16[ 9] = (unsigned char) 0x80;
+ hdr.palette16[10] = (unsigned char) 0x80;
+ hdr.palette16[11] = (unsigned char) 0x00;
+ hdr.palette16[12] = (unsigned char) 0x00;
+ hdr.palette16[13] = (unsigned char) 0x00;
+ hdr.palette16[14] = (unsigned char) 0x80;
+ hdr.palette16[15] = (unsigned char) 0x80;
+
+ hdr.palette16[16] = (unsigned char) 0x00;
+ hdr.palette16[17] = (unsigned char) 0x80;
+ hdr.palette16[18] = (unsigned char) 0x00;
+ hdr.palette16[19] = (unsigned char) 0x80;
+ hdr.palette16[20] = (unsigned char) 0x80;
+ hdr.palette16[21] = (unsigned char) 0xC0;
+ hdr.palette16[22] = (unsigned char) 0xC0;
+ hdr.palette16[23] = (unsigned char) 0xC0;
+ hdr.palette16[24] = (unsigned char) 0xC0;
+ hdr.palette16[25] = (unsigned char) 0xDC;
+ hdr.palette16[26] = (unsigned char) 0xC0;
+ hdr.palette16[27] = (unsigned char) 0xA6;
+ hdr.palette16[28] = (unsigned char) 0xCA;
+ hdr.palette16[29] = (unsigned char) 0xF0;
+ hdr.palette16[30] = (unsigned char) 0x33;
+ hdr.palette16[31] = (unsigned char) 0x2B;
+
+ hdr.palette16[32] = (unsigned char) 0x1F;
+ hdr.palette16[33] = (unsigned char) 0x2B;
+ hdr.palette16[34] = (unsigned char) 0x23;
+ hdr.palette16[35] = (unsigned char) 0x1B;
+ hdr.palette16[36] = (unsigned char) 0x5F;
+ hdr.palette16[37] = (unsigned char) 0x5F;
+ hdr.palette16[38] = (unsigned char) 0x5F;
+ hdr.palette16[39] = (unsigned char) 0x2F;
+ hdr.palette16[40] = (unsigned char) 0x2F;
+ hdr.palette16[41] = (unsigned char) 0x2F;
+ hdr.palette16[42] = (unsigned char) 0x27;
+ hdr.palette16[43] = (unsigned char) 0x27;
+ hdr.palette16[44] = (unsigned char) 0x27;
+ hdr.palette16[45] = (unsigned char) 0x1F;
+ hdr.palette16[46] = (unsigned char) 0x1F;
+ hdr.palette16[47] = (unsigned char) 0x1F;
+
+ hdr.reserved = 0; // Reserved for future use
+ hdr.color_planes = 3; // Color planes
+ hdr.bytes_per_line = w; // Number of bytes in 1 line of pixels
+ hdr.palette_type = 1; // Should be 1 for color palette
+
+ for (unsigned int i = 0; i < 58; i++)
+ hdr.filler[i] = 0;
+
+ width = w;
+ height = h;
+ imagebytes = width * height;
+
+ himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
+
+ if (himap) {
+ for (unsigned long i = 0; i < imagebytes; i++)
+ himap[i] = hibits[i];
+ }
}
PcxImage::~PcxImage()
{
- delete [] bitmap;
- delete [] himap;
+ delete [] bitmap;
+ delete [] himap;
}
// +--------------------------------------------------------------------+
int PcxImage::Load(char *filename)
{
- unsigned long i;
- short mode=BYTEMODE, bytecount;
- unsigned char abyte, *p;
- FILE *f;
+ unsigned long i;
+ short mode=BYTEMODE, bytecount;
+ unsigned char abyte, *p;
+ FILE *f;
fopen_s(&f, filename,"rb");
- if (f == NULL)
- return PCX_NOFILE;
-
- fread(&hdr, sizeof(PcxHeader), 1, f);
-
- // read 256 color PCX file
- if (hdr.color_planes == 1) {
- width = 1 + hdr.xmax - hdr.xmin;
- height = 1 + hdr.ymax - hdr.ymin;
- imagebytes = width * height;
-
- if (imagebytes > MAX_SIZE)
- return PCX_TOOBIG;
-
- // get palette from pcx file
- fseek(f,-768L,SEEK_END);
- fread(pal,768,1,f);
-
- // now go back and read the pixel data:
- fseek(f,sizeof(PcxHeader),SEEK_SET);
-
- delete [] himap; himap = 0;
- delete [] bitmap; bitmap = 0;
-
- himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
- if (himap == NULL)
- return PCX_NOMEM;
-
- // force alpha channel to 255
- memset(himap, 0xff, imagebytes*4);
-
- unsigned long* pix = himap;
- for (i=0; i<imagebytes; i++) {
- if (mode == BYTEMODE) {
- abyte = fgetc(f);
-
- if (abyte > 0xbf) {
- bytecount = abyte & 0x3f;
- abyte = fgetc(f);
- if (--bytecount > 0)
- mode = RUNMODE;
- }
- }
- else if (--bytecount == 0) {
- mode = BYTEMODE;
- }
-
- *pix++ = 0xff000000 | (pal[3*abyte] << 16) | (pal[3*abyte+1] << 8) | (pal[3*abyte+2]);
- }
- }
-
- // read 24-bit (true COLOR) PCX file
- else {
- width = 1 + hdr.xmax - hdr.xmin;
- height = 1 + hdr.ymax - hdr.ymin;
- imagebytes = width * height;
-
- if (imagebytes > MAX_SIZE)
- return PCX_TOOBIG;
-
- delete [] himap; himap = 0;
- delete [] bitmap; bitmap = 0;
-
- himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
- if (himap == NULL)
- return PCX_NOMEM;
-
- // force alpha channel to 255
- memset(himap, 0xff, imagebytes*4);
-
- for (int row = 0; row < height; row++) {
- // RED, GREEN, BLUE
- for (int plane = 2; plane >= 0; plane--) {
- p = ((unsigned char*) himap) + width*row*4 + plane;
- for (int col = 0; col < width; col++) {
- if (mode == BYTEMODE) {
- abyte = fgetc(f);
-
- if (abyte > 0xbf) {
- bytecount = abyte & 0x3f;
- abyte = fgetc(f);
- if (--bytecount > 0)
- mode = RUNMODE;
- }
- }
- else if (--bytecount == 0) {
- mode = BYTEMODE;
- }
-
- *p = abyte;
- p += 4;
- }
- }
- }
- }
-
- fclose(f);
- return PCX_OK;
+ if (f == NULL)
+ return PCX_NOFILE;
+
+ fread(&hdr, sizeof(PcxHeader), 1, f);
+
+ // read 256 color PCX file
+ if (hdr.color_planes == 1) {
+ width = 1 + hdr.xmax - hdr.xmin;
+ height = 1 + hdr.ymax - hdr.ymin;
+ imagebytes = width * height;
+
+ if (imagebytes > MAX_SIZE)
+ return PCX_TOOBIG;
+
+ // get palette from pcx file
+ fseek(f,-768L,SEEK_END);
+ fread(pal,768,1,f);
+
+ // now go back and read the pixel data:
+ fseek(f,sizeof(PcxHeader),SEEK_SET);
+
+ delete [] himap; himap = 0;
+ delete [] bitmap; bitmap = 0;
+
+ himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
+ if (himap == NULL)
+ return PCX_NOMEM;
+
+ // force alpha channel to 255
+ memset(himap, 0xff, imagebytes*4);
+
+ unsigned long* pix = himap;
+ for (i=0; i<imagebytes; i++) {
+ if (mode == BYTEMODE) {
+ abyte = fgetc(f);
+
+ if (abyte > 0xbf) {
+ bytecount = abyte & 0x3f;
+ abyte = fgetc(f);
+ if (--bytecount > 0)
+ mode = RUNMODE;
+ }
+ }
+ else if (--bytecount == 0) {
+ mode = BYTEMODE;
+ }
+
+ *pix++ = 0xff000000 | (pal[3*abyte] << 16) | (pal[3*abyte+1] << 8) | (pal[3*abyte+2]);
+ }
+ }
+
+ // read 24-bit (true COLOR) PCX file
+ else {
+ width = 1 + hdr.xmax - hdr.xmin;
+ height = 1 + hdr.ymax - hdr.ymin;
+ imagebytes = width * height;
+
+ if (imagebytes > MAX_SIZE)
+ return PCX_TOOBIG;
+
+ delete [] himap; himap = 0;
+ delete [] bitmap; bitmap = 0;
+
+ himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
+ if (himap == NULL)
+ return PCX_NOMEM;
+
+ // force alpha channel to 255
+ memset(himap, 0xff, imagebytes*4);
+
+ for (int row = 0; row < height; row++) {
+ // RED, GREEN, BLUE
+ for (int plane = 2; plane >= 0; plane--) {
+ p = ((unsigned char*) himap) + width*row*4 + plane;
+ for (int col = 0; col < width; col++) {
+ if (mode == BYTEMODE) {
+ abyte = fgetc(f);
+
+ if (abyte > 0xbf) {
+ bytecount = abyte & 0x3f;
+ abyte = fgetc(f);
+ if (--bytecount > 0)
+ mode = RUNMODE;
+ }
+ }
+ else if (--bytecount == 0) {
+ mode = BYTEMODE;
+ }
+
+ *p = abyte;
+ p += 4;
+ }
+ }
+ }
+ }
+
+ fclose(f);
+ return PCX_OK;
}
// +--------------------------------------------------------------------+
int PcxImage::LoadBuffer(unsigned char* buf, int len)
{
- unsigned long i;
- short mode=BYTEMODE, bytecount;
- unsigned char abyte, *p;
- unsigned char* fp;
-
- if (buf == NULL)
- return PCX_NOFILE;
-
- fp = buf;
- memcpy(&hdr, buf, sizeof(PcxHeader));
- fp += sizeof(PcxHeader);
-
- // read 256 color PCX file
- if (hdr.color_planes == 1) {
- width = 1 + hdr.xmax - hdr.xmin;
- height = 1 + hdr.ymax - hdr.ymin;
- imagebytes = width * height;
-
- if (imagebytes > MAX_SIZE)
- return PCX_TOOBIG;
-
- // get palette from end of pcx file
- memcpy(pal,buf+len-768,768);
-
- delete [] himap; himap = 0;
- delete [] bitmap; bitmap = 0;
-
- himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
- if (himap == NULL)
- return PCX_NOMEM;
-
- memset(himap, 0, imagebytes*4);
-
- unsigned long* pix = himap;
- for (i=0; i<imagebytes; i++) {
- if (mode == BYTEMODE) {
- abyte = *fp++;
-
- if (abyte > 0xbf) {
- bytecount = abyte & 0x3f;
- abyte = *fp++;
- if (--bytecount > 0)
- mode = RUNMODE;
- }
- }
- else if (--bytecount == 0) {
- mode = BYTEMODE;
- }
-
- *pix++ = 0xff000000 | (pal[3*abyte] << 16) | (pal[3*abyte+1] << 8) | (pal[3*abyte+2]);
- }
- }
-
- // read 24-bit (true COLOR) PCX file
- else {
- width = 1 + hdr.xmax - hdr.xmin;
- height = 1 + hdr.ymax - hdr.ymin;
- imagebytes = width * height;
-
- if (imagebytes > MAX_SIZE)
- return PCX_TOOBIG;
-
- delete [] himap; himap = 0;
- delete [] bitmap; bitmap = 0;
-
- himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
- if (himap == NULL)
- return PCX_NOMEM;
-
- memset(himap, 0, imagebytes*4);
-
- for (int row = 0; row < height; row++) {
- // RED, GREEN, BLUE
- for (int plane = 2; plane >= 0; plane--) {
- p = ((unsigned char*) himap) + width*row*4 + plane;
- for (int col = 0; col < width; col++) {
- if (mode == BYTEMODE) {
- abyte = *fp++;
-
- if (abyte > 0xbf) {
- bytecount = abyte & 0x3f;
- abyte = *fp++;
- if (--bytecount > 0)
- mode = RUNMODE;
- }
- }
- else if (--bytecount == 0) {
- mode = BYTEMODE;
- }
-
- *p = abyte;
- p += 4;
- }
- }
- }
- }
-
- return PCX_OK;
+ unsigned long i;
+ short mode=BYTEMODE, bytecount;
+ unsigned char abyte, *p;
+ unsigned char* fp;
+
+ if (buf == NULL)
+ return PCX_NOFILE;
+
+ fp = buf;
+ memcpy(&hdr, buf, sizeof(PcxHeader));
+ fp += sizeof(PcxHeader);
+
+ // read 256 color PCX file
+ if (hdr.color_planes == 1) {
+ width = 1 + hdr.xmax - hdr.xmin;
+ height = 1 + hdr.ymax - hdr.ymin;
+ imagebytes = width * height;
+
+ if (imagebytes > MAX_SIZE)
+ return PCX_TOOBIG;
+
+ // get palette from end of pcx file
+ memcpy(pal,buf+len-768,768);
+
+ delete [] himap; himap = 0;
+ delete [] bitmap; bitmap = 0;
+
+ himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
+ if (himap == NULL)
+ return PCX_NOMEM;
+
+ memset(himap, 0, imagebytes*4);
+
+ unsigned long* pix = himap;
+ for (i=0; i<imagebytes; i++) {
+ if (mode == BYTEMODE) {
+ abyte = *fp++;
+
+ if (abyte > 0xbf) {
+ bytecount = abyte & 0x3f;
+ abyte = *fp++;
+ if (--bytecount > 0)
+ mode = RUNMODE;
+ }
+ }
+ else if (--bytecount == 0) {
+ mode = BYTEMODE;
+ }
+
+ *pix++ = 0xff000000 | (pal[3*abyte] << 16) | (pal[3*abyte+1] << 8) | (pal[3*abyte+2]);
+ }
+ }
+
+ // read 24-bit (true COLOR) PCX file
+ else {
+ width = 1 + hdr.xmax - hdr.xmin;
+ height = 1 + hdr.ymax - hdr.ymin;
+ imagebytes = width * height;
+
+ if (imagebytes > MAX_SIZE)
+ return PCX_TOOBIG;
+
+ delete [] himap; himap = 0;
+ delete [] bitmap; bitmap = 0;
+
+ himap = new(__FILE__,__LINE__) unsigned long [imagebytes];
+ if (himap == NULL)
+ return PCX_NOMEM;
+
+ memset(himap, 0, imagebytes*4);
+
+ for (int row = 0; row < height; row++) {
+ // RED, GREEN, BLUE
+ for (int plane = 2; plane >= 0; plane--) {
+ p = ((unsigned char*) himap) + width*row*4 + plane;
+ for (int col = 0; col < width; col++) {
+ if (mode == BYTEMODE) {
+ abyte = *fp++;
+
+ if (abyte > 0xbf) {
+ bytecount = abyte & 0x3f;
+ abyte = *fp++;
+ if (--bytecount > 0)
+ mode = RUNMODE;
+ }
+ }
+ else if (--bytecount == 0) {
+ mode = BYTEMODE;
+ }
+
+ *p = abyte;
+ p += 4;
+ }
+ }
+ }
+ }
+
+ return PCX_OK;
}
// +--------------------------------------------------------------------+
int PcxImage::Save(char *filename)
{
- short mode=BYTEMODE;
- FILE *f;
-
- fopen_s(&f, filename,"wb");
- if (f == NULL)
- return PCX_NOFILE;
-
- fwrite(&hdr, sizeof(PcxHeader), 1, f);
-
- if (hdr.color_planes == 1) {
- unsigned char *p = bitmap;
- unsigned long total = imagebytes;
- unsigned long row = 0;
- unsigned char palette_marker = 12;
-
- while (total) {
- unsigned char* start = p;
- unsigned char count = 0;
-
- while (*start == *p && count < 0x3f && row < width) {
- p++;
- count++;
- row++;
- }
-
- if (count > 1 || *start > 0xbf) {
- unsigned char b[2];
- b[0] = 0xc0 | count;
- b[1] = *start;
- fwrite(b, 2, 1, f);
- }
- else {
- fwrite(start, 1, 1, f);
- }
-
- total -= count;
-
- if (row == width)
- row = 0;
- }
-
- fwrite(&palette_marker,1,1,f);
- fwrite(pal,768,1,f);
- }
-
- // write 24-bit (TRUE COLOR) PCX file
- else {
- for (int row = 0; row < height; row++) {
- for (int plane = 2; plane >= 0; plane--) {
- unsigned long col = 0;
- unsigned char* p = ((unsigned char*) himap) + width*row*4 + plane;
-
- while (col < width) {
- unsigned char* start = p;
- unsigned char count = 0;
-
- while (*start == *p && count < 0x3f && col < width) {
- p += 4;
- count++;
- col++;
- }
-
- if (count > 1 || *start > 0xbf) {
- unsigned char b[2];
- b[0] = 0xc0 | count;
- b[1] = *start;
- fwrite(b, 2, 1, f);
- }
- else {
- fwrite(start, 1, 1, f);
- }
- }
- }
- }
- }
-
- fclose(f);
- return PCX_OK; // return success
+ short mode=BYTEMODE;
+ FILE *f;
+
+ fopen_s(&f, filename,"wb");
+ if (f == NULL)
+ return PCX_NOFILE;
+
+ fwrite(&hdr, sizeof(PcxHeader), 1, f);
+
+ if (hdr.color_planes == 1) {
+ unsigned char *p = bitmap;
+ unsigned long total = imagebytes;
+ unsigned long row = 0;
+ unsigned char palette_marker = 12;
+
+ while (total) {
+ unsigned char* start = p;
+ unsigned char count = 0;
+
+ while (*start == *p && count < 0x3f && row < width) {
+ p++;
+ count++;
+ row++;
+ }
+
+ if (count > 1 || *start > 0xbf) {
+ unsigned char b[2];
+ b[0] = 0xc0 | count;
+ b[1] = *start;
+ fwrite(b, 2, 1, f);
+ }
+ else {
+ fwrite(start, 1, 1, f);
+ }
+
+ total -= count;
+
+ if (row == width)
+ row = 0;
+ }
+
+ fwrite(&palette_marker,1,1,f);
+ fwrite(pal,768,1,f);
+ }
+
+ // write 24-bit (TRUE COLOR) PCX file
+ else {
+ for (int row = 0; row < height; row++) {
+ for (int plane = 2; plane >= 0; plane--) {
+ unsigned long col = 0;
+ unsigned char* p = ((unsigned char*) himap) + width*row*4 + plane;
+
+ while (col < width) {
+ unsigned char* start = p;
+ unsigned char count = 0;
+
+ while (*start == *p && count < 0x3f && col < width) {
+ p += 4;
+ count++;
+ col++;
+ }
+
+ if (count > 1 || *start > 0xbf) {
+ unsigned char b[2];
+ b[0] = 0xc0 | count;
+ b[1] = *start;
+ fwrite(b, 2, 1, f);
+ }
+ else {
+ fwrite(start, 1, 1, f);
+ }
+ }
+ }
+ }
+ }
+
+ fclose(f);
+ return PCX_OK; // return success
}
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