diff options
Diffstat (limited to 'smelt/sdl/CxImage/ximajbg.cpp')
| -rw-r--r-- | smelt/sdl/CxImage/ximajbg.cpp | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/smelt/sdl/CxImage/ximajbg.cpp b/smelt/sdl/CxImage/ximajbg.cpp deleted file mode 100644 index ee7bc10..0000000 --- a/smelt/sdl/CxImage/ximajbg.cpp +++ /dev/null @@ -1,174 +0,0 @@ -/*
- * File: ximajbg.cpp
- * Purpose: Platform Independent JBG Image Class Loader and Writer
- * 18/Aug/2002 Davide Pizzolato - www.xdp.it
- * CxImage version 7.0.0 31/Dec/2010
- */
-
-#include "ximajbg.h"
-
-#if CXIMAGE_SUPPORT_JBG
-
-#include "ximaiter.h"
-
-#define JBIG_BUFSIZE 8192
-
-////////////////////////////////////////////////////////////////////////////////
-#if CXIMAGE_SUPPORT_DECODE
-////////////////////////////////////////////////////////////////////////////////
-bool CxImageJBG::Decode(CxFile *hFile)
-{
- if (hFile == NULL) return false;
-
- struct jbg_dec_state jbig_state;
- uint32_t xmax = 4294967295UL, ymax = 4294967295UL;
- uint32_t len, cnt;
- uint8_t *buffer=0,*p;
- int32_t result;
-
- cx_try
- {
- jbg_dec_init(&jbig_state);
- jbg_dec_maxsize(&jbig_state, xmax, ymax);
-
- buffer = (uint8_t*)malloc(JBIG_BUFSIZE);
- if (!buffer) cx_throw("Sorry, not enough memory available!");
-
- result = JBG_EAGAIN;
- do {
- len = hFile->Read(buffer, 1, JBIG_BUFSIZE);
- if (!len) break;
- cnt = 0;
- p = buffer;
- while (len > 0 && (result == JBG_EAGAIN || result == JBG_EOK)) {
- result = jbg_dec_in(&jbig_state, p, len, &cnt);
- p += cnt;
- len -= cnt;
- }
- } while (result == JBG_EAGAIN || result == JBG_EOK);
-
- if (hFile->Error())
- cx_throw("Problem while reading input file");
- if (result != JBG_EOK && result != JBG_EOK_INTR)
- cx_throw("Problem with input file");
-
- int32_t w, h, bpp, planes, ew;
-
- w = jbg_dec_getwidth(&jbig_state);
- h = jbg_dec_getheight(&jbig_state);
- planes = jbg_dec_getplanes(&jbig_state);
- bpp = (planes+7)>>3;
- ew = (w + 7)>>3;
-
- if (info.nEscape == -1){
- head.biWidth = w;
- head.biHeight= h;
- info.dwType = CXIMAGE_FORMAT_JBG;
- cx_throw("output dimensions returned");
- }
-
- switch (planes){
- case 1:
- {
- uint8_t* binary_image = jbg_dec_getimage(&jbig_state, 0);
-
- if (!Create(w,h,1,CXIMAGE_FORMAT_JBG))
- cx_throw("");
-
- SetPaletteColor(0,255,255,255);
- SetPaletteColor(1,0,0,0);
-
- CImageIterator iter(this);
- iter.Upset();
- for (int32_t i=0;i<h;i++){
- iter.SetRow(binary_image+i*ew,ew);
- iter.PrevRow();
- }
-
- break;
- }
- default:
- cx_throw("cannot decode images with more than 1 plane");
- }
-
- jbg_dec_free(&jbig_state);
- free(buffer);
-
- } cx_catch {
- jbg_dec_free(&jbig_state);
- if (buffer) free(buffer);
- if (strcmp(message,"")) strncpy(info.szLastError,message,255);
- if (info.nEscape == -1 && info.dwType == CXIMAGE_FORMAT_JBG) return true;
- return false;
- }
- return true;
-}
-////////////////////////////////////////////////////////////////////////////////
-#endif //CXIMAGE_SUPPORT_DECODE
-////////////////////////////////////////////////////////////////////////////////
-bool CxImageJBG::Encode(CxFile * hFile)
-{
- if (EncodeSafeCheck(hFile)) return false;
-
- if (head.biBitCount != 1){
- strcpy(info.szLastError,"JBG can save only 1-bpp images");
- return false;
- }
-
- int32_t w, h, bpp, planes, ew, i, j, x, y;
-
- w = head.biWidth;
- h = head.biHeight;
- planes = 1;
- bpp = (planes+7)>>3;
- ew = (w + 7)>>3;
-
- uint8_t mask;
- RGBQUAD *rgb = GetPalette();
- if (CompareColors(&rgb[0],&rgb[1])<0) mask=255; else mask=0;
-
- uint8_t *buffer = (uint8_t*)malloc(ew*h*2);
- if (!buffer) {
- strcpy(info.szLastError,"Sorry, not enough memory available!");
- return false;
- }
-
- for (y=0; y<h; y++){
- i= y*ew;
- j= (h-y-1)*info.dwEffWidth;
- for (x=0; x<ew; x++){
- buffer[i + x]=info.pImage[j + x]^mask;
- }
- }
-
- struct jbg_enc_state jbig_state;
- jbg_enc_init(&jbig_state, w, h, planes, &buffer, jbig_data_out, hFile);
-
- //jbg_enc_layers(&jbig_state, 2);
- //jbg_enc_lrlmax(&jbig_state, 800, 600);
-
- // Specify a few other options (each is ignored if negative)
- int32_t dl = -1, dh = -1, d = -1, l0 = -1, mx = -1;
- int32_t options = JBG_TPDON | JBG_TPBON | JBG_DPON;
- int32_t order = JBG_ILEAVE | JBG_SMID;
- jbg_enc_lrange(&jbig_state, dl, dh);
- jbg_enc_options(&jbig_state, order, options, l0, mx, -1);
-
- // now encode everything and send it to data_out()
- jbg_enc_out(&jbig_state);
-
- // give encoder a chance to free its temporary data structures
- jbg_enc_free(&jbig_state);
-
- free(buffer);
-
- if (hFile->Error()){
- strcpy(info.szLastError,"Problem while writing JBG file");
- return false;
- }
-
- return true;
-}
-////////////////////////////////////////////////////////////////////////////////
-#endif // CXIMAGE_SUPPORT_JBG
-
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