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path: root/noncore/apps/opie-reader/Palm2QImage.cpp
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-rw-r--r--noncore/apps/opie-reader/Palm2QImage.cpp55
1 files changed, 33 insertions, 22 deletions
diff --git a/noncore/apps/opie-reader/Palm2QImage.cpp b/noncore/apps/opie-reader/Palm2QImage.cpp
index 9339595..b0d4e00 100644
--- a/noncore/apps/opie-reader/Palm2QImage.cpp
+++ b/noncore/apps/opie-reader/Palm2QImage.cpp
@@ -1,18 +1,25 @@
1/* -*- mode: c; indent-tabs-mode: nil; -*- */ 1/* -*- mode: c; indent-tabs-mode: nil; -*- */
2
3/* OPIE */
4#include <opie2/odebug.h>
5
6/* QT */
7#include <qimage.h>
8
9/* STD */
2#include <stdio.h> 10#include <stdio.h>
3#include <stdlib.h> 11#include <stdlib.h>
4#include <string.h> 12#include <string.h>
5#ifndef _WINDOWS 13#ifndef _WINDOWS
6#include <unistd.h> /* for link */ 14#include <unistd.h> /* for link */
7#endif 15#endif
8#include <sys/types.h> 16#include <sys/types.h>
9#include <sys/stat.h> 17#include <sys/stat.h>
10#include <stdarg.h> 18#include <stdarg.h>
11 19
12#include <qimage.h>
13 20
14/***********************************************************************/ 21/***********************************************************************/
15/***********************************************************************/ 22/***********************************************************************/
16/***** *****/ 23/***** *****/
17/***** Code to decode the Palm image format to JPEG *****/ 24/***** Code to decode the Palm image format to JPEG *****/
18/***** *****/ 25/***** *****/
@@ -138,22 +145,24 @@ QImage* Palm2QImage
138 next_depth_offset = READ_BIGENDIAN_SHORT(palmimage + 10); 145 next_depth_offset = READ_BIGENDIAN_SHORT(palmimage + 10);
139 transparent_index = palmimage[12]; 146 transparent_index = palmimage[12];
140 compression_type = palmimage[13]; 147 compression_type = palmimage[13];
141 /* bytes 14 and 15 are reserved by Palm and always 0 */ 148 /* bytes 14 and 15 are reserved by Palm and always 0 */
142 149
143#if 0 150#if 0
144// qDebug ("Palm image is %dx%d, %d bpp, version %d, flags 0x%x, compression %d", width, height, bits_per_pixel, version, flags, compression_type); 151// odebug << "Palm image is " << width << "x" << height
152// << ", " << bits_per_pixel << " bpp, version " << version
153// << ", flags 0x" << flags << ", compression " << compression_type << oendl;
145#endif 154#endif
146 155
147 if (compression_type == PALM_COMPRESSION_PACKBITS) { 156 if (compression_type == PALM_COMPRESSION_PACKBITS) {
148// qDebug ("Image uses packbits compression; not yet supported"); 157// odebug << "Image uses packbits compression; not yet supported" << oendl;
149 return NULL; 158 return NULL;
150 } else if ((compression_type != PALM_COMPRESSION_NONE) && 159 } else if ((compression_type != PALM_COMPRESSION_NONE) &&
151 (compression_type != PALM_COMPRESSION_RLE) && 160 (compression_type != PALM_COMPRESSION_RLE) &&
152 (compression_type != PALM_COMPRESSION_SCANLINE)) { 161 (compression_type != PALM_COMPRESSION_SCANLINE)) {
153// qDebug ("Image uses unknown compression, code 0x%x", compression_type); 162// odebug << "Image uses unknown compression, code 0x" << compression_type << oendl;
154 return NULL; 163 return NULL;
155 } 164 }
156 165
157 /* as of PalmOS 4.0, there are 6 different kinds of Palm pixmaps: 166 /* as of PalmOS 4.0, there are 6 different kinds of Palm pixmaps:
158 167
159 1, 2, or 4 bit grayscale 168 1, 2, or 4 bit grayscale
@@ -165,13 +174,13 @@ QImage* Palm2QImage
165 "RLE", "Scanline", "PackBits", or none. 174 "RLE", "Scanline", "PackBits", or none.
166 175
167 We begin by constructing the colormap. 176 We begin by constructing the colormap.
168 */ 177 */
169 178
170 if (flags & PALM_HAS_COLORMAP_FLAG) { 179 if (flags & PALM_HAS_COLORMAP_FLAG) {
171// qDebug("Palm images with custom colormaps are not currently supported.\n"); 180// odebug << "Palm images with custom colormaps are not currently supported." << oendl;
172 return NULL; 181 return NULL;
173 } else if (bits_per_pixel == 1) { 182 } else if (bits_per_pixel == 1) {
174 colormap = Palm1BitColormap; 183 colormap = Palm1BitColormap;
175 imagedatastart = palmimage + 16; 184 imagedatastart = palmimage + 16;
176 } else if (bits_per_pixel == 2) { 185 } else if (bits_per_pixel == 2) {
177 colormap = Palm2BitColormap; 186 colormap = Palm2BitColormap;
@@ -184,24 +193,26 @@ QImage* Palm2QImage
184 imagedatastart = palmimage + 16; 193 imagedatastart = palmimage + 16;
185 } else if (bits_per_pixel == 16 && (flags & PALM_DIRECT_COLOR_FLAG)) { 194 } else if (bits_per_pixel == 16 && (flags & PALM_DIRECT_COLOR_FLAG)) {
186 colormap = NULL; 195 colormap = NULL;
187 palm_red_bits = palmimage[16]; 196 palm_red_bits = palmimage[16];
188 palm_green_bits = palmimage[17]; 197 palm_green_bits = palmimage[17];
189 palm_blue_bits = palmimage[18]; 198 palm_blue_bits = palmimage[18];
190// qDebug("Bits:%d, %d, %d", palm_red_bits, palm_green_bits, palm_blue_bits); 199// odebug << "Bits:" << palm_red_bits << ", " << palm_green_bits << ", " << palm_blue_bits << oendl;
191 if (palm_blue_bits > 8 || palm_green_bits > 8 || palm_red_bits > 8) { 200 if (palm_blue_bits > 8 || palm_green_bits > 8 || palm_red_bits > 8) {
192// qDebug("Can't handle this format DirectColor image -- too wide in some color (%d:%d:%d)\n", palm_red_bits, palm_green_bits, palm_blue_bits); 201// odebug << "Can't handle this format DirectColor image -- too wide in some color ("
202// << palm_red_bits << ":" << palm_green_bits << ":" << palm_blue_bits << oendl;
193 return NULL; 203 return NULL;
194 } 204 }
195 if (bits_per_pixel > (8 * sizeof(unsigned long))) { 205 if (bits_per_pixel > (8 * sizeof(unsigned long))) {
196// qDebug ("Can't handle this format DirectColor image -- too many bits per pixel (%d)\n", bits_per_pixel); 206// odebug << "Can't handle this format DirectColor image -- too many bits per pixel ("
207// << bits_per_pixel << ")" << oendl;
197 return NULL; 208 return NULL;
198 } 209 }
199 imagedatastart = palmimage + 24; 210 imagedatastart = palmimage + 24;
200 } else { 211 } else {
201// qDebug("Unknown bits-per-pixel of %d encountered.\n", bits_per_pixel); 212// odebug << "Unknown bits-per-pixel of " << bits_per_pixel << " encountered" << oendl;
202 return NULL; 213 return NULL;
203 } 214 }
204 215
205#ifndef USEQPE 216#ifndef USEQPE
206 QImage* qimage = new QImage(width, height, 32); 217 QImage* qimage = new QImage(width, height, 32);
207#else 218#else
@@ -210,13 +221,14 @@ QImage* Palm2QImage
210 221
211 /* row by row, uncompress the Palm image and copy it to the JPEG buffer */ 222 /* row by row, uncompress the Palm image and copy it to the JPEG buffer */
212 rowbuf = new unsigned char[bytes_per_row * width]; 223 rowbuf = new unsigned char[bytes_per_row * width];
213 lastrow = new unsigned char[bytes_per_row * width]; 224 lastrow = new unsigned char[bytes_per_row * width];
214 225
215 for (i=0, palm_ptr = imagedatastart , x_ptr = imagedata; i < height; ++i) { 226 for (i=0, palm_ptr = imagedatastart , x_ptr = imagedata; i < height; ++i) {
216// qDebug("inval:%x palm_ptr:%x x_ptr:%x bpr:%x", inval, palm_ptr, x_ptr, bytes_per_row); 227// odebug << "inval:" << inval << " palm_ptr:" << palm_ptr << " x_ptr:" << x_ptr
228// << " bpr:" << bytes_per_row << oendl;
217 229
218 /* first, uncompress the Palm image */ 230 /* first, uncompress the Palm image */
219 if ((flags & PALM_IS_COMPRESSED_FLAG) && (compression_type == PALM_COMPRESSION_RLE)) { 231 if ((flags & PALM_IS_COMPRESSED_FLAG) && (compression_type == PALM_COMPRESSION_RLE)) {
220 for (j = 0; j < bytes_per_row; ) { 232 for (j = 0; j < bytes_per_row; ) {
221 incount = *palm_ptr++; 233 incount = *palm_ptr++;
222 inval = *palm_ptr++; 234 inval = *palm_ptr++;
@@ -240,18 +252,18 @@ QImage* Palm2QImage
240 ((flags & PALM_IS_COMPRESSED_FLAG) == 0)) 252 ((flags & PALM_IS_COMPRESSED_FLAG) == 0))
241 { 253 {
242 memcpy (rowbuf, palm_ptr, bytes_per_row); 254 memcpy (rowbuf, palm_ptr, bytes_per_row);
243 palm_ptr += bytes_per_row; 255 palm_ptr += bytes_per_row;
244 } 256 }
245 else { 257 else {
246 qDebug("Case 4"); 258 odebug << "Case 4" << oendl;
247 qDebug("Is compressed:%s", ((flags & PALM_IS_COMPRESSED_FLAG) == 0) ? "false" : "true"); 259 odebug << "Is compressed:" << (((flags & PALM_IS_COMPRESSED_FLAG) == 0) ? "false" : "true") << oendl;
248 qDebug("Has colourmap:%s", ((flags & PALM_HAS_COLORMAP_FLAG) == 0) ? "false" : "true"); 260 odebug << "Has colourmap:" << (((flags & PALM_HAS_COLORMAP_FLAG) == 0) ? "false" : "true") << oendl;
249 qDebug("Has transparency:%s", ((flags & PALM_HAS_TRANSPARENCY_FLAG) == 0) ? "false" : "true"); 261 odebug << "Has transparency:" << (((flags & PALM_HAS_TRANSPARENCY_FLAG) == 0) ? "false" : "true") << oendl;
250 qDebug("Direct colour:%s", ((flags & PALM_DIRECT_COLOR_FLAG) == 0) ? "false" : "true"); 262 odebug << "Direct colour:" << (((flags & PALM_DIRECT_COLOR_FLAG) == 0) ? "false" : "true") << oendl;
251 qDebug("four byte field:%s", ((flags & PALM_4_BYTE_FIELD_FLAG) == 0) ? "false" : "true"); 263 odebug << "four byte field:" << (((flags & PALM_4_BYTE_FIELD_FLAG) == 0) ? "false" : "true") << oendl;
252 memcpy (rowbuf, palm_ptr, bytes_per_row); 264 memcpy (rowbuf, palm_ptr, bytes_per_row);
253 palm_ptr += bytes_per_row; 265 palm_ptr += bytes_per_row;
254 } 266 }
255 /* next, write it to the GDK bitmap */ 267 /* next, write it to the GDK bitmap */
256 if (colormap) { 268 if (colormap) {
257 mask = (1 << bits_per_pixel) - 1; 269 mask = (1 << bits_per_pixel) - 1;
@@ -272,17 +284,16 @@ QImage* Palm2QImage
272 } else if (!colormap && 284 } else if (!colormap &&
273 bits_per_pixel == 16) { 285 bits_per_pixel == 16) {
274 for (inbyte = rowbuf, j = 0; j < width; ++j) { 286 for (inbyte = rowbuf, j = 0; j < width; ++j) {
275 inval = ((unsigned short)inbyte[0] << (unsigned short)8) | inbyte[1]; 287 inval = ((unsigned short)inbyte[0] << (unsigned short)8) | inbyte[1];
276 288
277/* 289/*
278 qDebug ("pixel is %d,%d (%d:%d:%d)", 290 odebug << "pixel is " << j << "," << i << " ("
279 j, i, 291 << (((inval >> (bits_per_pixel - palm_red_bits)) & ((1 << palm_red_bits) - 1)) << (8-palm_red_bits)) << ":"
280 ((inval >> (bits_per_pixel - palm_red_bits)) & ((1 << palm_red_bits) - 1)) << (8-palm_red_bits), 292 << (((inval >> palm_blue_bits) & ((1 << palm_green_bits) - 1)) << (8-palm_green_bits)) << ":"
281 ((inval >> palm_blue_bits) & ((1 << palm_green_bits) - 1)) << (8-palm_green_bits), 293 << (((inval >> 0) & ((1 << palm_blue_bits) - 1)) << (8-palm_blue_bits)) << ")" << oendl;
282 ((inval >> 0) & ((1 << palm_blue_bits) - 1)) << (8-palm_blue_bits));
283*/ 294*/
284 QRgb colour = qRgb( 295 QRgb colour = qRgb(
285 ((inval >> (bits_per_pixel - palm_red_bits)) & ((1 << palm_red_bits) - 1)) << (8-palm_red_bits), 296 ((inval >> (bits_per_pixel - palm_red_bits)) & ((1 << palm_red_bits) - 1)) << (8-palm_red_bits),
286 ((inval >> palm_blue_bits) & ((1 << palm_green_bits) - 1)) << (8-palm_green_bits), 297 ((inval >> palm_blue_bits) & ((1 << palm_green_bits) - 1)) << (8-palm_green_bits),
287 ((inval >> 0) & ((1 << palm_blue_bits) - 1)) << (8-palm_blue_bits)); 298 ((inval >> 0) & ((1 << palm_blue_bits) - 1)) << (8-palm_blue_bits));
288 qimage->setPixel(j, i, colour); 299 qimage->setPixel(j, i, colour);
@@ -296,13 +307,13 @@ QImage* Palm2QImage
296 307
297 return qimage; 308 return qimage;
298} 309}
299 310
300QImage* hRule(int w, int h, unsigned char r, unsigned char g, unsigned char b) 311QImage* hRule(int w, int h, unsigned char r, unsigned char g, unsigned char b)
301{ 312{
302//// qDebug("hrule [%d, %d]", w, h); 313// odebug << "hrule [" << w << ", " << h << "]" << oendl;
303 QPixmap* qimage = new QPixmap(w, h); 314 QPixmap* qimage = new QPixmap(w, h);
304 qimage->fill(QColor(r,g,b)); 315 qimage->fill(QColor(r,g,b));
305 QImage* ret = new QImage(qimage->convertToImage()); 316 QImage* ret = new QImage(qimage->convertToImage());
306 delete qimage; 317 delete qimage;
307 return ret; 318 return ret;
308} 319}