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-rw-r--r--noncore/apps/opie-reader/Palm2QImage.cpp74
1 files changed, 46 insertions, 28 deletions
diff --git a/noncore/apps/opie-reader/Palm2QImage.cpp b/noncore/apps/opie-reader/Palm2QImage.cpp
index ef88cc5..9603877 100644
--- a/noncore/apps/opie-reader/Palm2QImage.cpp
+++ b/noncore/apps/opie-reader/Palm2QImage.cpp
@@ -1,290 +1,308 @@
/* -*- mode: c; indent-tabs-mode: nil; -*- */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <unistd.h> /* for link */
+#ifndef WINDOWS
+#include <unistd.h> /* for link */
+#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <stdarg.h>
#include <qimage.h>
/***********************************************************************/
/***********************************************************************/
/***** *****/
/***** Code to decode the Palm image format to JPEG *****/
/***** *****/
/***********************************************************************/
/***********************************************************************/
#define READ_BIGENDIAN_SHORT(p) (((p)[0] << 8)|((p)[1]))
#define READ_BIGENDIAN_LONG(p) (((p)[0] << 24)|((p)[1] << 16)|((p)[2] << 8)|((p)[3]))
#define PALM_IS_COMPRESSED_FLAG 0x8000
#define PALM_HAS_COLORMAP_FLAG 0x4000
#define PALM_HAS_TRANSPARENCY_FLAG 0x2000
#define PALM_DIRECT_COLOR_FLAG 0x0400
#define PALM_4_BYTE_FIELD_FLAG 0x0200
#define PALM_COMPRESSION_SCANLINE 0x00
#define PALM_COMPRESSION_RLE 0x01
#define PALM_COMPRESSION_PACKBITS 0x02
#define PALM_COMPRESSION_NONE 0xFF
#define PALM_COLORMAP_SIZE 232
typedef struct {
unsigned char red;
unsigned char green;
unsigned char blue;
} ColorMapEntry;
static ColorMapEntry Palm8BitColormap[] = {
{ 255, 255, 255 }, { 255, 204, 255 }, { 255, 153, 255 }, { 255, 102, 255 },
{ 255, 51, 255 }, { 255, 0, 255 }, { 255, 255, 204 }, { 255, 204, 204 },
{ 255, 153, 204 }, { 255, 102, 204 }, { 255, 51, 204 }, { 255, 0, 204 },
{ 255, 255, 153 }, { 255, 204, 153 }, { 255, 153, 153 }, { 255, 102, 153 },
{ 255, 51, 153 }, { 255, 0, 153 }, { 204, 255, 255 }, { 204, 204, 255 },
{ 204, 153, 255 }, { 204, 102, 255 }, { 204, 51, 255 }, { 204, 0, 255 },
{ 204, 255, 204 }, { 204, 204, 204 }, { 204, 153, 204 }, { 204, 102, 204 },
{ 204, 51, 204 }, { 204, 0, 204 }, { 204, 255, 153 }, { 204, 204, 153 },
{ 204, 153, 153 }, { 204, 102, 153 }, { 204, 51, 153 }, { 204, 0, 153 },
{ 153, 255, 255 }, { 153, 204, 255 }, { 153, 153, 255 }, { 153, 102, 255 },
{ 153, 51, 255 }, { 153, 0, 255 }, { 153, 255, 204 }, { 153, 204, 204 },
{ 153, 153, 204 }, { 153, 102, 204 }, { 153, 51, 204 }, { 153, 0, 204 },
{ 153, 255, 153 }, { 153, 204, 153 }, { 153, 153, 153 }, { 153, 102, 153 },
{ 153, 51, 153 }, { 153, 0, 153 }, { 102, 255, 255 }, { 102, 204, 255 },
{ 102, 153, 255 }, { 102, 102, 255 }, { 102, 51, 255 }, { 102, 0, 255 },
{ 102, 255, 204 }, { 102, 204, 204 }, { 102, 153, 204 }, { 102, 102, 204 },
{ 102, 51, 204 }, { 102, 0, 204 }, { 102, 255, 153 }, { 102, 204, 153 },
{ 102, 153, 153 }, { 102, 102, 153 }, { 102, 51, 153 }, { 102, 0, 153 },
{ 51, 255, 255 }, { 51, 204, 255 }, { 51, 153, 255 }, { 51, 102, 255 },
{ 51, 51, 255 }, { 51, 0, 255 }, { 51, 255, 204 }, { 51, 204, 204 },
{ 51, 153, 204 }, { 51, 102, 204 }, { 51, 51, 204 }, { 51, 0, 204 },
{ 51, 255, 153 }, { 51, 204, 153 }, { 51, 153, 153 }, { 51, 102, 153 },
{ 51, 51, 153 }, { 51, 0, 153 }, { 0, 255, 255 }, { 0, 204, 255 },
{ 0, 153, 255 }, { 0, 102, 255 }, { 0, 51, 255 }, { 0, 0, 255 },
{ 0, 255, 204 }, { 0, 204, 204 }, { 0, 153, 204 }, { 0, 102, 204 },
{ 0, 51, 204 }, { 0, 0, 204 }, { 0, 255, 153 }, { 0, 204, 153 },
{ 0, 153, 153 }, { 0, 102, 153 }, { 0, 51, 153 }, { 0, 0, 153 },
{ 255, 255, 102 }, { 255, 204, 102 }, { 255, 153, 102 }, { 255, 102, 102 },
{ 255, 51, 102 }, { 255, 0, 102 }, { 255, 255, 51 }, { 255, 204, 51 },
{ 255, 153, 51 }, { 255, 102, 51 }, { 255, 51, 51 }, { 255, 0, 51 },
{ 255, 255, 0 }, { 255, 204, 0 }, { 255, 153, 0 }, { 255, 102, 0 },
{ 255, 51, 0 }, { 255, 0, 0 }, { 204, 255, 102 }, { 204, 204, 102 },
{ 204, 153, 102 }, { 204, 102, 102 }, { 204, 51, 102 }, { 204, 0, 102 },
{ 204, 255, 51 }, { 204, 204, 51 }, { 204, 153, 51 }, { 204, 102, 51 },
{ 204, 51, 51 }, { 204, 0, 51 }, { 204, 255, 0 }, { 204, 204, 0 },
{ 204, 153, 0 }, { 204, 102, 0 }, { 204, 51, 0 }, { 204, 0, 0 },
{ 153, 255, 102 }, { 153, 204, 102 }, { 153, 153, 102 }, { 153, 102, 102 },
{ 153, 51, 102 }, { 153, 0, 102 }, { 153, 255, 51 }, { 153, 204, 51 },
{ 153, 153, 51 }, { 153, 102, 51 }, { 153, 51, 51 }, { 153, 0, 51 },
{ 153, 255, 0 }, { 153, 204, 0 }, { 153, 153, 0 }, { 153, 102, 0 },
{ 153, 51, 0 }, { 153, 0, 0 }, { 102, 255, 102 }, { 102, 204, 102 },
{ 102, 153, 102 }, { 102, 102, 102 }, { 102, 51, 102 }, { 102, 0, 102 },
{ 102, 255, 51 }, { 102, 204, 51 }, { 102, 153, 51 }, { 102, 102, 51 },
{ 102, 51, 51 }, { 102, 0, 51 }, { 102, 255, 0 }, { 102, 204, 0 },
{ 102, 153, 0 }, { 102, 102, 0 }, { 102, 51, 0 }, { 102, 0, 0 },
{ 51, 255, 102 }, { 51, 204, 102 }, { 51, 153, 102 }, { 51, 102, 102 },
{ 51, 51, 102 }, { 51, 0, 102 }, { 51, 255, 51 }, { 51, 204, 51 },
{ 51, 153, 51 }, { 51, 102, 51 }, { 51, 51, 51 }, { 51, 0, 51 },
{ 51, 255, 0 }, { 51, 204, 0 }, { 51, 153, 0 }, { 51, 102, 0 },
{ 51, 51, 0 }, { 51, 0, 0 }, { 0, 255, 102 }, { 0, 204, 102 },
{ 0, 153, 102 }, { 0, 102, 102 }, { 0, 51, 102 }, { 0, 0, 102 },
{ 0, 255, 51 }, { 0, 204, 51 }, { 0, 153, 51 }, { 0, 102, 51 },
{ 0, 51, 51 }, { 0, 0, 51 }, { 0, 255, 0 }, { 0, 204, 0 },
{ 0, 153, 0 }, { 0, 102, 0 }, { 0, 51, 0 }, { 17, 17, 17 },
{ 34, 34, 34 }, { 68, 68, 68 }, { 85, 85, 85 }, { 119, 119, 119 },
{ 136, 136, 136 }, { 170, 170, 170 }, { 187, 187, 187 }, { 221, 221, 221 },
{ 238, 238, 238 }, { 192, 192, 192 }, { 128, 0, 0 }, { 128, 0, 128 },
{ 0, 128, 0 }, { 0, 128, 128 }, { 0, 0, 0 }, { 0, 0, 0 },
{ 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 },
{ 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 },
{ 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 },
{ 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 },
{ 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 },
{ 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }, { 0, 0, 0 }};
static ColorMapEntry Palm1BitColormap[] = {{ 255, 255, 255 }, { 0, 0, 0 }};
static ColorMapEntry Palm2BitColormap[] = {
{ 255, 255, 255 }, { 192, 192, 192 }, { 128, 128, 128 }, { 0, 0, 0 }};
static ColorMapEntry Palm4BitColormap[] = {
{ 255, 255, 255 }, { 238, 238, 238 }, { 221, 221, 221 }, { 204, 204, 204 },
{ 187, 187, 187 }, { 170, 170, 170 }, { 153, 153, 153 }, { 136, 136, 136 },
{ 119, 119, 119 }, { 102, 102, 102 }, { 85, 85, 85 }, { 68, 68, 68 },
{ 51, 51, 51 }, { 34, 34, 34 }, { 17, 17, 17 }, { 0, 0, 0 }};
QImage* Palm2QImage
(unsigned char *image_bytes_in, int byte_count_in)
{
unsigned int width, height, bytes_per_row, flags, next_depth_offset;
unsigned int bits_per_pixel, version, transparent_index, compression_type, i, j, inval, inbit, mask, incount;
unsigned int palm_red_bits, palm_green_bits, palm_blue_bits;
unsigned char *palm_ptr, *x_ptr, *imagedata, *inbyte, *rowbuf, *lastrow,
*imagedatastart, *palmimage;
ColorMapEntry *colormap;
palmimage = image_bytes_in;
width = READ_BIGENDIAN_SHORT(palmimage + 0);
height = READ_BIGENDIAN_SHORT(palmimage + 2);
bytes_per_row = READ_BIGENDIAN_SHORT(palmimage + 4);
flags = READ_BIGENDIAN_SHORT(palmimage + 6);
bits_per_pixel = palmimage[8];
version = palmimage[9];
next_depth_offset = READ_BIGENDIAN_SHORT(palmimage + 10);
transparent_index = palmimage[12];
compression_type = palmimage[13];
/* bytes 14 and 15 are reserved by Palm and always 0 */
#if 0
- qDebug ("Palm image is %dx%d, %d bpp, version %d, flags 0x%x, compression %d",
- width, height, bits_per_pixel, version, flags, compression_type);
+// qDebug ("Palm image is %dx%d, %d bpp, version %d, flags 0x%x, compression %d", width, height, bits_per_pixel, version, flags, compression_type);
#endif
if (compression_type == PALM_COMPRESSION_PACKBITS) {
- qDebug ("Image uses packbits compression; not yet supported");
+// qDebug ("Image uses packbits compression; not yet supported");
return NULL;
} else if ((compression_type != PALM_COMPRESSION_NONE) &&
(compression_type != PALM_COMPRESSION_RLE) &&
(compression_type != PALM_COMPRESSION_SCANLINE)) {
- qDebug ("Image uses unknown compression, code 0x%x", compression_type);
+// qDebug ("Image uses unknown compression, code 0x%x", compression_type);
return NULL;
}
/* as of PalmOS 4.0, there are 6 different kinds of Palm pixmaps:
1, 2, or 4 bit grayscale
8-bit StaticColor using the Palm standard colormap
8-bit PseudoColor using a user-specified colormap
16-bit DirectColor using 5 bits for red, 6 for green, and 5 for blue
Each of these can be compressed with one of four compression schemes,
"RLE", "Scanline", "PackBits", or none.
We begin by constructing the colormap.
*/
if (flags & PALM_HAS_COLORMAP_FLAG) {
- qDebug("Palm images with custom colormaps are not currently supported.\n");
+// qDebug("Palm images with custom colormaps are not currently supported.\n");
return NULL;
} else if (bits_per_pixel == 1) {
colormap = Palm1BitColormap;
imagedatastart = palmimage + 16;
} else if (bits_per_pixel == 2) {
colormap = Palm2BitColormap;
imagedatastart = palmimage + 16;
} else if (bits_per_pixel == 4) {
colormap = Palm4BitColormap;
imagedatastart = palmimage + 16;
} else if (bits_per_pixel == 8) {
colormap = Palm8BitColormap;
imagedatastart = palmimage + 16;
} else if (bits_per_pixel == 16 && (flags & PALM_DIRECT_COLOR_FLAG)) {
colormap = NULL;
palm_red_bits = palmimage[16];
palm_green_bits = palmimage[17];
palm_blue_bits = palmimage[18];
+// qDebug("Bits:%d, %d, %d", palm_red_bits, palm_green_bits, palm_blue_bits);
if (palm_blue_bits > 8 || palm_green_bits > 8 || palm_red_bits > 8) {
- 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);
+// 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);
return NULL;
}
if (bits_per_pixel > (8 * sizeof(unsigned long))) {
- qDebug ("Can't handle this format DirectColor image -- too many bits per pixel (%d)\n",
- bits_per_pixel);
+// qDebug ("Can't handle this format DirectColor image -- too many bits per pixel (%d)\n", bits_per_pixel);
return NULL;
}
imagedatastart = palmimage + 24;
} else {
- qDebug("Unknown bits-per-pixel of %d encountered.\n", bits_per_pixel);
+// qDebug("Unknown bits-per-pixel of %d encountered.\n", bits_per_pixel);
return NULL;
}
- QImage* qimage = new QImage(width, height, 16);
+#ifdef WINDOWS
+ QImage* qimage = new QImage(width, height, 32);
+#else
+ QImage* qimage = new QImage(width, height, 16);
+#endif
/* row by row, uncompress the Palm image and copy it to the JPEG buffer */
rowbuf = new unsigned char[bytes_per_row * width];
lastrow = new unsigned char[bytes_per_row * width];
for (i=0, palm_ptr = imagedatastart , x_ptr = imagedata; i < height; ++i) {
+// qDebug("inval:%x palm_ptr:%x x_ptr:%x bpr:%x", inval, palm_ptr, x_ptr, bytes_per_row);
/* first, uncompress the Palm image */
if ((flags & PALM_IS_COMPRESSED_FLAG) && (compression_type == PALM_COMPRESSION_RLE)) {
for (j = 0; j < bytes_per_row; ) {
incount = *palm_ptr++;
inval = *palm_ptr++;
memset(rowbuf + j, inval, incount);
j += incount;
}
} else if ((flags & PALM_IS_COMPRESSED_FLAG) && (compression_type == PALM_COMPRESSION_SCANLINE)) {
for (j = 0; j < bytes_per_row; j += 8) {
incount = *palm_ptr++;
inval = ((bytes_per_row - j) < 8) ? (bytes_per_row - j) : 8;
for (inbit = 0; inbit < inval; inbit += 1) {
if (incount & (1 << (7 - inbit)))
rowbuf[j + inbit] = *palm_ptr++;
else
rowbuf[j + inbit] = lastrow[j + inbit];
}
}
memcpy (lastrow, rowbuf, bytes_per_row);
} else if (((flags & PALM_IS_COMPRESSED_FLAG) &&
- (compression_type == PALM_COMPRESSION_NONE)) ||
- (flags && PALM_IS_COMPRESSED_FLAG) == 0) {
+ (compression_type == PALM_COMPRESSION_NONE)) ||
+ ((flags & PALM_IS_COMPRESSED_FLAG) == 0))
+ {
+ memcpy (rowbuf, palm_ptr, bytes_per_row);
+ palm_ptr += bytes_per_row;
+ }
+ else {
+ qDebug("Case 4");
+ qDebug("Is compressed:%s", ((flags & PALM_IS_COMPRESSED_FLAG) == 0) ? "false" : "true");
+ qDebug("Has colourmap:%s", ((flags & PALM_HAS_COLORMAP_FLAG) == 0) ? "false" : "true");
+ qDebug("Has transparency:%s", ((flags & PALM_HAS_TRANSPARENCY_FLAG) == 0) ? "false" : "true");
+ qDebug("Direct colour:%s", ((flags & PALM_DIRECT_COLOR_FLAG) == 0) ? "false" : "true");
+ qDebug("four byte field:%s", ((flags & PALM_4_BYTE_FIELD_FLAG) == 0) ? "false" : "true");
memcpy (rowbuf, palm_ptr, bytes_per_row);
palm_ptr += bytes_per_row;
}
-
/* next, write it to the GDK bitmap */
if (colormap) {
mask = (1 << bits_per_pixel) - 1;
for (inbit = 8 - bits_per_pixel, inbyte = rowbuf, j = 0; j < width; ++j) {
inval = ((*inbyte) & (mask << inbit)) >> inbit;
/* correct for oddity of the 8-bit color Palm pixmap... */
if ((bits_per_pixel == 8) && (inval == 0xFF)) inval = 231;
/* now lookup the correct color and set the pixel in the GTK bitmap */
QRgb colour = qRgb(colormap[inval].red, colormap[inval].green, colormap[inval].blue);
qimage->setPixel(j, i, colour);
if (!inbit) {
++inbyte;
inbit = 8 - bits_per_pixel;
} else {
inbit -= bits_per_pixel;
}
}
} else if (!colormap &&
bits_per_pixel == 16) {
for (inbyte = rowbuf, j = 0; j < width; ++j) {
- inval = (inbyte[0] << 8) | inbyte[1];
-#if 0
- qDebug ("pixel is %d,%d (%02x:%02x:%02x)",
+ inval = ((unsigned short)inbyte[0] << (unsigned short)8) | inbyte[1];
+
+/*
+ qDebug ("pixel is %d,%d (%d:%d:%d)",
j, i,
- (inval >> (bits_per_pixel - palm_red_bits)) & ((1 << palm_red_bits) - 1),
- (inval >> palm_blue_bits) & ((1 << palm_green_bits) - 1),
- (inval >> 0) & ((1 << palm_blue_bits) - 1));
-#endif
+ ((inval >> (bits_per_pixel - palm_red_bits)) & ((1 << palm_red_bits) - 1)) << (8-palm_red_bits),
+ ((inval >> palm_blue_bits) & ((1 << palm_green_bits) - 1)) << (8-palm_green_bits),
+ ((inval >> 0) & ((1 << palm_blue_bits) - 1)) << (8-palm_blue_bits));
+*/
QRgb colour = qRgb(
- (inval >> (bits_per_pixel - palm_red_bits)) & ((1 << palm_red_bits) - 1),
- (inval >> palm_blue_bits) & ((1 << palm_green_bits) - 1),
- (inval >> 0) & ((1 << palm_blue_bits) - 1));
+ ((inval >> (bits_per_pixel - palm_red_bits)) & ((1 << palm_red_bits) - 1)) << (8-palm_red_bits),
+ ((inval >> palm_blue_bits) & ((1 << palm_green_bits) - 1)) << (8-palm_green_bits),
+ ((inval >> 0) & ((1 << palm_blue_bits) - 1)) << (8-palm_blue_bits));
qimage->setPixel(j, i, colour);
inbyte += 2;
}
}
}
delete [] rowbuf;
delete [] lastrow;
return qimage;
}
-QPixmap* hRule(int w, int h, unsigned char r, unsigned char g, unsigned char b)
+QImage* hRule(int w, int h, unsigned char r, unsigned char g, unsigned char b)
{
-// qDebug("hrule [%d, %d]", w, h);
+//// qDebug("hrule [%d, %d]", w, h);
QPixmap* qimage = new QPixmap(w, h);
qimage->fill(QColor(r,g,b));
- return qimage;
+ QImage* ret = new QImage(qimage->convertToImage());
+ delete qimage;
+ return ret;
}