Diffstat (limited to 'noncore/apps/opie-reader/Palm2QImage.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/apps/opie-reader/Palm2QImage.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/noncore/apps/opie-reader/Palm2QImage.cpp b/noncore/apps/opie-reader/Palm2QImage.cpp index 361755f..09cad1c 100644 --- a/noncore/apps/opie-reader/Palm2QImage.cpp +++ b/noncore/apps/opie-reader/Palm2QImage.cpp @@ -80,185 +80,185 @@ static ColorMapEntry Palm8BitColormap[] = { { 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, + unsigned char *palm_ptr, *x_ptr, *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); #endif if (compression_type == PALM_COMPRESSION_PACKBITS) { // 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); 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"); 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); 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); return NULL; } imagedatastart = palmimage + 24; } else { // qDebug("Unknown bits-per-pixel of %d encountered.\n", bits_per_pixel); return NULL; } #ifndef USEQPE 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) { + for (i=0, palm_ptr = imagedatastart , x_ptr = 0; 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)) { 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); |