From e1244a0dff7815ad325ae433bc890275916b4fe8 Mon Sep 17 00:00:00 2001 From: Dominik Riebeling Date: Sat, 5 Mar 2011 21:12:31 +0000 Subject: Remove outdated and unmaintained wpseditor. The wpseditor is superseded by the Theme Editor these days. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29528 a1c6a512-1295-4272-9138-f99709370657 --- utils/wpseditor/screenshot/gd_bmp.c | 778 ------------------------------------ 1 file changed, 778 deletions(-) delete mode 100644 utils/wpseditor/screenshot/gd_bmp.c (limited to 'utils/wpseditor/screenshot/gd_bmp.c') diff --git a/utils/wpseditor/screenshot/gd_bmp.c b/utils/wpseditor/screenshot/gd_bmp.c deleted file mode 100644 index 8fe737da03..0000000000 --- a/utils/wpseditor/screenshot/gd_bmp.c +++ /dev/null @@ -1,778 +0,0 @@ -/* - Stolen from http://cvs.php.net/viewcvs.cgi/gd/playground/gdbmp/ -*/ - -/* - gd_bmp.c - - Bitmap format support for libgd - - * Written 2007, Scott MacVicar - --------------------------------------------------------------------------- - - Todo: - - Bitfield encoding - - ---------------------------------------------------------------------------- - */ -/* $Id$ */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include -#include -#include -#include -#include "gd.h" -#include "bmp.h" - -extern void* gdCalloc (size_t nmemb, size_t size); - -static int bmp_read_header(gdIOCtxPtr infile, bmp_hdr_t *hdr); -static int bmp_read_info(gdIOCtxPtr infile, bmp_info_t *info); -static int bmp_read_windows_v3_info(gdIOCtxPtr infile, bmp_info_t *info); -static int bmp_read_os2_v1_info(gdIOCtxPtr infile, bmp_info_t *info); -static int bmp_read_os2_v2_info(gdIOCtxPtr infile, bmp_info_t *info); - -static int bmp_read_direct(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp_hdr_t *header); -static int bmp_read_1bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp_hdr_t *header); -static int bmp_read_4bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp_hdr_t *header); -static int bmp_read_8bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp_hdr_t *header); -static int bmp_read_rle(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info); - -#if GD_MAJOR_VERSION == 2 && GD_MINOR_VERSION < 1 -/* Byte helper functions, since added to GD 2.1 */ -static int gdGetIntLSB(signed int *result, gdIOCtx * ctx); -static int gdGetWordLSB(signed short int *result, gdIOCtx * ctx); -#endif - -#define BMP_DEBUG(s) - -gdImagePtr gdImageCreateFromBmpCtx(gdIOCtxPtr infile); - -gdImagePtr gdImageCreateFromBmp(FILE * inFile) -{ - gdImagePtr im = 0; - gdIOCtx *in = gdNewFileCtx(inFile); - im = gdImageCreateFromBmpCtx(in); - in->gd_free(in); - return im; -} - -gdImagePtr gdImageCreateFromBmpPtr(int size, void *data) -{ - gdImagePtr im; - gdIOCtx *in = gdNewDynamicCtxEx(size, data, 0); - im = gdImageCreateFromBmpCtx(in); - in->gd_free(in); - return im; -} - -gdImagePtr gdImageCreateFromBmpCtx(gdIOCtxPtr infile) -{ - bmp_hdr_t *hdr; - bmp_info_t *info; - gdImagePtr im = NULL; - int error = 0; - - if (!(hdr= (bmp_hdr_t *)gdCalloc(1, sizeof(bmp_hdr_t)))) { - return NULL; - } - - if (bmp_read_header(infile, hdr)) { - gdFree(hdr); - return NULL; - } - - if (hdr->magic != 0x4d42) { - gdFree(hdr); - return NULL; - } - - if (!(info = (bmp_info_t *)gdCalloc(1, sizeof(bmp_info_t)))) { - gdFree(hdr); - return NULL; - } - - if (bmp_read_info(infile, info)) { - gdFree(hdr); - gdFree(info); - return NULL; - } - - BMP_DEBUG(printf("Numcolours: %d\n", info->numcolors)); - BMP_DEBUG(printf("Width: %d\n", info->width)); - BMP_DEBUG(printf("Height: %d\n", info->height)); - BMP_DEBUG(printf("Planes: %d\n", info->numplanes)); - BMP_DEBUG(printf("Depth: %d\n", info->depth)); - BMP_DEBUG(printf("Offset: %d\n", hdr->off)); - - if (info->depth >= 16) { - im = gdImageCreateTrueColor(info->width, info->height); - } else { - im = gdImageCreate(info->width, info->height); - } - - if (!im) { - gdFree(hdr); - gdFree(info); - return NULL; - } - - switch (info->depth) { - case 1: - BMP_DEBUG(printf("1-bit image\n")); - error = bmp_read_1bit(im, infile, info, hdr); - break; - case 4: - BMP_DEBUG(printf("4-bit image\n")); - error = bmp_read_4bit(im, infile, info, hdr); - break; - case 8: - BMP_DEBUG(printf("8-bit image\n")); - error = bmp_read_8bit(im, infile, info, hdr); - break; - case 16: - case 24: - case 32: - BMP_DEBUG(printf("Direct BMP image\n")); - error = bmp_read_direct(im, infile, info, hdr); - break; - default: - BMP_DEBUG(printf("Unknown bit count\n")); - error = 1; - } - - gdFree(hdr); - gdFree(info); - - if (error) { - gdImageDestroy(im); - return NULL; - } - - return im; -} - -static int bmp_read_header(gdIOCtx *infile, bmp_hdr_t *hdr) -{ - if( - !gdGetWordLSB(&hdr->magic, infile) || - !gdGetIntLSB(&hdr->size, infile) || - !gdGetWordLSB(&hdr->reserved1, infile) || - !gdGetWordLSB(&hdr->reserved2 , infile) || - !gdGetIntLSB(&hdr->off , infile) - ) { - return 1; - } - return 0; -} - -static int bmp_read_info(gdIOCtx *infile, bmp_info_t *info) -{ - /* read BMP length so we can work out the version */ - if (!gdGetIntLSB(&info->len, infile)) { - return 1; - } - - switch (info->len) { - /* For now treat Windows v4 + v5 as v3 */ - case BMP_WINDOWS_V3: - case BMP_WINDOWS_V4: - case BMP_WINDOWS_V5: - BMP_DEBUG(printf("Reading Windows Header\n")); - if (bmp_read_windows_v3_info(infile, info)) { - return 1; - } - break; - case BMP_OS2_V1: - if (bmp_read_os2_v1_info(infile, info)) { - return 1; - } - break; - case BMP_OS2_V2: - if (bmp_read_os2_v2_info(infile, info)) { - return 1; - } - break; - default: - BMP_DEBUG(printf("Unhandled bitmap\n")); - return 1; - } - return 0; -} - -static int bmp_read_windows_v3_info(gdIOCtxPtr infile, bmp_info_t *info) -{ - if ( - !gdGetIntLSB(&info->width, infile) || - !gdGetIntLSB(&info->height, infile) || - !gdGetWordLSB(&info->numplanes, infile) || - !gdGetWordLSB(&info->depth, infile) || - !gdGetIntLSB(&info->enctype, infile) || - !gdGetIntLSB(&info->size, infile) || - !gdGetIntLSB(&info->hres, infile) || - !gdGetIntLSB(&info->vres, infile) || - !gdGetIntLSB(&info->numcolors, infile) || - !gdGetIntLSB(&info->mincolors, infile) - ) { - return 1; - } - - if (info->height < 0) { - info->topdown = 1; - info->height = -info->height; - } else { - info->topdown = 0; - } - - info->type = BMP_PALETTE_4; - - if (info->width <= 0 || info->height <= 0 || info->numplanes <= 0 || - info->depth <= 0 || info->numcolors < 0 || info->mincolors < 0) { - return 1; - } - - return 0; -} - -static int bmp_read_os2_v1_info(gdIOCtxPtr infile, bmp_info_t *info) -{ - if ( - !gdGetWordLSB((signed short int *)&info->width, infile) || - !gdGetWordLSB((signed short int *)&info->height, infile) || - !gdGetWordLSB(&info->numplanes, infile) || - !gdGetWordLSB(&info->depth, infile) - ) { - return 1; - } - - /* OS2 v1 doesn't support topdown */ - info->topdown = 0; - - info->numcolors = 1 << info->depth; - info->type = BMP_PALETTE_3; - - if (info->width <= 0 || info->height <= 0 || info->numplanes <= 0 || - info->depth <= 0 || info->numcolors < 0) { - return 1; - } - - return 0; -} - -static int bmp_read_os2_v2_info(gdIOCtxPtr infile, bmp_info_t *info) -{ - char useless_bytes[24]; - if ( - !gdGetIntLSB(&info->width, infile) || - !gdGetIntLSB(&info->height, infile) || - !gdGetWordLSB(&info->numplanes, infile) || - !gdGetWordLSB(&info->depth, infile) || - !gdGetIntLSB(&info->enctype, infile) || - !gdGetIntLSB(&info->size, infile) || - !gdGetIntLSB(&info->hres, infile) || - !gdGetIntLSB(&info->vres, infile) || - !gdGetIntLSB(&info->numcolors, infile) || - !gdGetIntLSB(&info->mincolors, infile) - ) { - return 1; - } - - /* Lets seek the next 24 pointless bytes, we don't care too much about it */ - if (!gdGetBuf(useless_bytes, 24, infile)) { - return 1; - } - - if (info->height < 0) { - info->topdown = 1; - info->height = -info->height; - } else { - info->topdown = 0; - } - - info->type = BMP_PALETTE_4; - - if (info->width <= 0 || info->height <= 0 || info->numplanes <= 0 || - info->depth <= 0 || info->numcolors < 0 || info->mincolors < 0) { - return 1; - } - - - return 0; -} - -static int bmp_read_direct(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp_hdr_t *header) -{ - int ypos = 0, xpos = 0, row = 0; - int padding = 0, alpha = 0, red = 0, green = 0, blue = 0; - signed short int data = 0; - - switch(info->enctype) { - case BMP_BI_RGB: - /* no-op */ - break; - - case BMP_BI_BITFIELDS: - if (info->depth == 24) { - BMP_DEBUG(printf("Bitfield compression isn't supported for 24-bit\n")); - return 1; - } - BMP_DEBUG(printf("Currently no bitfield support\n")); - return 1; - break; - - case BMP_BI_RLE8: - if (info->depth != 8) { - BMP_DEBUG(printf("RLE is only valid for 8-bit images\n")); - return 1; - } - case BMP_BI_RLE4: - if (info->depth != 4) { - BMP_DEBUG(printf("RLE is only valid for 4-bit images\n")); - return 1; - } - case BMP_BI_JPEG: - case BMP_BI_PNG: - default: - BMP_DEBUG(printf("Unsupported BMP compression format\n")); - return 1; - } - - /* There is a chance the data isn't until later, would be wierd but it is possible */ - if (gdTell(infile) != header->off) { - /* Should make sure we don't seek past the file size */ - gdSeek(infile, header->off); - } - - /* The line must be divisible by 4, else its padded with NULLs */ - padding = ((int)(info->depth / 8) * info->width) % 4; - if (padding) { - padding = 4 - padding; - } - - - for (ypos = 0; ypos < info->height; ++ypos) { - if (info->topdown) { - row = ypos; - } else { - row = info->height - ypos - 1; - } - - for (xpos = 0; xpos < info->width; xpos++) { - if (info->depth == 16) { - if (!gdGetWordLSB(&data, infile)) { - return 1; - } - BMP_DEBUG(printf("Data: %X\n", data)); - red = ((data & 0x7C00) >> 10) << 3; - green = ((data & 0x3E0) >> 5) << 3; - blue = (data & 0x1F) << 3; - BMP_DEBUG(printf("R: %d, G: %d, B: %d\n", red, green, blue)); - } else if (info->depth == 24) { - if (!gdGetByte(&blue, infile) || !gdGetByte(&green, infile) || !gdGetByte(&red, infile)) { - return 1; - } - } else { - if (!gdGetByte(&blue, infile) || !gdGetByte(&green, infile) || !gdGetByte(&red, infile) || !gdGetByte(&alpha, infile)) { - return 1; - } - } - /*alpha = gdAlphaMax - (alpha >> 1);*/ - gdImageSetPixel(im, xpos, row, gdTrueColor(red, green, blue)); - } - for (xpos = padding; xpos > 0; --xpos) { - if (!gdGetByte(&red, infile)) { - return 1; - } - } - } - - return 0; -} - -static int bmp_read_palette(gdImagePtr im, gdIOCtxPtr infile, int count, int read_four) -{ - int i; - int r, g, b, z; - - for (i = 0; i < count; i++) { - if ( - !gdGetByte(&r, infile) || - !gdGetByte(&g, infile) || - !gdGetByte(&b, infile) || - (read_four && !gdGetByte(&z, infile)) - ) { - return 1; - } - im->red[i] = r; - im->green[i] = g; - im->blue[i] = b; - im->open[i] = 1; - } - return 0; -} - -static int bmp_read_1bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp_hdr_t *header) -{ - int ypos = 0, xpos = 0, row = 0, index = 0; - int padding = 0, current_byte = 0, bit = 0; - - if (info->enctype != BMP_BI_RGB) { - return 1; - } - - if (!info->numcolors) { - info->numcolors = 2; - } else if (info->numcolors < 0 || info->numcolors > 2) { - return 1; - } - - if (bmp_read_palette(im, infile, info->numcolors, (info->type == BMP_PALETTE_4))) { - return 1; - } - - im->colorsTotal = info->numcolors; - - /* There is a chance the data isn't until later, would be wierd but it is possible */ - if (gdTell(infile) != header->off) { - /* Should make sure we don't seek past the file size */ - gdSeek(infile, header->off); - } - - /* The line must be divisible by 4, else its padded with NULLs */ - padding = ((int)ceill(0.1 * info->width)) % 4; - if (padding) { - padding = 4 - padding; - } - - for (ypos = 0; ypos < info->height; ++ypos) { - if (info->topdown) { - row = ypos; - } else { - row = info->height - ypos - 1; - } - - for (xpos = 0; xpos < info->width; xpos += 8) { - /* Bitmaps are always aligned in bytes so we'll never overflow */ - if (!gdGetByte(¤t_byte, infile)) { - return 1; - } - - for (bit = 0; bit < 8; bit++) { - index = ((current_byte & (0x80 >> bit)) != 0 ? 0x01 : 0x00); - if (im->open[index]) { - im->open[index] = 0; - } - gdImageSetPixel(im, xpos + bit, row, index); - /* No need to read anything extra */ - if ((xpos + bit) >= info->width) { - break; - } - } - } - - for (xpos = padding; xpos > 0; --xpos) { - if (!gdGetByte(&index, infile)) { - return 1; - } - } - } - return 0; -} - -static int bmp_read_4bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp_hdr_t *header) -{ - int ypos = 0, xpos = 0, row = 0, index = 0; - int padding = 0, current_byte = 0; - - if (info->enctype != BMP_BI_RGB && info->enctype != BMP_BI_RLE4) { - return 1; - } - - if (!info->numcolors) { - info->numcolors = 16; - } else if (info->numcolors < 0 || info->numcolors > 16) { - return 1; - } - - if (bmp_read_palette(im, infile, info->numcolors, (info->type == BMP_PALETTE_4))) { - return 1; - } - - im->colorsTotal = info->numcolors; - - /* There is a chance the data isn't until later, would be wierd but it is possible */ - if (gdTell(infile) != header->off) { - /* Should make sure we don't seek past the file size */ - gdSeek(infile, header->off); - } - - /* The line must be divisible by 4, else its padded with NULLs */ - padding = ((int)ceil(0.5 * info->width)) % 4; - if (padding) { - padding = 4 - padding; - } - - switch (info->enctype) { - case BMP_BI_RGB: - for (ypos = 0; ypos < info->height; ++ypos) { - if (info->topdown) { - row = ypos; - } else { - row = info->height - ypos - 1; - } - - for (xpos = 0; xpos < info->width; xpos += 2) { - if (!gdGetByte(¤t_byte, infile)) { - return 1; - } - - index = (current_byte >> 4) & 0x0f; - if (im->open[index]) { - im->open[index] = 0; - } - gdImageSetPixel(im, xpos, row, index); - - /* This condition may get called often, potential optimsations */ - if (xpos >= info->width) { - break; - } - - index = current_byte & 0x0f; - if (im->open[index]) { - im->open[index] = 0; - } - gdImageSetPixel(im, xpos + 1, row, index); - } - - for (xpos = padding; xpos > 0; --xpos) { - if (!gdGetByte(&index, infile)) { - return 1; - } - } - } - break; - - case BMP_BI_RLE4: - if (bmp_read_rle(im, infile, info)) { - return 1; - } - break; - - default: - return 1; - } - return 0; -} - -static int bmp_read_8bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp_hdr_t *header) -{ - int ypos = 0, xpos = 0, row = 0, index = 0; - int padding = 0; - - if (info->enctype != BMP_BI_RGB && info->enctype != BMP_BI_RLE8) { - return 1; - } - - if (!info->numcolors) { - info->numcolors = 256; - } else if (info->numcolors < 0 || info->numcolors > 256) { - return 1; - } - - if (bmp_read_palette(im, infile, info->numcolors, (info->type == BMP_PALETTE_4))) { - return 1; - } - - im->colorsTotal = info->numcolors; - - /* There is a chance the data isn't until later, would be wierd but it is possible */ - if (gdTell(infile) != header->off) { - /* Should make sure we don't seek past the file size */ - gdSeek(infile, header->off); - } - - /* The line must be divisible by 4, else its padded with NULLs */ - padding = (1 * info->width) % 4; - if (padding) { - padding = 4 - padding; - } - - switch (info->enctype) { - case BMP_BI_RGB: - for (ypos = 0; ypos < info->height; ++ypos) { - if (info->topdown) { - row = ypos; - } else { - row = info->height - ypos - 1; - } - - for (xpos = 0; xpos < info->width; ++xpos) { - if (!gdGetByte(&index, infile)) { - return 1; - } - - if (im->open[index]) { - im->open[index] = 0; - } - gdImageSetPixel(im, xpos, row, index); - } - /* Could create a new variable, but it isn't really worth it */ - for (xpos = padding; xpos > 0; --xpos) { - if (!gdGetByte(&index, infile)) { - return 1; - } - } - } - break; - - case BMP_BI_RLE8: - if (bmp_read_rle(im, infile, info)) { - return 1; - } - break; - - default: - return 1; - } - return 0; -} - -static int bmp_read_rle(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info) -{ - int ypos = 0, xpos = 0, row = 0, index = 0; - int rle_length = 0, rle_data = 0; - int padding = 0; - int i = 0, j = 0; - int pixels_per_byte = 8 / info->depth; - - for (ypos = 0; ypos < info->height && xpos <= info->width;) { - if (!gdGetByte(&rle_length, infile) || !gdGetByte(&rle_data, infile)) { - return 1; - } - row = info->height - ypos - 1; - - if (rle_length != BMP_RLE_COMMAND) { - if (im->open[rle_data]) { - im->open[rle_data] = 0; - } - - for (i = 0; (i < rle_length) && (xpos < info->width);) { - for (j = 1; (j <= pixels_per_byte) && (xpos < info->width) && (i < rle_length); j++, xpos++, i++) { - index = (rle_data & (((1 << info->depth) - 1) << (8 - (j * info->depth)))) >> (8 - (j * info->depth)); - if (im->open[index]) { - im->open[index] = 0; - } - gdImageSetPixel(im, xpos, row, index); - } - } - } else if (rle_length == BMP_RLE_COMMAND && rle_data > 2) { - /* Uncompressed RLE needs to be even */ - padding = 0; - for (i = 0; (i < rle_data) && (xpos < info->width); i += pixels_per_byte) { - int max_pixels = pixels_per_byte; - - if (!gdGetByte(&index, infile)) { - return 1; - } - padding++; - - if (rle_data - i < max_pixels) { - max_pixels = rle_data - i; - } - - for (j = 1; (j <= max_pixels) && (xpos < info->width); j++, xpos++) { - int temp = (index >> (8 - (j * info->depth))) & ((1 << info->depth) - 1); - if (im->open[temp]) { - im->open[temp] = 0; - } - gdImageSetPixel(im, xpos, row, temp); - } - } - - /* Make sure the bytes read are even */ - if (padding % 2 && !gdGetByte(&index, infile)) { - return 1; - } - } else if (rle_length == BMP_RLE_COMMAND && rle_data == BMP_RLE_ENDOFLINE) { - /* Next Line */ - xpos = 0; - ypos++; - } else if (rle_length == BMP_RLE_COMMAND && rle_data == BMP_RLE_DELTA) { - /* Delta Record, used for bmp files that contain other data*/ - if (!gdGetByte(&rle_length, infile) || !gdGetByte(&rle_data, infile)) { - return 1; - } - xpos += rle_length; - ypos += rle_data; - } else if (rle_length == BMP_RLE_COMMAND && rle_data == BMP_RLE_ENDOFBITMAP) { - /* End of bitmap */ - break; - } - } - return 0; -} - -#if GD_MAJOR_VERSION == 2 && GD_MINOR_VERSION < 1 -static int gdGetWordLSB(signed short int *result, gdIOCtx * ctx) -{ - unsigned int high = 0, low = 0; - low = (ctx->getC) (ctx); - if (low == EOF) { - return 0; - } - - high = (ctx->getC) (ctx); - if (high == EOF) { - return 0; - } - - if (result) { - *result = (high << 8) | low; - } - - return 1; -} - -static int gdGetIntLSB(signed int *result, gdIOCtx * ctx) -{ - int c = 0; - unsigned int r = 0; - - c = (ctx->getC) (ctx); - if (c == EOF) { - return 0; - } - r |= (c << 24); - r >>= 8; - - c = (ctx->getC) (ctx); - if (c == EOF) { - return 0; - } - r |= (c << 24); - r >>= 8; - - c = (ctx->getC) (ctx); - if (c == EOF) { - return 0; - } - r |= (c << 24); - r >>= 8; - - c = (ctx->getC) (ctx); - if (c == EOF) { - return 0; - } - r |= (c << 24); - - if (result) { - *result = (signed int)r; - } - - return 1; -} -#endif -- cgit v1.2.3