/* {{{ _php_image_output_ctx */ static void _php_image_output_ctx(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, void (*func_p)()) { zval *imgind; char *file = NULL; int file_len = 0; long quality, basefilter; gdImagePtr im; int argc = ZEND_NUM_ARGS(); int q = -1, i; int f = -1; gdIOCtx *ctx = NULL; zval *to_zval = NULL; php_stream *stream; /* The third (quality) parameter for Wbmp stands for the threshold when called from image2wbmp(). * The third (quality) parameter for Wbmp and Xbm stands for the foreground color index when called * from imagey<type>(). */ if (image_type == PHP_GDIMG_TYPE_XBM) { if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rp!|ll", &imgind, &file, &file_len, &quality, &basefilter) == FAILURE) { return; } } else { /* PHP_GDIMG_TYPE_GIF * PHP_GDIMG_TYPE_PNG * PHP_GDIMG_TYPE_JPG * PHP_GDIMG_TYPE_WBM * PHP_GDIMG_TYPE_WEBP * */ if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|z/!ll", &imgind, &to_zval, &quality, &basefilter) == FAILURE) { return; } } ZEND_FETCH_RESOURCE(im, gdImagePtr, &imgind, -1, "Image", phpi_get_le_gd()); if (argc >= 3) { q = quality; /* or colorindex for foreground of BW images (defaults to black) */ if (argc == 4) { f = basefilter; } } if (argc > 1 && to_zval != NULL) { if (Z_TYPE_P(to_zval) == IS_RESOURCE) { php_stream_from_zval_no_verify(stream, &to_zval); if (stream == NULL) { RETURN_FALSE; } } else if (Z_TYPE_P(to_zval) == IS_STRING) { if (CHECK_ZVAL_NULL_PATH(to_zval)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid 2nd parameter, filename must not contain null bytes"); RETURN_FALSE; } stream = php_stream_open_wrapper(Z_STRVAL_P(to_zval), "wb", REPORT_ERRORS|IGNORE_PATH|IGNORE_URL_WIN, NULL); if (stream == NULL) { RETURN_FALSE; } } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid 2nd parameter, it must a filename or a stream"); RETURN_FALSE; } } else { ctx = emalloc(sizeof(gdIOCtx)); ctx->putC = _php_image_output_putc; ctx->putBuf = _php_image_output_putbuf; ctx->gd_free = _php_image_output_ctxfree; #if APACHE && defined(CHARSET_EBCDIC) /* XXX this is unlikely to work any more [email protected] */ /* This is a binary file already: avoid EBCDIC->ASCII conversion */ ap_bsetflag(php3_rqst->connection->client, B_EBCDIC2ASCII, 0); #endif } if (!ctx) { ctx = emalloc(sizeof(gdIOCtx)); ctx->putC = _php_image_stream_putc; ctx->putBuf = _php_image_stream_putbuf; ctx->gd_free = _php_image_stream_ctxfree; ctx->data = (void *)stream; } switch(image_type) { case PHP_GDIMG_CONVERT_WBM: if(q<0||q>255) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q); } case PHP_GDIMG_TYPE_JPG: (*func_p)(im, ctx, q); break; case PHP_GDIMG_TYPE_WEBP: if (q == -1) { q = 80; } (*func_p)(im, ctx, q); break; case PHP_GDIMG_TYPE_PNG: (*func_p)(im, ctx, q, f); break; case PHP_GDIMG_TYPE_XBM: case PHP_GDIMG_TYPE_WBM: if (argc < 3) { for(i=0; i < gdImageColorsTotal(im); i++) { if(!gdImageRed(im, i) && !gdImageGreen(im, i) && !gdImageBlue(im, i)) break; } q = i; } if (image_type == PHP_GDIMG_TYPE_XBM) { (*func_p)(im, file, q, ctx); } else { (*func_p)(im, q, ctx); } break; default: (*func_p)(im, ctx); break; } #if HAVE_LIBGD204 ctx->gd_free(ctx); #else ctx->free(ctx); #endif RETURN_TRUE; }
/* {{{ _php_image_output_ctx */ static void _php_image_output_ctx(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, void (*func_p)()) { zval *imgind; char *file = NULL; size_t file_len = 0; zend_long quality, basefilter; zend_bool compressed = 1; gdImagePtr im; int argc = ZEND_NUM_ARGS(); int q = -1, i; int f = -1; gdIOCtx *ctx = NULL; zval *to_zval = NULL; php_stream *stream; int close_stream = 1; /* The third (quality) parameter for Wbmp stands for the foreground when called from image2wbmp(). * The third (quality) parameter for Wbmp and Xbm stands for the foreground color index when called * from imagey<type>(). */ switch (image_type) { case PHP_GDIMG_TYPE_XBM: if (zend_parse_parameters(argc, "rp!|ll", &imgind, &file, &file_len, &quality, &basefilter) == FAILURE) { return; } break; case PHP_GDIMG_TYPE_BMP: if (zend_parse_parameters(argc, "r|z!b", &imgind, &to_zval, &compressed) == FAILURE) { return; } break; default: /* PHP_GDIMG_TYPE_GIF * PHP_GDIMG_TYPE_PNG * PHP_GDIMG_TYPE_JPG * PHP_GDIMG_TYPE_WBM * PHP_GDIMG_TYPE_WEBP * */ if (zend_parse_parameters(argc, "r|z!ll", &imgind, &to_zval, &quality, &basefilter) == FAILURE) { return; } } if ((im = (gdImagePtr)zend_fetch_resource(Z_RES_P(imgind), "Image", phpi_get_le_gd())) == NULL) { RETURN_FALSE; } if (image_type != PHP_GDIMG_TYPE_BMP && argc >= 3) { q = quality; /* or colorindex for foreground of BW images (defaults to black) */ if (argc == 4) { f = basefilter; } } if (argc > 1 && to_zval != NULL) { if (Z_TYPE_P(to_zval) == IS_RESOURCE) { php_stream_from_zval_no_verify(stream, to_zval); if (stream == NULL) { RETURN_FALSE; } close_stream = 0; } else if (Z_TYPE_P(to_zval) == IS_STRING) { if (CHECK_ZVAL_NULL_PATH(to_zval)) { php_error_docref(NULL, E_WARNING, "Invalid 2nd parameter, filename must not contain null bytes"); RETURN_FALSE; } stream = php_stream_open_wrapper(Z_STRVAL_P(to_zval), "wb", REPORT_ERRORS|IGNORE_PATH|IGNORE_URL_WIN, NULL); if (stream == NULL) { RETURN_FALSE; } } else { php_error_docref(NULL, E_WARNING, "Invalid 2nd parameter, it must a filename or a stream"); RETURN_FALSE; } } else if (argc > 1 && file != NULL) { stream = php_stream_open_wrapper(file, "wb", REPORT_ERRORS|IGNORE_PATH|IGNORE_URL_WIN, NULL); if (stream == NULL) { RETURN_FALSE; } } else { ctx = ecalloc(1, sizeof(gdIOCtx)); ctx->putC = _php_image_output_putc; ctx->putBuf = _php_image_output_putbuf; ctx->gd_free = _php_image_output_ctxfree; } if (!ctx) { ctx = ecalloc(1, sizeof(gdIOCtx)); ctx->putC = _php_image_stream_putc; ctx->putBuf = _php_image_stream_putbuf; if (close_stream) { ctx->gd_free = _php_image_stream_ctxfreeandclose; } else { ctx->gd_free = _php_image_stream_ctxfree; } ctx->data = (void *)stream; } switch(image_type) { case PHP_GDIMG_CONVERT_WBM: if(q<0||q>255) { php_error_docref(NULL, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q); } case PHP_GDIMG_TYPE_JPG: (*func_p)(im, ctx, q); break; case PHP_GDIMG_TYPE_WEBP: if (q == -1) { q = 80; } (*func_p)(im, ctx, q); break; case PHP_GDIMG_TYPE_PNG: (*func_p)(im, ctx, q, f); break; case PHP_GDIMG_TYPE_XBM: case PHP_GDIMG_TYPE_WBM: if (argc < 3) { for(i=0; i < gdImageColorsTotal(im); i++) { if(!gdImageRed(im, i) && !gdImageGreen(im, i) && !gdImageBlue(im, i)) break; } q = i; } if (image_type == PHP_GDIMG_TYPE_XBM) { (*func_p)(im, file ? file : "", q, ctx); } else { (*func_p)(im, q, ctx); } break; case PHP_GDIMG_TYPE_BMP: (*func_p)(im, ctx, (int) compressed); break; default: (*func_p)(im, ctx); break; } ctx->gd_free(ctx); RETURN_TRUE; }