Merge pull request #755 from libgd/bug/750
Partial fix for #750, BMP and WebP. Gif's usage of PutBuf needs too much refactoring for the actual gain here."master
commit
6f5136821b
14
src/gd_bmp.c
14
src/gd_bmp.c
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@ -30,6 +30,7 @@
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#include <stdlib.h>
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#include "gd.h"
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#include "gdhelpers.h"
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#include "gd_errors.h"
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#include "bmp.h"
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static int compress_row(unsigned char *uncompressed_row, int length);
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@ -266,7 +267,11 @@ static int _gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression)
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bitmap_size += compressed_size;
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gdPutBuf(uncompressed_row, compressed_size, out);
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if (gdPutBuf(uncompressed_row, compressed_size, out) != compressed_size){
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gd_error("gd-bmp write error\n");
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error = 1;
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break;
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}
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gdPutC(BMP_RLE_COMMAND, out);
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gdPutC(BMP_RLE_ENDOFLINE, out);
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bitmap_size += 2;
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@ -325,7 +330,10 @@ static int _gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression)
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if (buffer_size == 0) {
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break;
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}
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gdPutBuf(copy_buffer , buffer_size, out_original);
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if (gdPutBuf(copy_buffer , buffer_size, out_original) != buffer_size) {
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gd_error("gd-bmp write error\n");
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error = 1;
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}
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}
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gdFree(copy_buffer);
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@ -335,7 +343,7 @@ static int _gdImageBmpCtx(gdImagePtr im, gdIOCtxPtr out, int compression)
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out_original = NULL;
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}
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ret = 0;
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ret = error;
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cleanup:
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if (tmpfile_for_compression) {
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#ifdef _WIN32
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@ -227,8 +227,13 @@ static int _gdImageWebpCtx (gdImagePtr im, gdIOCtx * outfile, int quality)
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ret = 1;
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goto freeargb;
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}
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gdPutBuf(out, out_size, outfile);
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int res = gdPutBuf(out, out_size, outfile);
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free(out);
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if (res != out_size) {
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gd_error("gd-webp write error\n");
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ret = 1;
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}
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freeargb:
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gdFree(argb);
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