8 Commits

Author	SHA1	Message	Date
James Zern	637141bc7c	pngdec: fix build w/libpng < 1.4.x ... after: bc5092b1 pngdec: set memory functions png_alloc_size_t was added in 1.4 use png_size_t in earlier versions Change-Id: If65ac1c501e2d497b1be480095bf21f06ea7026a	2018-09-28 17:42:27 -07:00
James Zern	bc5092b162	pngdec: set memory functions ... use png_create_read_struct_2 to set a malloc function allowing the code to fail on large allocations while fuzzing Change-Id: Iaca1b93ecc6570067708f3ae2db07fbca74386ee	2018-09-28 00:35:47 -07:00
Pascal Massimino	78318b30e5	PNG decoder: handle gAMA chunk ... Apply gamma correction to the decoded RGB values. This handles corner cases where the PNG file doesn't have a standard 1/2.2 gamma value. BUG=webp:369 Change-Id: I9907b6e2c458002de7c26d0b9e416278cca33990	2018-01-05 10:56:52 -08:00
Pascal Massimino	259e98286a	replace 'ptr + y * stride' by 'ptr += stride' ... This is to prevent potential overflow. Change-Id: I9d21cfe790ba975bd5e117b025ea4d9deaeae4ab	2017-01-04 00:54:23 -08:00
James Zern	2a2773ea29	imageio/*dec,Read*: add input parameter checks ... Change-Id: I5e069d6ea4da9d8c71be03ef99aad679dd1aad21	2016-10-12 20:49:30 -07:00
James Zern	bc86b7a8a1	imageio_util: add ImgIoUtilCheckSizeArgumentsOverflow ... and use it to validate decoder allocations. fixes a crash in jpegdec at least. BUG=webp:312 Change-Id: Ia940590098f29510add6aad10a8dfe9e9ea46bf4	2016-10-07 14:41:48 -07:00
James Zern	4cecab63bd	pngdec.c,jpegdec.[hc]: remove unnecessary includes ... example_util.h hasn't been needed since: a9947c3 cwebp: add support for stdin input Change-Id: Ic4fcefd5567aa3f4a5c1d443e8c6d9b4fc2fb53f	2016-07-20 12:12:14 -07:00
James Zern	c379b55a93	move examples/{example_util,image_dec} to imageio/ ... Change-Id: I2508c786a095a2a75bebf766210c64e2af88f9b6	2016-07-19 19:06:29 -07:00