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From: Igor Murzov <e-mail@date.by> 

Subject: [E-devel] [PATCH][RESEND][Evas] WebP image loader

This patch adds a WebP image loader to Evas. No saver,
no animation support for now, just loader. Tested with
the libwebp-0.2.0 only, but should work fine with older
versions.



SVN revision: 75951
This commit is contained in:
Igor Murzov 2012-09-03 06:22:59 +00:00 committed by Carsten Haitzler
parent e7d316dbc2
commit e42648154f
15 changed files with 436 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
legacy/evas/AUTHORS
View File

@ -37,3 +37,4 @@ Jérôme Pinot <ngc891@gmail.com>
Rafael Antognolli <antognolli@profusion.mobi>
Daniel Zaoui <daniel.zaoui@samsung.com>
Christophe Sadoine <chris@indefini.org>
Igor Murzov <e-mail@date.by>

4
legacy/evas/ChangeLog
View File

@ -1008,3 +1008,7 @@
* Fix seg fault in the esvg loader, latest code is required, and
enable it on Windows.
2012-09-03 Igor Murzov
* Add WEBP loader module and cserve2 binary loader patch.

4
legacy/evas/NEWS
View File

@ -3,6 +3,10 @@ Evas 1.8.0
Changes since Evas 1.7.0:
-------------------------
Additions:
* WEBP image loader support.
Improvements:
* Function to rotate an evas map with a quaternion: evas_map_util_quat_rotate().

3
legacy/evas/README
View File

@ -527,6 +527,9 @@ egueb
this loader uses libtiff to load tiff image files
--enable-image-loader-webp[=static]
this loader uses libwebp to load webp image files
--enable-image-loader-xpm[=static]

6
legacy/evas/configure.ac
View File

@ -126,6 +126,7 @@ want_evas_image_loader_xpm="yes"
want_evas_image_loader_bmp="yes"
want_evas_image_loader_tga="yes"
want_evas_image_loader_wbmp="yes"
want_evas_image_loader_webp="yes"
want_evas_image_loader_ico="yes"
want_evas_image_loader_psd="yes"
want_evas_image_loader_generic="yes"
@ -1058,6 +1059,8 @@ EVAS_CHECK_IMAGE_LOADER([TGA], [${want_evas_image_loader_tga}])
EVAS_CHECK_IMAGE_LOADER([WBMP], [${want_evas_image_loader_wbmp}])
EVAS_CHECK_IMAGE_LOADER([WEBP], [${want_evas_image_loader_webp}])
EVAS_CHECK_IMAGE_LOADER([ICO], [${want_evas_image_loader_ico}])
EVAS_CHECK_IMAGE_LOADER([PSD], [${want_evas_image_loader_psd}])
@ -1845,6 +1848,7 @@ src/bin/loaders/ico/Makefile
src/bin/loaders/tga/Makefile
src/bin/loaders/pmaps/Makefile
src/bin/loaders/wbmp/Makefile
src/bin/loaders/webp/Makefile
src/bin/loaders/psd/Makefile
src/lib/Makefile
src/lib/canvas/Makefile
@ -1900,6 +1904,7 @@ src/modules/loaders/tga/Makefile
src/modules/loaders/svg/Makefile
src/modules/loaders/pmaps/Makefile
src/modules/loaders/wbmp/Makefile
src/modules/loaders/webp/Makefile
src/modules/loaders/psd/Makefile
src/modules/loaders/generic/Makefile
src/modules/savers/Makefile
@ -1994,6 +1999,7 @@ echo " SVG.....................: $have_evas_image_loader_svg"
echo " TGA.....................: $have_evas_image_loader_tga"
echo " TIFF....................: $have_evas_image_loader_tiff"
echo " WBMP....................: $have_evas_image_loader_wbmp"
echo " WEBP....................: $have_evas_image_loader_webp"
echo " XPM.....................: $have_evas_image_loader_xpm"
echo
echo "Font Sourcing Systems:"

32
legacy/evas/m4/evas_check_loader.m4
View File

@ -429,6 +429,38 @@ fi
])
dnl use: EVAS_CHECK_LOADER_DEP_WEBP(loader, want_static[, ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
AC_DEFUN([EVAS_CHECK_LOADER_DEP_WEBP],
[
have_dep="no"
evas_image_loader_[]$1[]_cflags=""
evas_image_loader_[]$1[]_libs=""
AC_CHECK_HEADER([webp/decode.h], [have_dep="yes"])
if test "x${have_dep}" = "xyes" ; then
AC_CHECK_LIB([webp],
[WebPDecodeRGBA],
[
evas_image_loader_[]$1[]_libs="-lwebp"
],
[have_dep="no"]
)
fi
AC_SUBST([evas_image_loader_$1_cflags])
AC_SUBST([evas_image_loader_$1_libs])
if test "x${have_dep}" = "xyes" ; then
m4_default([$3], [:])
else
m4_default([$4], [:])
fi
])
dnl use: EVAS_CHECK_LOADER_DEP_GENERIC(loader, want_static[, ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
AC_DEFUN([EVAS_CHECK_LOADER_DEP_GENERIC],

3
legacy/evas/src/bin/evas_cserve2_slave.c
View File

@ -50,6 +50,7 @@ static const struct ext_loader_s map_loaders[] =
MATCHING(".bmp", "bmp"),
MATCHING(".tga", "tga"),
MATCHING(".wbmp", "wbmp"),
MATCHING(".webp", "webp"),
MATCHING(".ico", "ico"),
MATCHING(".cur", "ico"),
MATCHING(".psd", "psd")
@ -57,7 +58,7 @@ static const struct ext_loader_s map_loaders[] =
static const char *loaders_name[] =
{ /* in order of most likely needed */
"png", "jpeg", "eet", "xpm", "tiff", "gif", "svg", "pmaps", "bmp", "tga", "wbmp", "ico", "psd", "edb"
"png", "jpeg", "eet", "xpm", "tiff", "gif", "svg", "webp", "pmaps", "bmp", "tga", "wbmp", "ico", "psd", "edb"
};
Eina_Bool

4
legacy/evas/src/bin/loaders/Makefile.am
View File

@ -42,6 +42,10 @@ if BUILD_LOADER_WBMP
SUBDIRS += wbmp
endif
if BUILD_LOADER_WEBP
SUBDIRS += webp
endif
if BUILD_LOADER_XPM
SUBDIRS += xpm
endif

33
legacy/evas/src/bin/loaders/webp/Makefile.am Normal file
View File

@ -0,0 +1,33 @@
MAINTAINERCLEANFILES = Makefile.in
AM_CPPFLAGS = \
-I. \
-I$(top_srcdir)/src/lib \
-I$(top_srcdir)/src/lib/include \
-I$(top_srcdir)/src/lib/cserve2 \
-I$(top_srcdir)/src/bin \
@EINA_CFLAGS@ \
@evas_image_loader_webp_cflags@ \
@EVIL_CFLAGS@
if BUILD_LOADER_WEBP
#if !EVAS_STATIC_BUILD_WEBP
pkgdir = $(libdir)/evas/cserve2/loaders/webp/$(MODULE_ARCH)
pkg_LTLIBRARIES = module.la
module_la_SOURCES = evas_image_load_webp.c
module_la_LIBADD = @EINA_LIBS@ @evas_image_loader_webp_libs@ @EVIL_LIBS@
module_la_LDFLAGS = -no-undefined @lt_enable_auto_import@ -module -avoid-version
module_la_LIBTOOLFLAGS = --tag=disable-static
#else
#noinst_LTLIBRARIES = libevas_loader_webp.la
#libevas_loader_webp_la_SOURCES = evas_image_load_webp.c
#libevas_loader_webp_la_LIBADD = @evas_image_loader_webp_libs@
#endif
endif

135
legacy/evas/src/bin/loaders/webp/evas_image_load_webp.c Normal file
View File

@ -0,0 +1,135 @@
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <webp/decode.h>
#ifdef HAVE_EVIL
# include <Evil.h>
#endif
#include "evas_macros.h"
#include "evas_cserve2.h"
#include "evas_cserve2_slave.h"
static Eina_Bool
evas_image_load_file_head_webp(Evas_Img_Load_Params *ilp, const char *file, const char *key __UNUSED__, int *error)
{
WebPDecoderConfig config;
FILE *f;
size_t header_size = 30;
uint8_t header[30];
f = fopen(file, "rb");
if (!f)
{
*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
return EINA_FALSE;
}
if (fread(header, header_size, 1, f) != 1)
{
fclose(f);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
}
fclose(f);
if (!WebPInitDecoderConfig(&config))
{
*error = EVAS_LOAD_ERROR_CORRUPT_FILE;
return EINA_FALSE;
}
if (WebPGetFeatures(header, header_size, &config.input) != VP8_STATUS_OK)
{
*error = EVAS_LOAD_ERROR_CORRUPT_FILE;
return EINA_FALSE;
}
ilp->w = config.input.width;
ilp->h = config.input.height;
ilp->alpha = config.input.has_alpha;
*error = EVAS_LOAD_ERROR_NONE;
return EINA_TRUE;
}
static Eina_Bool
evas_image_load_file_data_webp(Evas_Img_Load_Params *ilp, const char *file, const char *key __UNUSED__, int *error)
{
FILE *f;
size_t file_size;
uint8_t *data, *decoded;
int width, height;
f = fopen(file, "rb");
if (!f)
{
*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
return EINA_FALSE;
}
if (fseek(f, 0, SEEK_END) != 0)
{
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
goto close_file;
}
file_size = ftell(f);
if (fseek(f, 0, SEEK_SET) != 0)
{
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
goto close_file;
}
data = malloc(file_size);
if (!data)
{
*error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
goto close_file;
}
if (fread(data, file_size, 1, f) != 1)
{
free(data);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
goto close_file;
}
fclose(f);
decoded = WebPDecodeBGRA(data, file_size, &width, &height);
memcpy(ilp->buffer, decoded, width * height * 4);
evas_cserve2_image_premul(ilp);
free(decoded);
free(data);
*error = EVAS_LOAD_ERROR_NONE;
return EINA_TRUE;
close_file:
fclose(f);
return EINA_FALSE;
}
static Evas_Loader_Module_Api modapi =
{
EVAS_CSERVE2_MODULE_API_VERSION,
"webp",
evas_image_load_file_head_webp,
evas_image_load_file_data_webp
};
static Eina_Bool
module_init(void)
{
return evas_cserve2_loader_register(&modapi);
}
static void
module_shutdown(void)
{
}
EINA_MODULE_INIT(module_init);
EINA_MODULE_SHUTDOWN(module_shutdown);

3
legacy/evas/src/lib/engines/common/evas_image_load.c
View File

@ -47,6 +47,7 @@ static const struct ext_loader_s loaders[] =
MATCHING(".bmp", "bmp"),
MATCHING(".tga", "tga"),
MATCHING(".wbmp", "wbmp"),
MATCHING(".webp", "webp"),
MATCHING(".ico", "ico"),
MATCHING(".cur", "ico"),
MATCHING(".psd", "psd"),
@ -127,7 +128,7 @@ static const struct ext_loader_s loaders[] =
static const char *loaders_name[] =
{ /* in order of most likely needed */
"png", "jpeg", "eet", "xpm", "tiff", "gif", "svg", "pmaps", "bmp", "tga", "wbmp", "ico", "psd", "edb", "generic"
"png", "jpeg", "eet", "xpm", "tiff", "gif", "svg", "webp", "pmaps", "bmp", "tga", "wbmp", "ico", "psd", "edb", "generic"
};
struct evas_image_foreach_loader_data

4
legacy/evas/src/lib/file/evas_module.c
View File

@ -123,6 +123,7 @@ EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, svg);
EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, tga);
EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, tiff);
EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, wbmp);
EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, webp);
EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, xpm);
EVAS_EINA_STATIC_MODULE_DEFINE(image_saver, edb);
EVAS_EINA_STATIC_MODULE_DEFINE(image_saver, eet);
@ -233,6 +234,9 @@ static const struct {
#ifdef EVAS_STATIC_BUILD_WBMP
EVAS_EINA_STATIC_MODULE_USE(image_loader, wbmp),
#endif
#ifdef EVAS_STATIC_BUILD_WEBP
EVAS_EINA_STATIC_MODULE_USE(image_loader, webp),
#endif
#ifdef EVAS_STATIC_BUILD_XPM
EVAS_EINA_STATIC_MODULE_USE(image_loader, xpm),
#endif

6
legacy/evas/src/modules/loaders/Makefile.am
View File

@ -86,6 +86,12 @@ SUBDIRS += wbmp
endif
endif
if BUILD_LOADER_WEBP
if !EVAS_STATIC_BUILD_WEBP
SUBDIRS += webp
endif
endif
if BUILD_LOADER_XPM
if !EVAS_STATIC_BUILD_XPM
SUBDIRS += xpm

35
legacy/evas/src/modules/loaders/webp/Makefile.am Normal file
View File

@ -0,0 +1,35 @@
MAINTAINERCLEANFILES = Makefile.in
AM_CPPFLAGS = \
-I. \
-I$(top_srcdir)/src/lib \
-I$(top_srcdir)/src/lib/include \
@FREETYPE_CFLAGS@ \
@PIXMAN_CFLAGS@ \
@EINA_CFLAGS@ \
@FRIBIDI_CFLAGS@ \
@evas_image_loader_webp_cflags@ \
@EVIL_CFLAGS@
if BUILD_LOADER_WEBP
if !EVAS_STATIC_BUILD_WEBP
pkgdir = $(libdir)/evas/modules/loaders/webp/$(MODULE_ARCH)
pkg_LTLIBRARIES = module.la
module_la_SOURCES = evas_image_load_webp.c
module_la_LIBADD = @EINA_LIBS@ @EVIL_LIBS@ @evas_image_loader_webp_libs@ $(top_builddir)/src/lib/libevas.la
module_la_LDFLAGS = -no-undefined @lt_enable_auto_import@ -module -avoid-version
module_la_LIBTOOLFLAGS = --tag=disable-static
else
noinst_LTLIBRARIES = libevas_loader_webp.la
libevas_loader_webp_la_SOURCES = evas_image_load_webp.c
libevas_loader_webp_la_LIBADD = @evas_image_loader_webp_libs@
endif
endif

165
legacy/evas/src/modules/loaders/webp/evas_image_load_webp.c Normal file
View File

@ -0,0 +1,165 @@
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <webp/decode.h>
#ifdef HAVE_EVIL
# include <Evil.h>
#endif
#include "evas_common.h"
#include "evas_private.h"
static Eina_Bool evas_image_load_file_head_webp(Image_Entry *ie, const char *file, const char *key, int *error) EINA_ARG_NONNULL(1, 2, 4);
static Eina_Bool evas_image_load_file_data_webp(Image_Entry *ie, const char *file, const char *key, int *error) EINA_ARG_NONNULL(1, 2, 4);
static Evas_Image_Load_Func evas_image_load_webp_func =
{
EINA_TRUE,
evas_image_load_file_head_webp,
evas_image_load_file_data_webp,
NULL,
EINA_FALSE
};
static Eina_Bool
evas_image_load_file_head_webp(Image_Entry *ie, const char *file, const char *key __UNUSED__, int *error)
{
WebPDecoderConfig config;
FILE *f;
size_t header_size = 30;
uint8_t header[30];
f = fopen(file, "rb");
if (!f)
{
*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
return EINA_FALSE;
}
if (fread(header, header_size, 1, f) != 1)
{
fclose(f);
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
return EINA_FALSE;
}
fclose(f);
if (!WebPInitDecoderConfig(&config))
{
*error = EVAS_LOAD_ERROR_CORRUPT_FILE;
return EINA_FALSE;
}
if (WebPGetFeatures(header, header_size, &config.input) != VP8_STATUS_OK)
{
*error = EVAS_LOAD_ERROR_CORRUPT_FILE;
return EINA_FALSE;
}
ie->w = config.input.width;
ie->h = config.input.height;
ie->flags.alpha = config.input.has_alpha;
*error = EVAS_LOAD_ERROR_NONE;
return EINA_TRUE;
}
static Eina_Bool
evas_image_load_file_data_webp(Image_Entry *ie, const char *file, const char *key __UNUSED__, int *error)
{
FILE *f;
size_t file_size;
uint8_t *data, *decoded, *surface;
int width, height;
f = fopen(file, "rb");
if (!f)
{
*error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
return EINA_FALSE;
}
if (fseek(f, 0, SEEK_END) != 0)
{
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
goto close_file;
}
file_size = ftell(f);
if (fseek(f, 0, SEEK_SET) != 0)
{
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
goto close_file;
}
data = malloc(file_size);
if (!data)
{
*error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
goto close_file;
}
if (fread(data, file_size, 1, f) != 1)
{
*error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
goto free_data;
}
evas_cache_image_surface_alloc(ie, ie->w, ie->h);
surface = evas_cache_image_pixels(ie);
if (!surface)
{
*error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
goto free_data;
}
decoded = WebPDecodeBGRA(data, file_size, &width, &height);
memcpy(surface, decoded, width * height * 4);
evas_common_image_premul(ie);
free(decoded);
free(data);
fclose(f);
*error = EVAS_LOAD_ERROR_NONE;
return EINA_TRUE;
free_data:
free(data);
close_file:
fclose(f);
return EINA_FALSE;
}
static int
module_open(Evas_Module *em)
{
if (!em) return 0;
em->functions = (void *)(&evas_image_load_webp_func);
return 1;
}
static void
module_close(Evas_Module *em __UNUSED__)
{
}
static Evas_Module_Api evas_modapi =
{
EVAS_MODULE_API_VERSION,
"webp",
"none",
{
module_open,
module_close
}
};
EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_IMAGE_LOADER, image_loader, webp);
#ifndef EVAS_STATIC_BUILD_WEBP
EVAS_EINA_MODULE_DEFINE(image_loader, webp);
#endif