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saver/png: support png saver #3874

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saver/png: support png saver #3874

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f79ebff
saver/png: loaders/png/tvgLodePng -> common/tvgPngCodec
Nor-s Oct 26, 2025
aab4320
test/saver: add PngSaver test code
Nor-s Oct 26, 2025
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -8,3 +8,4 @@ doc
*.tmp
*.code-workspace
.DS_Store
test/resources/saver*
6 changes: 6 additions & 0 deletions meson.build
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Expand Up @@ -61,6 +61,7 @@ webp_loader = all_loaders or get_option('loaders').contains('webp')
#Savers
all_savers = get_option('savers').contains('all')
gif_saver = all_savers or get_option('savers').contains('gif') or lottie2gif
png_saver = all_savers or get_option('savers').contains('png')

#logging
logging = get_option('log')
Expand Down Expand Up @@ -94,6 +95,10 @@ if gif_saver
config_h.set10('THORVG_GIF_SAVER_SUPPORT', true)
endif

if png_saver
config_h.set10('THORVG_PNG_SAVER_SUPPORT', true)
endif

#Vectorization
simd_type = 'none'

Expand Down Expand Up @@ -212,6 +217,7 @@ summary(
summary(
{
'GIF': gif_saver,
'PNG': png_saver,
},
section: 'Saver',
bool_yn: true,
Expand Down
2 changes: 1 addition & 1 deletion meson_options.txt
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Expand Up @@ -17,7 +17,7 @@ option('loaders',

option('savers',
type: 'array',
choices: ['', 'gif', 'all'],
choices: ['', 'png', 'gif', 'all'],
value: [''],
description: 'Enable File Savers in thorvg')

Expand Down
17 changes: 17 additions & 0 deletions src/common/meson.build
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Expand Up @@ -13,6 +13,23 @@ source_file = [
'tvgStr.cpp'
]

static_png = false
if png_saver or png_loader
if get_option('static')
static_png = true
else
png_dep = dependency('libpng', required: false)
static_png = not png_dep.found()
endif
endif

if static_png
source_file += [
'tvgPngCodec.h',
'tvgPngCodec.cpp',
]
endif

utils_dep = declare_dependency(
include_directories : include_directories('.'),
sources : source_file)
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