Files
effector/CMakeLists.txt
T
SiandClaude Opus 5 d48a81c665 Offer standard web and print canvas formats
The canvas was two spin buttons, so "an Instagram story" or "A4 at 300 dpi"
was a number the user had to work out. src/core/canvas.cpp now holds one
table of standard sizes both front-ends read: a web format is a fixed pixel
size, a print format a sheet in millimetres that becomes pixels at a dpi.
Adding a format is a line in canvasFormats() — the dropdown, --format and
--help all walk the table.

The pixels stay the truth everywhere; renderChain never hears about formats.
A format is the presentation of a canvas, carried alongside the pixels in
Options and Project and empty for a custom size, and where one is named it
decides the pixels — so a project saved as A4 reopens as A4 rather than as
whatever it happened to measure.

In the interface a format fills the width and height in and greys them out
rather than hiding them: the size a sheet works out to is worth seeing. A
print format also shows a DPI row, and Custom hands the spins back keeping
the last size, which makes starting from a format and then tweaking it the
ordinary path.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-18 22:34:17 +02:00

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CMake

cmake_minimum_required(VERSION 3.20)
project(effector VERSION 0.1.0 LANGUAGES CXX)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
endif()
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
find_package(PkgConfig REQUIRED)
pkg_check_modules(GTKMM REQUIRED IMPORTED_TARGET gtkmm-4.0)
pkg_check_modules(GDKPIXBUF REQUIRED IMPORTED_TARGET gdk-pixbuf-2.0)
# Pango and Cairo draw the text effect's glyphs. Neither needs a display, so
# the core stays headless.
pkg_check_modules(PANGOCAIRO REQUIRED IMPORTED_TARGET pangocairo)
find_package(Threads REQUIRED)
# --- core: effects and image handling, no GUI ---------------------------------
add_library(effector_core STATIC
src/core/canvas.cpp
src/core/chain.cpp
src/core/effect.cpp
src/core/image.cpp
src/core/params.cpp
src/core/project.cpp
src/core/registry.cpp
src/core/rng.cpp
src/effects/blur.cpp
src/effects/grain.cpp
src/effects/monochrome.cpp
src/effects/overlay.cpp
src/effects/scanlines.cpp
src/effects/text.cpp
src/effects/tiles.cpp
)
target_include_directories(effector_core PUBLIC src)
# The core is GUI-free: it only needs gdk-pixbuf for decoding and encoding,
# so headless rendering works without a display.
target_link_libraries(effector_core PUBLIC PkgConfig::GDKPIXBUF PkgConfig::PANGOCAIRO Threads::Threads)
target_compile_options(effector_core PRIVATE -Wall -Wextra -Wpedantic)
# --- application --------------------------------------------------------------
add_executable(effector
src/main.cpp
src/cli/options.cpp
src/gui/app.cpp
src/gui/window.cpp
)
target_link_libraries(effector PRIVATE effector_core PkgConfig::GTKMM)
target_compile_options(effector PRIVATE -Wall -Wextra -Wpedantic)
install(TARGETS effector RUNTIME DESTINATION bin)
# --- tests --------------------------------------------------------------------
include(CTest)
if(BUILD_TESTING)
add_subdirectory(tests)
endif()