SVG印刷対応とメディア情報APIを追加

SVG入力を現在テープ幅に自動フィットして印刷できるようにし、アプリ側が余白計算できるようにテープ幅・DPI・最小送り量を取得するAPIを追加する。

Made-with: Cursor

CMakeLists.txt

@@ -14,6 +14,7 @@ include(GNUInstallDirs)
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(LIBUSB REQUIRED IMPORTED_TARGET libusb-1.0)
 find_package(PNG REQUIRED)
+pkg_check_modules(LIBRSVG IMPORTED_TARGET librsvg-2.0)
 
 configure_file(
 	"${CMAKE_CURRENT_SOURCE_DIR}/include/libptouch_version.h.in"
@@ -25,9 +26,11 @@ set(LIBPTOUCH_SOURCES
 	src/lib/libptouch_core.c
 	src/lib/libptouch_usb.c
 	src/lib/libptouch_layout.c
+	src/lib/libptouch_media_info.c
 	src/lib/libptouch_print.c
 	src/lib/libptouch_status.c
 	src/lib/libptouch_png.c
+	src/lib/libptouch_svg.c
 )
 
 add_library(ptouch STATIC ${LIBPTOUCH_SOURCES})
@@ -52,6 +55,12 @@ target_include_directories(ptouch_shared PRIVATE
 )
 target_link_libraries(ptouch PRIVATE PkgConfig::LIBUSB PNG::PNG)
 target_link_libraries(ptouch_shared PRIVATE PkgConfig::LIBUSB PNG::PNG)
+if(LIBRSVG_FOUND)
+	target_link_libraries(ptouch PRIVATE PkgConfig::LIBRSVG)
+	target_link_libraries(ptouch_shared PRIVATE PkgConfig::LIBRSVG)
+	target_compile_definitions(ptouch PRIVATE LIBPTOUCH_HAS_RSVG=1)
+	target_compile_definitions(ptouch_shared PRIVATE LIBPTOUCH_HAS_RSVG=1)
+endif()
 if(NOT MSVC)
 	target_compile_options(ptouch PRIVATE -Wall -Wextra -Wpedantic)
 	target_compile_options(ptouch_shared PRIVATE -Wall -Wextra -Wpedantic)