canvas_ity: add recipe

recipes/canvas_ity/all/conandata.yml

@@ -0,0 +1,4 @@
+sources:
+  "1.00":
+    url: "https://github.com/a-e-k/canvas_ity/archive/f32fbb37e2fe7c0fcaee6ebdc02d3e5385603fd5.tar.gz"
+    sha256: "be0d9ef9a023ba732e403fe8c1ec9e1cd8f02c75777c09562067c9270612a3ed"

recipes/canvas_ity/all/conanfile.py

@@ -0,0 +1,48 @@
+from conan import ConanFile
+from conan.tools.files import get, copy, load, save
+from conan.tools.layout import basic_layout
+import os
+
+
+required_conan_version = ">=1.50.0"
+
+
+class CanvasItyConan(ConanFile):
+    name = "canvas_ity"
+    description = "A tiny, single-header <canvas>-like 2D rasterizer for C++"
+    license = "ISC"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/project/package"
+    topics = ("rasterizer", "canvas", "2d", "header-only")
+    settings = "os", "arch", "compiler", "build_type"
+    no_copy_source = True
+
+    def layout(self):
+        basic_layout(self, src_folder="src")
+
+    def package_id(self):
+        self.info.clear()
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], destination=self.source_folder, strip_root=True)
+
+    def build(self):
+        pass
+
+    def package(self):
+        filename = os.path.join(self.source_folder, "src", "canvas_ity.hpp")
+        file_content = load(self, filename)
+        license_end = "// ======== ABOUT ========"
+        license_contents = file_content[:file_content.find(license_end)].replace("//", "")
+        save(self, os.path.join(self.package_folder, "licenses", "LICENSE"), license_contents)
+
+        copy(
+            self,
+            pattern="*.hpp",
+            dst=os.path.join(self.package_folder, "include"),
+            src=os.path.join(self.source_folder, "src"),
+        )
+
+    def package_info(self):
+        self.cpp_info.bindirs = []
+        self.cpp_info.libdirs = []

recipes/canvas_ity/all/test_package/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package LANGUAGES CXX)
+
+find_package(canvas_ity REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE canvas_ity::canvas_ity)

recipes/canvas_ity/all/test_package/conanfile.py

@@ -0,0 +1,26 @@
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import cmake_layout, CMake
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeDeps", "CMakeToolchain", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def layout(self):
+        cmake_layout(self)
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindirs[0], "test_package")
+            self.run(bin_path, env="conanrun")

recipes/canvas_ity/all/test_package/test_package.cpp

@@ -0,0 +1,71 @@
+#include <algorithm>
+#include <fstream>
+
+#define CANVAS_ITY_IMPLEMENTATION
+#include "canvas_ity.hpp"
+
+int main() {
+    // Construct the canvas.
+    static int const width = 256, height = 256;
+    canvas_ity::canvas context( width, height );
+
+    // Build a star path.
+    context.move_to( 128.0f,  28.0f ); context.line_to( 157.0f,  87.0f );
+    context.line_to( 223.0f,  97.0f ); context.line_to( 175.0f, 143.0f );
+    context.line_to( 186.0f, 208.0f ); context.line_to( 128.0f, 178.0f );
+    context.line_to(  69.0f, 208.0f ); context.line_to(  80.0f, 143.0f );
+    context.line_to(  32.0f,  97.0f ); context.line_to(  98.0f,  87.0f );
+    context.close_path();
+
+    // Set up the drop shadow.
+    context.set_shadow_blur( 8.0f );
+    context.shadow_offset_y = 4.0f;
+    context.set_shadow_color( 0.0f, 0.0f, 0.0f, 0.5f );
+
+    // Fill the star with yellow.
+    context.set_color( canvas_ity::fill_style, 1.0f, 0.9f, 0.2f, 1.0f );
+    context.fill();
+
+    // Draw the star with a thick red stroke and rounded points.
+    context.line_join = canvas_ity::rounded;
+    context.set_line_width( 12.0f );
+    context.set_color( canvas_ity::stroke_style, 0.9f, 0.0f, 0.5f, 1.0f );
+    context.stroke();
+
+    // Draw the star again with a dashed thinner orange stroke.
+    float segments[] = { 21.0f, 9.0f, 1.0f, 9.0f, 7.0f, 9.0f, 1.0f, 9.0f };
+    context.set_line_dash( segments, 8 );
+    context.line_dash_offset = 10.0f;
+    context.line_cap = canvas_ity::circle;
+    context.set_line_width( 6.0f );
+    context.set_color( canvas_ity::stroke_style, 0.95f, 0.65f, 0.15f, 1.0f );
+    context.stroke();
+
+    // Turn off the drop shadow.
+    context.set_shadow_color( 0.0f, 0.0f, 0.0f, 0.0f );
+
+    // Add a shine layer over the star.
+    context.set_linear_gradient( canvas_ity::fill_style, 64.0f, 0.0f, 192.0f, 256.0f );
+    context.add_color_stop( canvas_ity::fill_style, 0.30f, 1.0f, 1.0f, 1.0f, 0.0f );
+    context.add_color_stop( canvas_ity::fill_style, 0.35f, 1.0f, 1.0f, 1.0f, 0.8f );
+    context.add_color_stop( canvas_ity::fill_style, 0.45f, 1.0f, 1.0f, 1.0f, 0.8f );
+    context.add_color_stop( canvas_ity::fill_style, 0.50f, 1.0f, 1.0f, 1.0f, 0.0f );
+
+    context.global_composite_operation = canvas_ity::source_atop;
+    context.fill_rectangle( 0.0f, 0.0f, 256.0f, 256.0f );
+
+    // Fetch the rendered RGBA pixels from the entire canvas.
+    unsigned char *image = new unsigned char[ height * width * 4 ];
+    context.get_image_data( image, width, height, width * 4, 0, 0 );
+    // Write them out to a TGA image file (TGA uses BGRA order).
+    unsigned char header[] = { 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        width & 255, width >> 8, height & 255, height >> 8, 32, 40 };
+    for ( int pixel = 0; pixel < height * width; ++pixel )
+        std::swap( image[ pixel * 4 + 0 ], image[ pixel * 4 + 2 ] );
+    std::ofstream stream( "example.tga", std::ios::binary );
+    stream.write( reinterpret_cast< char * >( header ), sizeof( header ) );
+    stream.write( reinterpret_cast< char * >( image ), height * width * 4 );
+    delete[] image;
+
+    return 0;
+}

recipes/canvas_ity/all/test_v1_package/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../test_package/
+                 ${CMAKE_CURRENT_BINARY_DIR}/test_package/)

recipes/canvas_ity/all/test_v1_package/conanfile.py

@@ -0,0 +1,18 @@
+from conans import ConanFile, CMake
+from conan.tools.build import cross_building
+import os
+
+
+class TestPackageV1Conan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "cmake", "cmake_find_package_multi"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not cross_building(self):
+            bin_path = os.path.join("bin", "test_package")
+            self.run(bin_path, run_environment=True)

recipes/canvas_ity/config.yml

@@ -0,0 +1,3 @@
+versions:
+  "1.00":
+    folder: all