From ccf67fcbd182d739ac73c0beb5380c6862811d22 Mon Sep 17 00:00:00 2001 From: crupest Date: Wed, 8 Jun 2022 22:30:50 +0800 Subject: ... --- include/cru/platform/graphics/cairo/CairoImage.h | 29 ++++++++++++ include/cru/platform/graphics/cairo/CairoPainter.h | 3 +- include/cru/platform/graphics/cairo/PangoFont.h | 3 +- .../cru/platform/graphics/cairo/PangoTextLayout.h | 4 +- src/platform/graphics/cairo/CMakeLists.txt | 1 + src/platform/graphics/cairo/CairoImage.cpp | 52 ++++++++++++++++++++++ 6 files changed, 89 insertions(+), 3 deletions(-) create mode 100644 include/cru/platform/graphics/cairo/CairoImage.h create mode 100644 src/platform/graphics/cairo/CairoImage.cpp diff --git a/include/cru/platform/graphics/cairo/CairoImage.h b/include/cru/platform/graphics/cairo/CairoImage.h new file mode 100644 index 00000000..61a2e65b --- /dev/null +++ b/include/cru/platform/graphics/cairo/CairoImage.h @@ -0,0 +1,29 @@ +#pragma once +#include "../Image.h" +#include "CairoResource.h" + +namespace cru::platform::graphics::cairo { +class CRU_PLATFORM_GRAPHICS_CAIRO_API CairoImage : public CairoResource, + public virtual IImage { + public: + CairoImage(CairoGraphicsFactory* factory, int width, int height); + CairoImage(CairoGraphicsFactory* factory, + cairo_surface_t* cairo_image_surface, bool auto_release); + + ~CairoImage() override; + + public: + float GetWidth() override; + float GetHeight() override; + + std::unique_ptr CreateWithRect(const Rect& rect) override; + + std::unique_ptr CreatePainter() override; + + cairo_surface_t* GetCairoSurface() { return cairo_surface_; } + + private: + cairo_surface_t* cairo_surface_; + bool auto_release_; +}; +} // namespace cru::platform::graphics::cairo diff --git a/include/cru/platform/graphics/cairo/CairoPainter.h b/include/cru/platform/graphics/cairo/CairoPainter.h index 1b965cb4..83f0329b 100644 --- a/include/cru/platform/graphics/cairo/CairoPainter.h +++ b/include/cru/platform/graphics/cairo/CairoPainter.h @@ -5,7 +5,8 @@ #include namespace cru::platform::graphics::cairo { -class CairoPainter : public CairoResource, public virtual IPainter { +class CRU_PLATFORM_GRAPHICS_CAIRO_API CairoPainter : public CairoResource, + public virtual IPainter { public: CairoPainter(CairoGraphicsFactory* factory, cairo_t* cairo, bool auto_release); diff --git a/include/cru/platform/graphics/cairo/PangoFont.h b/include/cru/platform/graphics/cairo/PangoFont.h index 0e080c18..3014739d 100644 --- a/include/cru/platform/graphics/cairo/PangoFont.h +++ b/include/cru/platform/graphics/cairo/PangoFont.h @@ -6,7 +6,8 @@ #include namespace cru::platform::graphics::cairo { -class PangoFont : public CairoResource, public virtual IFont { +class CRU_PLATFORM_GRAPHICS_CAIRO_API PangoFont : public CairoResource, + public virtual IFont { public: PangoFont(CairoGraphicsFactory* factory, String font_family, float font_size); diff --git a/include/cru/platform/graphics/cairo/PangoTextLayout.h b/include/cru/platform/graphics/cairo/PangoTextLayout.h index 9b6d4791..cdc54e8d 100644 --- a/include/cru/platform/graphics/cairo/PangoTextLayout.h +++ b/include/cru/platform/graphics/cairo/PangoTextLayout.h @@ -6,7 +6,9 @@ #include namespace cru::platform::graphics::cairo { -class PangoTextLayout : public CairoResource, public virtual ITextLayout { +class CRU_PLATFORM_GRAPHICS_CAIRO_API PangoTextLayout + : public CairoResource, + public virtual ITextLayout { public: PangoTextLayout(CairoGraphicsFactory* factory, std::shared_ptr font); diff --git a/src/platform/graphics/cairo/CMakeLists.txt b/src/platform/graphics/cairo/CMakeLists.txt index 2cd75329..ec8005d3 100644 --- a/src/platform/graphics/cairo/CMakeLists.txt +++ b/src/platform/graphics/cairo/CMakeLists.txt @@ -19,6 +19,7 @@ if (UNIX) CairoBrush.cpp CairoGeometry.cpp CairoGraphicsFactory.cpp + CairoImage.cpp CairoPainter.cpp CairoResource.cpp PangoFont.cpp diff --git a/src/platform/graphics/cairo/CairoImage.cpp b/src/platform/graphics/cairo/CairoImage.cpp new file mode 100644 index 00000000..30e1016f --- /dev/null +++ b/src/platform/graphics/cairo/CairoImage.cpp @@ -0,0 +1,52 @@ +#include "cru/platform/graphics/cairo/CairoImage.h" +#include "cru/platform/graphics/cairo/CairoPainter.h" + +#include + +namespace cru::platform::graphics::cairo { +CairoImage::CairoImage(CairoGraphicsFactory* factory, int width, int height) + : CairoResource(factory) { + cairo_surface_ = + cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height); + auto_release_ = true; +} + +CairoImage::CairoImage(CairoGraphicsFactory* factory, + cairo_surface_t* cairo_image_surface, bool auto_release) + : CairoResource(factory) { + Expects(cairo_surface_get_type(cairo_image_surface) == + CAIRO_SURFACE_TYPE_IMAGE); + cairo_surface_ = cairo_image_surface; + auto_release_ = auto_release; +} + +CairoImage::~CairoImage() { + if (auto_release_) { + cairo_surface_destroy(cairo_surface_); + } +} + +float CairoImage::GetWidth() { + return cairo_image_surface_get_width(cairo_surface_); +} + +float CairoImage::GetHeight() { + return cairo_image_surface_get_height(cairo_surface_); +} + +std::unique_ptr CairoImage::CreateWithRect(const Rect& rect) { + auto surface = + cairo_image_surface_create(CAIRO_FORMAT_ARGB32, rect.width, rect.height); + auto cairo = cairo_create(surface); + cairo_set_source_surface(cairo, cairo_surface_, rect.left, rect.top); + cairo_paint(cairo); + cairo_destroy(cairo); + return std::make_unique(GetCairoGraphicsFactory(), surface, true); +} + +std::unique_ptr CairoImage::CreatePainter() { + auto cairo = cairo_create(cairo_surface_); + return std::make_unique(GetCairoGraphicsFactory(), cairo, true); +} + +} // namespace cru::platform::graphics::cairo -- cgit v1.2.3