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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-ws-lib
* Created on: 25 окт. 2016 г.
*
* lsp-ws-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-ws-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-ws-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef UI_X11_X11CAIROSURFACE_H_
#define UI_X11_X11CAIROSURFACE_H_
#include <lsp-plug.in/ws/version.h>
#if defined(USE_LIBX11) && defined(USE_LIBCAIRO)
#include <lsp-plug.in/common/types.h>
#include <private/x11/X11Display.h>
#include <lsp-plug.in/runtime/Color.h>
#include <lsp-plug.in/ws/IGradient.h>
#include <lsp-plug.in/ws/ISurface.h>
#include <cairo/cairo.h>
#include <X11/Xlib.h>
namespace lsp
{
namespace ws
{
namespace x11
{
class LSP_HIDDEN_MODIFIER X11CairoSurface: public ISurface
{
protected:
cairo_surface_t *pSurface;
cairo_t *pCR;
cairo_font_options_t *pFO;
X11Display *pDisplay;
#ifdef LSP_DEBUG
size_t nNumClips;
#endif /* LSP_DEBUG */
protected:
typedef struct font_context_t
{
X11Display::font_t *font; // Custom font (if present)
cairo_font_face_t *face; // Selected font face
cairo_antialias_t aa; // Antialias settings
} font_context_t;
protected:
void destroy_context();
inline void setSourceRGB(const Color &col);
inline void setSourceRGBA(const Color &col);
void drawRoundRect(float left, float top, float width, float height, float radius, size_t mask);
void set_current_font(font_context_t *ctx, const Font &f);
void unset_current_font(font_context_t *ctx);
public:
/** Create XLib surface
*
* @param dpy display
* @param drawabledrawable
* @param visual visual
* @param width surface width
* @param height surface height
*/
explicit X11CairoSurface(X11Display *dpy, Drawable drawable, Visual *visual, size_t width, size_t height);
/** Create image surface
*
* @param width surface width
* @param height surface height
*/
explicit X11CairoSurface(X11Display *dpy, size_t width, size_t height);
virtual ~X11CairoSurface();
virtual void destroy() override;
virtual bool valid() const override;
public:
/** resize cairo surface if possible
*
* @param width new width
* @param height new height
* @return true on success
*/
bool resize(size_t width, size_t height);
public:
virtual IDisplay *display() override;
virtual ISurface *create(size_t width, size_t height) override;
virtual ISurface *create_copy() override;
virtual IGradient *linear_gradient(float x0, float y0, float x1, float y1) override;
virtual IGradient *radial_gradient
(
float cx0, float cy0,
float cx1, float cy1,
float r
) override;
public:
// Drawing methods
virtual void draw(ISurface *s, float x, float y, float sx, float sy, float a) override;
virtual void draw_rotate(ISurface *s, float x, float y, float sx, float sy, float ra, float a) override;
virtual void draw_clipped(ISurface *s, float x, float y, float sx, float sy, float sw, float sh, float a) override;
virtual void draw_raw(
const void *data, size_t width, size_t height, size_t stride,
float x, float y, float sx, float sy, float a) override;
virtual void begin() override;
virtual void end() override;
virtual void clear(const Color &color) override;
virtual void clear_rgb(uint32_t color) override;
virtual void clear_rgba(uint32_t color) override;
virtual void wire_rect(const Color &c, size_t mask, float radius, float left, float top, float width, float height, float line_width) override;
virtual void wire_rect(const Color &c, size_t mask, float radius, const ws::rectangle_t *r, float line_width) override;
virtual void wire_rect(IGradient *g, size_t mask, float radius, float left, float top, float width, float height, float line_width) override;
virtual void wire_rect(IGradient *g, size_t mask, float radius, const ws::rectangle_t *r, float line_width) override;
virtual void fill_rect(const Color &color, size_t mask, float radius, float left, float top, float width, float height) override;
virtual void fill_rect(const Color &color, size_t mask, float radius, const ws::rectangle_t *r) override;
virtual void fill_rect(IGradient *g, size_t mask, float radius, float left, float top, float width, float height) override;
virtual void fill_rect(IGradient *g, size_t mask, float radius, const ws::rectangle_t *r) override;
virtual void fill_sector(const Color &c, float cx, float cy, float radius, float angle1, float angle2) override;
virtual void fill_triangle(IGradient *g, float x0, float y0, float x1, float y1, float x2, float y2) override;
virtual void fill_triangle(const Color &c, float x0, float y0, float x1, float y1, float x2, float y2) override;
virtual void fill_circle(const Color &c, float x, float y, float r) override;
virtual void fill_circle(IGradient *g, float x, float y, float r) override;
virtual void wire_arc(const Color &c, float x, float y, float r, float a1, float a2, float width) override;
virtual bool get_font_parameters(const Font &f, font_parameters_t *fp) override;
virtual bool get_text_parameters(const Font &f, text_parameters_t *tp, const char *text) override;
virtual bool get_text_parameters(const Font &f, text_parameters_t *tp, const LSPString *text, ssize_t first, ssize_t last) override;
virtual void out_text(const Font &f, const Color &color, float x, float y, const char *text) override;
virtual void out_text(const Font &f, const Color &color, float x, float y, const LSPString *text, ssize_t first, ssize_t last) override;
virtual void out_text_relative(const Font &f, const Color &color, float x, float y, float dx, float dy, const char *text) override;
virtual void out_text_relative(const Font &f, const Color &color, float x, float y, float dx, float dy, const LSPString *text, ssize_t first, ssize_t last) override;
virtual void line(const Color &c, float x0, float y0, float x1, float y1, float width) override;
virtual void line(IGradient *g, float x0, float y0, float x1, float y1, float width) override;
virtual void parametric_line(const Color &color, float a, float b, float c, float width) override;
virtual void parametric_line(const Color &color, float a, float b, float c, float left, float right, float top, float bottom, float width) override;
virtual void parametric_bar(
IGradient *g,
float a1, float b1, float c1, float a2, float b2, float c2,
float left, float right, float top, float bottom) override;
virtual void fill_poly(const Color & color, const float *x, const float *y, size_t n) override;
virtual void fill_poly(IGradient *gr, const float *x, const float *y, size_t n) override;
virtual void wire_poly(const Color & color, float width, const float *x, const float *y, size_t n) override;
virtual void draw_poly(const Color &fill, const Color &wire, float width, const float *x, const float *y, size_t n) override;
virtual void clip_begin(float x, float y, float w, float h) override;
virtual void clip_end() override;
virtual void fill_frame(
const Color &color,
size_t flags, float radius,
float fx, float fy, float fw, float fh,
float ix, float iy, float iw, float ih) override;
virtual bool get_antialiasing() override;
virtual bool set_antialiasing(bool set) override;
virtual surf_line_cap_t get_line_cap() override;
virtual surf_line_cap_t set_line_cap(surf_line_cap_t lc) override;
};
}
}
} /* namespace lsp */
#endif /* defined(USE_LIBX11) && defined(USE_LIBCAIRO) */
#endif /* UI_X11_X11CAIROSURFACE_H_ */
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