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graphics() |
Default constructor |
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graphics(unsigned width, unsigned height) |
Creates a graphics object that size is width by height in pixel. |
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graphics(const graphics&) |
Copy constructor, the resource is not copyed, the tow graphics objects refer to
the same resource. |
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graphics& operator=(const graphics&) |
Assigns an existing resource to another graphics object. |
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void bitblt(int x, int y, const graphics& src) |
Transfers the src to the specified point. |
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void bitblt(const nana::rectangle& d_r, native_window_type src) |
Transfers the color data corresponding to a rectangle that specified by d_r from the src window to this graphics. |
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void bitblt(const nana::rectangle& d_r, native_window_type src, const nana::point& s_pos) |
Transfers the color data corresponding to a rectangle that specified by d_r from the src window at point s_pos to this graphics. |
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void bitblt(const nana::rectangle& d_r, const graphics& src) |
Transfers the color data corresponding to a rectangle that specified by d_r from the src graphics to this graphics. |
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void bitblt(const nana::rectangle& d_r, const graphics& src, const nana::point& s_pos) |
Transfers the color data corresponding to a rectangle that specified by d_r from the src graphics at point s_pos to this graphics. |
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void blend(const nana::rectangle& s_r, graphics& dst, const nana::point& d_pos, double fade_rate) |
blends with the dst object. |
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void blend(const nana::rectangle& r, nana::color_t col, double fade_rate) |
blends the specifed block width the specified color. |
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void blur(const nana::rectangle& r, std::size_t radius) |
Blur process. |
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bool changed() const |
Returns true if the graphics object is operated |
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bool empty() const |
Returns true if the graphics object does not refer to any resource. |
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hdc_type handle() const |
Returns the platform-dependent resource handle. |
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unsigned height() const |
Returns the height of the off-screen buffer. |
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void line(int x1, int y1, int x2, int y2, colour_t color) |
Draws a line from point (x1, y1) to point (x2, y2) in the specified color. |
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void make(unsigned width, unsigned height) |
Creates a bitmap resource that size is width by height in pixel |
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static colour_t mix(colour_t color1, colour_t color2, unsigned persent) |
Mixs the color1 and color2 |
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void paste(const graphics& dest, int x, int y) const |
Paste the graphics object into the dest at (x, y) |
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void paste(const nana::gui::native_window_type wnd, int x, int y) const |
Paste the graphics object into a platform-dependent window at (x, y) |
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void paste(hdc_type hdc, int x, int y) const |
Paste the graphics object into a platform-dependent DC at (x, y) |
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void rectangle(int x, int y, unsigned width, unsigned height, colour_t color, bool
solid) |
Draws a width and height rectangle at (x, y) in the specified color. |
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void release() |
Release the resource graphics object refers to. |
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void resize(unsigned width, unsigned height) |
Adjusts the resource size into specified size in width by height in pixel |
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void rgb_to_wb() |
Transform a color graphics into black&white. |
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void set_pixel(int x, int y, colour_t color) |
Sets the colour of the specified pixel |
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void setsta() |
Clears the status if the graphics object had been changed |
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void shadow_rectangle(int x, int y, unsigned width, unsigned height, colour_t begin,
color_t end, bool vertical) |
Draws a width and height rectangle at (x, y) and the color in range of [begin, end] |
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void stretch_paste(const graphics& dest, int x, int y, unsigned length, int
x2, int y2, unsigned length2) |
Pastes the graphics object into dest, and top line is at (x, y) in length, and bottom
line is at (x2, y2) in length2. |
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void stretch_paste(hdc_type dc, int x, int y, unsigned length, int x2, int y2, unsigned
length2) |
Pastes the graphics object into platform-dependent DC, and top line is at(x, y)
in length, and bottom line is at(x2, y2) in length2 |
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void string(int x, int y, colour_t color, const nana::string& text) |
Prints a string of text at the position (x, y) in the specified color. |
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void string(int x, int y, colour_t color, const nana::string& text, unsigned
length) |
Prints a string of text at the position (x, y) in the specified color and
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nana::size text_extent_size(const nana::char_t*) const |
Computes the width and height of the specified string of text. |
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nana::size text_extent_size(const nana::string&) const |
Computes the width and height of the specified string of text. |
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nana::size text_extent_size(const nana::string& text, unsigned length) const |
Computes the width and height of the specified string of text with the specified
length. |
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void transparent_paste(graphics& gc, int x, int y, colour_t color) const |
Pastes the graphics object at (x, y) into gc, and ignroe the color of gixel |
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void typeface(const font&) |
Selects a specified font type into the graphics object. |
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unsigned width() const |
Returns the width of the off-screen buffer |