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pixel_buffer() |
The default construction. |
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pixel_buffer(drawable_type dw, const nana::rectangle& r) |
See open(drawable dw, const nana::rectangle& r) |
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pixel_buffer(drawable_type dw, std::size_t top, std::size_t lines) |
Copies the color data from drawable(dw) begining at scanline(top) |
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pixel_buffer(std::size_t width, std::size_t height) |
See open(std::size_t width, std::size_t height) |
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~pixel_buffer() |
The destruction. |
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void attach(drawable_type dw, const nana::rectangle& r) |
Attaches to a drawable(dw) with a specified rectangle(r). |
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bool alpha_channel() const |
Returns true if the alpha channel is enabled. |
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void alpha_channel(bool enable) |
Enables/Disables the alpha channel. |
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bool open(drawable_type) |
Copies the color data from drawable. |
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bool open(drawable_type dw, const nana::rectangle& r) |
Copies the color data from drawable(dw) with the specifed rectangle(want_r) |
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bool open(std::size_t width, std::size_t height) |
Creates an pixel buffer with specified size. |
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void close() |
Frees the color data. |
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bool empty() const |
It returns true when the pixel_buffer is empty. |
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operator const void*() const |
It returns a null pointer when the pixel_buffer is empty. |
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void blend(const std::string& name) |
Selects a blend image processor for this object. |
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void blend(const nana::rectangle& s_r, drawable_type dw, const nana::point& d_pos, double fade_rate) const |
Blends the drawable(dw) at the point(d_pos) with the color data corresponding to the rectangle(s_r). |
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void blur(const nana::rectangle& r, std::size_t radius) |
Blur process. |
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std::size_t bytes() const |
Returns the total bytes of color data. |
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std::size_t bytes_per_line() const |
Returns the bytes of a line of color data. |
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nana::size size() const |
Returns the size in pixels. |
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pixel_rgb_t * raw_ptr(std::size_t row) const |
Returns the beginning address of row'th line. |
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pixel_rgb_t * operator[](std::size_t row) const |
Returns the beginning adresss of row'th line. |
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void line(const std::string& name); |
Selects a line image processor for this object. |
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void line(const nana::point& posbeg, const nana::point& posend, nana::color_t color, double fade_rate) |
Draws a line. |
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void paste(drawable_type, int x, int y) const |
Copies the color data to a drawable. |
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void paste(const nana::rectangle& s_r, drawable_type, int x, int y) |
Copies the color data corresponding to the rectangle(s_r) to the drawable at destination point(x, y) |
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void paste(nana::gui::native_window_type, int x, int y) |
Copies the color data to a window. |
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pixel_rgb_t pixel(int x, int y) const |
Returns a pixel data |
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void pixel(int x, int y, pixel_rgb_t) |
Sets a pixel data |
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void rectangle(const nana::rectangle& r, nana::color_t, double fade_rate, bool solid) |
Draws a rectangle. |
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void shadow_rectangle(const nana::rectangle& r, const nana::color_t beg, nana::color_t end, double fade_rate, bool vertical) |
Draws a fading rectangle. |
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void stretch(const std::string& name) |
Selects a stretch image processor for this object. |
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void stretch(const nana::rectangle& s_r, drawable_type, const nana::rectangle& d_r) const |
Paste the color data corresponding to a rectangle(s_r) to the destination drawable, stretching or compressing the image to fit the rectangle(d_r). |