使用GDI+实现的画布适配器类. 更多...
#include <GiGdipCanvas.h>
类 GiGdipCanvas 继承关系图:
类 | |
| struct | Impl |
| GiGdipCanvas 的内部实现类 更多... | |
Public 成员函数 | |
| GiGdipCanvas () | |
| virtual | ~GiGdipCanvas () |
| bool | beginPaint (HWND hwnd, HDC hdc) |
| 给定绘图设备DC，开始绘制 更多... | |
| bool | beginPaintBuffered (int width, int height, COLORREF bkcolor=(COLORREF) -1) |
| 给定缓冲位图的大小，开始绘制并清除背景 更多... | |
| void | endPaint () |
| 结束绘制 更多... | |
| void | clearWindow () |
| 使用背景色清除显示 更多... | |
| bool | drawCachedBitmap (int x=0, int y=0, bool secondBmp=false) |
| 显示上次缓存的内容 更多... | |
| bool | drawCachedBitmap2 (GiGdipCanvas &cv, bool secondBmp=false, int x=0, int y=0) |
| 显示另一个画布的上次缓存的内容 更多... | |
| void | saveCachedBitmap (bool secondBmp=false) |
| 缓存显示的内容 更多... | |
| void | clearCachedBitmap (bool clearAll=false) |
| 清除后备缓冲位图，以便重新绘图 更多... | |
| bool | hasCachedBitmap (bool secondBmp=false) const |
| 返回是否有已缓存的显示内容 更多... | |
| bool | isBufferedDrawing () const |
| 返回当前是否在缓冲位图上绘图，调用endPaint()前有效 更多... | |
| GiGdipCanvas * | thumbnailImage (int maxWidth, int maxHeight) |
| 从缓冲位图生成指定宽高上限的缩略图，该图为新画布对象的缓冲位图 更多... | |
| bool | save (const wchar_t *filename, long jpegQuality=100) |
| 将缓冲位图保存到文件中 更多... | |
| void | setPen (int argb, float width, int style, float phase, float orgw) |
| Set attributes of the current pen to stroke edges. 更多... | |
| void | setBrush (int argb, int style) |
| Set attributes of the current brush to fill shapes. 更多... | |
| void | clearRect (float x, float y, float w, float h) |
| Clear `rect' (that is, set the region within the rect to transparent). 更多... | |
| void | drawRect (float x, float y, float w, float h, bool stroke, bool fill) |
| Fill or stroke `rect' (w>0, h>0) with the current color. 更多... | |
| void | drawLine (float x1, float y1, float x2, float y2) |
| Stroke a line with the current color. 更多... | |
| void | drawEllipse (float x, float y, float w, float h, bool stroke, bool fill) |
| Fill or stroke a ellipse with a corner and size (w>0, h>0). 更多... | |
| void | beginPath () |
| Start a new path. 更多... | |
| void | moveTo (float x, float y) |
| Ready to add a subpath to the current path at the start point. 更多... | |
| void | lineTo (float x, float y) |
| Add a line segment to the current subpath. 更多... | |
| void | bezierTo (float c1x, float c1y, float c2x, float c2y, float x, float y) |
| Add a cubic bezier segment to the current subpath. 更多... | |
| void | quadTo (float cpx, float cpy, float x, float y) |
| Add a quadratic bezier segment to the current subpath. 更多... | |
| void | closePath () |
| Close the current subpath of the path added by beginPath(). 更多... | |
| void | drawPath (bool stroke, bool fill) |
| Draw and clear the current path added by beginPath(). 更多... | |
| void | saveClip () |
| Save the current clipping path. 更多... | |
| void | restoreClip () |
| Restore the current clipping path. 更多... | |
| bool | clipRect (float x, float y, float w, float h) |
| Intersect the current clipping path with `rect'. 更多... | |
| bool | clipPath () |
| Intersect the current clipping path with the path added by beginPath(). 更多... | |
| bool | drawHandle (float x, float y, int type, float angle) |
| Draw a symbol (GiHandleTypes) whose center will at (x, y). 更多... | |
| bool | drawBitmap (const char *name, float xc, float yc, float w, float h, float angle) |
| Draw a image whose center will at (xc, yc). 更多... | |
| float | drawTextAt (const char *text, float x, float y, float h, int align, float angle) |
| Draw text in one line. 更多... | |
 Public 成员函数 继承自 GiCanvas | |
| virtual | ~GiCanvas () |
| virtual float | drawTextAt (GiTextWidthCallback *c, const char *text, float x, float y, float h, int align, float angle) |
| virtual bool | beginShape (int type, int sid, int version, float x, float y, float w, float h) |
| Ready to draw a shape. 更多... | |
| virtual void | endShape (int type, int sid, float x, float y) |
| Complete to draw a shape. 更多... | |
Private 成员函数 | |
| bool | getEncoder (const wchar_t *filename, wchar_t format[20], CLSID &clsidEncoder) |
| void | _beginPaint () |
Private 属性 | |
| Impl * | _impl |
额外继承的成员函数 | |
| Public 类型 继承自 GiCanvas | |
| enum | { kLineDashMask = 0xFFF, kLineCapDefault = 0, kLineCapMask = 0x70000, kLineCapButt = 0x10000, kLineCapRound = 0x20000, kLineCapSquare = 0x40000, kAlignLeft = 0, kAlignCenter = 1, kAlignRight = 2, kAlignHorz = 0xF, kAlignTop = 0, kAlignBottom = 0x10, kAlignVCenter = 0x20, kAlignVert = 0xF0 } |
详细描述
使用GDI+实现的画布适配器类.
该类的文档由以下文件生成: