tpCanvas类

Utils

2025-07-05

介绍

绘制模块类，用于绘制各种形状。资源等
所有的颜色值，均使用_RGB或_RGBA宏给入十进制值（0-255），例如_RGB(128,128,128)或_RGBA(128,128,128,120)

基础信息

头文件:	include <tpCanvas.h>
Cmake:	None
发布版本:	V0.1.0
继承类:
派生类:

Public 成员函数

	tpCanvas(tpSurface *surface=nullptr, int32_t offsetX=0, int32_t offsetY=0)
	~tpCanvas()
	paintTest()
	setTarget(tpSurface *surface, int32_t offsetX=0, int32_t offsetY=0)
	setClipRect(tpRect &rect)
	setClipRect(ItpRect *rect)
virtual tpSurface *	surface()
	erase()
	pixel(int32_t x, int32_t y, int32_t color)	绘制一个像素点
	hline(int32_t x1, int32_t x2, int32_t y, int32_t color, double width=1.0)	绘制一条水平线
	vline(int32_t x, int32_t y1, int32_t y2, int32_t color, double width=1.0)	绘制一条垂直线
	line(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t color, double width=1.0)
	rectangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t color, double width=1.0)
	roundedRectangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t rad, int32_t color, double width=1.0)
	box(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t color)
	roundedBox(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t rad, int32_t color)	绘制圆角矩形，第一个点坐标必须为左上点，第二个点坐标为右下点
	circle(int32_t x, int32_t y, int32_t rad, int32_t color, double width=1.0)	绘制圆形
	arc(int32_t x, int32_t y, int32_t rad, int32_t start, int32_t end, int32_t color, double width=1.0)
	filledCircle(int32_t x, int32_t y, int32_t rad, int32_t color)	绘制填充圆形
	ellipse(int32_t x, int32_t y, int32_t rx, int32_t ry, int32_t color, double width=1.0)
	filledEllipse(int32_t x, int32_t y, int32_t rx, int32_t ry, int32_t color)
	pie(int32_t x, int32_t y, int32_t rad, int32_t start, int32_t end, int32_t color, double width=1.0)	绘制扇形
	filledPie(int32_t x, int32_t y, int32_t rad, int32_t start, int32_t end, int32_t color)	绘制填充扇形
	trigon(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, int32_t color, double width=1.0)
	filledTrigon(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, int32_t color)
	polygon(short vx, short vy, int32_t n, int32_t color, double width=1.0)
	filledPolygon(short vx, short vy, int32_t n, int32_t color)
	hollowBox(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t color, const HollowMask &hollowMaskData)	绘制镂空矩形
	hollowRoundedBox(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t rad, int32_t color, const HollowMask &hollowMaskData)	绘制镂空圆角矩形，第一个点坐标必须为左上点，第二个点坐标为右下点
	paintSurface(const tpShared< tpSurface > &surface, const tpRect &src_rect, const tpRect &dst_rect, bool strench=false)
	paintSurface(const tpShared< tpSurface > &surface, const tpRect src_rect, const tpRect dst_rect, bool strench=false)
	paintSurface(const int32_t &x, const int32_t &y, const tpShared< tpSurface > &surface)	绘制图片资源
	paintRoundSurface(const int32_t &x, const int32_t &y, int32_t rad, const tpShared< tpSurface > &surface)	绘制圆角图片
	renderText(tpFont &font, int32_t x, int32_t y, const tpString &text)
	renderText(tpFont &font, int32_t x, int32_t y, const char *text)
	renderMarkUp(tpFont &font, int32_t x, int32_t y, const tpString &text)
	renderMarkUp(tpFont &font, int32_t x, int32_t y, const char *text)
	renderText(tpFont &font, int32_t x, int32_t y)
	customizedCarioMethod(defDrawFunction func, void *args)
	release()
static tpSurface *	convertFromCairoToSurface(cairo_surface_t *cairo_surface)
	convertFromSurfaceToCairo(tpSurface *surface)