//***************************************************************************** // //! Draws a rectangle. //! //! \param context is a pointer to the drawing context to use. //! \param rect is a pointer to the structure containing the extents of the //! rectangle. //! //! This function draws a rectangle. The rectangle will extend from \e xMin //! to \e xMax and \e yMin to \e yMax, inclusive. //! //! \return None. // //***************************************************************************** void Graphics_drawRectangle(const Graphics_Context *context, const Graphics_Rectangle *rect) { // // Check the arguments. // assert(context); assert(rect); // // Draw a line across the top of the rectangle. // Graphics_drawLineH(context, rect->xMin, rect->xMax, rect->yMin); // // Return if the rectangle is one pixel tall. // if(rect->yMin == rect->yMax) { return; } // // Draw a line down the right side of the rectangle. // Graphics_drawLineV(context, rect->xMax, rect->yMin + 1, rect->yMax); // // Return if the rectangle is one pixel wide. // if(rect->xMin == rect->xMax) { return; } // // Draw a line across the bottom of the rectangle. // Graphics_drawLineH(context, rect->xMax - 1, rect->xMin, rect->yMax); // // Return if the rectangle is two pixels tall. // if((rect->yMin + 1) == rect->yMax) { return; } // // Draw a line up the left side of the rectangle. // Graphics_drawLineV(context, rect->xMin, rect->yMax - 1, rect->yMin + 1); }
void drawLineV(int32_t x, int32_t y1, int32_t y2) { Graphics_drawLineV(this, x, y1, y2); }