13 static inline void PetscImageSetClip(PetscImage img, int x, int y, int w, int h)  in PetscImageSetClip()  argument
15   img->clip[0] = PetscClipInterval(x, 0, img->w - 1); /* xmin   */  in PetscImageSetClip()
16   img->clip[1] = PetscClipInterval(y, 0, img->h - 1); /* ymin   */  in PetscImageSetClip()
17   img->clip[2] = PetscClipInterval(x + w, 0, img->w); /* xmax+1 */  in PetscImageSetClip()
18   img->clip[3] = PetscClipInterval(y + h, 0, img->h); /* ymax+1 */  in PetscImageSetClip()
21 static inline void PetscImageClear(PetscImage img)  in PetscImageClear()  argument
23   int x, xs = img->clip[0], xe = img->clip[2];  in PetscImageClear()
24   int y, ys = img->clip[1], ye = img->clip[3];  in PetscImageClear()
26     for (x = xs; x < xe; x++) img->buffer[y * img->w + x] = 0;  in PetscImageClear()
29 static inline void PetscImageDrawPixel(PetscImage img, int x, int y, int c)  in PetscImageDrawPixel()  argument
31   if (x < img->clip[0] || x >= img->clip[2]) return;  in PetscImageDrawPixel()
32   if (y < img->clip[1] || y >= img->clip[3]) return;  in PetscImageDrawPixel()
33   img->buffer[y * img->w + x] = (unsigned char)c;  in PetscImageDrawPixel()
36 static inline void PetscImageDrawLine(PetscImage img, int x_1, int y_1, int x_2, int y_2, int c)  in PetscImageDrawLine()  argument
45     while (x_1 <= x_2) PetscImageDrawPixel(img, x_1++, y_1, c);  in PetscImageDrawLine()
53     while (y_1 <= y_2) PetscImageDrawPixel(img, x_1, y_1++, c);  in PetscImageDrawLine()
60       PetscImageDrawPixel(img, x_1, y_1, c);  in PetscImageDrawLine()
75 static inline void PetscImageDrawRectangle(PetscImage img, int x, int y, int w, int h, int c)  in PetscImageDrawRectangle()  argument
77   int xs = PetscMax(x, img->clip[0]), xe = PetscMin(x + w, img->clip[2]);  in PetscImageDrawRectangle()
78   int ys = PetscMax(y, img->clip[1]), ye = PetscMin(y + h, img->clip[3]);  in PetscImageDrawRectangle()
81     for (x = xs; x < xe; x++) img->buffer[y * img->w + x] = (unsigned char)c;  in PetscImageDrawRectangle()
84 static inline void PetscImageDrawEllipse(PetscImage img, int xc, int yc, int w, int h, int c)  in PetscImageDrawEllipse()  argument
89     PetscImageDrawLine(img, xc + x, yc + y, xc - x, yc + y, c);  in PetscImageDrawEllipse()
90     PetscImageDrawLine(img, xc + x, yc - y, xc - x, yc - y, c);  in PetscImageDrawEllipse()
98     PetscImageDrawLine(img, xc + x, yc + y, xc - x, yc + y, c);  in PetscImageDrawEllipse()
99     PetscImageDrawLine(img, xc + x, yc - y, xc - x, yc - y, c);  in PetscImageDrawEllipse()
108 static inline void PetscImageDrawTriangle(PetscImage img, int x_1, int y_1, int t_1, int x_2, int y…  in PetscImageDrawTriangle()  argument
111   const int xmin = img->clip[0], xmax = img->clip[2] - 1;  in PetscImageDrawTriangle()
112   const int ymin = img->clip[1], ymax = img->clip[3] - 1;  in PetscImageDrawTriangle()
179         PetscImageDrawPixel(img, xx, y, c);  in PetscImageDrawTriangle()
184         PetscImageDrawPixel(img, xx, y, c);  in PetscImageDrawTriangle()
188       PetscImageDrawPixel(img, lx, y, c);  in PetscImageDrawTriangle()
223         PetscImageDrawPixel(img, xx, y, c);  in PetscImageDrawTriangle()
228         PetscImageDrawPixel(img, xx, y, c);  in PetscImageDrawTriangle()
232       PetscImageDrawPixel(img, lx, y, c);  in PetscImageDrawTriangle()
338 static inline void PetscImageDrawText(PetscImage img, int x, int y, int c, const char text[])  in PetscImageDrawText()  argument
345 …if (PetscImageFontBitmap[chr - 32][i] & (1 << (tw - 1 - j))) PetscImageDrawPixel(img, x + j + k * …  in PetscImageDrawText()