python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-11-04 01:47:47 +03:00
Code Issues Packages Projects Releases Wiki Activity

Fix compilation errors with C90 standard

Browse Source
This commit is contained in:
wiredfool 2014-07-01 10:05:38 -07:00
parent e3f9fa0d78
commit a10b91786a
1 changed files with 29 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
libImaging/Draw.c
View File

@ -421,19 +421,24 @@ static inline int
polygon_generic(Imaging im, int n, Edge *e, int ink, int eofill, polygon_generic(Imaging im, int n, Edge *e, int ink, int eofill,
hline_handler hline) hline_handler hline)
{ {
Edge** edge_table;
float* xx;
int edge_count = 0;
int ymin = im->ysize - 1;
int ymax = 0;
int i;
if (n <= 0) { if (n <= 0) {
return 0; return 0;
} }
/* Initialize the edge table and find polygon boundaries */ /* Initialize the edge table and find polygon boundaries */
Edge** edge_table = malloc(sizeof(Edge*) * n); edge_table = malloc(sizeof(Edge*) * n);
if (!edge_table) { if (!edge_table) {
return -1; return -1;
} }
int edge_count = 0;
int ymin = im->ysize - 1;
int ymax = 0;
int i;
for (i = 0; i < n; i++) { for (i = 0; i < n; i++) {
/* This causes that the pixels of horizontal edges are drawn twice :( /* This causes that the pixels of horizontal edges are drawn twice :(
* but without it there are inconsistencies in ellipses */ * but without it there are inconsistencies in ellipses */
@ -457,7 +462,7 @@ polygon_generic(Imaging im, int n, Edge *e, int ink, int eofill,
} }
/* Process the edge table with a scan line searching for intersections */ /* Process the edge table with a scan line searching for intersections */
float* xx = malloc(sizeof(float) * edge_count * 2); xx = malloc(sizeof(float) * edge_count * 2);
if (!xx) { if (!xx) {
free(edge_table); free(edge_table);
return -1; return -1;
@ -591,6 +596,11 @@ ImagingDrawWideLine(Imaging im, int x0, int y0, int x1, int y1,
{ {
DRAW* draw; DRAW* draw;
INT32 ink; INT32 ink;
int dx, dy;
double big_hypotenuse, small_hypotenuse, ratio_max, ratio_min;
int dxmin, dxmax, dymin, dymax;
Edge e[4];
int vertices[4][2];
DRAWINIT(); DRAWINIT();
@ -599,30 +609,30 @@ ImagingDrawWideLine(Imaging im, int x0, int y0, int x1, int y1,
return 0; return 0;
} }
int dx = x1-x0; dx = x1-x0;
int dy = y1-y0; dy = y1-y0;
if (dx == 0 && dy == 0) { if (dx == 0 && dy == 0) {
draw->point(im, x0, y0, ink); draw->point(im, x0, y0, ink);
return 0; return 0;
} }
double big_hypotenuse = sqrt((double) (dx*dx + dy*dy)); big_hypotenuse = sqrt((double) (dx*dx + dy*dy));
double small_hypotenuse = (width - 1) / 2.0; small_hypotenuse = (width - 1) / 2.0;
double ratio_max = ROUND_UP(small_hypotenuse) / big_hypotenuse; ratio_max = ROUND_UP(small_hypotenuse) / big_hypotenuse;
double ratio_min = ROUND_DOWN(small_hypotenuse) / big_hypotenuse; ratio_min = ROUND_DOWN(small_hypotenuse) / big_hypotenuse;
int dxmin = ROUND_DOWN(ratio_min * dy); dxmin = ROUND_DOWN(ratio_min * dy);
int dxmax = ROUND_DOWN(ratio_max * dy); dxmax = ROUND_DOWN(ratio_max * dy);
int dymin = ROUND_DOWN(ratio_min * dx); dymin = ROUND_DOWN(ratio_min * dx);
int dymax = ROUND_DOWN(ratio_max * dx); dymax = ROUND_DOWN(ratio_max * dx);
int vertices[4][2] = {
vertices = (int[][]) {
{x0 - dxmin, y0 + dymax}, {x0 - dxmin, y0 + dymax},
{x1 - dxmin, y1 + dymax}, {x1 - dxmin, y1 + dymax},
{x1 + dxmax, y1 - dymin}, {x1 + dxmax, y1 - dymin},
{x0 + dxmax, y0 - dymin} {x0 + dxmax, y0 - dymin}
}; };
Edge e[4];
add_edge(e+0, vertices[0][0], vertices[0][1], vertices[1][0], vertices[1][1]); add_edge(e+0, vertices[0][0], vertices[0][1], vertices[1][0], vertices[1][1]);
add_edge(e+1, vertices[1][0], vertices[1][1], vertices[2][0], vertices[2][1]); add_edge(e+1, vertices[1][0], vertices[1][1], vertices[2][0], vertices[2][1]);
add_edge(e+2, vertices[2][0], vertices[2][1], vertices[3][0], vertices[3][1]); add_edge(e+2, vertices[2][0], vertices[2][1], vertices[3][0], vertices[3][1]);