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authorThomas Vander Stichele <thomas@apestaart.org>2004-03-14 22:34:33 +0000
committerThomas Vander Stichele <thomas@apestaart.org>2004-03-14 22:34:33 +0000
commit7a778ee4b7ec09a1f5b2185c9cceee3910dfbdf2 (patch)
treef863b467dea9559a6ec9c48affbfae11f8104164 /gst/smpte/paint.c
parenta19db4bbdc4a15ea0d8f4d28e9a1302c9c3d1657 (diff)
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gst-indent
Original commit message from CVS: gst-indent
Diffstat (limited to 'gst/smpte/paint.c')
-rw-r--r--gst/smpte/paint.c162
1 files changed, 76 insertions, 86 deletions
diff --git a/gst/smpte/paint.c b/gst/smpte/paint.c
index dae3c6f1..fdff77e5 100644
--- a/gst/smpte/paint.c
+++ b/gst/smpte/paint.c
@@ -26,21 +26,20 @@
#include "paint.h"
void
-gst_smpte_paint_vbox (guint32 *dest, gint stride,
- gint x0, gint y0, gint c0,
- gint x1, gint y1, gint c1)
+gst_smpte_paint_vbox (guint32 * dest, gint stride,
+ gint x0, gint y0, gint c0, gint x1, gint y1, gint c1)
{
gint i, j;
gint width, height;
width = x1 - x0;
height = y1 - y0;
-
+
g_assert (width > 0);
g_assert (height > 0);
dest = dest + y0 * stride + x0;
-
+
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++) {
dest[j] = (c1 * j + c0 * (width - j)) / width;
@@ -50,16 +49,15 @@ gst_smpte_paint_vbox (guint32 *dest, gint stride,
}
void
-gst_smpte_paint_hbox (guint32 *dest, gint stride,
- gint x0, gint y0, gint c0,
- gint x1, gint y1, gint c1)
+gst_smpte_paint_hbox (guint32 * dest, gint stride,
+ gint x0, gint y0, gint c0, gint x1, gint y1, gint c1)
{
gint i, j;
gint width, height;
width = x1 - x0;
height = y1 - y0;
-
+
g_assert (width > 0);
g_assert (height > 0);
@@ -68,7 +66,8 @@ gst_smpte_paint_hbox (guint32 *dest, gint stride,
dest = dest + y0 * stride + x0;
for (i = 0; i < height; i++) {
- guint32 value = (c1 * i + c0 * (height - i)) / height;
+ guint32 value = (c1 * i + c0 * (height - i)) / height;
+
for (j = 0; j < width; j++) {
dest[j] = value;
}
@@ -148,29 +147,35 @@ G_STMT_START { \
} G_STMT_END
void
-gst_smpte_paint_triangle_linear (guint32 *dest, gint stride,
- gint x0, gint y0, gint c0,
- gint x1, gint y1, gint c1, gint x2, gint y2, gint c2)
+gst_smpte_paint_triangle_linear (guint32 * dest, gint stride,
+ gint x0, gint y0, gint c0,
+ gint x1, gint y1, gint c1, gint x2, gint y2, gint c2)
{
gint sdxl, sdyl, sdcl, dxlabs, dylabs, dclabs, xrl, yrl, crl, pxl, pyl, pcl;
gint sdxr, sdyr, sdcr, dxrabs, dyrabs, dcrabs, xrr, yrr, crr, pxr, pyr, pcr;
gint i, j, k, seg_start, seg_end;
- if (y0 > y1) { SWAP_INT (x0, x1); SWAP_INT (y0, y1); SWAP_INT (c0, c1); }
- if (y0 > y2) { SWAP_INT (x0, x2); SWAP_INT (y0, y2); SWAP_INT (c0, c2); }
- if (y1 > y2) { SWAP_INT (x1, x2); SWAP_INT (y1, y2); SWAP_INT (c1, c2); }
-
- PREPARE_3D_LINE (x0,y0,c0,x2,y2,c2,
- dxlabs,dylabs,dclabs,
- sdxl, sdyl,sdcl,
- xrl,yrl,crl,
- pxl,pyl,pcl);
-
- PREPARE_3D_LINE (x0,y0,c0,x1,y1,c1,
- dxrabs,dyrabs,dcrabs,
- sdxr, sdyr,sdcr,
- xrr,yrr,crr,
- pxr,pyr,pcr);
+ if (y0 > y1) {
+ SWAP_INT (x0, x1);
+ SWAP_INT (y0, y1);
+ SWAP_INT (c0, c1);
+ }
+ if (y0 > y2) {
+ SWAP_INT (x0, x2);
+ SWAP_INT (y0, y2);
+ SWAP_INT (c0, c2);
+ }
+ if (y1 > y2) {
+ SWAP_INT (x1, x2);
+ SWAP_INT (y1, y2);
+ SWAP_INT (c1, c2);
+ }
+
+ PREPARE_3D_LINE (x0, y0, c0, x2, y2, c2,
+ dxlabs, dylabs, dclabs, sdxl, sdyl, sdcl, xrl, yrl, crl, pxl, pyl, pcl);
+
+ PREPARE_3D_LINE (x0, y0, c0, x1, y1, c1,
+ dxrabs, dyrabs, dcrabs, sdxr, sdyr, sdcr, xrr, yrr, crr, pxr, pyr, pcr);
dest = dest + stride * y0;
seg_start = y0;
@@ -183,37 +188,32 @@ gst_smpte_paint_triangle_linear (guint32 *dest, gint stride,
gint sign = SIGN (e - s);
e += sign;
- for (j = s; j != e; j+=sign) {
- dest[j] = (ec * (j - s) + sc * (e - j)) / (e - s);
+ for (j = s; j != e; j += sign) {
+ dest[j] = (ec * (j - s) + sc * (e - j)) / (e - s);
}
while (pyr == i) {
- STEP_3D_LINE (dxrabs, dyrabs, dcrabs, sdxr, sdyr, sdcr,
- xrr, yrr, crr, pxr, pyr, pcr);
+ STEP_3D_LINE (dxrabs, dyrabs, dcrabs, sdxr, sdyr, sdcr,
+ xrr, yrr, crr, pxr, pyr, pcr);
}
while (pyl == i) {
- STEP_3D_LINE (dxlabs, dylabs, dclabs, sdxl, sdyl, sdcl,
- xrl, yrl, crl, pxl, pyl, pcl);
+ STEP_3D_LINE (dxlabs, dylabs, dclabs, sdxl, sdyl, sdcl,
+ xrl, yrl, crl, pxl, pyl, pcl);
}
dest += stride;
}
- PREPARE_3D_LINE (x1,y1,c1,x2,y2,c2,
- dxrabs,dyrabs,dcrabs,
- sdxr, sdyr,sdcr,
- xrr,yrr,crr,
- pxr,pyr,pcr);
+ PREPARE_3D_LINE (x1, y1, c1, x2, y2, c2,
+ dxrabs, dyrabs, dcrabs, sdxr, sdyr, sdcr, xrr, yrr, crr, pxr, pyr, pcr);
seg_start = y1;
seg_end = y2;
}
}
-static void
-draw_bresenham_line (guint32 *dest, gint stride,
- gint x0, gint y0,
- gint x1, gint y1,
- guint32 col)
+static void
+draw_bresenham_line (guint32 * dest, gint stride,
+ gint x0, gint y0, gint x1, gint y1, guint32 col)
{
gint dx = abs (x1 - x0);
gint dy = abs (y1 - y0);
@@ -224,13 +224,12 @@ draw_bresenham_line (guint32 *dest, gint stride,
x_incr = SIGN (x1 - x0);
y_incr = SIGN (y1 - y0) * stride;
-
- if (dx >= dy) {
+
+ if (dx >= dy) {
dpr = dy << 1;
i = dx;
indep = x_incr;
- }
- else {
+ } else {
dpr = dx << 1;
i = dy;
indep = y_incr;
@@ -242,7 +241,7 @@ draw_bresenham_line (guint32 *dest, gint stride,
for (; i >= 0; i--) {
*dest = col;
- if (P > 0) {
+ if (P > 0) {
dest += x_incr;
dest += y_incr;
P += dpru;
@@ -254,10 +253,9 @@ draw_bresenham_line (guint32 *dest, gint stride,
}
void
-gst_smpte_paint_triangle_clock (guint32 *dest, gint stride,
- gint x0, gint y0, gint c0,
- gint x1, gint y1, gint c1,
- gint x2, gint y2, gint c2)
+gst_smpte_paint_triangle_clock (guint32 * dest, gint stride,
+ gint x0, gint y0, gint c0,
+ gint x1, gint y1, gint c1, gint x2, gint y2, gint c2)
{
gint i;
gint sign;
@@ -265,11 +263,11 @@ gst_smpte_paint_triangle_clock (guint32 *dest, gint stride,
gfloat len1;
angle_s = 0.0;
- angle_e = acos (((x1-x0) * (x2-x0) + (y1-y0) * (y2-y0))/
- (sqrt ((x1-x0) * (x1-x0) + (y1-y0) * (y1-y0)) *
- sqrt ((x2-x0) * (x2-x0) + (y2-y0) * (y2-y0))));
+ angle_e = acos (((x1 - x0) * (x2 - x0) + (y1 - y0) * (y2 - y0)) /
+ (sqrt ((x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0)) *
+ sqrt ((x2 - x0) * (x2 - x0) + (y2 - y0) * (y2 - y0))));
- len1 = sqrt ((x1-x0) * (x1-x0) + (y1-y0) * (y1-y0));
+ len1 = sqrt ((x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0));
if (x1 == x2) {
sign = SIGN (y2 - y1);
@@ -278,65 +276,57 @@ gst_smpte_paint_triangle_clock (guint32 *dest, gint stride,
if (y1 == i)
angle = 0;
else
- angle = acos (((x1-x0) * (x2-x0) + (y1-y0) * (i-y0)) /
- (len1 * sqrt ((x1-x0) * (x1-x0) + (i-y0) * (i-y0)))) / angle_e;
+ angle = acos (((x1 - x0) * (x2 - x0) + (y1 - y0) * (i - y0)) /
+ (len1 * sqrt ((x1 - x0) * (x1 - x0) + (i - y0) * (i -
+ y0)))) / angle_e;
draw_bresenham_line (dest, stride,
- x0, y0, x1, i,
- (c2 * angle + c1 * (1.0-angle)));
+ x0, y0, x1, i, (c2 * angle + c1 * (1.0 - angle)));
}
- }
- else if (y1 == y2) {
+ } else if (y1 == y2) {
sign = SIGN (x2 - x1);
for (i = x1; i != (x2 + sign); i += sign) {
if (x1 == i)
angle = 0;
else
- angle = acos (((x1-x0) * (i-x0) + (y1-y0) * (y2-y0)) /
- (len1 * sqrt ((i-x0) * (i-x0) + (y2-y0) * (y2-y0)))) / angle_e;
+ angle = acos (((x1 - x0) * (i - x0) + (y1 - y0) * (y2 - y0)) /
+ (len1 * sqrt ((i - x0) * (i - x0) + (y2 - y0) * (y2 -
+ y0)))) / angle_e;
draw_bresenham_line (dest, stride,
- x0, y0, i, y1,
- (c2 * angle + c1 * (1.0-angle)));
+ x0, y0, i, y1, (c2 * angle + c1 * (1.0 - angle)));
}
}
}
void
-gst_smpte_paint_box_clock (guint32 *dest, gint stride,
- gint x0, gint y0, gint c0,
- gint x1, gint y1, gint c1,
- gint x2, gint y2, gint c2)
+gst_smpte_paint_box_clock (guint32 * dest, gint stride,
+ gint x0, gint y0, gint c0,
+ gint x1, gint y1, gint c1, gint x2, gint y2, gint c2)
{
gfloat angle_m, col_m;
gint xv, yv;
- if (x1 == x0) {
+ if (x1 == x0) {
xv = x2;
yv = y1;
} else if (y1 == y0) {
xv = x1;
yv = y2;
- }
- else {
+ } else {
g_warning ("paint box clock: not supported");
return;
}
- angle_m = 2 * acos (((x1-x0) * (xv-x0) + (y1-y0) * (yv-y0))/
- (sqrt ((x1-x0) * (x1-x0) + (y1-y0) * (y1-y0)) *
- sqrt ((xv-x0) * (xv-x0) + (yv-y0) * (yv-y0)))) / M_PI;
-
- col_m = c2 * angle_m + c1 * (1.0-angle_m);
+ angle_m = 2 * acos (((x1 - x0) * (xv - x0) + (y1 - y0) * (yv - y0)) /
+ (sqrt ((x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0)) *
+ sqrt ((xv - x0) * (xv - x0) + (yv - y0) * (yv - y0)))) / M_PI;
+
+ col_m = c2 * angle_m + c1 * (1.0 - angle_m);
gst_smpte_paint_triangle_clock (dest, stride,
- x0, y0, c0,
- x1, y1, c1,
- xv, yv, col_m);
+ x0, y0, c0, x1, y1, c1, xv, yv, col_m);
gst_smpte_paint_triangle_clock (dest, stride,
- x0, y0, c0,
- xv, yv, col_m,
- x2, y2, c2);
+ x0, y0, c0, xv, yv, col_m, x2, y2, c2);
}
-