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#!perl
use strict;
use warnings;
use SDL;
use SDL::Rect;
use SDL::Config;
use SDL::Video;
use SDL::Version;
use SDL::Surface;
use SDL::PixelFormat;
use SDL::GFX;
use SDL::GFX::Primitives;
use Test::More;
use lib 't/lib';
use SDL::TestTool;
my $videodriver = $ENV{SDL_VIDEODRIVER};
$ENV{SDL_VIDEODRIVER} = 'dummy' unless $ENV{SDL_RELEASE_TESTING};
if ( !SDL::TestTool->init(SDL_INIT_VIDEO) ) {
plan( skip_all => 'Failed to init video' );
} elsif ( !SDL::Config->has('SDL_gfx_primitives') ) {
plan( skip_all => 'SDL_gfx_primitives support not compiled' );
}
my $v = SDL::GFX::linked_version();
isa_ok( $v, 'SDL::Version', '[linked_version]' );
printf( "got version: %d.%d.%d\n", $v->major, $v->minor, $v->patch );
my $display = SDL::Video::set_video_mode( 640, 480, 32, SDL_ANYFORMAT );
my $pixel = SDL::Video::map_RGB( $display->format, 0, 0, 0 );
if ( !$display ) {
plan skip_all => 'Couldn\'t set video mode: ' . SDL::get_error();
}
my $surface = SDL::Surface->new( SDL_SWSURFACE, 640, 480, 32, 0, 0, 0, 0 );
SDL::Video::fill_rect(
$surface,
SDL::Rect->new( 0, 0, $surface->w, $surface->h ), $pixel
);
# pixel tests
is( SDL::GFX::Primitives::pixel_color( $surface, 2, 3, 0xFF0000FF ),
0, 'pixel_color'
);
is( SDL::GFX::Primitives::pixel_RGBA( $surface, 4, 3, 0x00, 0xFF, 0x00, 0xFF ),
0, 'pixel_RGBA'
);
# demo for pixel functions
#SDL::GFX::Primitives::rectangle_color($surface, 3, 4, 125, 106, 0xCCCCCCFF);
#SDL::GFX::Primitives::rectangle_color($surface, 3, 116, 125, 218, 0xCCCCCCFF);
my $max_x = 120;
my $max_y = 100;
my $max_iterationen = 400;
my $punkt_abstand_x = 0.015;
my $punkt_abstand_y = 0.015;
my $min_cx = -2.1;
my $min_cy = -1.1;
my $max_betrag_quadrat = 4000;
my $r = 0xFF;
my $g = 0x00;
my $b = 0x00;
for ( my $x = 0; $x <= $max_x; $x++ ) {
if ( $x < 20 ) {
$g += 12.7;
} elsif ( $x < 40 ) {
$r -= 12.7;
} elsif ( $x < 60 ) {
$r = 0;
$b += 12.7;
} elsif ( $x < 80 ) {
$g -= 12.7;
} elsif ( $x < 100 ) {
$g = 0;
$r += 12.7;
} else {
$b -= 12.7;
}
for ( my $y = 0; $y <= $max_y; $y++ ) {
# fractal
my $iteration = mandel_point(
$min_cx + $x * $punkt_abstand_x,
$min_cy + $y * $punkt_abstand_y
);
my $col = ( $iteration / $max_iterationen * 8192 ) & 0xFF;
SDL::GFX::Primitives::pixel_RGBA(
$surface, 4 + $x, 5 + $y, $col, 0,
256 - $col, 0xFF
);
# color picker
SDL::GFX::Primitives::pixel_RGBA(
$surface, 4 + $x, 117 + $y, $r, $g,
$b, 0xFF - 0xFF * $y / $max_y
);
}
}
# line tests
is( SDL::GFX::Primitives::hline_color( $surface, 131, 135, 4, 0x00FF00FF ),
0, 'hline_color'
); # green
is( SDL::GFX::Primitives::hline_RGBA( $surface, 131, 135, 6, 0xFF, 0xFF, 0x00, 0xFF ),
0,
'hline_RGBA'
); # yellow
is( SDL::GFX::Primitives::vline_color( $surface, 137, 3, 7, 0x0000FFFF ),
0, 'vline_color'
); # blue
is( SDL::GFX::Primitives::vline_RGBA( $surface, 139, 3, 7, 0xFF, 0x00, 0x00, 0xFF ),
0,
'vline_RGBA'
); # red
# hline/vline demo
#SDL::GFX::Primitives::rectangle_color($surface, 131, 55 + $_ * 20, 253, 67 + $_ * 20, 0xCCCCCCFF) for(0..5);
#SDL::GFX::Primitives::rectangle_color($surface, 136 + $_ * 20, 50, 148 + $_ * 20, 172, 0xCCCCCCFF) for(0..5);
SDL::GFX::Primitives::hline_color( $surface, 132, 252, $_, 0xFF000080 ) for ( 56 .. 66 );
SDL::GFX::Primitives::hline_color( $surface, 132, 252, $_, 0xFFFF0080 ) for ( 76 .. 86 );
SDL::GFX::Primitives::hline_color( $surface, 132, 252, $_, 0x00FF0080 ) for ( 96 .. 106 );
SDL::GFX::Primitives::hline_color( $surface, 132, 252, $_, 0x00FFFF80 ) for ( 116 .. 126 );
SDL::GFX::Primitives::hline_color( $surface, 132, 252, $_, 0x0000FF80 ) for ( 136 .. 146 );
SDL::GFX::Primitives::hline_color( $surface, 132, 252, $_, 0xFF00FF80 ) for ( 156 .. 166 );
SDL::GFX::Primitives::vline_color( $surface, $_, 51, 171, 0xFF000080 ) for ( 137 .. 147 );
SDL::GFX::Primitives::vline_color( $surface, $_, 51, 171, 0xFFFF0080 ) for ( 157 .. 167 );
SDL::GFX::Primitives::vline_color( $surface, $_, 51, 171, 0x00FF0080 ) for ( 177 .. 187 );
SDL::GFX::Primitives::vline_color( $surface, $_, 51, 171, 0x00FFFF80 ) for ( 197 .. 207 );
SDL::GFX::Primitives::vline_color( $surface, $_, 51, 171, 0x0000FF80 ) for ( 217 .. 227 );
SDL::GFX::Primitives::vline_color( $surface, $_, 51, 171, 0xFF00FF80 ) for ( 237 .. 247 );
# aaline test
is( SDL::GFX::Primitives::line_color( $surface, 261, 3, 265, 7, 0xFF00FFFF ),
0, 'line_color'
); # pink
is( SDL::GFX::Primitives::line_RGBA( $surface, 261, 7, 265, 3, 0x00, 0xFF, 0xFF, 0xFF ),
0,
'line_RGBA'
); # turquoise
is( SDL::GFX::Primitives::aaline_color( $surface, 267, 3, 271, 7, 0xFF00FFFF ),
0, 'aaline_color'
); # pink
is( SDL::GFX::Primitives::aaline_RGBA( $surface, 267, 7, 271, 3, 0x00, 0xFF, 0xFF, 0xFF ),
0,
'aaline_RGBA'
); # turquoise
# aaline demo
my $last_x = 287;
my $last_y = 62;
my @points_x = (
309, 333, 355, 372, 380, 380, 371, 354,
332, 308, 286, 269, 261, 261, 270, 287
);
my @points_y = ( 53, 53, 62, 79, 101, 125, 147, 164, 173, 173, 163, 146, 124, 100, 78, 62 );
for my $p1 ( 0 .. 15 ) {
for my $p2 ( 0 .. 15 ) {
SDL::GFX::Primitives::aaline_color(
$surface, $points_x[$p1], $points_y[$p1],
$points_x[$p2], $points_y[$p2], 0xFFFFFF50
);
}
}
# rectangle/box demo
#SDL::GFX::Primitives::rectangle_RGBA($surface, 260 + $_ * 2, 5 + $_ / 120 * 100, 380 - $_ * 2, 105 - $_ / 120 * 100, $_ / 60 * 256, 0, 0, 0xFF) for(0..60);
#SDL::GFX::Primitives::box_RGBA($surface, 260 + $_, 117 + $_ / 120 * 100, 380 - $_, 217 - $_ / 120 * 100, $_ / 120 * 256, 0, 0, 0x08) for(0..120);
# rectangle/box test
is( SDL::GFX::Primitives::rectangle_color( $surface, 390, 3, 394, 7, 0x00FF00FF ),
0,
'rectangle_color'
); # green
is( SDL::GFX::Primitives::rectangle_RGBA( $surface, 396, 3, 400, 7, 0xFF, 0xFF, 0x00, 0xFF ),
0,
'rectangle_RGBA'
); # yellow
is( SDL::GFX::Primitives::box_color( $surface, 402, 3, 406, 7, 0x0000FFFF ),
0, 'rectangle_color'
); # blue
is( SDL::GFX::Primitives::box_RGBA( $surface, 408, 3, 412, 7, 0xFF, 0x00, 0x00, 0xFF ),
0,
'rectangle_RGBA'
); # red
# rectangle/box demo
my @box = (
[ '0', '0', '0', '0', '0', '0', '0', '0',
'0', '0', '0', '0', '0', '0', '0'
],
[ '0', '0', '0', '0', '0', '0', '/', '_',
'\\', '0', '0', '0', '0', '0', '0'
],
[ '0', '0', '0', '0', '/', '/', '/', '_',
'\\', '\\', '\\', '0', '0', '0', '0'
],
[ '0', '0', '0', '/', '/', '/', '/', '_',
'\\', '\\', '\\', '\\', '0', '0', '0'
],
[ '0', '0', '/', '/', '/', '/', '/', '_',
'\\', '\\', '\\', '\\', '\\', '0', '0'
],
[ '0', '0', '/', '/', '/', '/', '/', '_',
'\\', '\\', '\\', '\\', '\\', '0', '0'
],
[ '0', '/', '/', '/', '/', '/', '/', '_',
'\\', '\\', '\\', '\\', '\\', '\\', '0'
],
[ '0', '<', '<', '<', '<', '<', '<', '0',
'>', '>', '>', '>', '>', '>', '0'
],
[ '0', '\\', '\\', '\\', '\\', '\\', '\\', '-',
'/', '/', '/', '/', '/', '/', '0'
],
[ '0', '0', '\\', '\\', '\\', '\\', '\\', '-',
'/', '/', '/', '/', '/', '0', '0'
],
[ '0', '0', '\\', '\\', '\\', '\\', '\\', '-',
'/', '/', '/', '/', '/', '0', '0'
],
[ '0', '0', '0', '\\', '\\', '\\', '\\', '-',
'/', '/', '/', '/', '0', '0', '0'
],
[ '0', '0', '0', '0', '\\', '\\', '\\', '-',
'/', '/', '/', '0', '0', '0', '0'
],
[ '0', '0', '0', '0', '0', '\\', '\\', '-',
'/', '/', '0', '0', '0', '0', '0'
],
[ '0', '0', '0', '0', '0', '0', '0', '0',
'0', '0', '0', '0', '0', '0', '0'
]
);
for my $y ( 0 .. 14 ) {
for my $x ( 0 .. 14 ) {
my $x_pos = 390 + $x * 8;
my $y_pos = 53 + $y * 8;
my $bg_color = ( ( $y & 1 ) ^ ( $x & 1 ) ) ? 0xFFFFFFFF : 0x333333FF;
my $fg_color = ( ( $y & 1 ) ^ ( $x & 1 ) ) ? 0x333333FF : 0xFFFFFFFF;
SDL::GFX::Primitives::box_color(
$surface, $x_pos, $y_pos, $x_pos + 7,
$y_pos + 7, $bg_color
);
if ( @{ $box[$y] }[$x] =~ /[\-_]/ ) {
SDL::GFX::Primitives::box_color(
$surface, $x_pos + 1,
$y_pos + ( $y < 7 ? 5 : 1 ),
$x_pos + 2, $y_pos + ( $y < 7 ? 6 : 2 ), $fg_color
);
SDL::GFX::Primitives::box_color(
$surface, $x_pos + 5,
$y_pos + ( $y < 7 ? 5 : 1 ),
$x_pos + 6, $y_pos + ( $y < 7 ? 6 : 2 ), $fg_color
);
}
if ( @{ $box[$y] }[$x] =~ /[<>]/ ) {
SDL::GFX::Primitives::box_color(
$surface, $x_pos + ( $x < 7 ? 5 : 1 ),
$y_pos + 1, $x_pos + ( $x < 7 ? 6 : 2 ),
$y_pos + 2, $fg_color
);
SDL::GFX::Primitives::box_color(
$surface, $x_pos + ( $x < 7 ? 5 : 1 ),
$y_pos + 5, $x_pos + ( $x < 7 ? 6 : 2 ),
$y_pos + 6, $fg_color
);
}
if ( @{ $box[$y] }[$x] =~ /\\/ ) {
SDL::GFX::Primitives::box_color(
$surface, $x_pos + 1, $y_pos + 1, $x_pos + 2,
$y_pos + 2, $fg_color
);
SDL::GFX::Primitives::box_color(
$surface, $x_pos + 5, $y_pos + 5, $x_pos + 6,
$y_pos + 6, $fg_color
);
}
if ( @{ $box[$y] }[$x] =~ /\// ) {
SDL::GFX::Primitives::box_color(
$surface, $x_pos + 5, $y_pos + 1, $x_pos + 6,
$y_pos + 2, $fg_color
);
SDL::GFX::Primitives::box_color(
$surface, $x_pos + 1, $y_pos + 5, $x_pos + 2,
$y_pos + 6, $fg_color
);
}
}
}
# circle/arc/aacircle/filled_circle/pie/filled_pie test
is( SDL::GFX::Primitives::circle_color( $surface, 520, 5, 2, 0x00FF00FF ),
0, 'circle_color'
); # green
is( SDL::GFX::Primitives::circle_RGBA( $surface, 527, 5, 2, 0xFF, 0xFF, 0x00, 0xFF ),
0,
'circle_RGBA'
); # yellow
is( SDL::GFX::Primitives::aacircle_color( $surface, 534, 5, 2, 0x00FF00FF ),
0, 'aacircle_color'
); # green
is( SDL::GFX::Primitives::aacircle_RGBA( $surface, 541, 5, 2, 0xFF, 0xFF, 0x00, 0xFF ),
0,
'aacircle_RGBA'
); # yellow
is( SDL::GFX::Primitives::filled_circle_color( $surface, 548, 5, 2, 0x00FF00FF ),
0,
'filled_circle_color'
); # green
is( SDL::GFX::Primitives::filled_circle_RGBA( $surface, 555, 5, 2, 0xFF, 0xFF, 0x00, 0xFF ),
0,
'filled_circle_RGBA'
); # yellow
SKIP:
{
skip( 'Version 2.0.17 needed', 2 )
unless ( $v->major >= 2 && $v->minor >= 0 && $v->patch >= 17 );
is( SDL::GFX::Primitives::arc_color( $surface, 562, 5, 2, 5, 175, 0x00FF00FF ),
0,
'arc_color'
); # green
is( SDL::GFX::Primitives::arc_RGBA( $surface, 569, 5, 2, 185, 355, 0xFF, 0xFF, 0x00, 0xFF ),
0,
'arc_RGBA'
); # yellow
}
is( SDL::GFX::Primitives::pie_color( $surface, 576, 7, 5, 270, 0, 0xFF0000FF ),
0, 'pie_color'
); # red
is( SDL::GFX::Primitives::pie_RGBA( $surface, 583, 7, 5, 270, 0, 0x00, 0x00, 0xFF, 0xFF ),
0,
'pie_RGBA'
); # blue
is( SDL::GFX::Primitives::filled_pie_color( $surface, 590, 7, 5, 270, 0, 0xFF0000FF ),
0,
'filled_pie_color'
); # red
is( SDL::GFX::Primitives::filled_pie_RGBA( $surface, 597, 7, 5, 270, 0, 0x00, 0x00, 0xFF, 0xFF ),
0,
'filled_pie_RGBA'
); # blue
# circle/arc/aacircle/filled_circle/pie/filled_pie demo
SDL::GFX::Primitives::filled_circle_color( $surface, 553, 137, 36, 0x00FF0080 );
SDL::GFX::Primitives::filled_circle_color( $surface, 601, 137, 36, 0x0000FF80 );
SDL::GFX::Primitives::filled_circle_color( $surface, 577, 87, 36, 0xFF000080 );
if ( $v->major >= 2 && $v->minor >= 0 && $v->patch >= 17 ) {
SDL::GFX::Primitives::arc_color(
$surface, 553, 137, 36, 310, 335,
0xFFFFFF80
);
SDL::GFX::Primitives::arc_color(
$surface, 601, 137, 36, 205, 230,
0xFFFFFF80
);
SDL::GFX::Primitives::arc_color(
$surface, 577, 87, 36, 75, 105,
0xFFFFFF80
);
SDL::GFX::Primitives::arc_color(
$surface, 553, 137, 36, 48, 255,
0xFFFFFF80
);
SDL::GFX::Primitives::arc_color(
$surface, 601, 137, 36, 285, 132,
0xFFFFFF80
);
SDL::GFX::Primitives::arc_color(
$surface, 577, 87, 36, 155, 25,
0xFFFFFF80
);
}
SDL::Video::blit_surface(
$surface, SDL::Rect->new( 0, 0, 640, 480 ),
$display, SDL::Rect->new( 0, 0, 640, 480 )
);
SDL::Video::update_rect( $display, 0, 0, 640, 480 );
SDL::delay(3000);
if ($videodriver) {
$ENV{SDL_VIDEODRIVER} = $videodriver;
} else {
delete $ENV{SDL_VIDEODRIVER};
}
pass 'Are we still alive? Checking for segfaults';
done_testing;
sub mandel_point {
my $cx = shift;
my $cy = shift;
my $betrag_quadrat = 0;
my $iter = 0;
my $x = 0;
my $y = 0;
while ( $betrag_quadrat <= $max_betrag_quadrat && $iter < $max_iterationen ) {
my $xt = $x * $x - $y * $y + $cx;
my $yt = 2 * $x * $y + $cy;
$x = $xt;
$y = $yt;
$iter++;
$betrag_quadrat = $x * $x + $y * $y;
}
return $iter;
}
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