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Man Pages


Manual Reference Pages  -  AL_DRAW_ROTATED_BITMAP (3)

NAME

al_draw_rotated_bitmap - Allegro 5 API

CONTENTS

Synopsis
Description
See Also

SYNOPSIS

C]
#include <allegro5/allegro.h>

void al_draw_rotated_bitmap(ALLEGRO_BITMAP *bitmap, float cx, float cy, float dx, float dy, float angle, int flags) ]

DESCRIPTION

Draws a rotated version of the given bitmap to the target bitmap. The bitmap is rotated by [aq]angle[aq] radians clockwise.

The point at cx/cy relative to the upper left corner of the bitmap will be drawn at dx/dy and the bitmap is rotated around this point. If cx,cy is 0,0 the bitmap will rotate around its upper left corner.
[bu] cx - center x (relative to the bitmap)
[bu] cy - center y (relative to the bitmap)
[bu] dx - destination x
[bu] dy - destination y
[bu] angle - angle by which to rotate
[bu] flags - same as for al_draw_bitmap(3)
Example
C]
float w = al_get_bitmap_width(bitmap);
float h = al_get_bitmap_height(bitmap);
al_draw_rotated_bitmap(bitmap, w / 2, h / 2, x, y, ALLEGRO_PI / 2, 0);
]

The above code draws the bitmap centered on x/y and rotates it 90 clockwise.

SEE ALSO

al_draw_bitmap(3), al_draw_bitmap_region(3), al_draw_scaled_bitmap(3), al_draw_scaled_rotated_bitmap(3)

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Allegro reference manual AL_DRAW_ROTATED_BITMAP (3)

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