41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
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#ifndef __RTGUI_DC_TRANS_H__
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#define __RTGUI_DC_TRANS_H__
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#include <rtgui/dc.h>
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#include <rtgui/matrix.h>
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struct rtgui_dc_trans;
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/** Create a dc translator on the dc @owner
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*
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* @return RT_NULL is there is no memory.
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*/
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struct rtgui_dc_trans* rtgui_dc_trans_create(struct rtgui_dc *owner);
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/** Rotate the dc clockwise.
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*
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* @param degree the degree to rotate.
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*/
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void rtgui_dc_trans_rotate(struct rtgui_dc_trans *dct, double degree);
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void rtgui_dc_trans_set_aa(struct rtgui_dc_trans *dct, int use_aa);
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void rtgui_dc_trans_scale(struct rtgui_dc_trans *dct, double sx, double sy);
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/** Move the dc
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*
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* The unit of @dx and @dy is pixel.
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*/
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void rtgui_dc_trans_move(struct rtgui_dc_trans *dct, int dx, int dy);
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void rtgui_dc_trans_get_new_wh(struct rtgui_dc_trans *dct, int *new_w, int *new_h);
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void rtgui_dc_trans_blit(struct rtgui_dc_trans *dct,
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struct rtgui_point *dc_point,
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struct rtgui_dc *dest,
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struct rtgui_rect *rect);
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void rtgui_dc_trans_destroy(struct rtgui_dc_trans *dct);
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#endif
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