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- #ifndef MUPDF_FITZ_TRANSITION_H
- #define MUPDF_FITZ_TRANSITION_H
- #include "mupdf/fitz/system.h"
- #include "mupdf/fitz/pixmap.h"
- /* Transition support */
- typedef struct fz_transition_s fz_transition;
- enum {
- FZ_TRANSITION_NONE = 0, /* aka 'R' or 'REPLACE' */
- FZ_TRANSITION_SPLIT,
- FZ_TRANSITION_BLINDS,
- FZ_TRANSITION_BOX,
- FZ_TRANSITION_WIPE,
- FZ_TRANSITION_DISSOLVE,
- FZ_TRANSITION_GLITTER,
- FZ_TRANSITION_FLY,
- FZ_TRANSITION_PUSH,
- FZ_TRANSITION_COVER,
- FZ_TRANSITION_UNCOVER,
- FZ_TRANSITION_FADE
- };
- struct fz_transition_s
- {
- int type;
- float duration; /* Effect duration (seconds) */
- /* Parameters controlling the effect */
- int vertical; /* 0 or 1 */
- int outwards; /* 0 or 1 */
- int direction; /* Degrees */
- /* Potentially more to come */
- /* State variables for use of the transition code */
- int state0;
- int state1;
- };
- /*
- fz_generate_transition: Generate a frame of a transition.
- tpix: Target pixmap
- opix: Old pixmap
- npix: New pixmap
- time: Position within the transition (0 to 256)
- trans: Transition details
- Returns 1 if successfully generated a frame.
- */
- int fz_generate_transition(fz_context *ctx, fz_pixmap *tpix, fz_pixmap *opix, fz_pixmap *npix, int time, fz_transition *trans);
- #endif
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