MadButterfly: include/mb_img

annotate include/mb_img_ldr.h @ 1381:9a585df24e52

Consider the width and height attribute for the rect elements. The inkscape will change the width and height directly without using transform when we resize the rectangle.

author	wycc
date	Wed, 23 Mar 2011 23:02:36 +0800
parents	586e50f82c1f
children

rev	line source
822 586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 268 diff changeset	1 // -- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; --
586e50f82c1f Unify coding style tag for emacs and vim. Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com> parents: 268 diff changeset	2 // vim: sw=4:ts=8:sts=4
257 50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3 #ifndef __MB_IMG_LDR_H_
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	4 #define __MB_IMG_LDR_H_
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	5
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	6 typedef struct _mb_img_data mb_img_data_t;
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	7 typedef struct _mb_img_ldr mb_img_ldr_t;
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	8
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	9 typedef enum _mb_img_fmt {
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	10 MB_IFMT_DUMMY,
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	11 MB_IFMT_ARGB32,
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	12 MB_IFMT_RGB24,
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	13 MB_IFMT_A8,
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	14 MB_IFMT_A1,
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	15 MB_IFMT_RGB16_565
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	16 } mb_img_fmt_t;
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	17
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	18 /*! \brief Encapsulate image.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	19 *
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	20 * The format and content of an image is encapsulated by imag_data_t.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	21 * We hope someday, we can create an abstract backend layer that
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	22 * can deal with image data.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	23 */
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	24 struct _mb_img_data {
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	25 /! \brief Content of the image. /
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	26 void *content;
268 43900cae1d49 Support resizing for image. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	27 int w, h;
257 50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	28 int stride; /!< \brief Number of bytes a row /
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	29 mb_img_fmt_t fmt;
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	30 /! \brief Release the image that was loaded by the loader. /
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	31 void (free)(mb_img_data_t img);
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	32 };
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	33 #define MB_IMG_DATA_FREE(img) (img)->free(img)
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	35 /*! \brief Image loader.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36 *
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	37 * An image loader take a ID and find out the corresponding
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	38 * image from filesystem or somewhere. Image ID is a hierachical
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 * structured path. It is relative to the root of image database.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	40 * Users of a loader do not need to know where the database is.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	41 * The location can be configured when a loader been instantiated.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	42 * But, it is invisible when loading images by an image loader.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	43 */
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	44 struct _mb_img_ldr {
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	45 /! \brief Load a image with specified ID. /
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	46 mb_img_data_t (load)(mb_img_ldr_t ldr, const char img_id);
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	47 /! \brief Free the loader. /
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	48 void (free)(mb_img_ldr_t ldr);
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	49 };
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	50 #define MB_IMG_LDR_FREE(ldr) (ldr)->free(ldr)
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 257 diff changeset	51 #define MB_IMG_LDR_LOAD(ldr, img_id) (ldr)->load(ldr, img_id)
257 50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	52
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	53 /*! \brief Create a simple image loader.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	54 *
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	55 * \param img_repository is a repository where images are loaded from.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56 * \return NULL for error.
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	57 */
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	58 extern mb_img_ldr_t simple_mb_img_ldr_new(const char img_repository);
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	59
50d253d0fcba Simple image loader and image shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	60 #endif /* __MB_IMG_LDR_H_ */

Mercurial > MadButterfly

annotate include/mb_img_ldr.h @ 1381:9a585df24e52