X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=gfx%2Fgfx.h;h=5fe1e30016153f7ae0b1818acad099f014d3f942;hb=31b4a3ad1e2824fd9beb298695dec7fb34ee6130;hp=6e812a96e19a27e220b58db98bfa3bbac09c676d;hpb=26633abe9295e935a4645aa2447cdbcdd499006f;p=bertos.git diff --git a/gfx/gfx.h b/gfx/gfx.h index 6e812a96..5fe1e300 100755 --- a/gfx/gfx.h +++ b/gfx/gfx.h @@ -14,6 +14,18 @@ /*#* *#* $Log$ + *#* Revision 1.16 2006/05/27 17:17:34 bernie + *#* Optimize away divisions in RAST_ADDR/MASK macros. + *#* + *#* Revision 1.15 2006/05/25 23:35:40 bernie + *#* Cleanup. + *#* + *#* Revision 1.14 2006/04/27 05:39:24 bernie + *#* Enhance text rendering to arbitrary x,y coords. + *#* + *#* Revision 1.13 2006/04/11 00:08:24 bernie + *#* text_offset(): New function, but I'm not quite confident with the design. + *#* *#* Revision 1.12 2006/03/27 04:48:56 bernie *#* gfx_blitImage(): New function; gfx_blitRaster(): Fix clipping bug. *#* @@ -69,6 +81,7 @@ EXTERN_C_BEGIN /*! Common type for coordinates expressed in pixel units */ typedef int coord_t; +typedef unsigned int ucoord_t; #if CONFIG_GFX_VCOORDS /*! Common type for coordinates expressed in logical units */ @@ -117,8 +130,11 @@ typedef struct Rect { coord_t xmin, ymin, xmax, ymax; } Rect; /* Fwd decl */ struct Font; -/*! +/** * Control structure to draw in a bitmap + * + * \todo For better ortogonality, split this structure into + * an Image and a plain drawing context called Painter. */ typedef struct Bitmap { @@ -138,6 +154,8 @@ typedef struct Bitmap * The text rendering routine can apply a few simple transformations * to the current font in order to generate common styles such as * bold, italic and underline from plain glyphs. + * + * \see text_style() */ uint8_t styles; #endif @@ -164,25 +182,26 @@ typedef struct Image coord_t width; /*!< Raster width in pixels. */ coord_t height; /*!< Raster height in pixels. */ coord_t stride; /*!< Bytes per row. */ -}; +} Image; #if CONFIG_BITMAP_FMT == BITMAP_FMT_PLANAR_H_MSB /** * Compute the size in bytes of a raster suitable for * holding a bitmap of \a width x \a height pixels. */ - #define RASTER_SIZE(width, height) ( ((width) + 7 / 8) * (height) ) + #define RAST_SIZE(width, height) ( ((width) + 7 / 8) * (height) ) #elif CONFIG_BITMAP_FMT == BITMAP_FMT_PLANAR_V_LSB /** * Compute the size in bytes of a raster suitable for * holding a bitmap of \a width x \a height pixels. */ - #define RASTER_SIZE(width, height) ( (width) * (((height) + 7) / 8) ) + #define RAST_SIZE(width, height) ( (width) * (((height) + 7) / 8) ) #else #error Unknown value of CONFIG_BITMAP_FMT #endif /* CONFIG_BITMAP_FMT */ +#define RASTER_SIZE RAST_SIZE /* OBSOLETE */ /* Function prototypes */ void gfx_bitmapInit (Bitmap *bm, uint8_t *raster, coord_t w, coord_t h);