Classes | |
struct | GF_VideoSurface |
Video framebuffer object. More... | |
struct | GF_Window |
Video Window object. More... | |
struct | GF_ColorMatrix |
color matrix object More... | |
Defines | |
#define | GF_COL_ARGB(a, r, g, b) |
#define | GF_COL_ARGB_FIXED(_a, _r, _g, _b) |
#define | GF_COL_A(c) |
#define | GF_COL_R(c) |
#define | GF_COL_G(c) |
#define | GF_COL_B(c) |
#define | GF_COL_565(r, g, b) |
#define | GF_COL_555(r, g, b) |
#define | GF_COL_444(r, g, b) |
#define | GF_COL_AG(a, g) |
#define | GF_COL_TO_565(c) |
#define | GF_COL_TO_555(c) |
#define | GF_COL_TO_AG(c) |
#define | GF_COL_TO_444(c) |
Typedefs | |
typedef u32 | GF_Color |
ARGB color object. | |
Functions | |
void | gf_cmx_init (GF_ColorMatrix *_this) |
void | gf_cmx_set_all (GF_ColorMatrix *_this, Fixed *coefs) |
void | gf_cmx_set (GF_ColorMatrix *_this, Fixed mrr, Fixed mrg, Fixed mrb, Fixed mra, Fixed tr, Fixed mgr, Fixed mgg, Fixed mgb, Fixed mga, Fixed tg, Fixed mbr, Fixed mbg, Fixed mbb, Fixed mba, Fixed tb, Fixed mar, Fixed mag, Fixed mab, Fixed maa, Fixed ta) |
void | gf_cmx_copy (GF_ColorMatrix *_this, GF_ColorMatrix *from) |
void | gf_cmx_multiply (GF_ColorMatrix *_this, GF_ColorMatrix *with) |
color matrix multiplication | |
GF_Color | gf_cmx_apply (GF_ColorMatrix *_this, GF_Color col) |
color matrix transform | |
void | gf_cmx_apply_fixed (GF_ColorMatrix *_this, Fixed *a, Fixed *r, Fixed *g, Fixed *b) |
color components matrix transform | |
GF_Err | gf_stretch_bits (GF_VideoSurface *dst, GF_VideoSurface *src, GF_Window *dst_wnd, GF_Window *src_wnd, s32 dst_x_pitch, u8 alpha, Bool flip, u32 *colorKey, GF_ColorMatrix *cmat) |
not done yet |
#define GF_COL_ARGB | ( | a, | |||
r, | |||||
g, | |||||
b | ) |
color formating macro from alpha, red, green and blue components expressed as integers ranging from 0 to 255
#define GF_COL_ARGB_FIXED | ( | _a, | |||
_r, | |||||
_g, | |||||
_b | ) |
color formating macro from alpha, red, green and blue components expressed as fixed numbers ranging from 0 to FIX_ONE
#define GF_COL_A | ( | c | ) |
gets alpha component of a color
#define GF_COL_R | ( | c | ) |
gets red component of a color
#define GF_COL_G | ( | c | ) |
gets green component of a color
#define GF_COL_B | ( | c | ) |
gets blue component of a color
#define GF_COL_565 | ( | r, | |||
g, | |||||
b | ) |
16-bits color formating macro from red, green and blue components
#define GF_COL_555 | ( | r, | |||
g, | |||||
b | ) |
15-bits color formating macro from red, green and blue components
#define GF_COL_444 | ( | r, | |||
g, | |||||
b | ) |
15-bits color formating macro from red, green and blue components
#define GF_COL_AG | ( | a, | |||
g | ) |
16-bits alphagrey color formating macro alpha and grey components
#define GF_COL_TO_565 | ( | c | ) |
transfoms a 32-bits color into a 16-bits one.
#define GF_COL_TO_555 | ( | c | ) |
transfoms a 32-bits color into a 15-bits one.
#define GF_COL_TO_AG | ( | c | ) |
transfoms a 32-bits color into a 16-bits alphagrey one.
#define GF_COL_TO_444 | ( | c | ) |
transfoms a 32-bits color into a 15-bits one.
typedef u32 GF_Color |
The color type used in the GPAC framework represents colors in the form 0xAARRGGBB, with each component ranging from 0 to 255
void gf_cmx_init | ( | GF_ColorMatrix * | _this | ) |
Inits a color matrix to identity
void gf_cmx_set_all | ( | GF_ColorMatrix * | _this, | |
Fixed * | coefs | |||
) |
Inits all coefficients of a color matrix
_this | color matrix to initialize | |
coefs | list of the 20 fixed numbers to copy |
void gf_cmx_set | ( | GF_ColorMatrix * | _this, | |
Fixed | mrr, | |||
Fixed | mrg, | |||
Fixed | mrb, | |||
Fixed | mra, | |||
Fixed | tr, | |||
Fixed | mgr, | |||
Fixed | mgg, | |||
Fixed | mgb, | |||
Fixed | mga, | |||
Fixed | tg, | |||
Fixed | mbr, | |||
Fixed | mbg, | |||
Fixed | mbb, | |||
Fixed | mba, | |||
Fixed | tb, | |||
Fixed | mar, | |||
Fixed | mag, | |||
Fixed | mab, | |||
Fixed | maa, | |||
Fixed | ta | |||
) |
Inits all coefficients of a color matrix
_this | color matrix to initialize | |
mrr | red-to-red multiplication factor | |
mrg | red-to-green multiplication factor | |
mrb | red-to-blue multiplication factor | |
mra | red-to-alpha multiplication factor | |
tr | red translation factor | |
mgr | green-to-red multiplication factor | |
mgg | green-to-green multiplication factor | |
mgb | green-to-blue multiplication factor | |
mga | green-to-alpha multiplication factor | |
tg | green translation factor | |
mbr | blue-to-red multiplication factor | |
mbg | blue-to-green multiplication factor | |
mbb | blue-to-blue multiplication factor | |
mba | blue-to-alpha multiplication factor | |
tb | blue translation factor | |
mar | alpha-to-red multiplication factor | |
mag | alpha-to-green multiplication factor | |
mab | alpha-to-blue multiplication factor | |
maa | alpha-to-alpha multiplication factor | |
ta | alpha translation factor |
void gf_cmx_copy | ( | GF_ColorMatrix * | _this, | |
GF_ColorMatrix * | from | |||
) |
Inits a matrix from another matrix
_this | color matrix to initialize | |
from | color matrix to copy from |
void gf_cmx_multiply | ( | GF_ColorMatrix * | _this, | |
GF_ColorMatrix * | with | |||
) |
Multiplies a color matrix by another one. Result is _this*with
_this | color matrix to transform. Once the function called, _this will contain the resulting color matrix | |
with | color matrix to add |
GF_Color gf_cmx_apply | ( | GF_ColorMatrix * | _this, | |
GF_Color | col | |||
) |
Transforms a color with a given color matrix
_this | color matrix to use. | |
col | color to transform |
void gf_cmx_apply_fixed | ( | GF_ColorMatrix * | _this, | |
Fixed * | a, | |||
Fixed * | r, | |||
Fixed * | g, | |||
Fixed * | b | |||
) |
Transforms color components with a given color matrix
_this | color matrix to use. | |
a | pointer to alpha component. Once the function is called, a contains the transformed alpha component | |
r | pointer to red component. Once the function is called, r contains the transformed red component | |
g | pointer to green component. Once the function is called, g contains the transformed green component | |
b | pointer to blue component. Once the function is called, b contains the transformed blue component |