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Third Party Libpng

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提交 bbd17bd7 编写于 作者: J John Bowler 提交者： Glenn Randers-Pehrson
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[devel] Describe the new XYZ APIs in the manual.

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libpng-manual.txt
浏览文件 @ bbd17bd7
...@@ -1142,6 +1142,28 @@ pointer into the info_ptr is returned for any complex types. ...@@ -1142,6 +1142,28 @@ pointer into the info_ptr is returned for any complex types.
int_file_gamma - 100,000 times the gamma at which the int_file_gamma - 100,000 times the gamma at which the
file is written file is written
png_get_cHRM(png_ptr, info_ptr, &white_x, &white_y, &red_x, &red_y,
&green_x, &green_y, &blue_x, &blue_y)
png_get_cHRM_XYZ(png_ptr, info_ptr, &red_X, &red_Y, &red_Z, &green_X,
&green_Y, &green_Z, &blue_X, &blue_Y, &blue_Z)
png_get_cHRM_fixed(png_ptr, info_ptr, &int_white_x, &int_white_y,
&int_red_x, &int_red_y, &int_green_x, &int_green_y,
&int_blue_x, &int_blue_y)
png_get_cHRM_XYZ_fixed(png_ptr, info_ptr, &int_red_X, &int_red_Y,
&int_red_Z, &int_green_X, &int_green_Y, &int_green_Z,
&int_blue_X, &int_blue_Y, &int_blue_Z)
{white,red,green,blue}_{x,y}
A color space encoding specified using the chromaticities
of the end points and the white point. (PNG_INFO_cHRM)
{red,green,blue}_{X,Y,Z}
A color space encoding specified using the encoding end
points - the CIE tristimulus specification of the intended
color of the red, green and blue channels in the PNG RGB
data. The white point is simply the sum of the three end
points. (PNG_INFO_cHRM)
png_get_sRGB(png_ptr, info_ptr, &srgb_intent); png_get_sRGB(png_ptr, info_ptr, &srgb_intent);
file_srgb_intent - the rendering intent (PNG_INFO_sRGB) file_srgb_intent - the rendering intent (PNG_INFO_sRGB)
...@@ -2692,6 +2714,28 @@ width, height, bit_depth, and color_type must be the same in each call. ...@@ -2692,6 +2714,28 @@ width, height, bit_depth, and color_type must be the same in each call.
int_file_gamma - 100,000 times the gamma at which int_file_gamma - 100,000 times the gamma at which
the image was created the image was created
png_set_cHRM(png_ptr, info_ptr, white_x, white_y, red_x, red_y,
green_x, green_y, blue_x, blue_y)
png_set_cHRM_XYZ(png_ptr, info_ptr, red_X, red_Y, red_Z, green_X,
green_Y, green_Z, blue_X, blue_Y, blue_Z)
png_set_cHRM_fixed(png_ptr, info_ptr, int_white_x, int_white_y,
int_red_x, int_red_y, int_green_x, int_green_y,
int_blue_x, int_blue_y)
png_set_cHRM_XYZ_fixed(png_ptr, info_ptr, int_red_X, int_red_Y,
int_red_Z, int_green_X, int_green_Y, int_green_Z,
int_blue_X, int_blue_Y, int_blue_Z)
{white,red,green,blue}_{x,y}
A color space encoding specified using the chromaticities
of the end points and the white point.
{red,green,blue}_{X,Y,Z}
A color space encoding specified using the encoding end
points - the CIE tristimulus specification of the intended
color of the red, green and blue channels in the PNG RGB
data. The white point is simply the sum of the three end
points.
png_set_sRGB(png_ptr, info_ptr, srgb_intent); png_set_sRGB(png_ptr, info_ptr, srgb_intent);
srgb_intent - the rendering intent srgb_intent - the rendering intent
......
libpng.3
浏览文件 @ bbd17bd7
...@@ -2119,6 +2119,28 @@ pointer into the info_ptr is returned for any complex types. ...@@ -2119,6 +2119,28 @@ pointer into the info_ptr is returned for any complex types.
int_file_gamma - 100,000 times the gamma at which the int_file_gamma - 100,000 times the gamma at which the
file is written file is written
png_get_cHRM(png_ptr, info_ptr, &white_x, &white_y, &red_x, &red_y,
&green_x, &green_y, &blue_x, &blue_y)
png_get_cHRM_XYZ(png_ptr, info_ptr, &red_X, &red_Y, &red_Z, &green_X,
&green_Y, &green_Z, &blue_X, &blue_Y, &blue_Z)
png_get_cHRM_fixed(png_ptr, info_ptr, &int_white_x, &int_white_y,
&int_red_x, &int_red_y, &int_green_x, &int_green_y,
&int_blue_x, &int_blue_y)
png_get_cHRM_XYZ_fixed(png_ptr, info_ptr, &int_red_X, &int_red_Y,
&int_red_Z, &int_green_X, &int_green_Y, &int_green_Z,
&int_blue_X, &int_blue_Y, &int_blue_Z)
{white,red,green,blue}_{x,y}
A color space encoding specified using the chromaticities
of the end points and the white point. (PNG_INFO_cHRM)
{red,green,blue}_{X,Y,Z}
A color space encoding specified using the encoding end
points - the CIE tristimulus specification of the intended
color of the red, green and blue channels in the PNG RGB
data. The white point is simply the sum of the three end
points. (PNG_INFO_cHRM)
png_get_sRGB(png_ptr, info_ptr, &srgb_intent); png_get_sRGB(png_ptr, info_ptr, &srgb_intent);
file_srgb_intent - the rendering intent (PNG_INFO_sRGB) file_srgb_intent - the rendering intent (PNG_INFO_sRGB)
...@@ -3669,6 +3691,28 @@ width, height, bit_depth, and color_type must be the same in each call. ...@@ -3669,6 +3691,28 @@ width, height, bit_depth, and color_type must be the same in each call.
int_file_gamma - 100,000 times the gamma at which int_file_gamma - 100,000 times the gamma at which
the image was created the image was created
png_set_cHRM(png_ptr, info_ptr, white_x, white_y, red_x, red_y,
green_x, green_y, blue_x, blue_y)
png_set_cHRM_XYZ(png_ptr, info_ptr, red_X, red_Y, red_Z, green_X,
green_Y, green_Z, blue_X, blue_Y, blue_Z)
png_set_cHRM_fixed(png_ptr, info_ptr, int_white_x, int_white_y,
int_red_x, int_red_y, int_green_x, int_green_y,
int_blue_x, int_blue_y)
png_set_cHRM_XYZ_fixed(png_ptr, info_ptr, int_red_X, int_red_Y,
int_red_Z, int_green_X, int_green_Y, int_green_Z,
int_blue_X, int_blue_Y, int_blue_Z)
{white,red,green,blue}_{x,y}
A color space encoding specified using the chromaticities
of the end points and the white point.
{red,green,blue}_{X,Y,Z}
A color space encoding specified using the encoding end
points - the CIE tristimulus specification of the intended
color of the red, green and blue channels in the PNG RGB
data. The white point is simply the sum of the three end
points.
png_set_sRGB(png_ptr, info_ptr, srgb_intent); png_set_sRGB(png_ptr, info_ptr, srgb_intent);
srgb_intent - the rendering intent srgb_intent - the rendering intent
......
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