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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __PAINT_FUNCS_H__
#define __PAINT_FUNCS_H__
/* Called initially to setup rendering features */
void paint_funcs_setup (void);
void paint_funcs_free (void);
/* Paint functions */
void color_pixels (guchar *dest,
const guchar *color,
guint w,
guint bytes);
void blend_pixels (const guchar *src1,
const guchar *src2,
guchar *dest,
guchar blend,
guint w,
guint bytes);
void shade_pixels (const guchar *src,
guchar *dest,
const guchar *color,
guchar rblend,
guint w,
guint bytes,
gboolean has_alpha);
void extract_alpha_pixels (const guchar *src,
const guchar *mask,
guchar *dest,
guint w,
guint bytes);
void swap_pixels (guchar *src,
guchar *dest,
guint length);
void scale_pixels (const guchar *src,
guchar *dest,
guint length,
gint scale);
void add_alpha_pixels (const guchar *src,
guchar *dest,
guint length,
guint bytes);
void flatten_pixels (const guchar *src,
guchar *dest,
const guchar *bg,
guint length,
guint bytes);
void gray_to_rgb_pixels (const guchar *src,
guchar *dest,
guint length,
guint bytes);
void component_pixels (const guchar *src,
guchar *dest,
guint length,
guint bytes,
guint pixel);
/* apply the mask data to the alpha channel of the pixel data */
void apply_mask_to_alpha_channel (guchar *src,
const guchar *mask,
guint opacity,
guint length,
guint bytes);
/* combine the mask data with the alpha channel of the pixel data */
void combine_mask_and_alpha_channel_stipple (guchar *src,
const guchar *mask,
guint opacity,
guint length,
guint bytes);
void combine_mask_and_alpha_channel_stroke (guchar *src,
const guchar *mask,
guint opacity,
guint length,
guint bytes);
/* copy gray pixels to intensity-alpha pixels. This function
* essentially takes a source that is only a grayscale image and
* copies it to the destination, expanding to RGB if necessary and
* adding an alpha channel. (OPAQUE)
*/
void copy_gray_to_inten_a_pixels (const guchar *src,
guchar *dest,
guint length,
guint bytes);
/* lay down the initial pixels in the case of only one
* channel being visible and no layers...In this singular
* case, we want to display a grayscale image w/o transparency
*/
void initial_channel_pixels (const guchar *src,
guchar *dest,
guint length,
guint bytes);
/* lay down the initial pixels in the case of an indexed image.
* This process obviously requires no composition
*/
void initial_indexed_pixels (const guchar *src,
guchar *dest,
const guchar *cmap,
guint length);
/* lay down the initial pixels in the case of an indexed image.
* This process obviously requires no composition
*/
void initial_indexed_a_pixels (const guchar *src,
guchar *dest,
const guchar *mask,
const guchar *no_mask,
const guchar *cmap,
guint opacity,
guint length);
/* lay down the initial pixels for the base layer.
* This process obviously requires no composition.
*/
void initial_inten_pixels (const guchar *src,
guchar *dest,
const guchar *mask,
const guchar *no_mask,
guint opacity,
const gboolean *affect,
guint length,
guint bytes);
/* lay down the initial pixels for the base layer.
* This process obviously requires no composition.
*/
void initial_inten_a_pixels (const guchar *src,
guchar *dest,
const guchar *mask,
guint opacity,
const gboolean *affect,
guint length,
guint bytes);
/* combine indexed images with an optional mask which
* is interpreted as binary...destination is indexed...
*/
void combine_indexed_and_indexed_pixels (const guchar *src1,
const guchar *src2,
guchar *dest,
const guchar *mask,
guint opacity,
const gboolean *affect,
guint length,
guint bytes);
/* combine indexed images with indexed-alpha images
* result is an indexed image
*/
void combine_indexed_and_indexed_a_pixels (const guchar *src1,
const guchar *src2,
guchar *dest,
const guchar *mask,
guint opacity,
const gint *affect,
guint length,
guint bytes);
/* combine indexed-alpha images with indexed-alpha images
* result is an indexed-alpha image. use this for painting
* to an indexed floating sel
*/
void combine_indexed_a_and_indexed_a_pixels(const guchar *src1,
const guchar *src2,
guchar *dest,
const guchar *mask,
guint opacity,
const gboolean *affect,
guint length,
guint bytes);
/* combine intensity with indexed, destination is
* intensity-alpha...use this for an indexed floating sel
*/
void combine_inten_a_and_indexed_a_pixels (const guchar *src1,
const guchar *src2,
guchar *dest,
const guchar *mask,
const guchar *cmap,
guint opacity,
guint length,
guint bytes);
/* combine RGB image with RGB or GRAY with GRAY
* destination is intensity-only...
*/
void combine_inten_and_inten_pixels (const guchar *src1,
const guchar *src2,
guchar *dest,
const guchar *mask,
guint opacity,
const gboolean *affect,
guint length,
guint bytes);
/* combine an RGBA or GRAYA image with an RGB or GRAY image
* destination is intensity-only...
*/
void combine_inten_and_inten_a_pixels (const guchar *src1,
const guchar *src2,
guchar *dest,
const guchar *mask,
guint opacity,
const gboolean *affect,
guint length,
guint bytes);
/* combine an RGB or GRAY image with an RGBA or GRAYA image
* destination is intensity-alpha...
*/
void combine_inten_a_and_inten_pixels (const guchar *src1,
const guchar *src2,
guchar *dest,
const guchar *mask,
guint opacity,
const gboolean *affect,
gboolean mode_affect,
guint length,
guint bytes);
/* combine an RGBA or GRAYA image with an RGBA or GRAYA image
* destination is of course intensity-alpha...
*/
void combine_inten_a_and_inten_a_pixels (const guchar *src1,
const guchar *src2,
guchar *dest,
const guchar *mask,
guint opacity,
const gboolean *affect,
gboolean mode_affect,
guint length,
guint bytes);
/* combine a channel with intensity-alpha pixels based
* on some opacity, and a channel color...
* destination is intensity-alpha
*/
void combine_inten_a_and_channel_mask_pixels(const guchar *src,
const guchar *channel,
guchar *dest,
const guchar *col,
guint opacity,
guint length,
guint bytes);
void combine_inten_a_and_channel_selection_pixels(const guchar *src,
const guchar *channel,
guchar *dest,
const guchar *col,
guint opacity,
guint length,
guint bytes);
/* extract information from intensity pixels based on
* a mask.
*/
void extract_from_inten_pixels (guchar *src,
guchar *dest,
const guchar *mask,
const guchar *bg,
gboolean cut,
guint length,
guint bytes,
gboolean has_alpha);
/* extract information from indexed pixels based on
* a mask.
*/
void extract_from_indexed_pixels (guchar *src,
guchar *dest,
const guchar *mask,
const guchar *cmap,
const guchar *bg,
gboolean cut,
guint length,
guint bytes,
gboolean has_alpha);
/* Region functions */
void color_region (PixelRegion *dest,
const guchar *color);
void color_region_mask (PixelRegion *dest,
PixelRegion *mask,
const guchar *color);
void pattern_region (PixelRegion *dest,
PixelRegion *mask,
TempBuf *pattern,
gint off_x,
gint off_y);
void blend_region (PixelRegion *src1,
PixelRegion *src2,
PixelRegion *dest,
guchar blend);
void shade_region (PixelRegion *src,
PixelRegion *dest,
guchar *color,
guchar blend);
void copy_region (PixelRegion *src,
PixelRegion *dest);
void copy_region_nocow (PixelRegion *src,
PixelRegion *dest);
void add_alpha_region (PixelRegion *src,
PixelRegion *dest);
void flatten_region (PixelRegion *src,
PixelRegion *dest,
guchar *bg);
void extract_alpha_region (PixelRegion *src,
PixelRegion *mask,
PixelRegion *dest);
void extract_from_region (PixelRegion *src,
PixelRegion *dest,
PixelRegion *mask,
guchar *cmap,
guchar *bg,
gint type,
gboolean has_alpha,
gboolean cut);
void convolve_region (PixelRegion *srcR,
PixelRegion *destR,
gfloat *matrix,
gint size,
gdouble divisor,
GimpConvolutionType mode,
gboolean alpha_weighting);
void multiply_alpha_region (PixelRegion *srcR);
void separate_alpha_region (PixelRegion *srcR);
void gaussian_blur_region (PixelRegion *srcR,
gdouble radius_x,
gdouble radius_y);
void border_region (PixelRegion *src,
gint16 xradius,
gint16 yradius);
void scale_region (PixelRegion *srcPR,
PixelRegion *destPR,
GimpInterpolationType interpolation,
GimpProgressFunc progress_callback,
gpointer progress_data);
void subsample_region (PixelRegion *srcPR,
PixelRegion *destPR,
gint subsample);
gfloat shapeburst_region (PixelRegion *srcPR,
PixelRegion *distPR,
GimpProgressFunc progress_callback,
gpointer progress_data);
void thin_region (PixelRegion *src,
gint16 xradius,
gint16 yradius,
gboolean edge_lock);
void fatten_region (PixelRegion *src,
gint16 xradius,
gint16 yradius);
void swap_region (PixelRegion *src,
PixelRegion *dest);
/* Apply a mask to an image's alpha channel */
void apply_mask_to_region (PixelRegion *src,
PixelRegion *mask,
guint opacity);
/* Combine a mask with an image's alpha channel */
void combine_mask_and_region (PixelRegion *src,
PixelRegion *mask,
guint opacity,
gboolean stipple);
/* Copy a gray image to an intensity-alpha region */
void copy_gray_to_region (PixelRegion *src,
PixelRegion *dest);
/* Copy a component (indexed by pixel) to a 1-byte region */
void copy_component (PixelRegion *src,
PixelRegion *dest,
guint pixel);
void initial_region (PixelRegion *src,
PixelRegion *dest,
PixelRegion *mask,
guchar *data,
guint opacity,
GimpLayerModeEffects mode,
const gboolean *affect,
InitialMode type);
void combine_regions (PixelRegion *src1,
PixelRegion *src2,
PixelRegion *dest,
PixelRegion *mask,
guchar *data,
guint opacity,
GimpLayerModeEffects mode,
const gboolean *affect,
CombinationMode type);
void combine_regions_replace (PixelRegion *src1,
PixelRegion *src2,
PixelRegion *dest,
PixelRegion *mask,
guchar *data,
guint opacity,
const gboolean *affect,
CombinationMode type);
#endif /* __PAINT_FUNCS_H__ */
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