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2002-02-08 Federico Mena Quintero <federico@ximian.com> * pixops/pixops.h: Fix comment; PixopsInterpType -> GdkInterpType.
96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
#ifndef PIXOPS_H
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#define PIXOPS_H
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#include <glib.h>
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/* Interpolation modes; must match GdkInterpType */
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typedef enum {
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PIXOPS_INTERP_NEAREST,
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PIXOPS_INTERP_TILES,
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PIXOPS_INTERP_BILINEAR,
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PIXOPS_INTERP_HYPER
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} PixopsInterpType;
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/* Scale src_buf from src_width / src_height by factors scale_x, scale_y
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* and composite the portion corresponding to
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* render_x, render_y, render_width, render_height in the new
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* coordinate system into dest_buf starting at 0, 0
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*/
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void pixops_composite (guchar *dest_buf,
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int render_x0,
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int render_y0,
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int render_x1,
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int render_y1,
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int dest_rowstride,
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int dest_channels,
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int dest_has_alpha,
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const guchar *src_buf,
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int src_width,
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int src_height,
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int src_rowstride,
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int src_channels,
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int src_has_alpha,
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double scale_x,
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double scale_y,
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PixopsInterpType interp_type,
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int overall_alpha);
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/* Scale src_buf from src_width / src_height by factors scale_x, scale_y
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* and composite the portion corresponding to
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* render_x, render_y, render_width, render_height in the new
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* coordinate system against a checkboard with checks of size check_size
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* of the colors color1 and color2 into dest_buf starting at 0, 0
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*/
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void pixops_composite_color (guchar *dest_buf,
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int render_x0,
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int render_y0,
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int render_x1,
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int render_y1,
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int dest_rowstride,
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int dest_channels,
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int dest_has_alpha,
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const guchar *src_buf,
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int src_width,
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int src_height,
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int src_rowstride,
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int src_channels,
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int src_has_alpha,
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double scale_x,
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double scale_y,
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PixopsInterpType interp_type,
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int overall_alpha,
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int check_x,
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int check_y,
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int check_size,
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guint32 color1,
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guint32 color2);
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/* Scale src_buf from src_width / src_height by factors scale_x, scale_y
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* and composite the portion corresponding to
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* render_x, render_y, render_width, render_height in the new
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* coordinate system into dest_buf starting at 0, 0
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*/
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void pixops_scale (guchar *dest_buf,
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int render_x0,
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int render_y0,
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int render_x1,
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int render_y1,
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int dest_rowstride,
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int dest_channels,
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int dest_has_alpha,
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const guchar *src_buf,
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int src_width,
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int src_height,
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int src_rowstride,
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int src_channels,
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int src_has_alpha,
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double scale_x,
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double scale_y,
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PixopsInterpType interp_type);
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#endif
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