-// Image.cc for Openbox
-// Copyright (c) 2001 Sean 'Shaleh' Perry <shaleh@debian.org>
+// -*- mode: C++; indent-tabs-mode: nil; -*-
+// Image.cc for Blackbox - an X11 Window manager
+// Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
// Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
-// stupid macros needed to access some functions in version 2 of the GNU C
-// library
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif // _GNU_SOURCE
-
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif // HAVE_CONFIG_H
-#include "i18n.h"
-#include "BaseDisplay.h"
-#include "Image.h"
-
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif // HAVE_SYS_TYPES_H
-
-#ifndef u_int32_t
-# ifdef uint_32_t
-typedef uint32_t u_int32_t;
-# else
-# ifdef __uint32_t
-typedef __uint32_t u_int32_t;
-# else
-typedef unsigned int u_int32_t;
-# endif
-# endif
-#endif
-
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-# include <string.h>
-#endif // STDC_HEADERS
-
#ifdef HAVE_STDIO_H
# include <stdio.h>
#endif // HAVE_STDIO_H
-#ifdef HAVE_CTYPE_H
-# include <ctype.h>
-#endif // HAVE_CTYPE_H
-
#include <algorithm>
-using namespace std;
+using std::max;
+using std::min;
-static unsigned long bsqrt(unsigned long x) {
- if (x <= 0) return 0;
- if (x == 1) return 1;
+#include "blackbox.hh"
+#include "i18n.hh"
+#include "BaseDisplay.hh"
+#include "GCCache.hh"
+#include "Image.hh"
+#include "Texture.hh"
- unsigned long r = x >> 1;
- unsigned long q;
- while (1) {
- q = x / r;
- if (q >= r) return r;
- r = (r + q) >> 1;
- }
-}
-
-
-BImage::BImage(BImageControl *c, unsigned int w, unsigned int h) {
+BImage::BImage(BImageControl *c, int w, int h) {
control = c;
- width = ((signed) w > 0) ? w : 1;
- height = ((signed) h > 0) ? h : 1;
+ width = (w > 0) ? w : 1;
+ height = (h > 0) ? h : 1;
red = new unsigned char[width * height];
green = new unsigned char[width * height];
BImage::~BImage(void) {
- if (red) delete [] red;
- if (green) delete [] green;
- if (blue) delete [] blue;
+ delete [] red;
+ delete [] green;
+ delete [] blue;
}
-Pixmap BImage::render(BTexture *texture) {
- if (texture->getTexture() & BImage_ParentRelative)
+Pixmap BImage::render(const BTexture &texture) {
+ if (texture.texture() & BTexture::Parent_Relative)
return ParentRelative;
- else if (texture->getTexture() & BImage_Solid)
+ else if (texture.texture() & BTexture::Solid)
return render_solid(texture);
- else if (texture->getTexture() & BImage_Gradient)
+ else if (texture.texture() & BTexture::Gradient)
return render_gradient(texture);
-
return None;
}
-Pixmap BImage::render_solid(BTexture *texture) {
+Pixmap BImage::render_solid(const BTexture &texture) {
Pixmap pixmap = XCreatePixmap(control->getBaseDisplay()->getXDisplay(),
control->getDrawable(), width,
height, control->getDepth());
if (pixmap == None) {
- fprintf(stderr, i18n->getMessage(ImageSet, ImageErrorCreatingSolidPixmap,
- "BImage::render_solid: error creating pixmap\n"));
+ fprintf(stderr, i18n(ImageSet, ImageErrorCreatingSolidPixmap,
+ "BImage::render_solid: error creating pixmap\n"));
return None;
}
- XGCValues gcv;
- GC gc, hgc, lgc;
-
- gcv.foreground = texture->getColor()->getPixel();
- gcv.fill_style = FillSolid;
- gc = XCreateGC(control->getBaseDisplay()->getXDisplay(), pixmap,
- GCForeground | GCFillStyle, &gcv);
+ Display *display = control->getBaseDisplay()->getXDisplay();
- gcv.foreground = texture->getHiColor()->getPixel();
- hgc = XCreateGC(control->getBaseDisplay()->getXDisplay(), pixmap,
- GCForeground, &gcv);
+ BPen pen(texture.color());
+ BPen penlight(texture.lightColor());
+ BPen penshadow(texture.shadowColor());
- gcv.foreground = texture->getLoColor()->getPixel();
- lgc = XCreateGC(control->getBaseDisplay()->getXDisplay(), pixmap,
- GCForeground, &gcv);
+ XFillRectangle(display, pixmap, pen.gc(), 0, 0, width, height);
- XFillRectangle(control->getBaseDisplay()->getXDisplay(), pixmap, gc, 0, 0,
- width, height);
-
-#ifdef INTERLACE
- if (texture->getTexture() & BImage_Interlaced) {
- gcv.foreground = texture->getColorTo()->getPixel();
- GC igc = XCreateGC(control->getBaseDisplay()->getXDisplay(), pixmap,
- GCForeground, &gcv);
+ if (texture.texture() & BTexture::Interlaced) {
+ BPen peninterlace(texture.colorTo());
+ for (unsigned int i = 0; i < height; i += 2)
+ XDrawLine(display, pixmap, peninterlace.gc(), 0, i, width, i);
+ }
- register unsigned int i = 0;
- for (; i < height; i += 2)
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, igc,
- 0, i, width, i);
+ int left = 0, top = 0, right = width - 1, bottom = height - 1;
- XFreeGC(control->getBaseDisplay()->getXDisplay(), igc);
+ if (texture.texture() & BTexture::Border) {
+ BPen penborder(texture.borderColor());
+ XDrawRectangle(display, pixmap, penborder.gc(),
+ left, top, right, bottom);
}
-#endif // INTERLACE
-
-
- if (texture->getTexture() & BImage_Bevel1) {
- if (texture->getTexture() & BImage_Raised) {
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, lgc,
- 0, height - 1, width - 1, height - 1);
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, lgc,
- width - 1, height - 1, width - 1, 0);
-
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, hgc,
- 0, 0, width - 1, 0);
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, hgc,
- 0, height - 1, 0, 0);
- } else if (texture->getTexture() & BImage_Sunken) {
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, hgc,
- 0, height - 1, width - 1, height - 1);
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, hgc,
- width - 1, height - 1, width - 1, 0);
-
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, lgc,
- 0, 0, width - 1, 0);
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, lgc,
- 0, height - 1, 0, 0);
+
+ if (texture.texture() & BTexture::Bevel1) {
+ if (texture.texture() & BTexture::Raised) {
+ XDrawLine(display, pixmap, penshadow.gc(),
+ left, bottom, right, bottom);
+ XDrawLine(display, pixmap, penshadow.gc(),
+ right, bottom, right, top);
+
+ XDrawLine(display, pixmap, penlight.gc(),
+ left, top, right, top);
+ XDrawLine(display, pixmap, penlight.gc(),
+ left, bottom, left, top);
+ } else if (texture.texture() & BTexture::Sunken) {
+ XDrawLine(display, pixmap, penlight.gc(),
+ left, bottom, right, bottom);
+ XDrawLine(display, pixmap, penlight.gc(),
+ right, bottom, right, top);
+
+ XDrawLine(display, pixmap, penshadow.gc(),
+ left, top, right, top);
+ XDrawLine(display, pixmap, penshadow.gc(),
+ left, bottom, left, top);
}
- } else if (texture->getTexture() & BImage_Bevel2) {
- if (texture->getTexture() & BImage_Raised) {
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, lgc,
- 1, height - 3, width - 3, height - 3);
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, lgc,
- width - 3, height - 3, width - 3, 1);
-
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, hgc,
- 1, 1, width - 3, 1);
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, hgc,
- 1, height - 3, 1, 1);
- } else if (texture->getTexture() & BImage_Sunken) {
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, hgc,
- 1, height - 3, width - 3, height - 3);
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, hgc,
- width - 3, height - 3, width - 3, 1);
-
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, lgc,
- 1, 1, width - 3, 1);
- XDrawLine(control->getBaseDisplay()->getXDisplay(), pixmap, lgc,
- 1, height - 3, 1, 1);
+ } else if (texture.texture() & BTexture::Bevel2) {
+ if (texture.texture() & BTexture::Raised) {
+ XDrawLine(display, pixmap, penshadow.gc(),
+ left + 1, bottom - 2, right - 2, bottom - 2);
+ XDrawLine(display, pixmap, penshadow.gc(),
+ right - 2, bottom - 2, right - 2, top + 1);
+
+ XDrawLine(display, pixmap, penlight.gc(),
+ left + 1, top + 1, right - 2, top + 1);
+ XDrawLine(display, pixmap, penlight.gc(),
+ left + 1, bottom - 2, left + 1, top + 1);
+ } else if (texture.texture() & BTexture::Sunken) {
+ XDrawLine(display, pixmap, penlight.gc(),
+ left + 1, bottom - 2, right - 2, bottom - 2);
+ XDrawLine(display, pixmap, penlight.gc(),
+ right - 2, bottom - 2, right - 2, top + 1);
+
+ XDrawLine(display, pixmap, penshadow.gc(),
+ left + 1, top + 1, right - 2, top + 1);
+ XDrawLine(display, pixmap, penshadow.gc(),
+ left + 1, bottom - 2, left + 1, top + 1);
}
}
- XFreeGC(control->getBaseDisplay()->getXDisplay(), gc);
- XFreeGC(control->getBaseDisplay()->getXDisplay(), hgc);
- XFreeGC(control->getBaseDisplay()->getXDisplay(), lgc);
-
return pixmap;
}
-Pixmap BImage::render_gradient(BTexture *texture) {
- int inverted = 0;
+Pixmap BImage::render_gradient(const BTexture &texture) {
+ bool inverted = False;
-#ifdef INTERLACE
- interlaced = texture->getTexture() & BImage_Interlaced;
-#endif // INTERLACE
+ interlaced = texture.texture() & BTexture::Interlaced;
- if (texture->getTexture() & BImage_Sunken) {
- from = texture->getColorTo();
- to = texture->getColor();
+ if (texture.texture() & BTexture::Sunken) {
+ from = texture.colorTo();
+ to = texture.color();
- if (! (texture->getTexture() & BImage_Invert)) inverted = 1;
+ if (! (texture.texture() & BTexture::Invert)) inverted = True;
} else {
- from = texture->getColor();
- to = texture->getColorTo();
+ from = texture.color();
+ to = texture.colorTo();
- if (texture->getTexture() & BImage_Invert) inverted = 1;
+ if (texture.texture() & BTexture::Invert) inverted = True;
}
control->getGradientBuffers(width, height, &xtable, &ytable);
- if (texture->getTexture() & BImage_Diagonal) dgradient();
- else if (texture->getTexture() & BImage_Elliptic) egradient();
- else if (texture->getTexture() & BImage_Horizontal) hgradient();
- else if (texture->getTexture() & BImage_Pyramid) pgradient();
- else if (texture->getTexture() & BImage_Rectangle) rgradient();
- else if (texture->getTexture() & BImage_Vertical) vgradient();
- else if (texture->getTexture() & BImage_CrossDiagonal) cdgradient();
- else if (texture->getTexture() & BImage_PipeCross) pcgradient();
+ if (texture.texture() & BTexture::Diagonal) dgradient();
+ else if (texture.texture() & BTexture::Elliptic) egradient();
+ else if (texture.texture() & BTexture::Horizontal) hgradient();
+ else if (texture.texture() & BTexture::Pyramid) pgradient();
+ else if (texture.texture() & BTexture::Rectangle) rgradient();
+ else if (texture.texture() & BTexture::Vertical) vgradient();
+ else if (texture.texture() & BTexture::CrossDiagonal) cdgradient();
+ else if (texture.texture() & BTexture::PipeCross) pcgradient();
+
+ if (texture.texture() & BTexture::Bevel1) bevel1();
+ else if (texture.texture() & BTexture::Bevel2) bevel2();
- if (texture->getTexture() & BImage_Bevel1) bevel1();
- else if (texture->getTexture() & BImage_Bevel2) bevel2();
+ if (texture.texture() & BTexture::Border) border(texture);
if (inverted) invert();
- Pixmap pixmap = renderPixmap();
-
- return pixmap;
+ return renderPixmap();
}
-XImage *BImage::renderXImage(void) {
- XImage *image =
- XCreateImage(control->getBaseDisplay()->getXDisplay(),
- control->getVisual(), control->getDepth(), ZPixmap, 0, 0,
- width, height, 32, 0);
+static const unsigned char dither4[4][4] = {
+ {0, 4, 1, 5},
+ {6, 2, 7, 3},
+ {1, 5, 0, 4},
+ {7, 3, 6, 2}
+};
+
+
+/*
+ * Helper function for TrueColorDither and renderXImage
+ *
+ * This handles the proper setting of the image data based on the image depth
+ * and the machine's byte ordering
+ */
+static inline
+void assignPixelData(unsigned int bit_depth, unsigned char **data,
+ unsigned long pixel) {
+ unsigned char *pixel_data = *data;
+ switch (bit_depth) {
+ case 8: // 8bpp
+ *pixel_data++ = pixel;
+ break;
- if (! image) {
- fprintf(stderr, i18n->getMessage(ImageSet, ImageErrorCreatingXImage,
- "BImage::renderXImage: error creating XImage\n"));
- return (XImage *) 0;
- }
+ case 16: // 16bpp LSB
+ *pixel_data++ = pixel;
+ *pixel_data++ = pixel >> 8;
+ break;
- // insurance policy
- image->data = (char *) 0;
+ case 17: // 16bpp MSB
+ *pixel_data++ = pixel >> 8;
+ *pixel_data++ = pixel;
+ break;
- unsigned char *d = new unsigned char[image->bytes_per_line * (height + 1)];
- register unsigned int x, y, dithx, dithy, r, g, b, o, er, eg, eb, offset;
+ case 24: // 24bpp LSB
+ *pixel_data++ = pixel;
+ *pixel_data++ = pixel >> 8;
+ *pixel_data++ = pixel >> 16;
+ break;
- unsigned char *pixel_data = d, *ppixel_data = d;
- unsigned long pixel;
+ case 25: // 24bpp MSB
+ *pixel_data++ = pixel >> 16;
+ *pixel_data++ = pixel >> 8;
+ *pixel_data++ = pixel;
+ break;
- o = image->bits_per_pixel + ((image->byte_order == MSBFirst) ? 1 : 0);
+ case 32: // 32bpp LSB
+ *pixel_data++ = pixel;
+ *pixel_data++ = pixel >> 8;
+ *pixel_data++ = pixel >> 16;
+ *pixel_data++ = pixel >> 24;
+ break;
- if (control->doDither() && width > 1 && height > 1) {
- unsigned char dither4[4][4] = { {0, 4, 1, 5},
- {6, 2, 7, 3},
- {1, 5, 0, 4},
- {7, 3, 6, 2} };
-
-#ifdef ORDEREDPSEUDO
- unsigned char dither8[8][8] = { { 0, 32, 8, 40, 2, 34, 10, 42 },
- { 48, 16, 56, 24, 50, 18, 58, 26 },
- { 12, 44, 4, 36, 14, 46, 6, 38 },
- { 60, 28, 52, 20, 62, 30, 54, 22 },
- { 3, 35, 11, 43, 1, 33, 9, 41 },
- { 51, 19, 59, 27, 49, 17, 57, 25 },
- { 15, 47, 7, 39, 13, 45, 5, 37 },
- { 63, 31, 55, 23, 61, 29, 53, 21 } };
-#endif // ORDEREDPSEUDO
+ case 33: // 32bpp MSB
+ *pixel_data++ = pixel >> 24;
+ *pixel_data++ = pixel >> 16;
+ *pixel_data++ = pixel >> 8;
+ *pixel_data++ = pixel;
+ break;
+ }
+ *data = pixel_data; // assign back so we don't lose our place
+}
- switch (control->getVisual()->c_class) {
- case TrueColor:
- // algorithm: ordered dithering... many many thanks to rasterman
- // (raster@rasterman.com) for telling me about this... portions of this
- // code is based off of his code in Imlib
- for (y = 0, offset = 0; y < height; y++) {
- dithy = y & 0x3;
- for (x = 0; x < width; x++, offset++) {
- dithx = x & 0x3;
- r = red[offset];
- g = green[offset];
- b = blue[offset];
+// algorithm: ordered dithering... many many thanks to rasterman
+// (raster@rasterman.com) for telling me about this... portions of this
+// code is based off of his code in Imlib
+void BImage::TrueColorDither(unsigned int bit_depth, int bytes_per_line,
+ unsigned char *pixel_data) {
+ unsigned int x, y, dithx, dithy, r, g, b, er, eg, eb, offset;
+ unsigned char *ppixel_data = pixel_data;
+ unsigned long pixel;
- er = r & (red_bits - 1);
- eg = g & (green_bits - 1);
- eb = b & (blue_bits - 1);
+ for (y = 0, offset = 0; y < height; y++) {
+ dithy = y & 0x3;
- r = red_table[r];
- g = green_table[g];
- b = blue_table[b];
+ for (x = 0; x < width; x++, offset++) {
+ dithx = x & 0x3;
+ r = red[offset];
+ g = green[offset];
+ b = blue[offset];
- if ((dither4[dithy][dithx] < er) && (r < red_table[255])) r++;
- if ((dither4[dithy][dithx] < eg) && (g < green_table[255])) g++;
- if ((dither4[dithy][dithx] < eb) && (b < blue_table[255])) b++;
+ er = r & (red_bits - 1);
+ eg = g & (green_bits - 1);
+ eb = b & (blue_bits - 1);
- pixel = (r << red_offset) | (g << green_offset) | (b << blue_offset);
+ r = red_table[r];
+ g = green_table[g];
+ b = blue_table[b];
- switch (o) {
- case 8: // 8bpp
- *pixel_data++ = pixel;
- break;
-
- case 16: // 16bpp LSB
- *pixel_data++ = pixel;
- *pixel_data++ = pixel >> 8;
- break;
-
- case 17: // 16bpp MSB
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel;
- break;
-
- case 24: // 24bpp LSB
- *pixel_data++ = pixel;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel >> 16;
- break;
-
- case 25: // 24bpp MSB
- *pixel_data++ = pixel >> 16;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel;
- break;
-
- case 32: // 32bpp LSB
- *pixel_data++ = pixel;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel >> 16;
- *pixel_data++ = pixel >> 24;
- break;
-
- case 33: // 32bpp MSB
- *pixel_data++ = pixel >> 24;
- *pixel_data++ = pixel >> 16;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel;
- break;
- }
- }
+ if ((dither4[dithy][dithx] < er) && (r < red_table[255])) r++;
+ if ((dither4[dithy][dithx] < eg) && (g < green_table[255])) g++;
+ if ((dither4[dithy][dithx] < eb) && (b < blue_table[255])) b++;
- pixel_data = (ppixel_data += image->bytes_per_line);
- }
+ pixel = (r << red_offset) | (g << green_offset) | (b << blue_offset);
+ assignPixelData(bit_depth, &pixel_data, pixel);
+ }
- break;
+ pixel_data = (ppixel_data += bytes_per_line);
+ }
+}
- case StaticColor:
- case PseudoColor: {
-#ifndef ORDEREDPSEUDO
- short *terr,
- *rerr = new short[width + 2],
- *gerr = new short[width + 2],
- *berr = new short[width + 2],
- *nrerr = new short[width + 2],
- *ngerr = new short[width + 2],
- *nberr = new short[width + 2];
- int rr, gg, bb, rer, ger, ber;
- int dd = 255 / control->getColorsPerChannel();
-
- for (x = 0; x < width; x++) {
- *(rerr + x) = *(red + x);
- *(gerr + x) = *(green + x);
- *(berr + x) = *(blue + x);
- }
+#ifdef ORDEREDPSEUDO
+const static unsigned char dither8[8][8] = {
+ { 0, 32, 8, 40, 2, 34, 10, 42},
+ { 48, 16, 56, 24, 50, 18, 58, 26},
+ { 12, 44, 4, 36, 14, 46, 6, 38},
+ { 60, 28, 52, 20, 62, 30, 54, 22},
+ { 3, 35, 11, 43, 1, 33, 9, 41},
+ { 51, 19, 59, 27, 49, 17, 57, 25},
+ { 15, 47, 7, 39, 13, 45, 5, 37},
+ { 63, 31, 55, 23, 61, 29, 53, 21}
+};
+
+void BImage::OrderedPseudoColorDither(int bytes_per_line,
+ unsigned char *pixel_data) {
+ unsigned int x, y, dithx, dithy, r, g, b, er, eg, eb, offset;
+ unsigned long pixel;
+ unsigned char *ppixel_data = pixel_data;
- *(rerr + x) = *(gerr + x) = *(berr + x) = 0;
-#endif // ORDEREDPSEUDO
+ for (y = 0, offset = 0; y < height; y++) {
+ dithy = y & 7;
- for (y = 0, offset = 0; y < height; y++) {
-#ifdef ORDEREDPSEUDO
- dithy = y & 7;
+ for (x = 0; x < width; x++, offset++) {
+ dithx = x & 7;
- for (x = 0; x < width; x++, offset++) {
- dithx = x & 7;
+ r = red[offset];
+ g = green[offset];
+ b = blue[offset];
- r = red[offset];
- g = green[offset];
- b = blue[offset];
+ er = r & (red_bits - 1);
+ eg = g & (green_bits - 1);
+ eb = b & (blue_bits - 1);
- er = r & (red_bits - 1);
- eg = g & (green_bits - 1);
- eb = b & (blue_bits - 1);
+ r = red_table[r];
+ g = green_table[g];
+ b = blue_table[b];
- r = red_table[r];
- g = green_table[g];
- b = blue_table[b];
+ if ((dither8[dithy][dithx] < er) && (r < red_table[255])) r++;
+ if ((dither8[dithy][dithx] < eg) && (g < green_table[255])) g++;
+ if ((dither8[dithy][dithx] < eb) && (b < blue_table[255])) b++;
- if ((dither8[dithy][dithx] < er) && (r < red_table[255])) r++;
- if ((dither8[dithy][dithx] < eg) && (g < green_table[255])) g++;
- if ((dither8[dithy][dithx] < eb) && (b < blue_table[255])) b++;
+ pixel = (r * cpccpc) + (g * cpc) + b;
+ *(pixel_data++) = colors[pixel].pixel;
+ }
- pixel = (r * cpccpc) + (g * cpc) + b;
- *(pixel_data++) = colors[pixel].pixel;
- }
+ pixel_data = (ppixel_data += bytes_per_line);
+ }
+}
+#endif
- pixel_data = (ppixel_data += image->bytes_per_line);
- }
-#else // !ORDEREDPSEUDO
- if (y < (height - 1)) {
- int i = offset + width;
- for (x = 0; x < width; x++, i++) {
- *(nrerr + x) = *(red + i);
- *(ngerr + x) = *(green + i);
- *(nberr + x) = *(blue + i);
- }
+void BImage::PseudoColorDither(int bytes_per_line, unsigned char *pixel_data) {
+ short *terr,
+ *rerr = new short[width + 2],
+ *gerr = new short[width + 2],
+ *berr = new short[width + 2],
+ *nrerr = new short[width + 2],
+ *ngerr = new short[width + 2],
+ *nberr = new short[width + 2];
+
+ int rr, gg, bb, rer, ger, ber;
+ int dd = 255 / control->getColorsPerChannel();
+ unsigned int x, y, r, g, b, offset;
+ unsigned long pixel;
+ unsigned char *ppixel_data = pixel_data;
+
+ for (x = 0; x < width; x++) {
+ *(rerr + x) = *(red + x);
+ *(gerr + x) = *(green + x);
+ *(berr + x) = *(blue + x);
+ }
- *(nrerr + x) = *(red + (--i));
+ *(rerr + x) = *(gerr + x) = *(berr + x) = 0;
+
+ for (y = 0, offset = 0; y < height; y++) {
+ if (y < (height - 1)) {
+ int i = offset + width;
+ for (x = 0; x < width; x++, i++) {
+ *(nrerr + x) = *(red + i);
*(ngerr + x) = *(green + i);
*(nberr + x) = *(blue + i);
}
- for (x = 0; x < width; x++) {
- rr = rerr[x];
- gg = gerr[x];
- bb = berr[x];
-
- if (rr > 255) rr = 255; else if (rr < 0) rr = 0;
- if (gg > 255) gg = 255; else if (gg < 0) gg = 0;
- if (bb > 255) bb = 255; else if (bb < 0) bb = 0;
-
- r = red_table[rr];
- g = green_table[gg];
- b = blue_table[bb];
-
- rer = rerr[x] - r*dd;
- ger = gerr[x] - g*dd;
- ber = berr[x] - b*dd;
-
- pixel = (r * cpccpc) + (g * cpc) + b;
- *pixel_data++ = colors[pixel].pixel;
-
- r = rer >> 1;
- g = ger >> 1;
- b = ber >> 1;
- rerr[x+1] += r;
- gerr[x+1] += g;
- berr[x+1] += b;
- nrerr[x] += r;
- ngerr[x] += g;
- nberr[x] += b;
- }
+ *(nrerr + x) = *(red + (--i));
+ *(ngerr + x) = *(green + i);
+ *(nberr + x) = *(blue + i);
+ }
- offset += width;
+ for (x = 0; x < width; x++) {
+ rr = rerr[x];
+ gg = gerr[x];
+ bb = berr[x];
+
+ if (rr > 255) rr = 255; else if (rr < 0) rr = 0;
+ if (gg > 255) gg = 255; else if (gg < 0) gg = 0;
+ if (bb > 255) bb = 255; else if (bb < 0) bb = 0;
+
+ r = red_table[rr];
+ g = green_table[gg];
+ b = blue_table[bb];
+
+ rer = rerr[x] - r*dd;
+ ger = gerr[x] - g*dd;
+ ber = berr[x] - b*dd;
+
+ pixel = (r * cpccpc) + (g * cpc) + b;
+ *pixel_data++ = colors[pixel].pixel;
+
+ r = rer >> 1;
+ g = ger >> 1;
+ b = ber >> 1;
+ rerr[x+1] += r;
+ gerr[x+1] += g;
+ berr[x+1] += b;
+ nrerr[x] += r;
+ ngerr[x] += g;
+ nberr[x] += b;
+ }
- pixel_data = (ppixel_data += image->bytes_per_line);
+ offset += width;
- terr = rerr;
- rerr = nrerr;
- nrerr = terr;
+ pixel_data = (ppixel_data += bytes_per_line);
- terr = gerr;
- gerr = ngerr;
- ngerr = terr;
+ terr = rerr;
+ rerr = nrerr;
+ nrerr = terr;
- terr = berr;
- berr = nberr;
- nberr = terr;
- }
+ terr = gerr;
+ gerr = ngerr;
+ ngerr = terr;
+
+ terr = berr;
+ berr = nberr;
+ nberr = terr;
+ }
+
+ delete [] rerr;
+ delete [] gerr;
+ delete [] berr;
+ delete [] nrerr;
+ delete [] ngerr;
+ delete [] nberr;
+}
+
+XImage *BImage::renderXImage(void) {
+ XImage *image =
+ XCreateImage(control->getBaseDisplay()->getXDisplay(),
+ control->getVisual(), control->getDepth(), ZPixmap, 0, 0,
+ width, height, 32, 0);
+
+ if (! image) {
+ fprintf(stderr, i18n(ImageSet, ImageErrorCreatingXImage,
+ "BImage::renderXImage: error creating XImage\n"));
+ return (XImage *) 0;
+ }
+
+ // insurance policy
+ image->data = (char *) 0;
+
+ unsigned char *d = new unsigned char[image->bytes_per_line * (height + 1)];
+
+ unsigned int o = image->bits_per_pixel +
+ ((image->byte_order == MSBFirst) ? 1 : 0);
- delete [] rerr;
- delete [] gerr;
- delete [] berr;
- delete [] nrerr;
- delete [] ngerr;
- delete [] nberr;
-#endif // ORDEREDPSUEDO
+ bool unsupported = False;
- break; }
+ if (control->doDither() && width > 1 && height > 1) {
+ switch (control->getVisual()->c_class) {
+ case TrueColor:
+ TrueColorDither(o, image->bytes_per_line, d);
+ break;
+
+ case StaticColor:
+ case PseudoColor: {
+#ifdef ORDEREDPSEUDO
+ OrderedPseudoColorDither(image->bytes_per_line, d);
+#else
+ PseudoColorDither(image->bytes_per_line, d);
+#endif
+ break;
+ }
default:
- fprintf(stderr, i18n->getMessage(ImageSet, ImageUnsupVisual,
- "BImage::renderXImage: unsupported visual\n"));
- delete [] d;
- XDestroyImage(image);
- return (XImage *) 0;
+ unsupported = True;
}
} else {
+ unsigned int x, y, r, g, b, offset;
+ unsigned char *pixel_data = d, *ppixel_data = d;
+ unsigned long pixel;
+
switch (control->getVisual()->c_class) {
case StaticColor:
case PseudoColor:
- for (y = 0, offset = 0; y < height; y++) {
- for (x = 0; x < width; x++, offset++) {
+ for (y = 0, offset = 0; y < height; ++y) {
+ for (x = 0; x < width; ++x, ++offset) {
r = red_table[red[offset]];
g = green_table[green[offset]];
b = blue_table[blue[offset]];
break;
- case TrueColor:
- for (y = 0, offset = 0; y < height; y++) {
- for (x = 0; x < width; x++, offset++) {
- r = red_table[red[offset]];
- g = green_table[green[offset]];
- b = blue_table[blue[offset]];
-
- pixel = (r << red_offset) | (g << green_offset) | (b << blue_offset);
-
- switch (o) {
- case 8: // 8bpp
- *pixel_data++ = pixel;
- break;
-
- case 16: // 16bpp LSB
- *pixel_data++ = pixel;
- *pixel_data++ = pixel >> 8;
- break;
-
- case 17: // 16bpp MSB
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel;
- break;
-
- case 24: // 24bpp LSB
- *pixel_data++ = pixel;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel >> 16;
- break;
-
- case 25: // 24bpp MSB
- *pixel_data++ = pixel >> 16;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel;
- break;
-
- case 32: // 32bpp LSB
- *pixel_data++ = pixel;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel >> 16;
- *pixel_data++ = pixel >> 24;
- break;
-
- case 33: // 32bpp MSB
- *pixel_data++ = pixel >> 24;
- *pixel_data++ = pixel >> 16;
- *pixel_data++ = pixel >> 8;
- *pixel_data++ = pixel;
- break;
+ case TrueColor:
+ for (y = 0, offset = 0; y < height; y++) {
+ for (x = 0; x < width; x++, offset++) {
+ r = red_table[red[offset]];
+ g = green_table[green[offset]];
+ b = blue_table[blue[offset]];
+
+ pixel = (r << red_offset) | (g << green_offset) | (b << blue_offset);
+ assignPixelData(o, &pixel_data, pixel);
}
+
+ pixel_data = (ppixel_data += image->bytes_per_line);
}
- pixel_data = (ppixel_data += image->bytes_per_line);
- }
+ break;
- break;
+ case StaticGray:
+ case GrayScale:
+ for (y = 0, offset = 0; y < height; y++) {
+ for (x = 0; x < width; x++, offset++) {
+ r = *(red_table + *(red + offset));
+ g = *(green_table + *(green + offset));
+ b = *(blue_table + *(blue + offset));
- case StaticGray:
- case GrayScale:
- for (y = 0, offset = 0; y < height; y++) {
- for (x = 0; x < width; x++, offset++) {
- r = *(red_table + *(red + offset));
- g = *(green_table + *(green + offset));
- b = *(blue_table + *(blue + offset));
+ g = ((r * 30) + (g * 59) + (b * 11)) / 100;
+ *pixel_data++ = colors[g].pixel;
+ }
- g = ((r * 30) + (g * 59) + (b * 11)) / 100;
- *pixel_data++ = colors[g].pixel;
+ pixel_data = (ppixel_data += image->bytes_per_line);
}
- pixel_data = (ppixel_data += image->bytes_per_line);
- }
+ break;
- break;
+ default:
+ unsupported = True;
+ }
+ }
- default:
- fprintf(stderr, i18n->getMessage(ImageSet, ImageUnsupVisual,
- "BImage::renderXImage: unsupported visual\n"));
+ if (unsupported) {
+ fprintf(stderr, i18n(ImageSet, ImageUnsupVisual,
+ "BImage::renderXImage: unsupported visual\n"));
delete [] d;
XDestroyImage(image);
return (XImage *) 0;
}
-}
image->data = (char *) d;
+
return image;
}
control->getDrawable(), width, height, control->getDepth());
if (pixmap == None) {
- fprintf(stderr, i18n->getMessage(ImageSet, ImageErrorCreatingPixmap,
- "BImage::renderPixmap: error creating pixmap\n"));
+ fprintf(stderr, i18n(ImageSet, ImageErrorCreatingPixmap,
+ "BImage::renderPixmap: error creating pixmap\n"));
return None;
}
if (! image) {
XFreePixmap(control->getBaseDisplay()->getXDisplay(), pixmap);
return None;
- } else if (! image->data) {
+ }
+
+ if (! image->data) {
XDestroyImage(image);
XFreePixmap(control->getBaseDisplay()->getXDisplay(), pixmap);
return None;
}
+void BImage::border(const BTexture &texture) {
+ if (width < 2 || height < 2) return;
+
+ register unsigned int i;
+ int r = texture.borderColor().red(),
+ g = texture.borderColor().green(),
+ b = texture.borderColor().blue();
+
+ unsigned char *pr, *pg, *pb;
+
+ // top line
+ pr = red;
+ pg = green;
+ pb = blue;
+ for (i = 0; i < width; ++i) {
+ *pr++ = r;
+ *pg++ = g;
+ *pb++ = b;
+ }
+
+ if (height > 2) {
+ // left and right lines (pr,pg,pb are already lined up)
+ for (i = 1; i < height - 1; ++i) {
+ *pr = r;
+ *pg = g;
+ *pb = b;
+ pr += width - 1;
+ pg += width - 1;
+ pb += width - 1;
+ *pr++ = r;
+ *pg++ = g;
+ *pb++ = b;
+ }
+ }
+
+ // bottom line (pr,pg,pb are already lined up)
+ for (i = 0; i < width; ++i) {
+ *pr++ = r;
+ *pg++ = g;
+ *pb++ = b;
+ }
+}
+
+
void BImage::invert(void) {
register unsigned int i, j, wh = (width * height) - 1;
unsigned char tmp;
// modified for interlacing by Brad Hughes
float drx, dgx, dbx, dry, dgy, dby, yr = 0.0, yg = 0.0, yb = 0.0,
- xr = (float) from->getRed(),
- xg = (float) from->getGreen(),
- xb = (float) from->getBlue();
+ xr = (float) from.red(),
+ xg = (float) from.green(),
+ xb = (float) from.blue();
unsigned char *pr = red, *pg = green, *pb = blue;
unsigned int w = width * 2, h = height * 2, *xt = xtable, *yt = ytable;
register unsigned int x, y;
- dry = drx = (float) (to->getRed() - from->getRed());
- dgy = dgx = (float) (to->getGreen() - from->getGreen());
- dby = dbx = (float) (to->getBlue() - from->getBlue());
+ dry = drx = (float) (to.red() - from.red());
+ dgy = dgx = (float) (to.green() - from.green());
+ dby = dbx = (float) (to.blue() - from.blue());
// Create X table
drx /= w;
// Combine tables to create gradient
-#ifdef INTERLACE
if (! interlaced) {
-#endif // INTERLACE
-
// normal dgradient
for (yt = ytable, y = 0; y < height; y++, yt += 3) {
for (xt = xtable, x = 0; x < width; x++) {
*(pb++) = *(xt++) + *(yt + 2);
}
}
-
-#ifdef INTERLACE
} else {
// faked interlacing effect
unsigned char channel, channel2;
}
}
}
-#endif // INTERLACE
-
}
void BImage::hgradient(void) {
float drx, dgx, dbx,
- xr = (float) from->getRed(),
- xg = (float) from->getGreen(),
- xb = (float) from->getBlue();
+ xr = (float) from.red(),
+ xg = (float) from.green(),
+ xb = (float) from.blue();
unsigned char *pr = red, *pg = green, *pb = blue;
register unsigned int x, y;
- drx = (float) (to->getRed() - from->getRed());
- dgx = (float) (to->getGreen() - from->getGreen());
- dbx = (float) (to->getBlue() - from->getBlue());
+ drx = (float) (to.red() - from.red());
+ dgx = (float) (to.green() - from.green());
+ dbx = (float) (to.blue() - from.blue());
drx /= width;
dgx /= width;
dbx /= width;
-#ifdef INTERLACE
if (interlaced && height > 2) {
// faked interlacing effect
unsigned char channel, channel2;
memcpy(pb, (blue + offset), width);
}
} else {
-#endif // INTERLACE
-
// normal hgradient
for (x = 0; x < width; x++) {
*(pr++) = (unsigned char) (xr);
memcpy(pg, green, width);
memcpy(pb, blue, width);
}
-
-#ifdef INTERLACE
}
-#endif // INTERLACE
-
}
void BImage::vgradient(void) {
float dry, dgy, dby,
- yr = (float) from->getRed(),
- yg = (float) from->getGreen(),
- yb = (float) from->getBlue();
+ yr = (float) from.red(),
+ yg = (float) from.green(),
+ yb = (float) from.blue();
unsigned char *pr = red, *pg = green, *pb = blue;
register unsigned int y;
- dry = (float) (to->getRed() - from->getRed());
- dgy = (float) (to->getGreen() - from->getGreen());
- dby = (float) (to->getBlue() - from->getBlue());
+ dry = (float) (to.red() - from.red());
+ dgy = (float) (to.green() - from.green());
+ dby = (float) (to.blue() - from.blue());
dry /= height;
dgy /= height;
dby /= height;
-#ifdef INTERLACE
if (interlaced) {
// faked interlacing effect
unsigned char channel, channel2;
yb += dby;
}
} else {
-#endif // INTERLACE
-
// normal vgradient
for (y = 0; y < height; y++, pr += width, pg += width, pb += width) {
memset(pr, (unsigned char) yr, width);
yg += dgy;
yb += dby;
}
-
-#ifdef INTERLACE
}
-#endif // INTERLACE
-
}
void BImage::pgradient(void) {
// pyramid gradient - based on original dgradient, written by
// Mosfet (mosfet@kde.org)
- // adapted from kde sources for Openbox by Brad Hughes
+ // adapted from kde sources for Blackbox by Brad Hughes
float yr, yg, yb, drx, dgx, dbx, dry, dgy, dby,
xr, xg, xb;
int rsign, gsign, bsign;
unsigned char *pr = red, *pg = green, *pb = blue;
- unsigned int tr = to->getRed(), tg = to->getGreen(), tb = to->getBlue(),
+ unsigned int tr = to.red(), tg = to.green(), tb = to.blue(),
*xt = xtable, *yt = ytable;
register unsigned int x, y;
- dry = drx = (float) (to->getRed() - from->getRed());
- dgy = dgx = (float) (to->getGreen() - from->getGreen());
- dby = dbx = (float) (to->getBlue() - from->getBlue());
+ dry = drx = (float) (to.red() - from.red());
+ dgy = dgx = (float) (to.green() - from.green());
+ dby = dbx = (float) (to.blue() - from.blue());
rsign = (drx < 0) ? -1 : 1;
gsign = (dgx < 0) ? -1 : 1;
// Combine tables to create gradient
-#ifdef INTERLACE
if (! interlaced) {
-#endif // INTERLACE
-
// normal pgradient
for (yt = ytable, y = 0; y < height; y++, yt += 3) {
for (xt = xtable, x = 0; x < width; x++) {
*(pb++) = (unsigned char) (tb - (bsign * (*(xt++) + *(yt + 2))));
}
}
-
-#ifdef INTERLACE
} else {
// faked interlacing effect
unsigned char channel, channel2;
}
}
}
-#endif // INTERLACE
}
void BImage::rgradient(void) {
// rectangle gradient - based on original dgradient, written by
// Mosfet (mosfet@kde.org)
- // adapted from kde sources for Openbox by Brad Hughes
+ // adapted from kde sources for Blackbox by Brad Hughes
float drx, dgx, dbx, dry, dgy, dby, xr, xg, xb, yr, yg, yb;
int rsign, gsign, bsign;
unsigned char *pr = red, *pg = green, *pb = blue;
- unsigned int tr = to->getRed(), tg = to->getGreen(), tb = to->getBlue(),
+ unsigned int tr = to.red(), tg = to.green(), tb = to.blue(),
*xt = xtable, *yt = ytable;
register unsigned int x, y;
- dry = drx = (float) (to->getRed() - from->getRed());
- dgy = dgx = (float) (to->getGreen() - from->getGreen());
- dby = dbx = (float) (to->getBlue() - from->getBlue());
+ dry = drx = (float) (to.red() - from.red());
+ dgy = dgx = (float) (to.green() - from.green());
+ dby = dbx = (float) (to.blue() - from.blue());
rsign = (drx < 0) ? -2 : 2;
gsign = (dgx < 0) ? -2 : 2;
// Combine tables to create gradient
-#ifdef INTERLACE
if (! interlaced) {
-#endif // INTERLACE
-
// normal rgradient
for (yt = ytable, y = 0; y < height; y++, yt += 3) {
for (xt = xtable, x = 0; x < width; x++) {
*(pb++) = (unsigned char) (tb - (bsign * max(*(xt++), *(yt + 2))));
}
}
-
-#ifdef INTERLACE
} else {
// faked interlacing effect
unsigned char channel, channel2;
}
}
}
-#endif // INTERLACE
}
void BImage::egradient(void) {
// elliptic gradient - based on original dgradient, written by
// Mosfet (mosfet@kde.org)
- // adapted from kde sources for Openbox by Brad Hughes
+ // adapted from kde sources for Blackbox by Brad Hughes
float drx, dgx, dbx, dry, dgy, dby, yr, yg, yb, xr, xg, xb;
int rsign, gsign, bsign;
unsigned char *pr = red, *pg = green, *pb = blue;
unsigned int *xt = xtable, *yt = ytable,
- tr = (unsigned long) to->getRed(),
- tg = (unsigned long) to->getGreen(),
- tb = (unsigned long) to->getBlue();
+ tr = (unsigned long) to.red(),
+ tg = (unsigned long) to.green(),
+ tb = (unsigned long) to.blue();
register unsigned int x, y;
- dry = drx = (float) (to->getRed() - from->getRed());
- dgy = dgx = (float) (to->getGreen() - from->getGreen());
- dby = dbx = (float) (to->getBlue() - from->getBlue());
+ dry = drx = (float) (to.red() - from.red());
+ dgy = dgx = (float) (to.green() - from.green());
+ dby = dbx = (float) (to.blue() - from.blue());
rsign = (drx < 0) ? -1 : 1;
gsign = (dgx < 0) ? -1 : 1;
// Combine tables to create gradient
-#ifdef INTERLACE
if (! interlaced) {
-#endif // INTERLACE
-
// normal egradient
for (yt = ytable, y = 0; y < height; y++, yt += 3) {
for (xt = xtable, x = 0; x < width; x++) {
(tb - (bsign * control->getSqrt(*(xt++) + *(yt + 2))));
}
}
-
-#ifdef INTERLACE
} else {
// faked interlacing effect
unsigned char channel, channel2;
}
}
}
-#endif // INTERLACE
}
void BImage::pcgradient(void) {
// pipe cross gradient - based on original dgradient, written by
// Mosfet (mosfet@kde.org)
- // adapted from kde sources for Openbox by Brad Hughes
+ // adapted from kde sources for Blackbox by Brad Hughes
float drx, dgx, dbx, dry, dgy, dby, xr, xg, xb, yr, yg, yb;
int rsign, gsign, bsign;
unsigned char *pr = red, *pg = green, *pb = blue;
unsigned int *xt = xtable, *yt = ytable,
- tr = to->getRed(),
- tg = to->getGreen(),
- tb = to->getBlue();
+ tr = to.red(),
+ tg = to.green(),
+ tb = to.blue();
register unsigned int x, y;
- dry = drx = (float) (to->getRed() - from->getRed());
- dgy = dgx = (float) (to->getGreen() - from->getGreen());
- dby = dbx = (float) (to->getBlue() - from->getBlue());
+ dry = drx = (float) (to.red() - from.red());
+ dgy = dgx = (float) (to.green() - from.green());
+ dby = dbx = (float) (to.blue() - from.blue());
rsign = (drx < 0) ? -2 : 2;
gsign = (dgx < 0) ? -2 : 2;
// Combine tables to create gradient
-#ifdef INTERLACE
if (! interlaced) {
-#endif // INTERLACE
-
// normal pcgradient
for (yt = ytable, y = 0; y < height; y++, yt += 3) {
for (xt = xtable, x = 0; x < width; x++) {
*(pb++) = (unsigned char) (tb - (bsign * min(*(xt++), *(yt + 2))));
}
}
-
-#ifdef INTERLACE
} else {
// faked interlacing effect
unsigned char channel, channel2;
}
}
}
-#endif // INTERLACE
}
void BImage::cdgradient(void) {
// cross diagonal gradient - based on original dgradient, written by
// Mosfet (mosfet@kde.org)
- // adapted from kde sources for Openbox by Brad Hughes
+ // adapted from kde sources for Blackbox by Brad Hughes
float drx, dgx, dbx, dry, dgy, dby, yr = 0.0, yg = 0.0, yb = 0.0,
- xr = (float) from->getRed(),
- xg = (float) from->getGreen(),
- xb = (float) from->getBlue();
+ xr = (float) from.red(),
+ xg = (float) from.green(),
+ xb = (float) from.blue();
unsigned char *pr = red, *pg = green, *pb = blue;
unsigned int w = width * 2, h = height * 2, *xt, *yt;
register unsigned int x, y;
- dry = drx = (float) (to->getRed() - from->getRed());
- dgy = dgx = (float) (to->getGreen() - from->getGreen());
- dby = dbx = (float) (to->getBlue() - from->getBlue());
+ dry = drx = (float) (to.red() - from.red());
+ dgy = dgx = (float) (to.green() - from.green());
+ dby = dbx = (float) (to.blue() - from.blue());
// Create X table
drx /= w;
// Combine tables to create gradient
-#ifdef INTERLACE
if (! interlaced) {
-#endif // INTERLACE
-
// normal cdgradient
for (yt = ytable, y = 0; y < height; y++, yt += 3) {
for (xt = xtable, x = 0; x < width; x++) {
*(pb++) = *(xt++) + *(yt + 2);
}
}
-
-#ifdef INTERLACE
} else {
// faked interlacing effect
unsigned char channel, channel2;
}
}
}
-#endif // INTERLACE
-}
-
-
-BImageControl::BImageControl(BaseDisplay *dpy, ScreenInfo *scrn, Bool _dither,
- int _cpc, unsigned long cache_timeout,
- unsigned long cmax)
-{
- basedisplay = dpy;
- screeninfo = scrn;
- setDither(_dither);
- setColorsPerChannel(_cpc);
-
- cache_max = cmax;
-#ifdef TIMEDCACHE
- if (cache_timeout) {
- timer = new BTimer(basedisplay, this);
- timer->setTimeout(cache_timeout);
- timer->start();
- } else
- timer = (BTimer *) 0;
-#endif // TIMEDCACHE
-
- colors = (XColor *) 0;
- ncolors = 0;
-
- grad_xbuffer = grad_ybuffer = (unsigned int *) 0;
- grad_buffer_width = grad_buffer_height = 0;
-
- sqrt_table = (unsigned long *) 0;
-
- screen_depth = screeninfo->getDepth();
- window = screeninfo->getRootWindow();
- screen_number = screeninfo->getScreenNumber();
-
- int count;
- XPixmapFormatValues *pmv = XListPixmapFormats(basedisplay->getXDisplay(),
- &count);
- colormap = screeninfo->getColormap();
-
- if (pmv) {
- bits_per_pixel = 0;
- for (int i = 0; i < count; i++)
- if (pmv[i].depth == screen_depth) {
- bits_per_pixel = pmv[i].bits_per_pixel;
- break;
- }
-
- XFree(pmv);
- }
-
- if (bits_per_pixel == 0) bits_per_pixel = screen_depth;
- if (bits_per_pixel >= 24) setDither(False);
-
- red_offset = green_offset = blue_offset = 0;
-
- switch (getVisual()->c_class) {
- case TrueColor:
- {
- int i;
-
- // compute color tables
- unsigned long red_mask = getVisual()->red_mask,
- green_mask = getVisual()->green_mask,
- blue_mask = getVisual()->blue_mask;
-
- while (! (red_mask & 1)) { red_offset++; red_mask >>= 1; }
- while (! (green_mask & 1)) { green_offset++; green_mask >>= 1; }
- while (! (blue_mask & 1)) { blue_offset++; blue_mask >>= 1; }
-
- red_bits = 255 / red_mask;
- green_bits = 255 / green_mask;
- blue_bits = 255 / blue_mask;
-
- for (i = 0; i < 256; i++) {
- red_color_table[i] = i / red_bits;
- green_color_table[i] = i / green_bits;
- blue_color_table[i] = i / blue_bits;
- }
- }
-
- break;
-
- case PseudoColor:
- case StaticColor:
- {
- ncolors = colors_per_channel * colors_per_channel * colors_per_channel;
-
- if (ncolors > (1 << screen_depth)) {
- colors_per_channel = (1 << screen_depth) / 3;
- ncolors = colors_per_channel * colors_per_channel * colors_per_channel;
- }
-
- if (colors_per_channel < 2 || ncolors > (1 << screen_depth)) {
- fprintf(stderr, i18n->getMessage(ImageSet, ImageInvalidColormapSize,
- "BImageControl::BImageControl: invalid colormap size %d "
- "(%d/%d/%d) - reducing"),
- ncolors, colors_per_channel, colors_per_channel,
- colors_per_channel);
-
- colors_per_channel = (1 << screen_depth) / 3;
- }
-
- colors = new XColor[ncolors];
- if (! colors) {
- fprintf(stderr, i18n->getMessage(ImageSet,
- ImageErrorAllocatingColormap,
- "BImageControl::BImageControl: error allocating "
- "colormap\n"));
- exit(1);
- }
-
- int i = 0, ii, p, r, g, b,
-
-#ifdef ORDEREDPSEUDO
- bits = 256 / colors_per_channel;
-#else // !ORDEREDPSEUDO
- bits = 255 / (colors_per_channel - 1);
-#endif // ORDEREDPSEUDO
-
- red_bits = green_bits = blue_bits = bits;
-
- for (i = 0; i < 256; i++)
- red_color_table[i] = green_color_table[i] = blue_color_table[i] =
- i / bits;
-
- for (r = 0, i = 0; r < colors_per_channel; r++)
- for (g = 0; g < colors_per_channel; g++)
- for (b = 0; b < colors_per_channel; b++, i++) {
- colors[i].red = (r * 0xffff) / (colors_per_channel - 1);
- colors[i].green = (g * 0xffff) / (colors_per_channel - 1);
- colors[i].blue = (b * 0xffff) / (colors_per_channel - 1);;
- colors[i].flags = DoRed|DoGreen|DoBlue;
- }
-
- basedisplay->grab();
-
- for (i = 0; i < ncolors; i++)
- if (! XAllocColor(basedisplay->getXDisplay(), colormap, &colors[i])) {
- fprintf(stderr, i18n->getMessage(ImageSet, ImageColorAllocFail,
- "couldn't alloc color %i %i %i\n"),
- colors[i].red, colors[i].green, colors[i].blue);
- colors[i].flags = 0;
- } else
- colors[i].flags = DoRed|DoGreen|DoBlue;
-
- basedisplay->ungrab();
-
- XColor icolors[256];
- int incolors = (((1 << screen_depth) > 256) ? 256 : (1 << screen_depth));
-
- for (i = 0; i < incolors; i++)
- icolors[i].pixel = i;
-
- XQueryColors(basedisplay->getXDisplay(), colormap, icolors, incolors);
- for (i = 0; i < ncolors; i++) {
- if (! colors[i].flags) {
- unsigned long chk = 0xffffffff, pixel, close = 0;
-
- p = 2;
- while (p--) {
- for (ii = 0; ii < incolors; ii++) {
- r = (colors[i].red - icolors[i].red) >> 8;
- g = (colors[i].green - icolors[i].green) >> 8;
- b = (colors[i].blue - icolors[i].blue) >> 8;
- pixel = (r * r) + (g * g) + (b * b);
-
- if (pixel < chk) {
- chk = pixel;
- close = ii;
- }
-
- colors[i].red = icolors[close].red;
- colors[i].green = icolors[close].green;
- colors[i].blue = icolors[close].blue;
-
- if (XAllocColor(basedisplay->getXDisplay(), colormap,
- &colors[i])) {
- colors[i].flags = DoRed|DoGreen|DoBlue;
- break;
- }
- }
- }
- }
- }
-
- break;
- }
-
- case GrayScale:
- case StaticGray:
- {
-
- if (getVisual()->c_class == StaticGray) {
- ncolors = 1 << screen_depth;
- } else {
- ncolors = colors_per_channel * colors_per_channel * colors_per_channel;
-
- if (ncolors > (1 << screen_depth)) {
- colors_per_channel = (1 << screen_depth) / 3;
- ncolors =
- colors_per_channel * colors_per_channel * colors_per_channel;
- }
- }
-
- if (colors_per_channel < 2 || ncolors > (1 << screen_depth)) {
- fprintf(stderr, i18n->getMessage(ImageSet, ImageInvalidColormapSize,
- "BImageControl::BImageControl: invalid colormap size %d "
- "(%d/%d/%d) - reducing"),
- ncolors, colors_per_channel, colors_per_channel,
- colors_per_channel);
-
- colors_per_channel = (1 << screen_depth) / 3;
- }
-
- colors = new XColor[ncolors];
- if (! colors) {
- fprintf(stderr, i18n->getMessage(ImageSet,
- ImageErrorAllocatingColormap,
- "BImageControl::BImageControl: error allocating "
- "colormap\n"));
- exit(1);
- }
-
- int i = 0, ii, p, bits = 255 / (colors_per_channel - 1);
- red_bits = green_bits = blue_bits = bits;
-
- for (i = 0; i < 256; i++)
- red_color_table[i] = green_color_table[i] = blue_color_table[i] =
- i / bits;
-
- basedisplay->grab();
- for (i = 0; i < ncolors; i++) {
- colors[i].red = (i * 0xffff) / (colors_per_channel - 1);
- colors[i].green = (i * 0xffff) / (colors_per_channel - 1);
- colors[i].blue = (i * 0xffff) / (colors_per_channel - 1);;
- colors[i].flags = DoRed|DoGreen|DoBlue;
-
- if (! XAllocColor(basedisplay->getXDisplay(), colormap,
- &colors[i])) {
- fprintf(stderr, i18n->getMessage(ImageSet, ImageColorAllocFail,
- "couldn't alloc color %i %i %i\n"),
- colors[i].red, colors[i].green, colors[i].blue);
- colors[i].flags = 0;
- } else
- colors[i].flags = DoRed|DoGreen|DoBlue;
- }
-
- basedisplay->ungrab();
-
- XColor icolors[256];
- int incolors = (((1 << screen_depth) > 256) ? 256 :
- (1 << screen_depth));
-
- for (i = 0; i < incolors; i++)
- icolors[i].pixel = i;
-
- XQueryColors(basedisplay->getXDisplay(), colormap, icolors, incolors);
- for (i = 0; i < ncolors; i++) {
- if (! colors[i].flags) {
- unsigned long chk = 0xffffffff, pixel, close = 0;
-
- p = 2;
- while (p--) {
- for (ii = 0; ii < incolors; ii++) {
- int r = (colors[i].red - icolors[i].red) >> 8;
- int g = (colors[i].green - icolors[i].green) >> 8;
- int b = (colors[i].blue - icolors[i].blue) >> 8;
- pixel = (r * r) + (g * g) + (b * b);
-
- if (pixel < chk) {
- chk = pixel;
- close = ii;
- }
-
- colors[i].red = icolors[close].red;
- colors[i].green = icolors[close].green;
- colors[i].blue = icolors[close].blue;
-
- if (XAllocColor(basedisplay->getXDisplay(), colormap,
- &colors[i])) {
- colors[i].flags = DoRed|DoGreen|DoBlue;
- break;
- }
- }
- }
- }
- }
-
- break;
- }
-
- default:
- fprintf(stderr, i18n->getMessage(ImageSet, ImageUnsupVisual,
- "BImageControl::BImageControl: unsupported visual %d\n"),
- getVisual()->c_class);
- exit(1);
- }
-
- cache = new LinkedList<Cache>;
-}
-
-
-BImageControl::~BImageControl(void) {
- if (sqrt_table) {
- delete [] sqrt_table;
- }
-
- if (grad_xbuffer) {
- delete [] grad_xbuffer;
- }
-
- if (grad_ybuffer) {
- delete [] grad_ybuffer;
- }
-
- if (colors) {
- unsigned long *pixels = new unsigned long [ncolors];
-
- int i;
- for (i = 0; i < ncolors; i++)
- *(pixels + i) = (*(colors + i)).pixel;
-
- XFreeColors(basedisplay->getXDisplay(), colormap, pixels, ncolors, 0);
-
- delete [] colors;
- }
-
- if (cache->count()) {
- int i, n = cache->count();
- fprintf(stderr, i18n->getMessage(ImageSet, ImagePixmapRelease,
- "BImageContol::~BImageControl: pixmap cache - "
- "releasing %d pixmaps\n"), n);
-
- for (i = 0; i < n; i++) {
- Cache *tmp = cache->first();
- XFreePixmap(basedisplay->getXDisplay(), tmp->pixmap);
- cache->remove(tmp);
- delete tmp;
- }
-
-#ifdef TIMEDCACHE
- if (timer) {
- timer->stop();
- delete timer;
- }
-#endif // TIMEDCACHE
- }
-
- delete cache;
-}
-
-
-Pixmap BImageControl::searchCache(unsigned int width, unsigned int height,
- unsigned long texture,
- BColor *c1, BColor *c2) {
- if (cache->count()) {
- LinkedListIterator<Cache> it(cache);
-
- for (Cache *tmp = it.current(); tmp; it++, tmp = it.current()) {
- if ((tmp->width == width) && (tmp->height == height) &&
- (tmp->texture == texture) && (tmp->pixel1 == c1->getPixel()))
- if (texture & BImage_Gradient) {
- if (tmp->pixel2 == c2->getPixel()) {
- tmp->count++;
- return tmp->pixmap;
- }
- } else {
- tmp->count++;
- return tmp->pixmap;
- }
- }
- }
-
- return None;
-}
-
-
-Pixmap BImageControl::renderImage(unsigned int width, unsigned int height,
- BTexture *texture) {
- if (texture->getTexture() & BImage_ParentRelative) return ParentRelative;
-
- Pixmap pixmap = searchCache(width, height, texture->getTexture(),
- texture->getColor(), texture->getColorTo());
- if (pixmap) return pixmap;
-
- BImage image(this, width, height);
- pixmap = image.render(texture);
-
- if (pixmap) {
- Cache *tmp = new Cache;
-
- tmp->pixmap = pixmap;
- tmp->width = width;
- tmp->height = height;
- tmp->count = 1;
- tmp->texture = texture->getTexture();
- tmp->pixel1 = texture->getColor()->getPixel();
-
- if (texture->getTexture() & BImage_Gradient)
- tmp->pixel2 = texture->getColorTo()->getPixel();
- else
- tmp->pixel2 = 0l;
-
- cache->insert(tmp);
-
- if ((unsigned) cache->count() > cache_max) {
-#ifdef DEBUG
- fprintf(stderr, i18n->getMessage(ImageSet, ImagePixmapCacheLarge,
- "BImageControl::renderImage: cache is large, "
- "forcing cleanout\n"));
-#endif // DEBUG
-
- timeout();
- }
-
- return pixmap;
- }
-
- return None;
-}
-
-
-void BImageControl::removeImage(Pixmap pixmap) {
- if (pixmap) {
- LinkedListIterator<Cache> it(cache);
- for (Cache *tmp = it.current(); tmp; it++, tmp = it.current()) {
- if (tmp->pixmap == pixmap) {
- if (tmp->count) {
- tmp->count--;
-
-#ifdef TIMEDCACHE
- if (! timer) timeout();
-#else // !TIMEDCACHE
- if (! tmp->count) timeout();
-#endif // TIMEDCACHE
- }
-
- return;
- }
- }
- }
-}
-
-
-unsigned long BImageControl::getColor(const char *colorname,
- unsigned char *r, unsigned char *g,
- unsigned char *b)
-{
- XColor color;
- color.pixel = 0;
-
- if (! XParseColor(basedisplay->getXDisplay(), colormap, colorname, &color))
- fprintf(stderr, "BImageControl::getColor: color parse error: \"%s\"\n",
- colorname);
- else if (! XAllocColor(basedisplay->getXDisplay(), colormap, &color))
- fprintf(stderr, "BImageControl::getColor: color alloc error: \"%s\"\n",
- colorname);
-
- if (color.red == 65535) *r = 0xff;
- else *r = (unsigned char) (color.red / 0xff);
- if (color.green == 65535) *g = 0xff;
- else *g = (unsigned char) (color.green / 0xff);
- if (color.blue == 65535) *b = 0xff;
- else *b = (unsigned char) (color.blue / 0xff);
-
- return color.pixel;
-}
-
-
-unsigned long BImageControl::getColor(const char *colorname) {
- XColor color;
- color.pixel = 0;
-
- if (! XParseColor(basedisplay->getXDisplay(), colormap, colorname, &color))
- fprintf(stderr, "BImageControl::getColor: color parse error: \"%s\"\n",
- colorname);
- else if (! XAllocColor(basedisplay->getXDisplay(), colormap, &color))
- fprintf(stderr, "BImageControl::getColor: color alloc error: \"%s\"\n",
- colorname);
-
- return color.pixel;
-}
-
-
-void BImageControl::getColorTables(unsigned char **rmt, unsigned char **gmt,
- unsigned char **bmt,
- int *roff, int *goff, int *boff,
- int *rbit, int *gbit, int *bbit) {
- if (rmt) *rmt = red_color_table;
- if (gmt) *gmt = green_color_table;
- if (bmt) *bmt = blue_color_table;
-
- if (roff) *roff = red_offset;
- if (goff) *goff = green_offset;
- if (boff) *boff = blue_offset;
-
- if (rbit) *rbit = red_bits;
- if (gbit) *gbit = green_bits;
- if (bbit) *bbit = blue_bits;
-}
-
-
-void BImageControl::getXColorTable(XColor **c, int *n) {
- if (c) *c = colors;
- if (n) *n = ncolors;
-}
-
-
-void BImageControl::getGradientBuffers(unsigned int w,
- unsigned int h,
- unsigned int **xbuf,
- unsigned int **ybuf)
-{
- if (w > grad_buffer_width) {
- if (grad_xbuffer) {
- delete [] grad_xbuffer;
- }
-
- grad_buffer_width = w;
-
- grad_xbuffer = new unsigned int[grad_buffer_width * 3];
- }
-
- if (h > grad_buffer_height) {
- if (grad_ybuffer) {
- delete [] grad_ybuffer;
- }
-
- grad_buffer_height = h;
-
- grad_ybuffer = new unsigned int[grad_buffer_height * 3];
- }
-
- *xbuf = grad_xbuffer;
- *ybuf = grad_ybuffer;
-}
-
-
-void BImageControl::installRootColormap(void) {
- basedisplay->grab();
-
- Bool install = True;
- int i = 0, ncmap = 0;
- Colormap *cmaps =
- XListInstalledColormaps(basedisplay->getXDisplay(), window, &ncmap);
-
- if (cmaps) {
- for (i = 0; i < ncmap; i++)
- if (*(cmaps + i) == colormap)
- install = False;
-
- if (install)
- XInstallColormap(basedisplay->getXDisplay(), colormap);
-
- XFree(cmaps);
- }
-
- basedisplay->ungrab();
-}
-
-
-void BImageControl::setColorsPerChannel(int cpc) {
- if (cpc < 2) cpc = 2;
- if (cpc > 6) cpc = 6;
-
- colors_per_channel = cpc;
-}
-
-
-unsigned long BImageControl::getSqrt(unsigned int x) {
- if (! sqrt_table) {
- // build sqrt table for use with elliptic gradient
-
- sqrt_table = new unsigned long[(256 * 256 * 2) + 1];
- int i = 0;
-
- for (; i < (256 * 256 * 2); i++)
- *(sqrt_table + i) = bsqrt(i);
- }
-
- return (*(sqrt_table + x));
-}
-
-
-void BImageControl::parseTexture(BTexture *texture, char *t) {
- if ((! texture) || (! t)) return;
-
- int t_len = strlen(t) + 1, i;
- char *ts = new char[t_len];
- if (! ts) return;
-
- // convert to lower case
- for (i = 0; i < t_len; i++)
- *(ts + i) = tolower(*(t + i));
-
- if (strstr(ts, "parentrelative")) {
- texture->setTexture(BImage_ParentRelative);
- } else {
- texture->setTexture(0);
-
- if (strstr(ts, "solid"))
- texture->addTexture(BImage_Solid);
- else if (strstr(ts, "gradient")) {
- texture->addTexture(BImage_Gradient);
- if (strstr(ts, "crossdiagonal"))
- texture->addTexture(BImage_CrossDiagonal);
- else if (strstr(ts, "rectangle"))
- texture->addTexture(BImage_Rectangle);
- else if (strstr(ts, "pyramid"))
- texture->addTexture(BImage_Pyramid);
- else if (strstr(ts, "pipecross"))
- texture->addTexture(BImage_PipeCross);
- else if (strstr(ts, "elliptic"))
- texture->addTexture(BImage_Elliptic);
- else if (strstr(ts, "diagonal"))
- texture->addTexture(BImage_Diagonal);
- else if (strstr(ts, "horizontal"))
- texture->addTexture(BImage_Horizontal);
- else if (strstr(ts, "vertical"))
- texture->addTexture(BImage_Vertical);
- else
- texture->addTexture(BImage_Diagonal);
- } else
- texture->addTexture(BImage_Solid);
-
- if (strstr(ts, "raised"))
- texture->addTexture(BImage_Raised);
- else if (strstr(ts, "sunken"))
- texture->addTexture(BImage_Sunken);
- else if (strstr(ts, "flat"))
- texture->addTexture(BImage_Flat);
- else
- texture->addTexture(BImage_Raised);
-
- if (! (texture->getTexture() & BImage_Flat))
- if (strstr(ts, "bevel2"))
- texture->addTexture(BImage_Bevel2);
- else
- texture->addTexture(BImage_Bevel1);
-
-#ifdef INTERLACE
- if (strstr(ts, "interlaced"))
- texture->addTexture(BImage_Interlaced);
-#endif // INTERLACE
- }
-
- delete [] ts;
-}
-
-
-void BImageControl::parseColor(BColor *color, char *c) {
- if (! color) return;
-
- if (color->isAllocated()) {
- unsigned long pixel = color->getPixel();
-
- XFreeColors(basedisplay->getXDisplay(), colormap, &pixel, 1, 0);
-
- color->setPixel(0l);
- color->setRGB(0, 0, 0);
- color->setAllocated(False);
- }
-
- if (c) {
- unsigned char r, g, b;
-
- color->setPixel(getColor(c, &r, &g, &b));
- color->setRGB(r, g, b);
- color->setAllocated(True);
- }
-}
-
-
-void BImageControl::timeout(void) {
- LinkedListIterator<Cache> it(cache);
- for (Cache *tmp = it.current(); tmp; it++, tmp = it.current()) {
- if (tmp->count <= 0) {
- XFreePixmap(basedisplay->getXDisplay(), tmp->pixmap);
- cache->remove(tmp);
- delete tmp;
- }
- }
}
projects / chaz / openbox / blobdiff