X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=render%2Fgradient.c;h=d3a09955a8b49c953d7c52f3d74f69ac21735e89;hb=71af5156bad35b6ea0b45a220fa05cb6f8d745fe;hp=fa54fbb25b657929047d76ff70be57ccdfe88a6f;hpb=16f46c296d1fcd3f27fc62a18e71c55fb3fd3e88;p=chaz%2Fopenbox diff --git a/render/gradient.c b/render/gradient.c index fa54fbb2..d3a09955 100644 --- a/render/gradient.c +++ b/render/gradient.c @@ -1,7 +1,8 @@ /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*- gradient.c for the Openbox window manager - Copyright (c) 2003 Ben Jansens + Copyright (c) 2006 Mikael Magnusson + Copyright (c) 2003-2007 Dana Jansens Copyright (c) 2003 Derek Foreman This program is free software; you can redistribute it and/or modify @@ -23,30 +24,38 @@ #include static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised); -static void gradient_solid(RrAppearance *l, int w, int h); -static void gradient_vertical(RrSurface *sf, int w, int h); -static void gradient_horizontal(RrSurface *sf, int w, int h); -static void gradient_diagonal(RrSurface *sf, int w, int h); -static void gradient_crossdiagonal(RrSurface *sf, int w, int h); -static void gradient_pyramid(RrSurface *sf, int inw, int inh); - -void RrRender(RrAppearance *a, int w, int h) +static void gradient_solid(RrAppearance *l, gint w, gint h); +static void gradient_splitvertical(RrAppearance *a, gint w, gint h); +static void gradient_vertical(RrSurface *sf, gint w, gint h); +static void gradient_horizontal(RrSurface *sf, gint w, gint h); +static void gradient_mirrorhorizontal(RrSurface *sf, gint w, gint h); +static void gradient_diagonal(RrSurface *sf, gint w, gint h); +static void gradient_crossdiagonal(RrSurface *sf, gint w, gint h); +static void gradient_pyramid(RrSurface *sf, gint inw, gint inh); + +void RrRender(RrAppearance *a, gint w, gint h) { RrPixel32 *data = a->surface.pixel_data; RrPixel32 current; - unsigned int r,g,b; - int off, x; + guint r,g,b; + gint off, x; switch (a->surface.grad) { case RR_SURFACE_SOLID: gradient_solid(a, w, h); break; + case RR_SURFACE_SPLIT_VERTICAL: + gradient_splitvertical(a, w, h); + break; case RR_SURFACE_VERTICAL: gradient_vertical(&a->surface, w, h); break; case RR_SURFACE_HORIZONTAL: gradient_horizontal(&a->surface, w, h); break; + case RR_SURFACE_MIRROR_HORIZONTAL: + gradient_mirrorhorizontal(&a->surface, w, h); + break; case RR_SURFACE_DIAGONAL: gradient_diagonal(&a->surface, w, h); break; @@ -62,7 +71,7 @@ void RrRender(RrAppearance *a, int w, int h) } if (a->surface.interlaced) { - int i; + gint i; RrPixel32 *p; r = a->surface.interlace_color->r; @@ -121,7 +130,7 @@ void RrRender(RrAppearance *a, int w, int h) static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised) { - int r, g, b; + gint r, g, b; RrPixel32 *up, *down; if (raised) { @@ -155,7 +164,7 @@ static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised) static void create_bevel_colors(RrAppearance *l) { - int r, g, b; + gint r, g, b; /* light color */ r = l->surface.primary->r; @@ -181,31 +190,27 @@ static void create_bevel_colors(RrAppearance *l) l->surface.bevel_dark = RrColorNew(l->inst, r, g, b); } -static void gradient_solid(RrAppearance *l, int w, int h) +static void gradient_solid(RrAppearance *l, gint w, gint h) { + gint i; RrPixel32 pix; - int i, a, b; + RrPixel32 *data = l->surface.pixel_data; RrSurface *sp = &l->surface; - int left = 0, top = 0, right = w - 1, bottom = h - 1; + gint left = 0, top = 0, right = w - 1, bottom = h - 1; pix = (sp->primary->r << RrDefaultRedOffset) + (sp->primary->g << RrDefaultGreenOffset) + (sp->primary->b << RrDefaultBlueOffset); - for (a = 0; a < w; a++) - for (b = 0; b < h; b++) - sp->pixel_data[a + b * w] = pix; + for (i = 0; i < w * h; i++) + *data++ = pix; + + if (sp->interlaced) + return; XFillRectangle(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->primary), 0, 0, w, h); - if (sp->interlaced) { - for (i = 0; i < h; i += 2) - XDrawLine(RrDisplay(l->inst), l->pixmap, - RrColorGC(sp->interlace_color), - 0, i, w, i); - } - switch (sp->relief) { case RR_RELIEF_RAISED: if (!sp->bevel_dark) @@ -225,14 +230,14 @@ static void gradient_solid(RrAppearance *l, int w, int h) break; case RR_BEVEL_2: XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark), - left + 1, bottom - 2, right - 2, bottom - 2); + left + 2, bottom - 1, right - 2, bottom - 1); XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark), - right - 2, bottom - 2, right - 2, top + 1); + right - 1, bottom - 1, right - 1, top + 1); XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light), - left + 1, top + 1, right - 2, top + 1); + left + 2, top + 1, right - 2, top + 1); XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light), - left + 1, bottom - 2, left + 1, top + 1); + left + 1, bottom - 1, left + 1, top + 1); break; default: g_assert_not_reached(); /* unhandled BevelType */ @@ -256,15 +261,14 @@ static void gradient_solid(RrAppearance *l, int w, int h) break; case RR_BEVEL_2: XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light), - left + 1, bottom - 2, right - 2, bottom - 2); + left + 2, bottom - 1, right - 2, bottom - 1); XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light), - right - 2, bottom - 2, right - 2, top + 1); - + right - 1, bottom - 1, right - 1, top + 1); + XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark), - left + 1, top + 1, right - 2, top + 1); + left + 2, top + 1, right - 2, top + 1); XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark), - left + 1, bottom - 2, left + 1, top + 1); - + left + 1, bottom - 1, left + 1, top + 1); break; default: g_assert_not_reached(); /* unhandled BevelType */ @@ -285,8 +289,8 @@ static void gradient_solid(RrAppearance *l, int w, int h) /* * * * * * * * * * * * * * GRADIENT MAGIC WOOT * * * * * * * * * * * * * * */ #define VARS(x) \ - unsigned int color##x[3]; \ - int len##x, cdelta##x[3], error##x[3] = { 0, 0, 0 }, inc##x[3]; \ + guint color##x[3]; \ + gint len##x, cdelta##x[3], error##x[3] = { 0, 0, 0 }, inc##x[3]; \ gboolean bigslope##x[3] /* color slope > 1 */ #define SETUP(x, from, to, w) \ @@ -334,7 +338,7 @@ static void gradient_solid(RrAppearance *l, int w, int h) #define NEXT(x) \ { \ - int i; \ + gint i; \ for (i = 2; i >= 0; --i) { \ if (!cdelta##x[i]) continue; \ \ @@ -359,9 +363,70 @@ static void gradient_solid(RrAppearance *l, int w, int h) } \ } -static void gradient_horizontal(RrSurface *sf, int w, int h) +static void gradient_splitvertical(RrAppearance *a, gint w, gint h) +{ + gint x, y1, y3, r, g, b; + RrSurface *sf = &a->surface; + RrPixel32 *data = sf->pixel_data; + RrPixel32 current; + RrColor *primary_light, *secondary_light; + + VARS(y1); + VARS(y3); + + r = sf->primary->r; + r += r >> 2; + g = sf->primary->g; + g += g >> 2; + b = sf->primary->b; + b += b >> 2; + if (r > 0xFF) r = 0xFF; + if (g > 0xFF) g = 0xFF; + if (b > 0xFF) b = 0xFF; + primary_light = RrColorNew(a->inst, r, g, b); + + r = sf->secondary->r; + r += r >> 4; + g = sf->secondary->g; + g += g >> 4; + b = sf->secondary->b; + b += b >> 4; + if (r > 0xFF) r = 0xFF; + if (g > 0xFF) g = 0xFF; + if (b > 0xFF) b = 0xFF; + secondary_light = RrColorNew(a->inst, r, g, b); + + SETUP(y1, primary_light, sf->primary, (h / 2) -1); + SETUP(y3, sf->secondary, secondary_light, (h / 2) -1); + + for (y1 = h - 1; y1 > (h / 2) -1; --y1) { /* 0 -> h-1 */ + current = COLOR(y1); + for (x = w - 1; x >= 0; --x) /* 0 -> w */ + *(data++) = current; + + NEXT(y1); + } + + + for (y3 = (h / 2) - 1; y3 > 0; --y3) { + current = COLOR(y3); + for (x = w - 1; x >= 0; --x) + *(data++) = current; + + NEXT(y3); + } + + current = COLOR(y3); + for (x = w - 1; x >= 0; --x) /* 0 -> w */ + *(data++) = current; + + RrColorFree(primary_light); + RrColorFree(secondary_light); +} + +static void gradient_horizontal(RrSurface *sf, gint w, gint h) { - int x, y; + gint x, y; RrPixel32 *data = sf->pixel_data, *datav; RrPixel32 current; @@ -384,9 +449,48 @@ static void gradient_horizontal(RrSurface *sf, int w, int h) *(data + y * w) = current; } -static void gradient_vertical(RrSurface *sf, int w, int h) +static void gradient_mirrorhorizontal(RrSurface *sf, gint w, gint h) +{ + gint x, y; + RrPixel32 *data = sf->pixel_data, *datav; + RrPixel32 current; + + VARS(x); + SETUP(x, sf->primary, sf->secondary, w/2); + + if (w > 1) { + for (x = w - 1; x > w/2-1; --x) { /* 0 -> w-1 */ + current = COLOR(x); + datav = data; + for (y = h - 1; y >= 0; --y) { /* 0 -> h */ + *datav = current; + datav += w; + } + ++data; + + NEXT(x); + } + SETUP(x, sf->secondary, sf->primary, w/2); + for (x = w/2 - 1; x > 0; --x) { /* 0 -> w-1 */ + current = COLOR(x); + datav = data; + for (y = h - 1; y >= 0; --y) { /* 0 -> h */ + *datav = current; + datav += w; + } + ++data; + + NEXT(x); + } + } + current = COLOR(x); + for (y = h - 1; y >= 0; --y) /* 0 -> h */ + *(data + y * w) = current; +} + +static void gradient_vertical(RrSurface *sf, gint w, gint h) { - int x, y; + gint x, y; RrPixel32 *data = sf->pixel_data; RrPixel32 current; @@ -406,9 +510,9 @@ static void gradient_vertical(RrSurface *sf, int w, int h) } -static void gradient_diagonal(RrSurface *sf, int w, int h) +static void gradient_diagonal(RrSurface *sf, gint w, gint h) { - int x, y; + gint x, y; RrPixel32 *data = sf->pixel_data; RrColor left, right; RrColor extracorner; @@ -453,9 +557,9 @@ static void gradient_diagonal(RrSurface *sf, int w, int h) *data = COLOR(x); } -static void gradient_crossdiagonal(RrSurface *sf, int w, int h) +static void gradient_crossdiagonal(RrSurface *sf, gint w, gint h) { - int x, y; + gint x, y; RrPixel32 *data = sf->pixel_data; RrColor left, right; RrColor extracorner; @@ -500,9 +604,9 @@ static void gradient_crossdiagonal(RrSurface *sf, int w, int h) *data = COLOR(x); } -static void gradient_pyramid(RrSurface *sf, int inw, int inh) +static void gradient_pyramid(RrSurface *sf, gint inw, gint inh) { - int x, y, w = (inw >> 1) + 1, h = (inh >> 1) + 1; + gint x, y, w = (inw >> 1) + 1, h = (inh >> 1) + 1; RrPixel32 *data = sf->pixel_data; RrPixel32 *end = data + inw*inh - 1; RrPixel32 current;