From 4c732fe232f3ce785cc1e553aaefbf0f24eabee4 Mon Sep 17 00:00:00 2001 From: kramm Date: Sat, 6 Jan 2007 22:19:02 +0000 Subject: [PATCH] new devices, for color transformations --- lib/devices/ops.c | 189 +++++++++++++++++++++++++++++++++++++++++++++++++++++ lib/devices/ops.h | 38 +++++++++++ 2 files changed, 227 insertions(+) create mode 100644 lib/devices/ops.c create mode 100644 lib/devices/ops.h diff --git a/lib/devices/ops.c b/lib/devices/ops.c new file mode 100644 index 0000000..911bc47 --- /dev/null +++ b/lib/devices/ops.c @@ -0,0 +1,189 @@ +/* ops.c + + Part of the swftools package. + + Copyright (c) 2006 Matthias Kramm + + 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 */ + +#include +#include +#include +#include +#include +#include "../types.h" +#include "../mem.h" +#include "../gfxdevice.h" +#include "../gfxtools.h" + +typedef struct _internal { + gfxdevice_t*out; + U8 alpha; +} internal_t; + +static int verbose = 1; +static void dbg(char*format, ...) +{ + if(!verbose) + return; + char buf[1024]; + int l; + va_list arglist; + va_start(arglist, format); + vsprintf(buf, format, arglist); + va_end(arglist); + l = strlen(buf); + while(l && buf[l-1]=='\n') { + buf[l-1] = 0; + l--; + } + printf("(device-ops) %s\n", buf); + fflush(stdout); +} + +inline gfxcolor_t transform_color(internal_t*i, gfxcolor_t*col) +{ + gfxcolor_t col2; + /*col2.r = (col->r * i->alpha)>>8; + col2.g = (col->g * i->alpha)>>8; + col2.b = (col->b * i->alpha)>>8;*/ + col2.r = col->r; + col2.g = col->g; + col2.b = col->b; + col2.a = (col->a * i->alpha)>>8; + return col2; +} + +int ops_setparameter(struct _gfxdevice*dev, const char*key, const char*value) +{ + internal_t*i = (internal_t*)dev->internal; + return i->out->setparameter(i->out,key,value); +} + +void ops_startpage(struct _gfxdevice*dev, int width, int height) +{ + internal_t*i = (internal_t*)dev->internal; + i->out->startpage(i->out,width,height); +} + +void ops_startclip(struct _gfxdevice*dev, gfxline_t*line) +{ + internal_t*i = (internal_t*)dev->internal; + i->out->startclip(i->out,line); +} + +void ops_endclip(struct _gfxdevice*dev) +{ + internal_t*i = (internal_t*)dev->internal; + i->out->endclip(i->out); +} + +void ops_stroke(struct _gfxdevice*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit) +{ + internal_t*i = (internal_t*)dev->internal; + gfxcolor_t color2 = transform_color(i, color); + i->out->stroke(i->out, line, width, &color2, cap_style, joint_style, miterLimit); +} + +void ops_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color) +{ + internal_t*i = (internal_t*)dev->internal; + gfxcolor_t color2 = transform_color(i, color); + i->out->fill(i->out, line, &color2); +} + +void ops_fillbitmap(struct _gfxdevice*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform) +{ + internal_t*i = (internal_t*)dev->internal; + gfximage_t img2; + img2.width = img->width; + img2.height = img->height; + img2.data = malloc(img->width*img->height*4); + int x,y; + for(y=0;yheight;y++) { + gfxcolor_t*in = &img->data[y*img->width]; + gfxcolor_t*out = &img2.data[y*img->width]; + for(x=0;xwidth;x++) { + out[x] = transform_color(i, &in[x]); + } + } + i->out->fillbitmap(i->out, line, &img2, matrix, cxform); + free(img2.data); +} + +void ops_fillgradient(struct _gfxdevice*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix) +{ + internal_t*i = (internal_t*)dev->internal; + i->out->fillgradient(i->out, line, gradient, type, matrix); +} + +void ops_addfont(struct _gfxdevice*dev, gfxfont_t*font) +{ + internal_t*i = (internal_t*)dev->internal; + i->out->addfont(i->out, font); +} + +void ops_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix) +{ + internal_t*i = (internal_t*)dev->internal; + gfxcolor_t color2 = transform_color(i, color); + i->out->drawchar(i->out, font, glyphnr, color, matrix); +} + +void ops_drawlink(struct _gfxdevice*dev, gfxline_t*line, char*action) +{ + internal_t*i = (internal_t*)dev->internal; + i->out->drawlink(i->out, line, action); +} + +void ops_endpage(struct _gfxdevice*dev) +{ + internal_t*i = (internal_t*)dev->internal; + i->out->endpage(i->out); +} + +gfxresult_t* ops_finish(struct _gfxdevice*dev) +{ + free(dev->internal);dev->internal = 0; + return 0; +} + +void gfxdevice_ops_init(gfxdevice_t*dev, gfxdevice_t*out, U8 alpha) +{ + internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t)); + memset(dev, 0, sizeof(gfxdevice_t)); + + dev->name = "ops"; + + dev->internal = i; + + dev->setparameter = ops_setparameter; + dev->startpage = ops_startpage; + dev->startclip = ops_startclip; + dev->endclip = ops_endclip; + dev->stroke = ops_stroke; + dev->fill = ops_fill; + dev->fillbitmap = ops_fillbitmap; + dev->fillgradient = ops_fillgradient; + dev->addfont = ops_addfont; + dev->drawchar = ops_drawchar; + dev->drawlink = ops_drawlink; + dev->endpage = ops_endpage; + dev->finish = ops_finish; + + i->out = out; + i->alpha = alpha; +} + diff --git a/lib/devices/ops.h b/lib/devices/ops.h new file mode 100644 index 0000000..1739a4b --- /dev/null +++ b/lib/devices/ops.h @@ -0,0 +1,38 @@ +/* swfoutput.h + Header file for swfoutput.cc (and swfoutput_x11.cc). + + Part of the swftools package. + + Copyright (c) 2001,2002,2003 Matthias Kramm + + 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 __gfxdevice_ops_h__ +#define __gfxdevice_ops_h__ + +#include "../gfxdevice.h" + + +#ifdef __cplusplus +extern "C" { +#endif + +void gfxdevice_ops_init(gfxdevice_t*self, gfxdevice_t*dest, unsigned char alpha); + +#ifdef __cplusplus +} +#endif + +#endif //__gfxdevice_ops_h__ -- 1.7.10.4