533 lines
14 KiB
C
533 lines
14 KiB
C
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/** \file
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* \brief IupDraw driver
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*
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* See Copyright Notice in cd.h
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <cd.h>
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#include <cd_private.h>
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#include "iup.h"
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#include "iupdraw_cd.h"
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#include "iup_drvdraw.h"
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#include "iup_drvfont.h"
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struct _cdCtxCanvas
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{
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cdCanvas* canvas;
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Ihandle* ih;
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IdrawCanvas* dc;
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};
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static void cdkillcanvas(cdCtxCanvas *ctxcanvas)
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{
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if (ctxcanvas->dc)
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iupdrvDrawKillCanvas(ctxcanvas->dc);
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memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
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free(ctxcanvas);
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}
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static int cdactivate(cdCtxCanvas *ctxcanvas)
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{
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int w, h;
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if (ctxcanvas->dc)
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iupdrvDrawKillCanvas(ctxcanvas->dc);
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ctxcanvas->dc = iupdrvDrawCreateCanvas(ctxcanvas->ih);
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iupdrvDrawGetSize(ctxcanvas->dc, &w, &h);
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ctxcanvas->canvas->bpp = IupGetInt(NULL, "SCREENDEPTH");
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ctxcanvas->canvas->xres = IupGetDouble(NULL, "SCREENDPI") / 25.4;
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ctxcanvas->canvas->yres = ctxcanvas->canvas->xres;
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ctxcanvas->canvas->w = w;
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ctxcanvas->canvas->h = h;
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ctxcanvas->canvas->w_mm = ((double)w) / ctxcanvas->canvas->xres;
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ctxcanvas->canvas->h_mm = ((double)h) / ctxcanvas->canvas->yres;
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ctxcanvas->canvas->invert_yaxis = 1;
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return CD_OK;
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}
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static void cdflush(cdCtxCanvas *ctxcanvas)
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{
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if (ctxcanvas->dc)
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iupdrvDrawFlush(ctxcanvas->dc);
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}
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static void cdclear(cdCtxCanvas* ctxcanvas)
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{
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if (ctxcanvas->dc)
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iupdrvDrawRectangle(ctxcanvas->dc, 0, 0, ctxcanvas->canvas->w - 1, ctxcanvas->canvas->h - 1, cdCanvasBackground(ctxcanvas->canvas, CD_QUERY), CD_FILL, 1);
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}
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static int cdfont(cdCtxCanvas *ctxcanvas, const char *type_face, int style, int size)
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{
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int is_italic = 0, is_bold = 0; /* default is CD_PLAIN */
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int is_strikeout = 0, is_underline = 0;
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char font[1024];
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if (style & CD_BOLD)
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is_bold = 1;
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if (style & CD_ITALIC)
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is_italic = 1;
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if (style & CD_UNDERLINE)
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is_underline = 1;
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if (style & CD_STRIKEOUT)
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is_strikeout = 1;
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sprintf(font, "%s, %s%s%s%s%d", type_face, is_bold ? "Bold " : "", is_italic ? "Italic " : "", is_underline ? "Underline " : "", is_strikeout ? "Strikeout " : "", size);
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/* store in native font and manually save font parameters */
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strcpy(ctxcanvas->canvas->native_font, font);
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strcpy(ctxcanvas->canvas->font_type_face, type_face);
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ctxcanvas->canvas->font_style = style;
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ctxcanvas->canvas->font_size = size;
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return 0;
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}
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static void cdgetfontdim(cdCtxCanvas* ctxcanvas, int *max_width, int *line_height, int *ascent, int *descent)
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{
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iupdrvFontGetFontDim(ctxcanvas->canvas->native_font, max_width, line_height, ascent, descent);
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}
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static void cdgettextsize(cdCtxCanvas* ctxcanvas, const char *s, int len, int *width, int *height)
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{
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iupdrvFontGetTextSize(ctxcanvas->canvas->native_font, s, len, width, height);
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}
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static void cdcliparea(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
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{
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if (ctxcanvas->canvas->clip_mode == CD_CLIPAREA)
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iupdrvDrawSetClipRect(ctxcanvas->dc, xmin, ymin, xmax, ymax);
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}
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static int cdclip(cdCtxCanvas *ctxcanvas, int mode)
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{
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if (mode == CD_CLIPAREA)
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iupdrvDrawSetClipRect(ctxcanvas->dc, ctxcanvas->canvas->clip_rect.xmin, ctxcanvas->canvas->clip_rect.ymin, ctxcanvas->canvas->clip_rect.xmax, ctxcanvas->canvas->clip_rect.ymax);
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else if (mode == CD_CLIPOFF)
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iupdrvDrawResetClip(ctxcanvas->dc);
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else if (mode == CD_CLIPPOLYGON || mode == CD_CLIPREGION)
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return ctxcanvas->canvas->clip_mode;
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return mode;
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}
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/******************************************************/
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/* primitives */
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/******************************************************/
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static int cd2iup_linestyle(cdCtxCanvas *ctxcanvas)
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{
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if (ctxcanvas->canvas->line_style == CD_DASHED)
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return IUP_DRAW_STROKE_DASH;
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else if (ctxcanvas->canvas->line_style == CD_DOTTED)
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return IUP_DRAW_STROKE_DOT;
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else if (ctxcanvas->canvas->line_style == CD_DASH_DOT)
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return IUP_DRAW_STROKE_DASH_DOT;
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else if (ctxcanvas->canvas->line_style == CD_DASH_DOT_DOT)
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return IUP_DRAW_STROKE_DASH_DOT_DOT;
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else
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return IUP_DRAW_STROKE;
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}
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static void cdline(cdCtxCanvas *ctxcanvas, int px1, int py1, int px2, int py2)
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{
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if (ctxcanvas->dc)
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iupdrvDrawLine(ctxcanvas->dc, px1, py1, px2, py2, ctxcanvas->canvas->foreground, cd2iup_linestyle(ctxcanvas), ctxcanvas->canvas->line_width);
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}
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static void cdrect(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
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{
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if (ctxcanvas->dc)
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iupdrvDrawRectangle(ctxcanvas->dc, xmin, ymin, xmax, ymax, ctxcanvas->canvas->foreground, cd2iup_linestyle(ctxcanvas), ctxcanvas->canvas->line_width);
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}
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static void cdbox(cdCtxCanvas *ctxcanvas, int xmin, int xmax, int ymin, int ymax)
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{
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if (ctxcanvas->dc)
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iupdrvDrawRectangle(ctxcanvas->dc, xmin, ymin, xmax, ymax, ctxcanvas->canvas->foreground, IUP_DRAW_FILL, ctxcanvas->canvas->line_width);
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}
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static void cdarc(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a1, double a2)
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{
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int rx = w / 2;
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int ry = h / 2;
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int x1 = xc - rx;
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int y1 = yc - ry;
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int x2 = xc + rx;
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int y2 = yc + ry;
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if (ctxcanvas->dc)
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iupdrvDrawArc(ctxcanvas->dc, x1, y1, x2, y2, a1, a2, ctxcanvas->canvas->foreground, cd2iup_linestyle(ctxcanvas), ctxcanvas->canvas->line_width);
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}
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static void cdsector(cdCtxCanvas *ctxcanvas, int xc, int yc, int w, int h, double a1, double a2)
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{
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int rx = w / 2;
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int ry = h / 2;
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int x1 = xc - rx;
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int y1 = yc - ry;
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int x2 = xc + rx;
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int y2 = yc + ry;
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if (ctxcanvas->dc)
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iupdrvDrawArc(ctxcanvas->dc, x1, y1, x2, y2, a1, a2, ctxcanvas->canvas->foreground, IUP_DRAW_FILL, ctxcanvas->canvas->line_width);
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}
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/* TODO: not exported in CD dll yet */
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static void x_cdRotatePoint(cdCanvas* canvas, int x, int y, int cx, int cy, int *rx, int *ry, double sin_theta, double cos_theta)
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{
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double t;
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/* translate to (cx,cy) */
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x = x - cx;
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y = y - cy;
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/* rotate */
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if (canvas->invert_yaxis)
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{
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t = (x * cos_theta) + (y * sin_theta); *rx = _cdRound(t);
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t = -(x * sin_theta) + (y * cos_theta); *ry = _cdRound(t);
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}
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else
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{
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t = (x * cos_theta) - (y * sin_theta); *rx = _cdRound(t);
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t = (x * sin_theta) + (y * cos_theta); *ry = _cdRound(t);
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}
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/* translate back */
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*rx = *rx + cx;
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*ry = *ry + cy;
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}
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static void cdtext(cdCtxCanvas *ctxcanvas, int x, int y, const char *s, int len)
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{
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int w, h, desc;
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int ox = x, oy = y;
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/* cxText method is called for single lines only */
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iupdrvFontGetFontDim(ctxcanvas->canvas->native_font, NULL, NULL, NULL, &desc);
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iupdrvFontGetTextSize(ctxcanvas->canvas->native_font, s, len, &w, &h);
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/* move to top-left corner of the text */
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switch (ctxcanvas->canvas->text_alignment)
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{
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case CD_BASE_RIGHT:
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case CD_NORTH_EAST:
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case CD_EAST:
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case CD_SOUTH_EAST:
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x = x - w;
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break;
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case CD_BASE_CENTER:
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case CD_CENTER:
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case CD_NORTH:
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case CD_SOUTH:
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x = x - w / 2;
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break;
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case CD_BASE_LEFT:
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case CD_NORTH_WEST:
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case CD_WEST:
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case CD_SOUTH_WEST:
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x = x;
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break;
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}
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switch (ctxcanvas->canvas->text_alignment)
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{
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case CD_BASE_LEFT:
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case CD_BASE_CENTER:
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case CD_BASE_RIGHT:
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y = y - h + desc;
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break;
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case CD_SOUTH_EAST:
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case CD_SOUTH_WEST:
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case CD_SOUTH:
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y = y - h;
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break;
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case CD_NORTH_EAST:
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case CD_NORTH:
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case CD_NORTH_WEST:
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y = y;
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break;
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case CD_CENTER:
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case CD_EAST:
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case CD_WEST:
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y = y - h / 2;
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break;
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}
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if (ctxcanvas->canvas->text_orientation)
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{
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double cos_angle = cos(ctxcanvas->canvas->text_orientation*CD_DEG2RAD);
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double sin_angle = sin(ctxcanvas->canvas->text_orientation*CD_DEG2RAD);
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x_cdRotatePoint(ctxcanvas->canvas, x, y, ox, oy, &x, &y, sin_angle, cos_angle);
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}
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if (ctxcanvas->dc)
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iupdrvDrawText(ctxcanvas->dc, s, len, x, y, w, h, ctxcanvas->canvas->foreground, ctxcanvas->canvas->native_font, IUP_DRAW_LEFT, ctxcanvas->canvas->text_orientation); /* left alignment - unused, multiline alignment is done by CD, layout is NOT centered */
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}
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static void cdpoly(cdCtxCanvas *ctxcanvas, int mode, cdPoint* poly, int n)
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{
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int style;
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if (mode == CD_BEZIER)
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{
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/* cdSimPolyBezier(ctxcanvas->canvas, poly, n); TODO: not exported in CD dll yet */
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return;
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}
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if (mode == CD_PATH)
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{
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cdSimPolyPath(ctxcanvas->canvas, poly, n);
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return;
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}
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if (mode == CD_CLIP || mode == CD_REGION)
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return;
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if (mode == CD_CLOSED_LINES || mode == CD_FILL)
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{
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poly[n].x = poly[0].x;
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poly[n].y = poly[0].y;
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n++;
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}
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if (mode == CD_FILL && ctxcanvas->canvas->interior_style == CD_HOLLOW)
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mode = CD_CLOSED_LINES;
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if (mode == CD_FILL)
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style = IUP_DRAW_STROKE;
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else
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style = cd2iup_linestyle(ctxcanvas);
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if (ctxcanvas->dc)
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iupdrvDrawPolygon(ctxcanvas->dc, (int*)poly, n, ctxcanvas->canvas->foreground, style, ctxcanvas->canvas->line_width);
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}
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/******************************************************/
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/* client images */
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/******************************************************/
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static void sFixImageY(int *y, int h)
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{
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*y -= (h - 1); /* move Y to top-left corner, since it was at the bottom of the image */
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}
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static void cdputimagerectrgba(cdCtxCanvas* ctxcanvas, int width, int height, const unsigned char *red,
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const unsigned char *green, const unsigned char *blue, const unsigned char *alpha, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
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{
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int i, j, count;
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Ihandle *image;
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int pos;
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unsigned char *rgba;
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int dy = y;
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int nw, nh;
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sFixImageY(&dy, height);
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nw = xmax - xmin + 1;
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nh = ymax - ymin + 1;
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image = IupImageRGBA(nw, nh, NULL);
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IupSetHandle("_IUPDRAW_CD_IMAGE", image);
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rgba = (unsigned char*)IupGetAttribute(image, "WID");
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count = 0;
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for (i = ymin; i <= ymax; i++)
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{
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for (j = xmin; j <= xmax; j++)
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{
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pos = (ymax + ymin - i)*width + j;
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rgba[count++] = red[pos];
|
||
|
|
rgba[count++] = green[pos];
|
||
|
|
rgba[count++] = blue[pos];
|
||
|
|
rgba[count++] = alpha[pos];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ctxcanvas->dc)
|
||
|
|
iupdrvDrawImage(ctxcanvas->dc, "_IUPDRAW_CD_IMAGE", 0, NULL, x, dy, w, h);
|
||
|
|
|
||
|
|
IupDestroy(image);
|
||
|
|
IupSetHandle("_IUPDRAW_CD_IMAGE", NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void cdputimagerectrgb(cdCtxCanvas* ctxcanvas, int width, int height, const unsigned char *red,
|
||
|
|
const unsigned char *green, const unsigned char *blue, int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
|
||
|
|
{
|
||
|
|
int i, j, count;
|
||
|
|
Ihandle *image;
|
||
|
|
int pos;
|
||
|
|
unsigned char *rgb;
|
||
|
|
int dy = y;
|
||
|
|
int nw, nh;
|
||
|
|
|
||
|
|
sFixImageY(&dy, height);
|
||
|
|
|
||
|
|
nw = xmax - xmin + 1;
|
||
|
|
nh = ymax - ymin + 1;
|
||
|
|
|
||
|
|
image = IupImageRGB(nw, nh, NULL);
|
||
|
|
IupSetHandle("_IUPDRAW_CD_IMAGE", image);
|
||
|
|
rgb = (unsigned char*)IupGetAttribute(image, "WID");
|
||
|
|
|
||
|
|
count = 0;
|
||
|
|
for (i = ymin; i <= ymax; i++)
|
||
|
|
{
|
||
|
|
for (j = xmin; j <= xmax; j++)
|
||
|
|
{
|
||
|
|
pos = (ymax + ymin - i)*width + j;
|
||
|
|
|
||
|
|
rgb[count++] = red[pos];
|
||
|
|
rgb[count++] = green[pos];
|
||
|
|
rgb[count++] = blue[pos];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ctxcanvas->dc)
|
||
|
|
iupdrvDrawImage(ctxcanvas->dc, "_IUPDRAW_CD_IMAGE", 0, NULL, x, dy, w, h);
|
||
|
|
|
||
|
|
IupDestroy(image);
|
||
|
|
IupSetHandle("_IUPDRAW_CD_IMAGE", NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void cdputimagerectmap(cdCtxCanvas *ctxcanvas, int iw, int ih, const unsigned char *index, const long *colors,
|
||
|
|
int x, int y, int w, int h, int xmin, int xmax, int ymin, int ymax)
|
||
|
|
{
|
||
|
|
int i, j, count;
|
||
|
|
int pos;
|
||
|
|
Ihandle *image;
|
||
|
|
unsigned char *map;
|
||
|
|
int dy = y;
|
||
|
|
char name[60];
|
||
|
|
int nh, nw;
|
||
|
|
|
||
|
|
sFixImageY(&dy, ih);
|
||
|
|
|
||
|
|
nw = xmax - xmin + 1;
|
||
|
|
nh = ymax - ymin + 1;
|
||
|
|
|
||
|
|
image = IupImage(nw, nh, NULL);
|
||
|
|
IupSetHandle("_IUPDRAW_CD_IMAGE", image);
|
||
|
|
map = (unsigned char*)IupGetAttribute(image, "WID");
|
||
|
|
|
||
|
|
for (i = 0; i < 256; i++)
|
||
|
|
{
|
||
|
|
sprintf(name, "%d", i);
|
||
|
|
IupSetRGB(image, name, cdRed(colors[i]), cdGreen(colors[i]), cdBlue(colors[i]));
|
||
|
|
}
|
||
|
|
|
||
|
|
count = 0;
|
||
|
|
for (i = ymin; i <= ymax; i++)
|
||
|
|
{
|
||
|
|
for (j = xmin; j <= xmax; j++)
|
||
|
|
{
|
||
|
|
pos = (ymax + ymin - i)*iw + j;
|
||
|
|
|
||
|
|
map[count++] = index[pos];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ctxcanvas->dc)
|
||
|
|
iupdrvDrawImage(ctxcanvas->dc, "_IUPDRAW_CD_IMAGE", 0, NULL, x, dy, w, h);
|
||
|
|
|
||
|
|
IupDestroy(image);
|
||
|
|
IupSetHandle("_IUPDRAW_CD_IMAGE", NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
/******************************************************/
|
||
|
|
/* server images */
|
||
|
|
/******************************************************/
|
||
|
|
|
||
|
|
|
||
|
|
static void cdpixel(cdCtxCanvas *ctxcanvas, int x, int y, long color)
|
||
|
|
{
|
||
|
|
if (ctxcanvas->dc)
|
||
|
|
iupdrvDrawArc(ctxcanvas->dc, x, y, x, y, 0.0, 360.0, color, CD_FILL, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void cdcreatecanvas(cdCanvas* canvas, Ihandle *ih)
|
||
|
|
{
|
||
|
|
cdCtxCanvas *ctxcanvas;
|
||
|
|
|
||
|
|
ctxcanvas = (cdCtxCanvas *)malloc(sizeof(cdCtxCanvas));
|
||
|
|
memset(ctxcanvas, 0, sizeof(cdCtxCanvas));
|
||
|
|
|
||
|
|
ctxcanvas->canvas = canvas;
|
||
|
|
ctxcanvas->ih = ih;
|
||
|
|
canvas->ctxcanvas = ctxcanvas;
|
||
|
|
|
||
|
|
ctxcanvas->canvas->bpp = IupGetInt(NULL, "SCREENDEPTH");
|
||
|
|
ctxcanvas->canvas->xres = IupGetDouble(NULL, "SCREENDPI") / 25.4;
|
||
|
|
ctxcanvas->canvas->yres = ctxcanvas->canvas->xres;
|
||
|
|
|
||
|
|
IupSetAttribute(ih, "_CD_CANVAS", (char*)canvas);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void cdinittable(cdCanvas* canvas)
|
||
|
|
{
|
||
|
|
/* initialize function table*/
|
||
|
|
canvas->cxFlush = cdflush;
|
||
|
|
canvas->cxClear = cdclear;
|
||
|
|
canvas->cxPixel = cdpixel;
|
||
|
|
canvas->cxLine = cdline;
|
||
|
|
canvas->cxPoly = cdpoly;
|
||
|
|
canvas->cxRect = cdrect;
|
||
|
|
canvas->cxBox = cdbox;
|
||
|
|
canvas->cxArc = cdarc;
|
||
|
|
canvas->cxSector = cdsector;
|
||
|
|
canvas->cxChord = cdSimChord;
|
||
|
|
canvas->cxText = cdtext;
|
||
|
|
canvas->cxPutImageRectRGBA = cdputimagerectrgba;
|
||
|
|
canvas->cxPutImageRectRGB = cdputimagerectrgb;
|
||
|
|
canvas->cxPutImageRectMap = cdputimagerectmap;
|
||
|
|
|
||
|
|
canvas->cxClip = cdclip;
|
||
|
|
canvas->cxClipArea = cdcliparea;
|
||
|
|
canvas->cxFont = cdfont;
|
||
|
|
canvas->cxGetFontDim = cdgetfontdim;
|
||
|
|
canvas->cxGetTextSize = cdgettextsize;
|
||
|
|
|
||
|
|
canvas->cxKillCanvas = cdkillcanvas;
|
||
|
|
canvas->cxActivate = cdactivate;
|
||
|
|
}
|
||
|
|
|
||
|
|
/******************************************************/
|
||
|
|
|
||
|
|
static cdContext cdIupDrawContext =
|
||
|
|
{
|
||
|
|
CD_CAP_ALL & ~(CD_CAP_PLAY | CD_CAP_YAXIS | CD_CAP_FPRIMTIVES | CD_CAP_GETIMAGERGB |
|
||
|
|
CD_CAP_IMAGESRV | CD_CAP_BACKOPACITY | CD_CAP_WRITEMODE | CD_CAP_HATCH | CD_CAP_STIPPLE | CD_CAP_PATTERN |
|
||
|
|
CD_CAP_LINECAP | CD_CAP_LINEJOIN | CD_CAP_PATH | CD_CAP_BEZIER |
|
||
|
|
CD_CAP_PALETTE | CD_CAP_CLIPPOLY | CD_CAP_REGION | CD_CAP_CHORD),
|
||
|
|
CD_CTX_WINDOW,
|
||
|
|
cdcreatecanvas,
|
||
|
|
cdinittable,
|
||
|
|
NULL,
|
||
|
|
NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
cdContext* cdContextIupDraw(void)
|
||
|
|
{
|
||
|
|
return &cdIupDrawContext;
|
||
|
|
}
|