336 lines
9.1 KiB
C
336 lines
9.1 KiB
C
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/** \file
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* \brief cdiuputil. CD and IUP utilities for the IupControls
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*
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* See Copyright Notice in "iup.h"
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*/
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#include <stdlib.h>
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#include <stdarg.h>
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#include <memory.h>
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#include <cd.h>
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#include "iup.h"
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#include "iup_attrib.h"
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#include "iup_str.h"
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#include "iup_drv.h"
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#include "iup_image.h"
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#include "iup_cdutil.h"
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long cdIupConvertColor(const char *color)
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{
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unsigned char r, g, b;
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if (iupStrToRGB(color, &r, &g, &b))
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return cdEncodeColor(r, g, b);
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else
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return 0;
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}
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void cdIupCalcShadows(long bgcolor, long *light_shadow, long *mid_shadow, long *dark_shadow)
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{
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int r, bg_r = cdRed(bgcolor);
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int g, bg_g = cdGreen(bgcolor);
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int b, bg_b = cdBlue(bgcolor);
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/* light_shadow */
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int max = bg_r;
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if (bg_g > max) max = bg_g;
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if (bg_b > max) max = bg_b;
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if (255-max < 64)
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{
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r = 255;
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g = 255;
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b = 255;
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}
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else
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{
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/* preserve some color information */
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if (bg_r == max) r = 255;
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else r = bg_r + (255-max);
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if (bg_g == max) g = 255;
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else g = bg_g + (255-max);
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if (bg_b == max) b = 255;
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else b = bg_b + (255-max);
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}
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if (light_shadow) *light_shadow = cdEncodeColor((unsigned char)r, (unsigned char)g, (unsigned char)b);
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/* dark_shadow */
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r = bg_r - 128;
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g = bg_g - 128;
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b = bg_b - 128;
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if (r < 0) r = 0;
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if (g < 0) g = 0;
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if (b < 0) b = 0;
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if (dark_shadow) *dark_shadow = cdEncodeColor((unsigned char)r, (unsigned char)g, (unsigned char)b);
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/* mid_shadow = (dark_shadow+bgcolor)/2 */
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if (mid_shadow) *mid_shadow = cdEncodeColor((unsigned char)((bg_r+r)/2), (unsigned char)((bg_g+g)/2), (unsigned char)((bg_b+b)/2));
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}
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void cdIupDrawSunkenRect(cdCanvas *canvas, int x1, int y1, int x2, int y2, long light_shadow, long mid_shadow, long dark_shadow)
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{
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cdCanvasForeground(canvas, mid_shadow);
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cdCanvasLine(canvas, x1, y1+1, x1, y2);
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cdCanvasLine(canvas, x1, y2, x2-1, y2);
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cdCanvasForeground(canvas, dark_shadow);
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cdCanvasLine(canvas, x1+1, y1+2, x1+1, y2-1);
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cdCanvasLine(canvas, x1+1, y2-1, x2-2, y2-1);
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cdCanvasForeground(canvas, light_shadow);
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cdCanvasLine(canvas, x1, y1, x2, y1);
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cdCanvasLine(canvas, x2, y1, x2, y2);
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}
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void cdIupDrawRaiseRect(cdCanvas *canvas, int x1, int y1, int x2, int y2, long light_shadow, long mid_shadow, long dark_shadow)
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{
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cdCanvasForeground(canvas, light_shadow);
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cdCanvasLine(canvas, x1, y1+1, x1, y2);
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cdCanvasLine(canvas, x1, y2, x2-1, y2);
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cdCanvasForeground(canvas, dark_shadow);
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cdCanvasLine(canvas, x1, y1, x2, y1);
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cdCanvasLine(canvas, x2, y1, x2, y2);
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cdCanvasForeground(canvas, mid_shadow);
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cdCanvasLine(canvas, x1+1, y1+1, x2-1, y1+1);
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cdCanvasLine(canvas, x2-1, y1+2, x2-1, y2-1);
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}
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void cdIupDrawVertSunkenMark(cdCanvas *canvas, int x, int y1, int y2, long light_shadow, long dark_shadow)
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{
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cdCanvasForeground(canvas, dark_shadow);
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cdCanvasLine(canvas, x-1, y1, x-1, y2);
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cdCanvasForeground(canvas, light_shadow);
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cdCanvasLine(canvas, x, y1, x, y2);
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}
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void cdIupDrawHorizSunkenMark(cdCanvas *canvas, int x1, int x2, int y, long light_shadow, long dark_shadow)
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{
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cdCanvasForeground(canvas, dark_shadow);
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cdCanvasLine(canvas, x1, y+1, x2, y+1);
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cdCanvasForeground(canvas, light_shadow);
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cdCanvasLine(canvas, x1, y, x2, y);
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}
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/************************************************************************/
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static void iUtilInitPalette(Ihandle* image, long* palette, long bgcolor, int make_inactive)
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{
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int i;
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unsigned char r, g, b, bg_r, bg_g, bg_b;
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cdDecodeColor(bgcolor, &bg_r, &bg_g, &bg_b);
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for(i = 0; i < 256; i++)
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{
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char* color = IupGetAttributeId(image, "", i);
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r = bg_r; g = bg_g; b = bg_b;
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iupStrToRGB(color, &r, &g, &b); /* no need to test for BGCOLOR, if this failed it will not set the parameters */
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if (make_inactive)
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iupImageColorMakeInactive(&r, &g, &b, bg_r, bg_g, bg_b);
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palette[i] = cdEncodeColor(r, g, b);
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}
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}
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static unsigned char* iUtilBuildImageBuffer(Ihandle *image, int width, int height, int depth, int make_inactive, long bgcolor)
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{
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int size, plane_size, i, j;
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unsigned char bg_r, bg_g, bg_b;
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unsigned char* image_buffer;
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/* images from stock or resources are not supported */
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unsigned char* data = (unsigned char*)IupGetAttribute(image, "WID");
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if (!data)
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return NULL;
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plane_size = width*height;
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size = plane_size*depth;
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image_buffer = malloc(size);
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if (!image_buffer)
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return NULL;
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cdDecodeColor(bgcolor, &bg_r, &bg_g, &bg_b);
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/* IUP image is top-down, CD image is bottom up */
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if (depth==1)
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{
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/* inactive will be set at the palette */
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for (i=0; i<height; i++)
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memcpy(image_buffer + i*width, data + (height-1 - i)*width, width);
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}
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else if (depth==3)
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{
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int pos;
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unsigned char r, g, b;
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unsigned char *dst_r = image_buffer + 0*plane_size;
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unsigned char *dst_g = image_buffer + 1*plane_size;
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unsigned char *dst_b = image_buffer + 2*plane_size;
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for (i=0; i<height; i++)
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{
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int line_offset = i*width;
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unsigned char *line_r = dst_r + line_offset;
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unsigned char *line_g = dst_g + line_offset;
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unsigned char *line_b = dst_b + line_offset;
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unsigned char *src_rgb = data + (height-1 - i)*(3*width);
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for (j=0; j<width; j++)
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{
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pos = j*3;
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r = src_rgb[pos+0];
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g = src_rgb[pos+1];
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b = src_rgb[pos+2];
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if (make_inactive)
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iupImageColorMakeInactive(&r, &g, &b, bg_r, bg_g, bg_b);
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line_r[j] = r;
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line_g[j] = g;
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line_b[j] = b;
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}
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}
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}
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else /* depth==4 */
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{
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int pos;
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unsigned char r, g, b, a;
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unsigned char *dst_r = image_buffer + 0*plane_size;
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unsigned char *dst_g = image_buffer + 1*plane_size;
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unsigned char *dst_b = image_buffer + 2*plane_size;
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unsigned char *dst_a = image_buffer + 3*plane_size;
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for (i=0; i<height; i++)
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{
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int line_offset = i*width;
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unsigned char *line_r = dst_r + line_offset;
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unsigned char *line_g = dst_g + line_offset;
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unsigned char *line_b = dst_b + line_offset;
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unsigned char *line_a = dst_a + line_offset;
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unsigned char *src_rgba = data + (height-1 - i)*(4*width);
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for (j=0; j<width; j++)
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{
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pos = j*4;
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r = src_rgba[pos+0];
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g = src_rgba[pos+1];
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b = src_rgba[pos+2];
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a = src_rgba[pos+3];
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if (make_inactive)
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iupImageColorMakeInactive(&r, &g, &b, bg_r, bg_g, bg_b);
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line_r[j] = r;
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line_g[j] = g;
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line_b[j] = b;
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line_a[j] = a;
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}
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}
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}
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return image_buffer;
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}
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void cdIupDrawImage(cdCanvas *canvas, Ihandle *image, int x, int y, int w, int h, int make_inactive, long bgcolor)
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{
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int plane_size, depth;
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int width = IupGetInt(image, "WIDTH");
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int height = IupGetInt(image, "HEIGHT");
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int bpp = IupGetInt(image, "BPP");
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unsigned char* image_buffer;
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depth = 1;
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if (bpp==24)
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depth = 3;
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else if (bpp==32)
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depth = 4;
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if (w == 0) w = width;
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if (h == 0) h = height;
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/* The buffer will be destroyed in IupImage unmap */
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if (depth!=1 && make_inactive)
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image_buffer = (unsigned char*)iupAttribGet(image, "_IUPIMAGE_BUFFER_INACTIVE");
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else
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image_buffer = (unsigned char*)iupAttribGet(image, "_IUPIMAGE_BUFFER");
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if (!image_buffer)
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{
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image_buffer = iUtilBuildImageBuffer(image, width, height, depth, make_inactive, bgcolor);
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if (depth!=1 && make_inactive)
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iupAttribSet(image, "_IUPIMAGE_BUFFER_INACTIVE", (char*)image_buffer);
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else
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iupAttribSet(image, "_IUPIMAGE_BUFFER", (char*)image_buffer);
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}
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if (!image_buffer)
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return;
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plane_size = width*height;
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if (depth==1)
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{
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long palette[256];
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iUtilInitPalette(image, palette, bgcolor, make_inactive);
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cdCanvasPutImageRectMap(canvas, width, height,
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image_buffer, palette,
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x, y, w, h, 0, 0, 0, 0);
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}
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else if (depth==3)
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{
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cdCanvasPutImageRectRGB(canvas, width, height,
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image_buffer + 0*plane_size,
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image_buffer + 1*plane_size,
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image_buffer + 2*plane_size,
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x, y, w, h, 0, 0, 0, 0);
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}
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else /* depth==4 */
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{
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cdCanvasPutImageRectRGBA(canvas, width, height,
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image_buffer + 0*plane_size,
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image_buffer + 1*plane_size,
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image_buffer + 2*plane_size,
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image_buffer + 3*plane_size,
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x, y, w, h, 0, 0, 0, 0);
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}
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}
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/************************************************************************/
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void IupCdSetFont(Ihandle* ih, cdCanvas *canvas, const char* font)
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{
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char* lastfont = iupAttribGetStr(ih, "_IUPCD_LASTFONT");
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if (!lastfont || !iupStrEqual(lastfont, font))
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{
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iupAttribSetStr(ih, "_IUPCD_LASTFONT", font);
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cdCanvasNativeFont(canvas, font);
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}
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}
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void cdIupDrawFocusRect(cdCanvas *canvas, int x1, int y1, int x2, int y2)
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{
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int style = cdCanvasLineStyle(canvas, CD_QUERY);
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long foreground = cdCanvasForeground(canvas, CD_QUERY);
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cdCanvasLineStyle(canvas, CD_DOTTED);
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cdCanvasForeground(canvas, CD_BLACK);
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cdCanvasRect(canvas, x1, x2, y1, y2);
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cdCanvasLineStyle(canvas, style);
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cdCanvasForeground(canvas, foreground);
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}
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