X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fdevices%2Frescale.c;h=350dfd2b849bf498ba87eb070ba9d790df954bd8;hb=7fb4a4ac393f19a0b8a8998a2f1deac88c97eda0;hp=e8943f18576c60bfd60afe837436bba50e52b522;hpb=97e6eca8930a59e8aca0e23faccba3fc43b457fc;p=swftools.git diff --git a/lib/devices/rescale.c b/lib/devices/rescale.c index e8943f1..350dfd2 100644 --- a/lib/devices/rescale.c +++ b/lib/devices/rescale.c @@ -21,9 +21,13 @@ #include #include #include +#ifndef WIN32 #include +#endif #include #include +#include +#include "rescale.h" #include "../types.h" #include "../mem.h" #include "../gfxdevice.h" @@ -50,7 +54,7 @@ static void dbg(char*format, ...) int l; va_list arglist; va_start(arglist, format); - vsprintf(buf, format, arglist); + vsnprintf(buf, sizeof(buf)-1, format, arglist); va_end(arglist); l = strlen(buf); while(l && buf[l-1]=='\n') { @@ -117,7 +121,19 @@ int rescale_setparameter(gfxdevice_t*dev, const char*key, const char*value) if(!strcmp(key, "keepratio")) { i->keepratio = atoi(value); return 1; - } else return i->out->setparameter(i->out,key,value); + } else if(!strcmp(key, "centerx")) { + i->centerx = atoi(value); + return 1; + } else if(!strcmp(key, "centery")) { + i->centery = atoi(value); + return 1; + } else { + if(i->out) { + return i->out->setparameter(i->out,key,value); + } else { + return 0; + } + } } void rescale_startpage(gfxdevice_t*dev, int width, int height) @@ -127,29 +143,40 @@ void rescale_startpage(gfxdevice_t*dev, int width, int height) i->origwidth = width; i->origheight = height; - if(i->keepratio) { - double rx = (double)i->targetwidth / (double)width; - double ry = (double)i->targetheight / (double)height; - if(rxmatrix.m00 = rx; - i->matrix.m11 = rx; - i->matrix.tx = 0; - if(i->centery) { - i->matrix.ty = (i->targetheight - height*rx) / 2; + if(i->targetwidth || i->targetheight) { + int targetwidth = i->targetwidth; + if(!targetwidth) + targetwidth = width*i->targetheight/height; + int targetheight = i->targetheight; + if(!targetheight) + targetheight = height*i->targetwidth/width; + if(i->keepratio) { + double rx = (double)targetwidth / (double)width; + double ry = (double)targetheight / (double)height; + if(rxmatrix.m00 = rx; + i->matrix.m11 = rx; + i->matrix.tx = 0; + if(i->centery) { + i->matrix.ty = (targetheight - height*rx) / 2; + } + } else { + i->matrix.m00 = ry; + i->matrix.m11 = ry; + if(i->centerx) { + i->matrix.tx = (targetwidth - width*ry) / 2; + } + i->matrix.ty = 0; } } else { - i->matrix.m00 = ry; - i->matrix.m11 = ry; - if(i->centerx) { - i->matrix.tx = (i->targetwidth - width*ry) / 2; - } - i->matrix.ty = 0; + i->matrix.m00 = (double)targetwidth / (double)width; + i->matrix.m11 = (double)targetheight / (double)height; } + i->zoomwidth = sqrt(i->matrix.m00*i->matrix.m11); + i->out->startpage(i->out,targetwidth,targetheight); } else { - i->matrix.m00 = (double)i->targetwidth / (double)width; - i->matrix.m11 = (double)i->targetheight / (double)height; + i->out->startpage(i->out,(int)(width*i->matrix.m00),(int)(height*i->matrix.m11)); } - i->out->startpage(i->out,i->targetwidth,i->targetheight); } void rescale_startclip(gfxdevice_t*dev, gfxline_t*line) @@ -196,7 +223,7 @@ void rescale_fillgradient(gfxdevice_t*dev, gfxline_t*line, gfxgradient_t*gradien { internal_t*i = (internal_t*)dev->internal; gfxline_t*line2 = transformgfxline(i, line); - i->out->fillgradient(i->out, line, gradient, type, matrix); + i->out->fillgradient(i->out, line2, gradient, type, matrix); gfxline_free(line2); } @@ -214,11 +241,11 @@ void rescale_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*c i->out->drawchar(i->out, font, glyphnr, color, &m2); } -void rescale_drawlink(gfxdevice_t*dev, gfxline_t*line, char*action) +void rescale_drawlink(gfxdevice_t*dev, gfxline_t*line, const char*action) { internal_t*i = (internal_t*)dev->internal; gfxline_t*line2 = transformgfxline(i, line); - i->out->drawlink(i->out, line, action); + i->out->drawlink(i->out, line2, action); gfxline_free(line2); } @@ -233,10 +260,14 @@ gfxresult_t* rescale_finish(gfxdevice_t*dev) internal_t*i = (internal_t*)dev->internal; gfxdevice_t*out = i->out; free(dev->internal);dev->internal = 0;i=0; - return out->finish(out); + if(out) { + return out->finish(out); + } else { + return 0; + } } -void gfxdevice_rescale_init(gfxdevice_t*dev, gfxdevice_t*out, int width, int height) +void gfxdevice_rescale_init(gfxdevice_t*dev, gfxdevice_t*out, int width, int height, double scale) { internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t)); memset(dev, 0, sizeof(gfxdevice_t)); @@ -264,7 +295,46 @@ void gfxdevice_rescale_init(gfxdevice_t*dev, gfxdevice_t*out, int width, int hei i->targetheight = height; i->zoomwidth = 1.0; i->centerx = 1; + + i->matrix.m00 = scale; + i->matrix.m01 = 0; + i->matrix.m11 = scale; + i->matrix.m10 = 0; + i->matrix.tx = 0; + i->matrix.ty = 0; + i->zoomwidth = scale; i->out = out; } +void gfxdevice_rescale_setzoom(gfxdevice_t*dev, double scale) +{ + internal_t*i = (internal_t*)dev->internal; + if(strcmp(dev->name, "rescale")) { + fprintf(stderr, "Internal error: can't cast device %s to a rescale device\n", dev->name); + return; + } + i->matrix.m00 = scale; + i->matrix.m01 = 0; + i->matrix.m11 = scale; + i->matrix.m10 = 0; + i->matrix.tx = 0; + i->matrix.ty = 0; + i->zoomwidth = scale; +} +void gfxdevice_rescale_setdevice(gfxdevice_t*dev, gfxdevice_t*out) +{ + internal_t*i = (internal_t*)dev->internal; + if(strcmp(dev->name, "rescale")) { + fprintf(stderr, "Internal error: can't cast device %s to a rescale device\n", dev->name); + return; + } + i->out = out; +} + +gfxdevice_t* gfxdevice_rescale_new(gfxdevice_t*out, int width, int height, double scale) +{ + gfxdevice_t* d = (gfxdevice_t*)malloc(sizeof(gfxdevice_t)); + gfxdevice_rescale_init(d, out, width, height, scale); + return d; +}