adam/cobm
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Removed rotozoom; new sprite-scaler does not touch the heap

Browse Source 
git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@870 8092fc87-c524-0410-9efc-e669fe64eaf9
This commit is contained in:
mcmartin
2003-03-08 14:40:55 +00:00
parent df9a72bb49
commit b914bc4070
11 changed files with 178 additions and 1094 deletions
Download Patch File Download Diff File Expand all files Collapse all files
sc2/ChangeLog
+1
View File
@@ -1,4 +1,5 @@
Changes towards version 0.3:
- Scaled images no longer allocate/free memory all the time -McMartin
- Planet spin on lander launch/return is now enabled -PhracturedBlue
- Fix skipping after planet scan, landing (closes bug 31) -PhracturedBlue
- Decelerate when entering orbit to give a smoother effect -PhracturedBlue
sc2/src/sc2code/libs/graphics/sdl/3do_blt.c
-1
View File
@@ -19,7 +19,6 @@
#ifdef GFXMODULE_SDL
#include "sdl_common.h"
#include "rotozoom.h"
#include "graphics/tfb_draw.h"
#define GSCALE_SHIFT 2 // controls the number of scale steps
sc2/src/sc2code/libs/graphics/sdl/3do_getbody.c
+7 -10
View File
@@ -25,7 +25,6 @@
#include "sdl_common.h"
#include "primitives.h"
#include "rotozoom.h"
typedef struct anidata
{
@@ -138,7 +137,8 @@ FRAMEPTR stretch_frame (FRAMEPTR FramePtr, int neww, int newh, int destroy)
FRAMEPTR NewFrame;
UBYTE type;
TFB_Image *tfbImg;
SDL_Surface *src, *dst;
TFB_Canvas src, dst;
EXTENT ext;
type = (UBYTE)TYPE_GET (GetFrameParentDrawable (FramePtr)
->FlagsAndIndex) >> FTYPE_SHIFT;
NewFrame = CaptureDrawable (
@@ -146,14 +146,11 @@ FRAMEPTR stretch_frame (FRAMEPTR FramePtr, int neww, int newh, int destroy)
);
tfbImg = FramePtr->image;
LockMutex (tfbImg->mutex);
src = (SDL_Surface *)tfbImg->NormalImg;
dst = (SDL_Surface *)NewFrame->image->NormalImg;
SDL_LockSurface (src);
SDL_LockSurface (dst);
zoomSurfaceRGBA(src, dst, 0);
SDL_UnlockSurface (dst);
SDL_UnlockSurface (src);
src = tfbImg->NormalImg;
dst = NewFrame->image->NormalImg;
ext.width = neww;
ext.height = newh;
TFB_DrawCanvas_Rescale (src, dst, ext);
UnlockMutex (tfbImg->mutex);
if (destroy)
DestroyDrawable (ReleaseDrawable (FramePtr));
sc2/src/sc2code/libs/graphics/sdl/Makeinfo
+1 -1
View File
@@ -1,3 +1,3 @@
uqm_CFILES="3do_blt.c 3do_funcs.c 3do_getbody.c dcqueue.c opengl.c
primitives.c pure.c rndzoom.c rotozoom.c sdl_common.c
primitives.c pure.c rndzoom.c sdl_common.c
canvas.c bbox.c 2xscalers.c"
sc2/src/sc2code/libs/graphics/sdl/canvas.c
+146 -26
View File
@@ -3,7 +3,6 @@
#include "libs/graphics/gfx_common.h"
#include "libs/graphics/sdl/primitives.h"
#include "libs/graphics/tfb_draw.h"
#include "rotozoom.h"
typedef SDL_Surface *NativeCanvas;
@@ -36,7 +35,7 @@ TFB_DrawCanvas_Rect (PRECT rect, int r, int g, int b, TFB_Canvas target)
void
TFB_DrawCanvas_Image (TFB_Image *img, int x, int y, int scale, TFB_Palette *palette, TFB_Canvas target)
{
SDL_Rect targetRect;
SDL_Rect srcRect, targetRect, *pSrcRect;
SDL_Surface *surf;
if (img == 0)
@@ -53,9 +52,17 @@ TFB_DrawCanvas_Image (TFB_Image *img, int x, int y, int scale, TFB_Palette *pale
{
TFB_DrawImage_FixScaling (img, scale);
surf = img->ScaledImg;
srcRect.x = 0;
srcRect.y = 0;
srcRect.w = img->extent.width;
srcRect.h = img->extent.height;
pSrcRect = &srcRect;
}
else
{
surf = img->NormalImg;
pSrcRect = NULL;
}
if (surf->format->palette)
{
@@ -69,14 +76,14 @@ TFB_DrawCanvas_Image (TFB_Image *img, int x, int y, int scale, TFB_Palette *pale
}
}
SDL_BlitSurface(surf, NULL, (NativeCanvas) target, &targetRect);
SDL_BlitSurface(surf, pSrcRect, (NativeCanvas) target, &targetRect);
UnlockMutex (img->mutex);
}
void
TFB_DrawCanvas_FilledImage (TFB_Image *img, int x, int y, int scale, int r, int g, int b, TFB_Canvas target)
{
SDL_Rect targetRect;
SDL_Rect srcRect, targetRect, *pSrcRect;
SDL_Surface *surf;
int i;
SDL_Color pal[256];
@@ -96,9 +103,17 @@ TFB_DrawCanvas_FilledImage (TFB_Image *img, int x, int y, int scale, int r, int
{
TFB_DrawImage_FixScaling (img, scale);
surf = img->ScaledImg;
srcRect.x = 0;
srcRect.y = 0;
srcRect.w = img->extent.width;
srcRect.h = img->extent.height;
pSrcRect = &srcRect;
}
else
{
surf = img->NormalImg;
pSrcRect = NULL;
}
for (i = 0; i < 256; i++)
{
@@ -108,7 +123,7 @@ TFB_DrawCanvas_FilledImage (TFB_Image *img, int x, int y, int scale, int r, int
}
SDL_SetColors (surf, pal, 0, 256);
SDL_BlitSurface(surf, NULL, (NativeCanvas) target, &targetRect);
SDL_BlitSurface(surf, pSrcRect, (NativeCanvas) target, &targetRect);
UnlockMutex (img->mutex);
}
@@ -147,6 +162,26 @@ TFB_DrawCanvas_New_Paletted (int w, int h, TFB_Palette *palette, int transparent
return new_surf;
}
#define TFB_SCALETARGET_FACTOR 4
TFB_Canvas
TFB_DrawCanvas_New_ScaleTarget (TFB_Canvas canvas)
{
SDL_Surface *src = (SDL_Surface *)canvas;
SDL_Surface *newsurf = SDL_CreateRGBSurface (SDL_SWSURFACE, src->w * TFB_SCALETARGET_FACTOR,
src->h * TFB_SCALETARGET_FACTOR,
src->format->BitsPerPixel,
src->format->Rmask,
src->format->Gmask,
src->format->Bmask,
src->format->Amask);
if (src->format->palette)
{
TFB_DrawCanvas_SetTransparentIndex (newsurf, TFB_DrawCanvas_GetTransparentIndex (src));
}
return newsurf;
}
void
TFB_DrawCanvas_Delete (TFB_Canvas canvas)
{
@@ -201,27 +236,6 @@ TFB_DrawCanvas_ToScreenFormat (TFB_Canvas canvas)
return canvas;
}
TFB_Canvas
TFB_DrawCanvas_New_Scaled (TFB_Canvas src, int scale)
{
SDL_Surface *new_surf;
new_surf = zoomSurface ((SDL_Surface *)src, scale / (float)GetGraphicScaleIdentity (),
scale / (float)GetGraphicScaleIdentity (), SMOOTHING_OFF);
if (new_surf)
{
if (!TFB_DrawCanvas_IsPaletted (new_surf))
{
new_surf = TFB_DrawCanvas_ToScreenFormat (new_surf);
}
return new_surf;
}
fprintf (stderr, "TFB_DrawCanvas_New_Scaled failed\n");
return NULL;
}
BOOLEAN
TFB_DrawCanvas_IsPaletted (TFB_Canvas canvas)
{
@@ -254,3 +268,109 @@ TFB_DrawCanvas_SetTransparentIndex (TFB_Canvas canvas, int index)
SDL_SetColorKey ((SDL_Surface *)canvas, 0, 0);
}
}
void
TFB_DrawCanvas_GetScaledExtent (TFB_Canvas src_canvas, int scale, PEXTENT size)
{
SDL_Surface *src = (SDL_Surface *)src_canvas;
size->width = (int) (src->w * scale / (float)GetGraphicScaleIdentity ());
size->height = (int) (src->h * scale / (float)GetGraphicScaleIdentity ());
}
void
TFB_DrawCanvas_Rescale (TFB_Canvas src_canvas, TFB_Canvas dest_canvas, EXTENT size)
{
SDL_Surface *src = (SDL_Surface *)src_canvas;
SDL_Surface *dst = (SDL_Surface *)dest_canvas;
int x, y, sx, sy, *csax, *csay, csx, csy;
int sax[321], say[241];
if (size.width > 320 || size.height > 240)
{
fprintf (stderr, "TFB_DrawCanvas_Scale: Tried to zoom an image to be larger than the screen! Failing.\n");
return;
}
sx = (int) (65536.0 * (float) src->w / (float) size.width);
sy = (int) (65536.0 * (float) src->h / (float) size.height);
/*
* Precalculate row increments
*/
csx = 0;
csax = sax;
for (x = 0; x <= dst->w; x++) {
*csax = csx >> 16;
csax++;
csx &= 0xffff;
csx += sx;
}
csy = 0;
csay = say;
for (y = 0; y <= dst->h; y++) {
*csay = csy >> 16;
csay++;
csy &= 0xffff;
csy += sy;
}
SDL_LockSurface (src);
SDL_LockSurface (dst);
if (src->format->BytesPerPixel == 1 && dst->format->BytesPerPixel == 1)
{
Uint8 *sp, *csp, *dp, *cdp;
sp = csp = (Uint8 *) src->pixels;
dp = cdp = (Uint8 *) dst->pixels;
csay = say;
for (y = 0; y < size.height; ++y) {
sp = csp;
dp = cdp;
csax = sax;
for (x = 0; x < size.width; ++x) {
*dp = *sp;
++csax;
sp += *csax;
++dp;
}
++csay;
csp += (*csay) * src->pitch;
cdp += dst->pitch;
}
}
else if (src->format->BytesPerPixel == 4 && dst->format->BytesPerPixel == 4)
{
Uint32 *sp, *csp, *dp, *cdp;
int sgap, dgap;
sgap = src->pitch >> 2;
dgap = dst->pitch >> 2;
sp = csp = (Uint32 *) src->pixels;
dp = cdp = (Uint32 *) dst->pixels;
csay = say;
for (y = 0; y < size.height; ++y) {
sp = csp;
dp = cdp;
csax = sax;
for (x = 0; x < size.width; ++x) {
*dp = *sp;
++csax;
sp += *csax;
++dp;
}
++csay;
csp += (*csay) * sgap;
cdp += dgap;
}
}
else
{
fprintf (stderr, "Tried to deal with unknown BPP: %d -> %d\n", src->format->BitsPerPixel, dst->format->BitsPerPixel);
}
SDL_UnlockSurface (dst);
SDL_UnlockSurface (src);
}
sc2/src/sc2code/libs/graphics/sdl/rndzoom.c
-1
View File
@@ -53,7 +53,6 @@
#include "sdl_common.h"
#include "primitives.h"
#include "rotozoom.h"
#ifdef RND_BLUR_PROFILE
#include <time.h>
sc2/src/sc2code/libs/graphics/sdl/rotozoom.c
-941
View File
@@ -1,941 +0,0 @@
/*
rotozoom.c - rotozoomer for 32bit or 8bit surfaces
LGPL (c) A. Schiffler
Note by sc2 developers:
Taken from SDL_gfx library and modified, original code can be downloaded
from http://www.ferzkopp.net/Software/SDL_gfx-2.0/
*/
#ifdef GFXMODULE_SDL
#include <stdlib.h>
#include <string.h>
#include "misc.h"
#include "rotozoom.h"
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
/*
32bit Zoomer with optional anti-aliasing by bilinear interpolation.
Zoomes 32bit RGBA/ABGR 'src' surface to 'dst' surface.
*/
int zoomSurfaceRGBA(SDL_Surface * src, SDL_Surface * dst, int smooth)
{
int x, y, sx, sy, *sax, *say, *csax, *csay, csx, csy, ex, ey, t1, t2, sstep;
tColorRGBA *c00, *c01, *c10, *c11;
tColorRGBA *sp, *csp, *dp;
int sgap, dgap;
/*
* Variable setup
*/
if (smooth) {
/*
* For interpolation: assume source dimension is one pixel
*/
/*
* smaller to avoid overflow on right and bottom edge.
*/
sx = (int) (65536.0 * (float) (src->w - 1) / (float) dst->w);
sy = (int) (65536.0 * (float) (src->h - 1) / (float) dst->h);
} else {
sx = (int) (65536.0 * (float) src->w / (float) dst->w);
sy = (int) (65536.0 * (float) src->h / (float) dst->h);
}
/*
* Allocate memory for row increments
*/
if ((sax = (int *) HMalloc((dst->w + 1) * sizeof(Uint32))) == NULL) {
return (-1);
}
if ((say = (int *) HMalloc((dst->h + 1) * sizeof(Uint32))) == NULL) {
HFree(sax);
return (-1);
}
/*
* Precalculate row increments
*/
csx = 0;
csax = sax;
for (x = 0; x <= dst->w; x++) {
*csax = csx;
csax++;
csx &= 0xffff;
csx += sx;
}
csy = 0;
csay = say;
for (y = 0; y <= dst->h; y++) {
*csay = csy;
csay++;
csy &= 0xffff;
csy += sy;
}
/*
* Pointer setup
*/
sp = csp = (tColorRGBA *) src->pixels;
dp = (tColorRGBA *) dst->pixels;
sgap = src->pitch - src->w * 4;
dgap = dst->pitch - dst->w * 4;
/*
* Switch between interpolating and non-interpolating code
*/
if (smooth) {
/*
* Interpolating Zoom
*/
/*
* Scan destination
*/
csay = say;
for (y = 0; y < dst->h; y++) {
/*
* Setup color source pointers
*/
c00 = csp;
c01 = csp;
c01++;
c10 = (tColorRGBA *) ((Uint8 *) csp + src->pitch);
c11 = c10;
c11++;
csax = sax;
for (x = 0; x < dst->w; x++) {
/*
* Interpolate colors
*/
ex = (*csax & 0xffff);
ey = (*csay & 0xffff);
t1 = ((((c01->r - c00->r) * ex) >> 16) + c00->r) & 0xff;
t2 = ((((c11->r - c10->r) * ex) >> 16) + c10->r) & 0xff;
dp->r = (((t2 - t1) * ey) >> 16) + t1;
t1 = ((((c01->g - c00->g) * ex) >> 16) + c00->g) & 0xff;
t2 = ((((c11->g - c10->g) * ex) >> 16) + c10->g) & 0xff;
dp->g = (((t2 - t1) * ey) >> 16) + t1;
t1 = ((((c01->b - c00->b) * ex) >> 16) + c00->b) & 0xff;
t2 = ((((c11->b - c10->b) * ex) >> 16) + c10->b) & 0xff;
dp->b = (((t2 - t1) * ey) >> 16) + t1;
t1 = ((((c01->a - c00->a) * ex) >> 16) + c00->a) & 0xff;
t2 = ((((c11->a - c10->a) * ex) >> 16) + c10->a) & 0xff;
dp->a = (((t2 - t1) * ey) >> 16) + t1;
/*
* Advance source pointers
*/
csax++;
sstep = (*csax >> 16);
c00 += sstep;
c01 += sstep;
c10 += sstep;
c11 += sstep;
/*
* Advance destination pointer
*/
dp++;
}
/*
* Advance source pointer
*/
csay++;
csp = (tColorRGBA *) ((Uint8 *) csp + (*csay >> 16) * src->pitch);
/*
* Advance destination pointers
*/
dp = (tColorRGBA *) ((Uint8 *) dp + dgap);
}
} else {
/*
* Non-Interpolating Zoom
*/
csay = say;
for (y = 0; y < dst->h; y++) {
sp = csp;
csax = sax;
for (x = 0; x < dst->w; x++) {
/*
* Draw
*/
*dp = *sp;
/*
* Advance source pointers
*/
csax++;
sp += (*csax >> 16);
/*
* Advance destination pointer
*/
dp++;
}
/*
* Advance source pointer
*/
csay++;
csp = (tColorRGBA *) ((Uint8 *) csp + (*csay >> 16) * src->pitch);
/*
* Advance destination pointers
*/
dp = (tColorRGBA *) ((Uint8 *) dp + dgap);
}
}
/*
* Remove temp arrays
*/
HFree(sax);
HFree(say);
return (0);
}
/*
8bit Zoomer without smoothing.
Zoomes 8bit palette/Y 'src' surface to 'dst' surface.
*/
int zoomSurfaceY(SDL_Surface * src, SDL_Surface * dst)
{
Uint32 x, y, sx, sy, *sax, *say, *csax, *csay, csx, csy;
Uint8 *sp, *dp, *csp;
int dgap;
/*
* Variable setup
*/
sx = (Uint32) (65536.0 * (float) src->w / (float) dst->w);
sy = (Uint32) (65536.0 * (float) src->h / (float) dst->h);
/*
* Allocate memory for row increments
*/
if ((sax = (Uint32 *) HMalloc(dst->w * sizeof(Uint32))) == NULL) {
return (-1);
}
if ((say = (Uint32 *) HMalloc(dst->h * sizeof(Uint32))) == NULL) {
if (sax != NULL) {
HFree(sax);
}
return (-1);
}
/*
* Precalculate row increments
*/
csx = 0;
csax = sax;
for (x = 0; x < dst->w; x++) {
csx += sx;
*csax = (csx >> 16);
csx &= 0xffff;
csax++;
}
csy = 0;
csay = say;
for (y = 0; y < dst->h; y++) {
csy += sy;
*csay = (csy >> 16);
csy &= 0xffff;
csay++;
}
csx = 0;
csax = sax;
for (x = 0; x < dst->w; x++) {
csx += (*csax);
csax++;
}
csy = 0;
csay = say;
for (y = 0; y < dst->h; y++) {
csy += (*csay);
csay++;
}
/*
* Pointer setup
*/
sp = csp = (Uint8 *) src->pixels;
dp = (Uint8 *) dst->pixels;
dgap = dst->pitch - dst->w;
/*
* Draw
*/
csay = say;
for (y = 0; y < dst->h; y++) {
csax = sax;
sp = csp;
for (x = 0; x < dst->w; x++) {
/*
* Draw
*/
*dp = *sp;
/*
* Advance source pointers
*/
sp += (*csax);
csax++;
/*
* Advance destination pointer
*/
dp++;
}
/*
* Advance source pointer (for row)
*/
csp += ((*csay) * src->pitch);
csay++;
/*
* Advance destination pointers
*/
dp += dgap;
}
/*
* Remove temp arrays
*/
HFree(sax);
HFree(say);
return (0);
}
/*
32bit Rotozoomer with optional anti-aliasing by bilinear interpolation.
Rotates and zoomes 32bit RGBA/ABGR 'src' surface to 'dst' surface.
*/
void transformSurfaceRGBA(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int isin, int icos, int smooth)
{
int x, y, t1, t2, dx, dy, xd, yd, sdx, sdy, ax, ay, ex, ey, sw, sh;
tColorRGBA c00, c01, c10, c11;
tColorRGBA *pc, *sp;
int gap;
/*
* Variable setup
*/
xd = ((src->w - dst->w) << 15);
yd = ((src->h - dst->h) << 15);
ax = (cx << 16) - (icos * cx);
ay = (cy << 16) - (isin * cx);
sw = src->w - 1;
sh = src->h - 1;
pc = dst->pixels;
gap = dst->pitch - dst->w * 4;
/*
* Switch between interpolating and non-interpolating code
*/
if (smooth) {
for (y = 0; y < dst->h; y++) {
dy = cy - y;
sdx = (ax + (isin * dy)) + xd;
sdy = (ay - (icos * dy)) + yd;
for (x = 0; x < dst->w; x++) {
dx = (sdx >> 16);
dy = (sdy >> 16);
if ((dx >= -1) && (dy >= -1) && (dx < src->w) && (dy < src->h)) {
if ((dx >= 0) && (dy >= 0) && (dx < sw) && (dy < sh)) {
sp = (tColorRGBA *) ((Uint8 *) src->pixels + src->pitch * dy);
sp += dx;
c00 = *sp;
sp += 1;
c01 = *sp;
sp = (tColorRGBA *) ((Uint8 *) sp + src->pitch);
sp -= 1;
c10 = *sp;
sp += 1;
c11 = *sp;
} else if ((dx == sw) && (dy == sh)) {
sp = (tColorRGBA *) ((Uint8 *) src->pixels + src->pitch * dy);
sp += dx;
c00 = *sp;
c01 = *sp;
c10 = *sp;
c11 = *sp;
} else if ((dx == -1) && (dy == -1)) {
sp = (tColorRGBA *) (src->pixels);
c00 = *sp;
c01 = *sp;
c10 = *sp;
c11 = *sp;
} else if ((dx == -1) && (dy == sh)) {
sp = (tColorRGBA *) (src->pixels);
sp = (tColorRGBA *) ((Uint8 *) src->pixels + src->pitch * dy);
c00 = *sp;
c01 = *sp;
c10 = *sp;
c11 = *sp;
} else if ((dx == sw) && (dy == -1)) {
sp = (tColorRGBA *) (src->pixels);
sp += dx;
c00 = *sp;
c01 = *sp;
c10 = *sp;
c11 = *sp;
} else if (dx == -1) {
sp = (tColorRGBA *) ((Uint8 *) src->pixels + src->pitch * dy);
c00 = *sp;
c01 = *sp;
c10 = *sp;
sp = (tColorRGBA *) ((Uint8 *) sp + src->pitch);
c11 = *sp;
} else if (dy == -1) {
sp = (tColorRGBA *) (src->pixels);
sp += dx;
c00 = *sp;
c01 = *sp;
c10 = *sp;
sp += 1;
c11 = *sp;
} else if (dx == sw) {
sp = (tColorRGBA *) ((Uint8 *) src->pixels + src->pitch * dy);
sp += dx;
c00 = *sp;
c01 = *sp;
sp = (tColorRGBA *) ((Uint8 *) sp + src->pitch);
c10 = *sp;
c11 = *sp;
} else if (dy == sh) {
sp = (tColorRGBA *) ((Uint8 *) src->pixels + src->pitch * dy);
sp += dx;
c00 = *sp;
sp += 1;
c01 = *sp;
c10 = *sp;
c11 = *sp;
}
/*
* Interpolate colors
*/
ex = (sdx & 0xffff);
ey = (sdy & 0xffff);
t1 = ((((c01.r - c00.r) * ex) >> 16) + c00.r) & 0xff;
t2 = ((((c11.r - c10.r) * ex) >> 16) + c10.r) & 0xff;
pc->r = (((t2 - t1) * ey) >> 16) + t1;
t1 = ((((c01.g - c00.g) * ex) >> 16) + c00.g) & 0xff;
t2 = ((((c11.g - c10.g) * ex) >> 16) + c10.g) & 0xff;
pc->g = (((t2 - t1) * ey) >> 16) + t1;
t1 = ((((c01.b - c00.b) * ex) >> 16) + c00.b) & 0xff;
t2 = ((((c11.b - c10.b) * ex) >> 16) + c10.b) & 0xff;
pc->b = (((t2 - t1) * ey) >> 16) + t1;
t1 = ((((c01.a - c00.a) * ex) >> 16) + c00.a) & 0xff;
t2 = ((((c11.a - c10.a) * ex) >> 16) + c10.a) & 0xff;
pc->a = (((t2 - t1) * ey) >> 16) + t1;
}
sdx += icos;
sdy += isin;
pc++;
}
pc = (tColorRGBA *) ((Uint8 *) pc + gap);
}
} else {
for (y = 0; y < dst->h; y++) {
dy = cy - y;
sdx = (ax + (isin * dy)) + xd;
sdy = (ay - (icos * dy)) + yd;
for (x = 0; x < dst->w; x++) {
dx = (short) (sdx >> 16);
dy = (short) (sdy >> 16);
if ((dx >= 0) && (dy >= 0) && (dx < src->w) && (dy < src->h)) {
sp = (tColorRGBA *) ((Uint8 *) src->pixels + src->pitch * dy);
sp += dx;
*pc = *sp;
}
sdx += icos;
sdy += isin;
pc++;
}
pc = (tColorRGBA *) ((Uint8 *) pc + gap);
}
}
}
/*
8bit Rotozoomer without smoothing
Rotates and zoomes 8bit palette/Y 'src' surface to 'dst' surface.
*/
void transformSurfaceY(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int isin, int icos)
{
int x, y, dx, dy, xd, yd, sdx, sdy, ax, ay, sw, sh;
tColorY *pc, *sp;
int gap;
/*
* Variable setup
*/
xd = ((src->w - dst->w) << 15);
yd = ((src->h - dst->h) << 15);
ax = (cx << 16) - (icos * cx);
ay = (cy << 16) - (isin * cx);
sw = src->w - 1;
sh = src->h - 1;
pc = dst->pixels;
gap = dst->pitch - dst->w;
/*
* Clear surface to colorkey
*/
memset(pc, (unsigned char) (src->format->colorkey & 0xff), dst->pitch * dst->h);
/*
* Iterate through destination surface
*/
for (y = 0; y < dst->h; y++) {
dy = cy - y;
sdx = (ax + (isin * dy)) + xd;
sdy = (ay - (icos * dy)) + yd;
for (x = 0; x < dst->w; x++) {
dx = (short) (sdx >> 16);
dy = (short) (sdy >> 16);
if ((dx >= 0) && (dy >= 0) && (dx < src->w) && (dy < src->h)) {
sp = (tColorY *) (src->pixels);
sp += (src->pitch * dy + dx);
*pc = *sp;
}
sdx += icos;
sdy += isin;
pc++;
}
pc += gap;
}
}
/*
rotozoomSurface()
Rotates and zoomes a 32bit or 8bit 'src' surface to newly created 'dst' surface.
'angle' is the rotation in degrees. 'zoom' a scaling factor. If 'smooth' is 1
then the destination 32bit surface is anti-aliased. If the surface is not 8bit
or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
*/
#define VALUE_LIMIT 0.001
/* Local rotozoom-size function with trig result return */
void rotozoomSurfaceSizeTrig(int width, int height, double angle, double zoom, int *dstwidth, int *dstheight,
double *canglezoom, double *sanglezoom)
{
double x, y, cx, cy, sx, sy;
double radangle;
int dstwidthhalf, dstheighthalf;
/*
* Determine destination width and height by rotating a centered source box
*/
radangle = angle * (M_PI / 180.0);
*sanglezoom = sin(radangle);
*canglezoom = cos(radangle);
*sanglezoom *= zoom;
*canglezoom *= zoom;
x = width / 2;
y = height / 2;
cx = *canglezoom * x;
cy = *canglezoom * y;
sx = *sanglezoom * x;
sy = *sanglezoom * y;
dstwidthhalf = MAX((int)
ceil(MAX(MAX(MAX(fabs(cx + sy), fabs(cx - sy)), fabs(-cx + sy)), fabs(-cx - sy))), 1);
dstheighthalf = MAX((int)
ceil(MAX(MAX(MAX(fabs(sx + cy), fabs(sx - cy)), fabs(-sx + cy)), fabs(-sx - cy))), 1);
*dstwidth = 2 * dstwidthhalf;
*dstheight = 2 * dstheighthalf;
}
/* Publically available rotozoom-size function */
void rotozoomSurfaceSize(int width, int height, double angle, double zoom, int *dstwidth, int *dstheight)
{
double dummy_sanglezoom, dummy_canglezoom;
rotozoomSurfaceSizeTrig(width, height, angle, zoom, dstwidth, dstheight, &dummy_sanglezoom, &dummy_canglezoom);
}
/* Publically available rotozoom function */
SDL_Surface *rotozoomSurface(SDL_Surface * src, double angle, double zoom, int smooth)
{
SDL_Surface *rz_src;
SDL_Surface *rz_dst;
double zoominv;
double sanglezoom, canglezoom, sanglezoominv, canglezoominv;
int dstwidthhalf, dstwidth, dstheighthalf, dstheight;
int is32bit;
int i, src_converted;
/*
* Sanity check
*/
if (src == NULL)
return (NULL);
/*
* Determine if source surface is 32bit or 8bit
*/
is32bit = (src->format->BitsPerPixel == 32);
if ((is32bit) || (src->format->BitsPerPixel == 8)) {
/*
* Use source surface 'as is'
*/
rz_src = src;
src_converted = 0;
} else {
/*
* New source surface is 32bit with a defined RGBA ordering
*/
rz_src =
SDL_CreateRGBSurface(SDL_SWSURFACE, src->w, src->h, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000);
SDL_BlitSurface(src, NULL, rz_src, NULL);
src_converted = 1;
is32bit = 1;
}
/*
* Sanity check zoom factor
*/
if (zoom < VALUE_LIMIT) {
zoom = VALUE_LIMIT;
}
zoominv = 65536.0 / (zoom * zoom);
/*
* Check if we have a rotozoom or just a zoom
*/
if (fabs(angle) > VALUE_LIMIT) {
/*
* Angle!=0: full rotozoom
*/
/*
* -----------------------
*/
/* Determine target size */
rotozoomSurfaceSizeTrig(rz_src->w, rz_src->h, angle, zoom, &dstwidth, &dstheight, &canglezoom, &sanglezoom);
/*
* Calculate target factors from sin/cos and zoom
*/
sanglezoominv = sanglezoom;
canglezoominv = canglezoom;
sanglezoominv *= zoominv;
canglezoominv *= zoominv;
/* Calculate half size */
dstwidthhalf = dstwidth / 2;
dstheighthalf = dstheight / 2;
/*
* Alloc space to completely contain the rotated surface
*/
rz_dst = NULL;
if (is32bit) {
/*
* Target surface is 32bit with source RGBA/ABGR ordering
*/
rz_dst =
SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight, 32,
rz_src->format->Rmask, rz_src->format->Gmask,
rz_src->format->Bmask, rz_src->format->Amask);
} else {
/*
* Target surface is 8bit
*/
rz_dst = SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight, 8, 0, 0, 0, 0);
}
/*
* Lock source surface
*/
SDL_LockSurface(rz_src);
/*
* Check which kind of surface we have
*/
if (is32bit) {
/*
* Call the 32bit transformation routine to do the rotation (using alpha)
*/
transformSurfaceRGBA(rz_src, rz_dst, dstwidthhalf, dstheighthalf,
(int) (sanglezoominv), (int) (canglezoominv), smooth);
/*
* Turn on source-alpha support
*/
SDL_SetAlpha(rz_dst, SDL_SRCALPHA, 255);
} else {
/*
* Copy palette and colorkey info
*/
for (i = 0; i < rz_src->format->palette->ncolors; i++) {
rz_dst->format->palette->colors[i] = rz_src->format->palette->colors[i];
}
rz_dst->format->palette->ncolors = rz_src->format->palette->ncolors;
/*
* Call the 8bit transformation routine to do the rotation
*/
transformSurfaceY(rz_src, rz_dst, dstwidthhalf, dstheighthalf,
(int) (sanglezoominv), (int) (canglezoominv));
SDL_SetColorKey(rz_dst, SDL_SRCCOLORKEY | SDL_RLEACCEL, rz_src->format->colorkey);
}
/*
* Unlock source surface
*/
SDL_UnlockSurface(rz_src);
} else {
/*
* Angle=0: Just a zoom
*/
/*
* --------------------
*/
/*
* Calculate target size
*/
zoomSurfaceSize(rz_src->w, rz_src->h, zoom, zoom, &dstwidth, &dstheight);
/*
* Alloc space to completely contain the zoomed surface
*/
rz_dst = NULL;
if (is32bit) {
/*
* Target surface is 32bit with source RGBA/ABGR ordering
*/
rz_dst =
SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight, 32,
rz_src->format->Rmask, rz_src->format->Gmask,
rz_src->format->Bmask, rz_src->format->Amask);
} else {
/*
* Target surface is 8bit
*/
rz_dst = SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight, 8, 0, 0, 0, 0);
}
/*
* Lock source surface
*/
SDL_LockSurface(rz_src);
/*
* Check which kind of surface we have
*/
if (is32bit) {
/*
* Call the 32bit transformation routine to do the zooming (using alpha)
*/
zoomSurfaceRGBA(rz_src, rz_dst, smooth);
/*
* Turn on source-alpha support
*/
SDL_SetAlpha(rz_dst, SDL_SRCALPHA, 255);
} else {
/*
* Copy palette and colorkey info
*/
for (i = 0; i < rz_src->format->palette->ncolors; i++) {
rz_dst->format->palette->colors[i] = rz_src->format->palette->colors[i];
}
rz_dst->format->palette->ncolors = rz_src->format->palette->ncolors;
/*
* Call the 8bit transformation routine to do the zooming
*/
zoomSurfaceY(rz_src, rz_dst);
SDL_SetColorKey(rz_dst, SDL_SRCCOLORKEY | SDL_RLEACCEL, rz_src->format->colorkey);
}
/*
* Unlock source surface
*/
SDL_UnlockSurface(rz_src);
}
/*
* Cleanup temp surface
*/
if (src_converted) {
SDL_FreeSurface(rz_src);
}
/*
* Return destination surface
*/
return (rz_dst);
}
/*
zoomSurface()
Zoomes a 32bit or 8bit 'src' surface to newly created 'dst' surface.
'zoomx' and 'zoomy' are scaling factors for width and height. If 'smooth' is 1
then the destination 32bit surface is anti-aliased. If the surface is not 8bit
or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
*/
#define VALUE_LIMIT 0.001
void zoomSurfaceSize(int width, int height, double zoomx, double zoomy, int *dstwidth, int *dstheight)
{
/*
* Sanity check zoom factors
*/
if (zoomx < VALUE_LIMIT) {
zoomx = VALUE_LIMIT;
}
if (zoomy < VALUE_LIMIT) {
zoomy = VALUE_LIMIT;
}
/*
* Calculate target size
*/
*dstwidth = (int) ((double) width * zoomx);
*dstheight = (int) ((double) height * zoomy);
if (*dstwidth < 1) {
*dstwidth = 1;
}
if (*dstheight < 1) {
*dstheight = 1;
}
}
SDL_Surface *zoomSurface(SDL_Surface * src, double zoomx, double zoomy, int smooth)
{
SDL_Surface *rz_src;
SDL_Surface *rz_dst;
int dstwidth, dstheight;
int is32bit;
int i, src_converted;
/*
* Sanity check
*/
if (src == NULL)
return (NULL);
/*
* Determine if source surface is 32bit or 8bit
*/
is32bit = (src->format->BitsPerPixel == 32);
if ((is32bit) || (src->format->BitsPerPixel == 8)) {
/*
* Use source surface 'as is'
*/
rz_src = src;
src_converted = 0;
} else {
/*
* New source surface is 32bit with a defined RGBA ordering
*/
rz_src =
SDL_CreateRGBSurface(SDL_SWSURFACE, src->w, src->h, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000);
SDL_BlitSurface(src, NULL, rz_src, NULL);
src_converted = 1;
is32bit = 1;
}
/* Get size if target */
zoomSurfaceSize(rz_src->w, rz_src->h, zoomx, zoomy, &dstwidth, &dstheight);
/*
* Alloc space to completely contain the zoomed surface
*/
rz_dst = NULL;
if (is32bit) {
/*
* Target surface is 32bit with source RGBA/ABGR ordering
*/
rz_dst =
SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight, 32,
rz_src->format->Rmask, rz_src->format->Gmask,
rz_src->format->Bmask, rz_src->format->Amask);
} else {
/*
* Target surface is 8bit
*/
rz_dst = SDL_CreateRGBSurface(SDL_SWSURFACE, dstwidth, dstheight, 8, 0, 0, 0, 0);
}
/*
* Lock source surface
*/
SDL_LockSurface(rz_src);
/*
* Check which kind of surface we have
*/
if (is32bit) {
/*
* Call the 32bit transformation routine to do the zooming (using alpha)
*/
zoomSurfaceRGBA(rz_src, rz_dst, smooth);
/*
* Turn on source-alpha support
*/
SDL_SetAlpha(rz_dst, SDL_SRCALPHA, 255);
} else {
/*
* Copy palette and colorkey info
*/
for (i = 0; i < rz_src->format->palette->ncolors; i++) {
rz_dst->format->palette->colors[i] = rz_src->format->palette->colors[i];
}
rz_dst->format->palette->ncolors = rz_src->format->palette->ncolors;
/*
* Call the 8bit transformation routine to do the zooming
*/
zoomSurfaceY(rz_src, rz_dst);
SDL_SetColorKey(rz_dst, SDL_SRCCOLORKEY, rz_src->format->colorkey);
}
/*
* Unlock source surface
*/
SDL_UnlockSurface(rz_src);
/*
* Cleanup temp surface
*/
if (src_converted) {
SDL_FreeSurface(rz_src);
}
/*
* Return destination surface
*/
return (rz_dst);
}
#endif
sc2/src/sc2code/libs/graphics/sdl/rotozoom.h
-93
View File
@@ -1,93 +0,0 @@
/*
rotozoom.h - rotozoomer for 32bit or 8bit surfaces
LGPL (c) A. Schiffler
Note by sc2 developers:
Taken from SDL_gfx library and modified, original code can be downloaded
from http://www.ferzkopp.net/Software/SDL_gfx-2.0/
*/
#ifndef ROTOZOOM_H
#define ROTOZOOM_H
#include <math.h>
#ifndef M_PI
#define M_PI 3.141592654
#endif
#include "SDL.h"
/* ---- Defines */
#define SMOOTHING_OFF 0
#define SMOOTHING_ON 1
/* ---- Structures */
typedef struct tColorRGBA {
Uint8 r;
Uint8 g;
Uint8 b;
Uint8 a;
} tColorRGBA;
typedef struct tColorY {
Uint8 y;
} tColorY;
/* ---- Prototypes */
/*
zoomSurfaceRGBA()
Zoom the src surface into dst. The zoom amount is determined
by the dimensions of src and dst
*/
int zoomSurfaceRGBA(SDL_Surface * src, SDL_Surface * dst, int smooth);
/*
rotozoomSurface()
Rotates and zoomes a 32bit or 8bit 'src' surface to newly created 'dst' surface.
'angle' is the rotation in degrees. 'zoom' a scaling factor. If 'smooth' is 1
then the destination 32bit surface is anti-aliased. If the surface is not 8bit
or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
*/
SDL_Surface *rotozoomSurface(SDL_Surface * src, double angle, double zoom,
int smooth);
/* Returns the size of the target surface for a rotozoomSurface() call */
void rotozoomSurfaceSize(int width, int height, double angle, double zoom,
int *dstwidth, int *dstheight);
/*
zoomSurface()
Zoomes a 32bit or 8bit 'src' surface to newly created 'dst' surface.
'zoomx' and 'zoomy' are scaling factors for width and height. If 'smooth' is 1
then the destination 32bit surface is anti-aliased. If the surface is not 8bit
or 32bit RGBA/ABGR it will be converted into a 32bit RGBA format on the fly.
*/
SDL_Surface *zoomSurface(SDL_Surface * src, double zoomx, double zoomy,
int smooth);
/* Returns the size of the target surface for a zoomSurface() call */
void zoomSurfaceSize(int width, int height, double zoomx, double zoomy,
int *dstwidth, int *dstheight);
#endif
sc2/src/sc2code/libs/graphics/sdl/sdl_common.c
-1
View File
@@ -21,7 +21,6 @@
#include "sdl_common.h"
#include "opengl.h"
#include "pure.h"
#include "rotozoom.h"
#include "primitives.h"
#include "dcqueue.h"
#include "options.h"
sc2/src/sc2code/libs/graphics/tfb_draw.c
+17 -19
View File
@@ -86,6 +86,7 @@ TFB_DrawScreen_Image (TFB_Image *img, int x, int y, int scale, TFB_Palette *pale
DC.data.image.y = y;
DC.data.image.scale = (scale == GetGraphicScaleIdentity ()) ? 0 : scale;
if (palette != NULL)
{
int i, changed;
@@ -262,6 +263,8 @@ TFB_DrawImage_New (TFB_Canvas canvas)
img->NormalImg = TFB_DrawCanvas_ToScreenFormat (canvas);
}
img->ScaledImg = TFB_DrawCanvas_New_ScaleTarget (img->NormalImg);
return img;
}
@@ -294,29 +297,24 @@ TFB_DrawImage_Delete (TFB_Image *image)
void
TFB_DrawImage_FixScaling (TFB_Image *image, int target)
{
if (image->ScaledImg)
{
if (image->scale != target)
{
TFB_DrawCanvas_Delete(image->ScaledImg);
image->ScaledImg = NULL;
}
}
EXTENT old = image->extent;
TFB_DrawCanvas_GetScaledExtent (image->NormalImg, target, &image->extent);
if (!image->ScaledImg)
if ((old.width != image->extent.width) || (old.height != image->extent.height) || image->dirty)
{
image->scale = target;
image->dirty = FALSE;
image->ScaledImg = TFB_DrawCanvas_New_Scaled (image->NormalImg, target);
if (TFB_DrawCanvas_IsPaletted (image->ScaledImg))
{
int colorkey = TFB_DrawCanvas_GetTransparentIndex (image->NormalImg);
TFB_DrawCanvas_Rescale (image->NormalImg, image->ScaledImg, image->extent);
}
/*
if (TFB_DrawCanvas_IsPaletted (image->ScaledImg))
{
int colorkey = TFB_DrawCanvas_GetTransparentIndex (image->NormalImg);
TFB_DrawCanvas_SetPalette (image->ScaledImg, image->Palette);
if (colorkey != -1)
{
TFB_DrawCanvas_SetTransparentIndex (image->ScaledImg, colorkey);
}
TFB_DrawCanvas_SetPalette (image->ScaledImg, image->Palette);
if (colorkey != -1)
{
TFB_DrawCanvas_SetTransparentIndex (image->ScaledImg, colorkey);
}
}
*/
}
sc2/src/sc2code/libs/graphics/tfb_draw.h
+6 -1
View File
@@ -45,7 +45,7 @@ typedef struct tfb_image
TFB_Canvas ScaledImg;
TFB_Palette *Palette;
int colormap_index;
int scale;
EXTENT extent;
Mutex mutex;
BOOLEAN dirty;
} TFB_Image;
@@ -76,8 +76,13 @@ void TFB_DrawImage_FilledImage (TFB_Image *img, int x, int y, int scale, int r,
TFB_Canvas TFB_DrawCanvas_New_TrueColor (int w, int h, BOOLEAN hasalpha);
TFB_Canvas TFB_DrawCanvas_New_Paletted (int w, int h, TFB_Palette *palette, int transparent_index);
TFB_Canvas TFB_DrawCanvas_New_Scaled (TFB_Canvas src, int scale);
TFB_Canvas TFB_DrawCanvas_New_ScaleTarget (TFB_Canvas canvas);
TFB_Canvas TFB_DrawCanvas_ToScreenFormat (TFB_Canvas canvas);
BOOLEAN TFB_DrawCanvas_IsPaletted (TFB_Canvas canvas);
void TFB_DrawCanvas_Rescale (TFB_Canvas src, TFB_Canvas dst, EXTENT size);
void TFB_DrawCanvas_GetScaledExtent (TFB_Canvas src_canvas, int scale, PEXTENT size);
void TFB_DrawCanvas_Delete (TFB_Canvas canvas);
void TFB_DrawCanvas_Line (int x1, int y1, int x2, int y2, int r, int g, int b, TFB_Canvas dest);