From: Ingo Ruhnke Date: Mon, 14 Jun 2004 22:56:17 +0000 (+0000) Subject: - moved gradient fix over into surface.h, removed texture.h X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=081301ec78320340bd49cd695783c5264ff2331d;p=supertux.git - moved gradient fix over into surface.h, removed texture.h SVN-Revision: 1491 --- diff --git a/src/screen/surface.cpp b/src/screen/surface.cpp index 0353b3dde..2eb02b88d 100644 --- a/src/screen/surface.cpp +++ b/src/screen/surface.cpp @@ -170,9 +170,12 @@ Surface::Surface(const std::string& file, int x, int y, int w, int h, int use_al surfaces.push_back(this); } -Surface::Surface(Color top_background, Color bottom_background, int w, int h) - : data(top_background, bottom_background, w, h), w(0), h(0) +Surface::Surface(Color top_background, Color bottom_background, int w_, int h_) + : data(top_background, bottom_background, 0, 0), w(0), h(0) { + // FIXME: Gradient surfaces currently don't accept width/height + // If nonzero values are passed to data.create(), supertux + // crashes. impl = data.create(); if (impl) { diff --git a/src/screen/surface.h b/src/screen/surface.h index 6fe26e332..79899d94d 100644 --- a/src/screen/surface.h +++ b/src/screen/surface.h @@ -97,7 +97,7 @@ public: Surface(SDL_Surface* surf, int use_alpha); Surface(const std::string& file, int use_alpha); Surface(const std::string& file, int x, int y, int w, int h, int use_alpha); - Surface(Color top_gradient, Color bottom_gradient, int w, int h); + Surface(Color top_gradient, Color bottom_gradient, int w_, int h_); ~Surface(); /** Reload the surface, which is necesarry in case of a mode swich */ diff --git a/src/screen/texture.cpp b/src/screen/texture.cpp deleted file mode 100644 index a4767f56d..000000000 --- a/src/screen/texture.cpp +++ /dev/null @@ -1,877 +0,0 @@ -// $Id$ -// -// SuperTux -// Copyright (C) 2004 Tobias Glaesser -// -// 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 "SDL.h" -#include "SDL_image.h" - -#include "texture.h" -#include "globals.h" -#include "setup.h" - -Surface::Surfaces Surface::surfaces; - -SurfaceData::SurfaceData(SDL_Surface* temp, int use_alpha_) - : type(SURFACE), surface(0), use_alpha(use_alpha_) -{ - // Copy the given surface and make sure that it is not stored in - // video memory - surface = SDL_CreateRGBSurface(temp->flags & (~SDL_HWSURFACE), - temp->w, temp->h, - temp->format->BitsPerPixel, - temp->format->Rmask, - temp->format->Gmask, - temp->format->Bmask, - temp->format->Amask); - if(!surface) - st_abort("No memory left.", ""); - SDL_SetAlpha(temp,0,0); - SDL_BlitSurface(temp, NULL, surface, NULL); -} - -SurfaceData::SurfaceData(const std::string& file_, int use_alpha_) - : type(LOAD), surface(0), file(file_), use_alpha(use_alpha_) -{} - -SurfaceData::SurfaceData(const std::string& file_, int x_, int y_, int w_, int h_, int use_alpha_) - : type(LOAD_PART), surface(0), file(file_), use_alpha(use_alpha_), - x(x_), y(y_), w(w_), h(h_) -{} - -SurfaceData::SurfaceData(Color top_gradient_, Color bottom_gradient_, int w_, int h_) - : type(GRADIENT), surface(0), use_alpha(false), w(w_), h(h_) -{ -top_gradient = top_gradient_; -bottom_gradient = bottom_gradient_; -} - - -SurfaceData::~SurfaceData() -{ - SDL_FreeSurface(surface); -} - -SurfaceImpl* -SurfaceData::create() -{ -#ifndef NOOPENGL - if (use_gl) - return create_SurfaceOpenGL(); - else - return create_SurfaceSDL(); -#else - return create_SurfaceSDL(); -#endif -} - -SurfaceSDL* -SurfaceData::create_SurfaceSDL() -{ - switch(type) - { - case LOAD: - return new SurfaceSDL(file, use_alpha); - case LOAD_PART: - return new SurfaceSDL(file, x, y, w, h, use_alpha); - case SURFACE: - return new SurfaceSDL(surface, use_alpha); - case GRADIENT: - return new SurfaceSDL(top_gradient, bottom_gradient, w, h); - } - assert(0); -} - -SurfaceOpenGL* -SurfaceData::create_SurfaceOpenGL() -{ -#ifndef NOOPENGL - switch(type) - { - case LOAD: - return new SurfaceOpenGL(file, use_alpha); - case LOAD_PART: - return new SurfaceOpenGL(file, x, y, w, h, use_alpha); - case SURFACE: - return new SurfaceOpenGL(surface, use_alpha); - case GRADIENT: - return new SurfaceOpenGL(top_gradient, bottom_gradient, w, h); - } -#endif - assert(0); -} - -#ifndef NOOPENGL -/* Quick utility function for texture creation */ -static int power_of_two(int input) -{ - int value = 1; - - while ( value < input ) - { - value <<= 1; - } - return value; -} -#endif - -Surface::Surface(SDL_Surface* surf, int use_alpha) - : data(surf, use_alpha), w(0), h(0) -{ - impl = data.create(); - if (impl) - { - w = impl->w; - h = impl->h; - } - surfaces.push_back(this); -} - -Surface::Surface(const std::string& file, int use_alpha) - : data(file, use_alpha), w(0), h(0) -{ - impl = data.create(); - if (impl) - { - w = impl->w; - h = impl->h; - } - surfaces.push_back(this); -} - -Surface::Surface(const std::string& file, int x, int y, int w, int h, int use_alpha) - : data(file, x, y, w, h, use_alpha), w(0), h(0) -{ - impl = data.create(); - if (impl) - { - w = impl->w; - h = impl->h; - } - surfaces.push_back(this); -} - -Surface::Surface(Color top_background, Color bottom_background, int w_, int h_) - : data(top_background, bottom_background, 0, 0), w(0), h(0) -{ - // FIXME: Gradient surfaces currently don't accept width/height - // If nonzero values are passed to data.create(), supertux - // crashes. - impl = data.create(); - if (impl) - { - w = impl->w; - h = impl->h; - } - surfaces.push_back(this); -} - -void -Surface::reload() -{ - delete impl; - impl = data.create(); - if (impl) - { - w = impl->w; - h = impl->h; - } -} - -Surface::~Surface() -{ -#ifdef DEBUG - bool found = false; - for(std::list::iterator i = surfaces.begin(); i != surfaces.end(); - ++i) - { - if(*i == this) - { - found = true; break; - } - } - if(!found) - printf("Error: Surface freed twice!!!\n"); -#endif - surfaces.remove(this); - delete impl; -} - -void -Surface::reload_all() -{ - for(Surfaces::iterator i = surfaces.begin(); i != surfaces.end(); ++i) - { - (*i)->reload(); - } -} - -void -Surface::debug_check() -{ - for(Surfaces::iterator i = surfaces.begin(); i != surfaces.end(); ++i) - { - printf("Surface not freed: T:%d F:%s.\n", (*i)->data.type, - (*i)->data.file.c_str()); - } -} - -void -Surface::resize(int w_, int h_) -{ - if (impl) - { - w = w_; - h = h_; - if (impl->resize(w_,h_) == -2) - reload(); - } -} - -SDL_Surface* -sdl_surface_part_from_file(const std::string& file, int x, int y, int w, int h, int use_alpha) -{ - SDL_Rect src; - SDL_Surface * sdl_surface; - SDL_Surface * temp; - SDL_Surface * conv; - - temp = IMG_Load(file.c_str()); - - if (temp == NULL) - st_abort("Can't load", file); - - /* Set source rectangle for conv: */ - - src.x = x; - src.y = y; - src.w = w; - src.h = h; - - conv = SDL_CreateRGBSurface(temp->flags, w, h, temp->format->BitsPerPixel, - temp->format->Rmask, - temp->format->Gmask, - temp->format->Bmask, - temp->format->Amask); - - /* #if SDL_BYTEORDER == SDL_BIG_ENDIAN - 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff); - #else - - 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000); - #endif*/ - - SDL_SetAlpha(temp,0,0); - - SDL_BlitSurface(temp, &src, conv, NULL); - if(use_alpha == IGNORE_ALPHA && !use_gl) - sdl_surface = SDL_DisplayFormat(conv); - else - sdl_surface = SDL_DisplayFormatAlpha(conv); - - if (sdl_surface == NULL) - st_abort("Can't covert to display format", file); - - if (use_alpha == IGNORE_ALPHA && !use_gl) - SDL_SetAlpha(sdl_surface, 0, 0); - - SDL_FreeSurface(temp); - SDL_FreeSurface(conv); - - return sdl_surface; -} - -SDL_Surface* -sdl_surface_from_file(const std::string& file, int use_alpha) -{ - SDL_Surface* sdl_surface; - SDL_Surface* temp; - - temp = IMG_Load(file.c_str()); - - if (temp == NULL) - st_abort("Can't load", file); - - if(use_alpha == IGNORE_ALPHA && !use_gl) - sdl_surface = SDL_DisplayFormat(temp); - else - sdl_surface = SDL_DisplayFormatAlpha(temp); - - if (sdl_surface == NULL) - st_abort("Can't covert to display format", file); - - if (use_alpha == IGNORE_ALPHA && !use_gl) - SDL_SetAlpha(sdl_surface, 0, 0); - - SDL_FreeSurface(temp); - - return sdl_surface; -} - -SDL_Surface* -sdl_surface_from_sdl_surface(SDL_Surface* sdl_surf, int use_alpha) -{ - SDL_Surface* sdl_surface; - Uint32 saved_flags; - Uint8 saved_alpha; - - /* Save the alpha blending attributes */ - saved_flags = sdl_surf->flags&(SDL_SRCALPHA|SDL_RLEACCELOK); - saved_alpha = sdl_surf->format->alpha; - if ( (saved_flags & SDL_SRCALPHA) - == SDL_SRCALPHA ) - { - SDL_SetAlpha(sdl_surf, 0, 0); - } - - if(use_alpha == IGNORE_ALPHA && !use_gl) - sdl_surface = SDL_DisplayFormat(sdl_surf); - else - sdl_surface = SDL_DisplayFormatAlpha(sdl_surf); - - /* Restore the alpha blending attributes */ - if ( (saved_flags & SDL_SRCALPHA) - == SDL_SRCALPHA ) - { - SDL_SetAlpha(sdl_surface, saved_flags, saved_alpha); - } - - if (sdl_surface == NULL) - st_abort("Can't covert to display format", "SURFACE"); - - if (use_alpha == IGNORE_ALPHA && !use_gl) - SDL_SetAlpha(sdl_surface, 0, 0); - - return sdl_surface; -} - -SDL_Surface* -sdl_surface_from_gradient(Color top, Color bottom, int w, int h) -{ - SDL_Surface* sdl_surface; - - sdl_surface = SDL_CreateRGBSurface(screen->flags, w, h, - screen->format->BitsPerPixel, screen->format->Rmask, - screen->format->Gmask, screen->format->Bmask, screen->format->Amask); - - if(sdl_surface == NULL) - st_abort("Cannot create surface for the gradient", "SURFACE"); - - if(top == bottom) - { - SDL_FillRect(sdl_surface, NULL, SDL_MapRGB(sdl_surface->format, - top.red, top.green, top.blue)); - } - else - { - float redstep = (float(bottom.red)-float(top.red)) / float(h); - float greenstep = (float(bottom.green)-float(top.green)) / float(h); - float bluestep = (float(bottom.blue) - float(top.blue)) / float(h); - - SDL_Rect rect; - rect.x = 0; - rect.w = w; - rect.h = 1; - for(float y = 0; y < h; y++) - { - rect.y = (int)y; - SDL_FillRect(sdl_surface, &rect, SDL_MapRGB(sdl_surface->format, - int(float(top.red) + redstep * y), - int(float(top.green) + greenstep * y), - int(float(top.blue) + bluestep * y))); - } - } - - return sdl_surface; -} - -//--------------------------------------------------------------------------- - -SurfaceImpl::SurfaceImpl() -{} - -SurfaceImpl::~SurfaceImpl() -{ - SDL_FreeSurface(sdl_surface); -} - -SDL_Surface* SurfaceImpl::get_sdl_surface() const -{ - return sdl_surface; -} - -int SurfaceImpl::resize(int w_, int h_) -{ - w = w_; - h = h_; - SDL_Rect dest; - dest.x = 0; - dest.y = 0; - dest.w = w; - dest.h = h; - int ret = SDL_SoftStretch(sdl_surface, NULL, - sdl_surface, &dest); - return ret; -} - -#ifndef NOOPENGL -SurfaceOpenGL::SurfaceOpenGL(SDL_Surface* surf, int use_alpha) -{ - sdl_surface = sdl_surface_from_sdl_surface(surf, use_alpha); - create_gl(sdl_surface,&gl_texture); - - w = sdl_surface->w; - h = sdl_surface->h; -} - -SurfaceOpenGL::SurfaceOpenGL(const std::string& file, int use_alpha) -{ - sdl_surface = sdl_surface_from_file(file, use_alpha); - create_gl(sdl_surface,&gl_texture); - - w = sdl_surface->w; - h = sdl_surface->h; -} - -SurfaceOpenGL::SurfaceOpenGL(const std::string& file_, int x_, int y_, int w_, int h_, int use_alpha_) -{ - sdl_surface = sdl_surface_part_from_file(file_,x_,y_,w_,h_,use_alpha_); - - create_gl(sdl_surface, &gl_texture); - - w = sdl_surface->w; - h = sdl_surface->h; -} - -SurfaceOpenGL::SurfaceOpenGL(Color top_gradient, Color bottom_gradient, int w, int h) -{ - sdl_surface = sdl_surface_from_gradient(top_gradient, bottom_gradient, w, h); - create_gl(sdl_surface, &gl_texture); - - w = sdl_surface->w; - h = sdl_surface->h; -} - -SurfaceOpenGL::~SurfaceOpenGL() -{ - glDeleteTextures(1, &gl_texture); -} - -void -SurfaceOpenGL::create_gl(SDL_Surface * surf, GLuint * tex) -{ - Uint32 saved_flags; - Uint8 saved_alpha; - int w, h; - SDL_Surface *conv; - - w = power_of_two(surf->w); - h = power_of_two(surf->h), - -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - conv = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, surf->format->BitsPerPixel, - 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff); -#else - conv = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, surf->format->BitsPerPixel, - 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000); -#endif - - /* Save the alpha blending attributes */ - saved_flags = surf->flags&(SDL_SRCALPHA|SDL_RLEACCELOK); - saved_alpha = surf->format->alpha; - if ( (saved_flags & SDL_SRCALPHA) - == SDL_SRCALPHA ) - { - SDL_SetAlpha(surf, 0, 0); - } - - SDL_BlitSurface(surf, 0, conv, 0); - - /* Restore the alpha blending attributes */ - if ( (saved_flags & SDL_SRCALPHA) - == SDL_SRCALPHA ) - { - SDL_SetAlpha(surf, saved_flags, saved_alpha); - } - - // We check all the pixels of the surface to figure out which - // internal format OpenGL should use for storing it, ie. if no alpha - // is present store in RGB instead of RGBA, this saves a few bytes - // of memory, but much more importantly it makes the game look - // *much* better in 16bit color mode - int internal_format = GL_RGB10_A2; - bool has_alpha = false; - - unsigned char* buf = static_cast(conv->pixels); - for (int y = 0; y < surf->h; ++y) - for (int x = 0; x < surf->w; ++x) - { - if (buf[(conv->pitch*y + x*4) + 3] != 255) - { - has_alpha = true; - break; - } - } - - if (!has_alpha) - { - internal_format = GL_RGB; - } - - glGenTextures(1, &*tex); - glBindTexture(GL_TEXTURE_2D , *tex); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glPixelStorei(GL_UNPACK_ROW_LENGTH, conv->pitch / conv->format->BytesPerPixel); - glTexImage2D(GL_TEXTURE_2D, 0, internal_format, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, conv->pixels); - glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); - - SDL_FreeSurface(conv); -} - -int -SurfaceOpenGL::draw(float x, float y, Uint8 alpha, Uint32 effect) -{ - float pw = power_of_two(w); - float ph = power_of_two(h); - - if(effect & SEMI_TRANSPARENT) - alpha = 128; - - glEnable(GL_TEXTURE_2D); - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - glColor4ub(alpha, alpha, alpha, alpha); - - glBindTexture(GL_TEXTURE_2D, gl_texture); - - glBegin(GL_QUADS); - - if(effect & VERTICAL_FLIP) - { - glTexCoord2f(0, 0); - glVertex2f(x, (float)h+y); - - glTexCoord2f((float)w / pw, 0); - glVertex2f((float)w+x, (float)h+y); - - glTexCoord2f((float)w / pw, (float)h / ph); - glVertex2f((float)w+x, y); - - glTexCoord2f(0, (float)h / ph); - glVertex2f(x, y); - } - else - { - glTexCoord2f(0, 0); - glVertex2f(x, y); - - glTexCoord2f((float)w / pw, 0); - glVertex2f((float)w+x, y); - - glTexCoord2f((float)w / pw, (float)h / ph); - glVertex2f((float)w+x, (float)h+y); - - glTexCoord2f(0, (float)h / ph); - glVertex2f(x, (float)h+y); - } - glEnd(); - - glDisable(GL_TEXTURE_2D); - glDisable(GL_BLEND); - - return 0; -} - -int -SurfaceOpenGL::draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect) -{ - float pw = power_of_two(int(this->w)); - float ph = power_of_two(int(this->h)); - - if(effect & SEMI_TRANSPARENT) - alpha = 128; - - glBindTexture(GL_TEXTURE_2D, gl_texture); - - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - glColor4ub(alpha, alpha, alpha, alpha); - - glEnable(GL_TEXTURE_2D); - - - glBegin(GL_QUADS); - - if(effect & VERTICAL_FLIP) - { - glTexCoord2f(sx / pw, sy / ph); - glVertex2f(x, y); - - glTexCoord2f((float)(sx + w) / pw, sy / ph); - glVertex2f(w+x, y); - - glTexCoord2f((sx+w) / pw, (sy+h) / ph); - glVertex2f(w +x, h+y); - - glTexCoord2f(sx / pw, (float)(sy+h) / ph); - glVertex2f(x, h+y); - } - else - { - glTexCoord2f(sx / pw, (float)(sy+h) / ph); - glVertex2f(x, h+y); - - glTexCoord2f((sx+w) / pw, (sy+h) / ph); - glVertex2f(w +x, h+y); - - glTexCoord2f((float)(sx + w) / pw, sy / ph); - glVertex2f(w+x, y); - - glTexCoord2f(sx / pw, sy / ph); - glVertex2f(x, y); - } - - glEnd(); - - glDisable(GL_TEXTURE_2D); - glDisable(GL_BLEND); - - return 0; -} - -#if 0 -int -SurfaceOpenGL::draw_stretched(float x, float y, int sw, int sh, Uint8 alpha) -{ - float pw = power_of_two(int(this->w)); - float ph = power_of_two(int(this->h)); - - glBindTexture(GL_TEXTURE_2D, gl_texture); - - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - glColor4ub(alpha, alpha, alpha, alpha); - - glEnable(GL_TEXTURE_2D); - - - glBegin(GL_QUADS); - glTexCoord2f(0, 0); - glVertex2f(x, y); - glTexCoord2f((float)w / pw, 0); - glVertex2f(sw+x, y); - glTexCoord2f((float)w / pw, (float)h / ph); glVertex2f((float)sw+x, (float)sh+y); - glVertex2f(sw +x, sh+y); - glTexCoord2f(0, (float)h / ph); - glVertex2f(x, sh+y); - glEnd(); - - glDisable(GL_TEXTURE_2D); - glDisable(GL_BLEND); - - return 0; -} -#endif - -#endif - -SurfaceSDL::SurfaceSDL(SDL_Surface* surf, int use_alpha) -{ - sdl_surface = sdl_surface_from_sdl_surface(surf, use_alpha); - w = sdl_surface->w; - h = sdl_surface->h; -} - -SurfaceSDL::SurfaceSDL(const std::string& file, int use_alpha) -{ - sdl_surface = sdl_surface_from_file(file, use_alpha); - w = sdl_surface->w; - h = sdl_surface->h; -} - -SurfaceSDL::SurfaceSDL(const std::string& file, int x, int y, int w, int h, int use_alpha) -{ - sdl_surface = sdl_surface_part_from_file(file, x, y, w, h, use_alpha); - w = sdl_surface->w; - h = sdl_surface->h; -} - -SurfaceSDL::SurfaceSDL(Color top_gradient, Color bottom_gradient, int w, int h) -{ - sdl_surface = sdl_surface_from_gradient(top_gradient, bottom_gradient, w, h); - w = sdl_surface->w; - h = sdl_surface->h; -} - -int -SurfaceSDL::draw(float x, float y, Uint8 alpha, Uint32 effect) -{ - SDL_Rect dest; - - dest.x = (int)x; - dest.y = (int)y; - dest.w = w; - dest.h = h; - - if(effect & SEMI_TRANSPARENT) - alpha = 128; - - if(effect & VERTICAL_FLIP) // FIXME: feel free to replace this hack - { - for(float sy = 0; sy < h; sy++) - if(draw_part(0, sy, x, y+(h-sy), w, 1, alpha, NONE_EFFECT) == -2) - return -2; - return 0; - } - - if(alpha != 255) - { - /* Create a Surface, make it using colorkey, blit surface into temp, apply alpha - to temp sur, blit the temp into the screen */ - /* Note: this has to be done, since SDL doesn't allow to set alpha to surfaces that - already have an alpha mask yet... */ - - SDL_Surface* sdl_surface_copy = SDL_CreateRGBSurface (sdl_surface->flags, - sdl_surface->w, sdl_surface->h, sdl_surface->format->BitsPerPixel, - sdl_surface->format->Rmask, sdl_surface->format->Gmask, - sdl_surface->format->Bmask, - 0); - int colorkey = SDL_MapRGB(sdl_surface_copy->format, 255, 0, 255); - SDL_FillRect(sdl_surface_copy, NULL, colorkey); - SDL_SetColorKey(sdl_surface_copy, SDL_SRCCOLORKEY, colorkey); - - - SDL_BlitSurface(sdl_surface, NULL, sdl_surface_copy, NULL); - SDL_SetAlpha(sdl_surface_copy ,SDL_SRCALPHA,alpha); - - int ret = SDL_BlitSurface(sdl_surface_copy, NULL, screen, &dest); - - SDL_FreeSurface (sdl_surface_copy); - return ret; - } - - int ret = SDL_BlitSurface(sdl_surface, NULL, screen, &dest); - - return ret; -} - -int -SurfaceSDL::draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect) -{ - SDL_Rect src, dest; - - src.x = (int)sx; - src.y = (int)sy; - src.w = (int)w; - src.h = (int)h; - - dest.x = (int)x; - dest.y = (int)y; - dest.w = (int)w; - dest.h = (int)h; - - if(effect & SEMI_TRANSPARENT) - alpha = 128; - - if(effect & VERTICAL_FLIP) // FIXME: feel free to replace this hack - { - for(float sy_ = sy; sy_ < h; sy_++) - if(draw_part(sx, sy_, x, y+(h-sy_), w, 1, alpha, NONE_EFFECT) == -2) - return -2; - return 0; - } - - if(alpha != 255) - { - /* Create a Surface, make it using colorkey, blit surface into temp, apply alpha - to temp sur, blit the temp into the screen */ - /* Note: this has to be done, since SDL doesn't allow to set alpha to surfaces that - already have an alpha mask yet... */ - - SDL_Surface* sdl_surface_copy = SDL_CreateRGBSurface (sdl_surface->flags, - sdl_surface->w, sdl_surface->h, sdl_surface->format->BitsPerPixel, - sdl_surface->format->Rmask, sdl_surface->format->Gmask, - sdl_surface->format->Bmask, - 0); - int colorkey = SDL_MapRGB(sdl_surface_copy->format, 255, 0, 255); - SDL_FillRect(sdl_surface_copy, NULL, colorkey); - SDL_SetColorKey(sdl_surface_copy, SDL_SRCCOLORKEY, colorkey); - - - SDL_BlitSurface(sdl_surface, NULL, sdl_surface_copy, NULL); - SDL_SetAlpha(sdl_surface_copy ,SDL_SRCALPHA,alpha); - - int ret = SDL_BlitSurface(sdl_surface_copy, NULL, screen, &dest); - - SDL_FreeSurface (sdl_surface_copy); - return ret; - } - - int ret = SDL_BlitSurface(sdl_surface, &src, screen, &dest); - - return ret; -} - -#if 0 -int -SurfaceSDL::draw_stretched(float x, float y, int sw, int sh, Uint8 alpha, bool update) -{ - SDL_Rect dest; - - dest.x = (int)x; - dest.y = (int)y; - dest.w = (int)sw; - dest.h = (int)sh; - - if(alpha != 255) - SDL_SetAlpha(sdl_surface ,SDL_SRCALPHA,alpha); - - - SDL_Surface* sdl_surface_copy = SDL_CreateRGBSurface (sdl_surface->flags, - sw, sh, sdl_surface->format->BitsPerPixel, - sdl_surface->format->Rmask, sdl_surface->format->Gmask, - sdl_surface->format->Bmask, - 0); - - SDL_BlitSurface(sdl_surface, NULL, sdl_surface_copy, NULL); - SDL_SoftStretch(sdl_surface_copy, NULL, sdl_surface_copy, &dest); - - int ret = SDL_BlitSurface(sdl_surface_copy,NULL,screen,&dest); - SDL_FreeSurface(sdl_surface_copy); - - if (update == UPDATE) - update_rect(screen, dest.x, dest.y, dest.w, dest.h); - - return ret; -} -#endif - -SurfaceSDL::~SurfaceSDL() -{} - -/* EOF */ diff --git a/src/screen/texture.h b/src/screen/texture.h deleted file mode 100644 index 79899d94d..000000000 --- a/src/screen/texture.h +++ /dev/null @@ -1,180 +0,0 @@ -// $Id$ -// -// SuperTux -// Copyright (C) 2004 Tobias Glaesser -// -// 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 SUPERTUX_TEXTURE_H -#define SUPERTUX_TEXTURE_H - -#include -#include - -#ifndef NOOPENGL -#include "SDL_opengl.h" -#endif - -#include "SDL.h" - -#include "screen.h" -#include "vector.h" - -SDL_Surface* sdl_surface_from_sdl_surface(SDL_Surface* sdl_surf, int use_alpha); -SDL_Surface* sdl_surface_from_nothing(); - -class SurfaceImpl; -class SurfaceSDL; -class SurfaceOpenGL; -class DrawingContext; - -/// bitset for drawing effects -enum { - /** Don't apply anything */ - NONE_EFFECT = 0x0000, - /** Draw the Surface upside down */ - VERTICAL_FLIP = 0x0001, - /** Draw the Surface with alpha equal to 128 */ - SEMI_TRANSPARENT = 0x0002 - }; - -/** This class holds all the data necessary to construct a surface */ -class SurfaceData -{ -public: - enum ConstructorType { LOAD, LOAD_PART, SURFACE, GRADIENT }; - ConstructorType type; - SDL_Surface* surface; - std::string file; - int use_alpha; - int x; - int y; - int w; - int h; - Color top_gradient; - Color bottom_gradient; - - SurfaceData(SDL_Surface* surf, int use_alpha_); - SurfaceData(const std::string& file_, int use_alpha_); - SurfaceData(const std::string& file_, int x_, int y_, int w_, int h_, int use_alpha_); - SurfaceData(Color top_gradient_, Color bottom_gradient_, int w_, int h_); - ~SurfaceData(); - - SurfaceSDL* create_SurfaceSDL(); - SurfaceOpenGL* create_SurfaceOpenGL(); - SurfaceImpl* create(); -}; - -/** Container class that holds a surface, necessary so that we can - switch Surface implementations (OpenGL, SDL) on the fly */ -class Surface -{ -public: - SurfaceData data; - SurfaceImpl* impl; - int w; - int h; - - typedef std::list Surfaces; - static Surfaces surfaces; -public: - static void reload_all(); - static void debug_check(); - - Surface(SDL_Surface* surf, int use_alpha); - Surface(const std::string& file, int use_alpha); - Surface(const std::string& file, int x, int y, int w, int h, int use_alpha); - Surface(Color top_gradient, Color bottom_gradient, int w_, int h_); - ~Surface(); - - /** Reload the surface, which is necesarry in case of a mode swich */ - void reload(); - - void resize(int widht, int height); -}; - -/** Surface implementation, all implementation have to inherit from - this class */ -class SurfaceImpl -{ -protected: - SDL_Surface* sdl_surface; - -public: - int w; - int h; - -public: - SurfaceImpl(); - virtual ~SurfaceImpl(); - - /** Return 0 on success, -2 if surface needs to be reloaded */ - virtual int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0; - virtual int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0; -#if 0 - virtual int draw_stretched(float x, float y, int w, int h, Uint8 alpha, bool update) = 0; -#endif - int resize(int w_, int h_); - - SDL_Surface* get_sdl_surface() const; // @evil@ try to avoid this function -}; - -class SurfaceSDL : public SurfaceImpl -{ -public: - SurfaceSDL(SDL_Surface* surf, int use_alpha); - SurfaceSDL(const std::string& file, int use_alpha); - SurfaceSDL(const std::string& file, int x, int y, int w, int h, int use_alpha); - SurfaceSDL(Color top_gradient, Color bottom_gradient, int w, int h); - virtual ~SurfaceSDL(); - - int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT); - int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT); -#if 0 - int draw_stretched(float x, float y, int w, int h, Uint8 alpha); -#endif -}; - -#ifndef NOOPENGL -class SurfaceOpenGL : public SurfaceImpl -{ -public: - GLuint gl_texture; - -public: - SurfaceOpenGL(SDL_Surface* surf, int use_alpha); - SurfaceOpenGL(const std::string& file, int use_alpha); - SurfaceOpenGL(const std::string& file, int x, int y, int w, int h, int use_alpha); - SurfaceOpenGL(Color top_gradient, Color bottom_gradient, int w, int h); - - virtual ~SurfaceOpenGL(); - - int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT); - int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT); -#if 0 - int draw_stretched(float x, float y, int w, int h, Uint8 alpha); -#endif - -private: - void create_gl(SDL_Surface * surf, GLuint * tex); -}; -#endif - -#endif /*SUPERTUX_TEXTURE_H*/ - -/* Local Variables: */ -/* mode: c++ */ -/* End: */